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1 
/*
 1 
/*
2 
 * Copyright (C) 2006 Jakub Vana
 2 
 * Copyright (C) 2006 Jakub Vana
3 
 * Copyright (C) 2006 Ondrej Palkovsky
 3 
 * Copyright (C) 2006 Ondrej Palkovsky
4 
 * All rights reserved.
 4 
 * All rights reserved.
5 
 *
 5 
 *
6 
 * Redistribution and use in source and binary forms, with or without
 6 
 * Redistribution and use in source and binary forms, with or without
7 
 * modification, are permitted provided that the following conditions
 7 
 * modification, are permitted provided that the following conditions
8 
 * are met:
 8 
 * are met:
9 
 *
 9 
 *
10 
 * - Redistributions of source code must retain the above copyright
 10 
 * - Redistributions of source code must retain the above copyright
11 
 *   notice, this list of conditions and the following disclaimer.
 11 
 *   notice, this list of conditions and the following disclaimer.
12 
 * - Redistributions in binary form must reproduce the above copyright
 12 
 * - Redistributions in binary form must reproduce the above copyright
13 
 *   notice, this list of conditions and the following disclaimer in the
 13 
 *   notice, this list of conditions and the following disclaimer in the
14 
 *   documentation and/or other materials provided with the distribution.
 14 
 *   documentation and/or other materials provided with the distribution.
15 
 * - The name of the author may not be used to endorse or promote products
 15 
 * - The name of the author may not be used to endorse or promote products
16 
 *   derived from this software without specific prior written permission.
 16 
 *   derived from this software without specific prior written permission.
17 
 *
 17 
 *
18 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 18 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 19 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 20 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 21 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 22 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 23 
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 24 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 25 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 26 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 27 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 
 */
 28 
 */
29 
 
 29 
 
30 
/** @defgroup fbs Framebuffers
 30 
/** @defgroup fbs Framebuffers
31 
 * @brief   HelenOS framebuffers.
 31 
 * @brief   HelenOS framebuffers.
32 
 * @{
 32 
 * @{
33 
 * @}
 33 
 * @}
34 
 */
 34 
 */
35 
/** @defgroup fb Framebuffer
 35 
/** @defgroup fb Framebuffer
36 
 * @brief   HelenOS framebuffer.
 36 
 * @brief   HelenOS framebuffer.
37 
 * @ingroup fbs
 37 
 * @ingroup fbs
38 
 * @{
 38 
 * @{
39 
 */
 39 
 */
40 
/** @file
 40 
/** @file
41 
 */
 41 
 */
42 
 
 42 
 
43 
 
 43 
 
44 
#include <stdlib.h>
 44 
#include <stdlib.h>
45 
#include <unistd.h>
 45 
#include <unistd.h>
46 
#include <string.h>
 46 
#include <string.h>
47 
#include <ddi.h>
 47 
#include <ddi.h>
48 
#include <sysinfo.h>
 48 
#include <sysinfo.h>
49 
#include <align.h>
 49 
#include <align.h>
50 
#include <as.h>
 50 
#include <as.h>
51 
#include <ipc/fb.h>
 51 
#include <ipc/fb.h>
52 
#include <ipc/ipc.h>
 52 
#include <ipc/ipc.h>
53 
#include <ipc/ns.h>
 53 
#include <ipc/ns.h>
54 
#include <ipc/services.h>
 54 
#include <ipc/services.h>
55 
#include <kernel/errno.h>
 55 
#include <kernel/errno.h>
56 
#include <async.h>
 56 
#include <async.h>
57 
 
 57 
 
58 
#include "font-8x16.h"
 58 
#include "font-8x16.h"
59 
#include "fb.h"
 59 
#include "fb.h"
60 
#include "main.h"
 60 
#include "main.h"
61 
#include "../console/screenbuffer.h"
 61 
#include "../console/screenbuffer.h"
62 
#include "ppm.h"
 62 
#include "ppm.h"
63 
 
 63 
 
64 
#include "pointer.xbm"
 64 
#include "pointer.xbm"
65 
#include "pointer_mask.xbm"
 65 
#include "pointer_mask.xbm"
66 
 
 66 
 
67 
#define DEFAULT_BGCOLOR                0xf0f0f0
 67 
#define DEFAULT_BGCOLOR                0xf0f0f0
68 
#define DEFAULT_FGCOLOR                0x0
 68 
#define DEFAULT_FGCOLOR                0x0
69 
 
 69 
 
70 
/***************************************************************/
 70 
/***************************************************************/
71 
/* Pixel specific fuctions */
 71 
/* Pixel specific fuctions */
72 
 
 72 
 
73 
typedef void (*conv2scr_fn_t)(void *, int);
 73 
typedef void (*conv2scr_fn_t)(void *, int);
74 
typedef int (*conv2rgb_fn_t)(void *);
 74 
typedef int (*conv2rgb_fn_t)(void *);
75 
 
 75 
 
76 
struct {
 76 
struct {
77 
    __u8 *fbaddress ;
 77 
    __u8 *fbaddress ;
78 
 
 78 
 
79 
    unsigned int xres ;
 79 
    unsigned int xres ;
80 
    unsigned int yres ;
 80 
    unsigned int yres ;
81 
    unsigned int scanline ;
 81 
    unsigned int scanline ;
82 
    unsigned int pixelbytes ;
 82 
    unsigned int pixelbytes ;
83 
 
 83 
 
84 
    conv2scr_fn_t rgb2scr;
 84 
    conv2scr_fn_t rgb2scr;
85 
    conv2rgb_fn_t scr2rgb;
 85 
    conv2rgb_fn_t scr2rgb;
86 
} screen;
 86 
} screen;
87 
 
 87 
 
88 
typedef struct {
 88 
typedef struct {
89 
    int initialized;
 89 
    int initialized;
90 
    unsigned int x, y;
 90 
    unsigned int x, y;
91 
    unsigned int width, height;
 91 
    unsigned int width, height;
92 
 
 92 
 
93 
    /* Text support in window */
 93 
    /* Text support in window */
94 
    unsigned int rows, cols;
 94 
    unsigned int rows, cols;
95 
    /* Style for text printing */
 95 
    /* Style for text printing */
96 
    style_t style;
 96 
    style_t style;
97 
    /* Auto-cursor position */
 97 
    /* Auto-cursor position */
98 
    int cursor_active, cur_col, cur_row;
 98 
    int cursor_active, cur_col, cur_row;
99 
    int cursor_shown;
 99 
    int cursor_shown;
100 
    /* Double buffering */
 100 
    /* Double buffering */
101 
    __u8 *dbdata;
 101 
    __u8 *dbdata;
102 
    unsigned int dboffset;
 102 
    unsigned int dboffset;
103 
    unsigned int paused;
 103 
    unsigned int paused;
104 
} viewport_t;
 104 
} viewport_t;
105 
 
 105 
 
106 
#define MAX_ANIM_LEN    8
 106 
#define MAX_ANIM_LEN    8
107 
#define MAX_ANIMATIONS  4
 107 
#define MAX_ANIMATIONS  4
108 
typedef struct {
 108 
typedef struct {
109 
    int initialized;
 109 
    int initialized;
110 
    int enabled;
 110 
    int enabled;
111 
    unsigned int vp;
 111 
    unsigned int vp;
112 
 
 112 
 
113 
    unsigned int pos;
 113 
    unsigned int pos;
114 
    unsigned int animlen;
 114 
    unsigned int animlen;
115 
    unsigned int pixmaps[MAX_ANIM_LEN];
 115 
    unsigned int pixmaps[MAX_ANIM_LEN];
116 
} animation_t;
 116 
} animation_t;
117 
static animation_t animations[MAX_ANIMATIONS];
 117 
static animation_t animations[MAX_ANIMATIONS];
118 
static int anims_enabled;
 118 
static int anims_enabled;
119 
 
 119 
 
120 
/** Maximum number of saved pixmaps
 120 
/** Maximum number of saved pixmaps
121 
 * Pixmap is a saved rectangle
 121 
 * Pixmap is a saved rectangle
122 
 */
 122 
 */
123 
#define MAX_PIXMAPS        256
 123 
#define MAX_PIXMAPS        256
124 
typedef struct {
 124 
typedef struct {
125 
    unsigned int width;
 125 
    unsigned int width;
126 
    unsigned int height;
 126 
    unsigned int height;
127 
    __u8 *data;
 127 
    __u8 *data;
128 
} pixmap_t;
 128 
} pixmap_t;
129 
static pixmap_t pixmaps[MAX_PIXMAPS];
 129 
static pixmap_t pixmaps[MAX_PIXMAPS];
130 
 
 130 
 
131 
/* Viewport is a rectangular area on the screen */
 131 
/* Viewport is a rectangular area on the screen */
132 
#define MAX_VIEWPORTS 128
 132 
#define MAX_VIEWPORTS 128
133 
static viewport_t viewports[128];
 133 
static viewport_t viewports[128];
134 
 
 134 
 
135 
/* Allow only 1 connection */
 135 
/* Allow only 1 connection */
136 
static int client_connected = 0;
 136 
static int client_connected = 0;
137 
 
 137 
 
138 
#define RED(x, bits)    ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
 138 
#define RED(x, bits)    ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
139 
#define GREEN(x, bits)  ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
 139 
#define GREEN(x, bits)  ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
140 
#define BLUE(x, bits)   ((x >> (8 - bits)) & ((1 << bits) - 1))
 140 
#define BLUE(x, bits)   ((x >> (8 - bits)) & ((1 << bits) - 1))
141 
 
 141 
 
142 
#define COL_WIDTH   8
 142 
#define COL_WIDTH   8
143 
#define ROW_BYTES   (screen.scanline * FONT_SCANLINES)
 143 
#define ROW_BYTES   (screen.scanline * FONT_SCANLINES)
144 
 
 144 
 
145 
#define POINTPOS(x, y)  ((y) * screen.scanline + (x) * screen.pixelbytes)
 145 
#define POINTPOS(x, y)  ((y) * screen.scanline + (x) * screen.pixelbytes)
146 
 
 146 
 
147 
/* Conversion routines between different color representations */
 147 
/* Conversion routines between different color representations */
148 
static void rgb_4byte(void *dst, int rgb)
 148 
static void rgb_4byte(void *dst, int rgb)
149 
{
 149 
{
150 
    *(int *)dst = rgb;
 150 
    *(int *)dst = rgb;
151 
}
 151 
}
152 
 
 152 
 
153 
static int byte4_rgb(void *src)
 153 
static int byte4_rgb(void *src)
154 
{
 154 
{
155 
    return (*(int *)src) & 0xffffff;
 155 
    return (*(int *)src) & 0xffffff;
156 
}
 156 
}
157 
 
 157 
 
158 
static void rgb_3byte(void *dst, int rgb)
 158 
static void rgb_3byte(void *dst, int rgb)
159 
{
 159 
{
160 
    __u8 *scr = dst;
 160 
    __u8 *scr = dst;
161 
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
 161 
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
162 
    scr[0] = RED(rgb, 8);
 162 
    scr[0] = RED(rgb, 8);
163 
    scr[1] = GREEN(rgb, 8);
 163 
    scr[1] = GREEN(rgb, 8);
164 
    scr[2] = BLUE(rgb, 8);
 164 
    scr[2] = BLUE(rgb, 8);
165 
#else
 165 
#else
166 
    scr[2] = RED(rgb, 8);
 166 
    scr[2] = RED(rgb, 8);
167 
    scr[1] = GREEN(rgb, 8);
 167 
    scr[1] = GREEN(rgb, 8);
168 
    scr[0] = BLUE(rgb, 8);
 168 
    scr[0] = BLUE(rgb, 8);
169 
#endif
 169 
#endif
170 
 
 170 
 
171 
 
 171 
 
172 
}
 172 
}
173 
 
 173 
 
174 
static int byte3_rgb(void *src)
 174 
static int byte3_rgb(void *src)
175 
{
 175 
{
176 
    __u8 *scr = src;
 176 
    __u8 *scr = src;
177 
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
 177 
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
178 
    return scr[0] << 16 | scr[1] << 8 | scr[2];
 178 
    return scr[0] << 16 | scr[1] << 8 | scr[2];
179 
#else
 179 
#else
180 
    return scr[2] << 16 | scr[1] << 8 | scr[0];
 180 
    return scr[2] << 16 | scr[1] << 8 | scr[0];
181 
#endif 
181 
#endif 
182 
}
 182 
}
183 
 
 183 
 
184 
/**  16-bit depth (5:6:5) */
 184 
/**  16-bit depth (5:6:5) */
185 
static void rgb_2byte(void *dst, int rgb)
 185 
static void rgb_2byte(void *dst, int rgb)
186 
{
 186 
{
187 
    /* 5-bit, 6-bits, 5-bits */
 187 
    /* 5-bit, 6-bits, 5-bits */
188 
    *((__u16 *)(dst)) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | BLUE(rgb, 5);
 188 
    *((__u16 *)(dst)) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | BLUE(rgb, 5);
189 
}
 189 
}
190 
 
 190 
 
191 
/** 16-bit depth (5:6:5) */
 191 
/** 16-bit depth (5:6:5) */
192 
static int byte2_rgb(void *src)
 192 
static int byte2_rgb(void *src)
193 
{
 193 
{
194 
    int color = *(__u16 *)(src);
 194 
    int color = *(__u16 *)(src);
195 
    return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3);
 195 
    return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3);
196 
}
 196 
}
197 
 
 197 
 
198 
/** Put pixel - 8-bit depth (3:2:3) */
 198 
/** Put pixel - 8-bit depth (3:2:3) */
199 
static void rgb_1byte(void *dst, int rgb)
 199 
static void rgb_1byte(void *dst, int rgb)
200 
{
 200 
{
201 
    *(__u8 *)dst = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3);
 201 
    *(__u8 *)dst = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3);
202 
}
 202 
}
203 
 
 203 
 
204 
/** Return pixel color - 8-bit depth (3:2:3) */
 204 
/** Return pixel color - 8-bit depth (3:2:3) */
205 
static int byte1_rgb(void *src)
 205 
static int byte1_rgb(void *src)
206 
{
 206 
{
207 
    int color = *(__u8 *)src;
 207 
    int color = *(__u8 *)src;
208 
    return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
 208 
    return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
209 
}
 209 
}
210 
 
 210 
 
211 
/** Put pixel into viewport
 211 
/** Put pixel into viewport
212 
 *
 212 
 *
213 
 * @param vport Viewport identification
 213 
 * @param vport Viewport identification
214 
 * @param x X coord relative to viewport
 214 
 * @param x X coord relative to viewport
215 
 * @param y Y coord relative to viewport
 215 
 * @param y Y coord relative to viewport
216 
 * @param color RGB color
 216 
 * @param color RGB color
217 
 */
 217 
 */
218 
static void putpixel(viewport_t *vport, unsigned int x, unsigned int y, int color)
 218 
static void putpixel(viewport_t *vport, unsigned int x, unsigned int y, int color)
219 
{
 219 
{
220 
    int dx = vport->x + x;
 220 
    int dx = vport->x + x;
221 
    int dy = vport->y + y;
 221 
    int dy = vport->y + y;
222 
 
 222 
 
223 
    if (! (vport->paused && vport->dbdata))
 223 
    if (! (vport->paused && vport->dbdata))
224 
        (*screen.rgb2scr)(&screen.fbaddress[POINTPOS(dx,dy)],color);
 224 
        (*screen.rgb2scr)(&screen.fbaddress[POINTPOS(dx,dy)],color);
225 
 
 225 
 
226 
    if (vport->dbdata) {
 226 
    if (vport->dbdata) {
227 
        int dline = (y + vport->dboffset) % vport->height;
 227 
        int dline = (y + vport->dboffset) % vport->height;
228 
        int doffset = screen.pixelbytes * (dline * vport->width + x);
 228 
        int doffset = screen.pixelbytes * (dline * vport->width + x);
229 
        (*screen.rgb2scr)(&vport->dbdata[doffset],color);
 229 
        (*screen.rgb2scr)(&vport->dbdata[doffset],color);
230 
    }
 230 
    }
231 
}
 231 
}
232 
 
 232 
 
233 
/** Get pixel from viewport */
 233 
/** Get pixel from viewport */
234 
static int getpixel(viewport_t *vport, unsigned int x, unsigned int y)
 234 
static int getpixel(viewport_t *vport, unsigned int x, unsigned int y)
235 
{
 235 
{
236 
    int dx = vport->x + x;
 236 
    int dx = vport->x + x;
237 
    int dy = vport->y + y;
 237 
    int dy = vport->y + y;
238 
 
 238 
 
239 
    return (*screen.scr2rgb)(&screen.fbaddress[POINTPOS(dx,dy)]);
 239 
    return (*screen.scr2rgb)(&screen.fbaddress[POINTPOS(dx,dy)]);
240 
}
 240 
}
241 
 
 241 
 
242 
static inline void putpixel_mem(char *mem, unsigned int x, unsigned int y,
 242 
static inline void putpixel_mem(char *mem, unsigned int x, unsigned int y,
243 
                int color)
 243 
                int color)
244 
{
 244 
{
245 
    (*screen.rgb2scr)(&mem[POINTPOS(x,y)],color);
 245 
    (*screen.rgb2scr)(&mem[POINTPOS(x,y)],color);
246 
}
 246 
}
247 
 
 247 
 
248 
static void draw_rectangle(viewport_t *vport, unsigned int sx, unsigned int sy,
 248 
static void draw_rectangle(viewport_t *vport, unsigned int sx, unsigned int sy,
249 
               unsigned int width, unsigned int height,
 249 
               unsigned int width, unsigned int height,
250 
               int color)
 250 
               int color)
251 
{
 251 
{
252 
    unsigned int x, y;
 252 
    unsigned int x, y;
253 
    static void *tmpline;
 253 
    static void *tmpline;
254 
 
 254 
 
255 
    if (!tmpline)
 255 
    if (!tmpline)
256 
        tmpline = malloc(screen.scanline*screen.pixelbytes);
 256 
        tmpline = malloc(screen.scanline*screen.pixelbytes);
257 
 
 257 
 
258 
    /* Clear first line */
 258 
    /* Clear first line */
259 
    for (x = 0; x < width; x++)
 259 
    for (x = 0; x < width; x++)
260 
        putpixel_mem(tmpline, x, 0, color);
 260 
        putpixel_mem(tmpline, x, 0, color);
261 
 
 261 
 
262 
    if (!vport->paused) {
 262 
    if (!vport->paused) {
263 
        /* Recompute to screen coords */
 263 
        /* Recompute to screen coords */
264 
        sx += vport->x;
 264 
        sx += vport->x;
265 
        sy += vport->y;
 265 
        sy += vport->y;
266 
        /* Copy the rest */
 266 
        /* Copy the rest */
267 
        for (y = sy;y < sy+height; y++)
 267 
        for (y = sy;y < sy+height; y++)
268 
            memcpy(&screen.fbaddress[POINTPOS(sx,y)], tmpline,
 268 
            memcpy(&screen.fbaddress[POINTPOS(sx,y)], tmpline,
269 
                   screen.pixelbytes * width);
 269 
                   screen.pixelbytes * width);
270 
    }
 270 
    }
271 
    if (vport->dbdata) {
 271 
    if (vport->dbdata) {
272 
        for (y=sy;y < sy+height; y++) {
 272 
        for (y=sy;y < sy+height; y++) {
273 
            int rline = (y + vport->dboffset) % vport->height;
 273 
            int rline = (y + vport->dboffset) % vport->height;
274 
            int rpos = (rline * vport->width + sx) * screen.pixelbytes;
 274 
            int rpos = (rline * vport->width + sx) * screen.pixelbytes;
275 
            memcpy(&vport->dbdata[rpos], tmpline, screen.pixelbytes * width);
 275 
            memcpy(&vport->dbdata[rpos], tmpline, screen.pixelbytes * width);
276 
        }
 276 
        }
277 
    }
 277 
    }
278 
 
 278 
 
279 
}
 279 
}
280 
 
 280 
 
281 
/** Fill viewport with background color */
 281 
/** Fill viewport with background color */
282 
static void clear_port(viewport_t *vport)
 282 
static void clear_port(viewport_t *vport)
283 
{
 283 
{
284 
    draw_rectangle(vport, 0, 0, vport->width, vport->height, vport->style.bg_color);
 284 
    draw_rectangle(vport, 0, 0, vport->width, vport->height, vport->style.bg_color);
285 
}
 285 
}
286 
 
 286 
 
287 
/** Scroll unbuffered viewport up/down
 287 
/** Scroll unbuffered viewport up/down
288 
 *
 288 
 *
289 
 * @param vport Viewport to scroll
 289 
 * @param vport Viewport to scroll
290 
 * @param lines Positive number - scroll up, negative - scroll down
 290 
 * @param lines Positive number - scroll up, negative - scroll down
291 
 */
 291 
 */
292 
static void scroll_port_nodb(viewport_t *vport, int lines)
 292 
static void scroll_port_nodb(viewport_t *vport, int lines)
293 
{
 293 
{
294 
    int y;
 294 
    int y;
295 
    int startline;
 - 
 
296 
    int endline;
 - 
 
297 
 
 295 
 
298 
    if (lines > 0) {
 296 
    if (lines > 0) {
299 
        for (y=vport->y; y < vport->y+vport->height - lines; y++)
 297 
        for (y=vport->y; y < vport->y+vport->height - lines; y++)
300 
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
 298 
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
301 
                   &screen.fbaddress[POINTPOS(vport->x,y + lines)],
 299 
                   &screen.fbaddress[POINTPOS(vport->x,y + lines)],
302 
                   screen.pixelbytes * vport->width);
 300 
                   screen.pixelbytes * vport->width);
303 
        draw_rectangle(vport, 0, vport->height - lines,
 301 
        draw_rectangle(vport, 0, vport->height - lines,
304 
                   vport->width, lines, vport->style.bg_color);
 302 
                   vport->width, lines, vport->style.bg_color);
305 
    } else if (lines < 0) {
 303 
    } else if (lines < 0) {
306 
        lines = -lines;
 304 
        lines = -lines;
307 
        for (y=vport->y + vport->height-1; y >= vport->y + lines; y--)
 305 
        for (y=vport->y + vport->height-1; y >= vport->y + lines; y--)
308 
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
 306 
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
309 
                   &screen.fbaddress[POINTPOS(vport->x,y - lines)],
 307 
                   &screen.fbaddress[POINTPOS(vport->x,y - lines)],
310 
                   screen.pixelbytes * vport->width);
 308 
                   screen.pixelbytes * vport->width);
311 
        draw_rectangle(vport, 0, 0, vport->width, lines, vport->style.bg_color);
 309 
        draw_rectangle(vport, 0, 0, vport->width, lines, vport->style.bg_color);
312 
    }
 310 
    }
313 
}
 311 
}
314 
 
 312 
 
315 
/** Refresh given viewport from double buffer */
 313 
/** Refresh given viewport from double buffer */
316 
static void refresh_viewport_db(viewport_t *vport)
 314 
static void refresh_viewport_db(viewport_t *vport)
317 
{
 315 
{
318 
    unsigned int y, srcy, srcoff, dsty, dstx;
 316 
    unsigned int y, srcy, srcoff, dsty, dstx;
319 
 
 317 
 
320 
    for (y = 0; y < vport->height; y++) {
 318 
    for (y = 0; y < vport->height; y++) {
321 
        srcy = (y + vport->dboffset) % vport->height;
 319 
        srcy = (y + vport->dboffset) % vport->height;
322 
        srcoff = (vport->width * srcy) * screen.pixelbytes;
 320 
        srcoff = (vport->width * srcy) * screen.pixelbytes;
323 
 
 321 
 
324 
        dstx = vport->x;
 322 
        dstx = vport->x;
325 
        dsty = vport->y + y;
 323 
        dsty = vport->y + y;
326 
 
 324 
 
327 
        memcpy(&screen.fbaddress[POINTPOS(dstx,dsty)],
 325 
        memcpy(&screen.fbaddress[POINTPOS(dstx,dsty)],
328 
               &vport->dbdata[srcoff],
 326 
               &vport->dbdata[srcoff],
329 
               vport->width*screen.pixelbytes);
 327 
               vport->width*screen.pixelbytes);
330 
    }
 328 
    }
331 
}
 329 
}
332 
 
 330 
 
333 
/** Scroll viewport that has double buffering enabled */
 331 
/** Scroll viewport that has double buffering enabled */
334 
static void scroll_port_db(viewport_t *vport, int lines)
 332 
static void scroll_port_db(viewport_t *vport, int lines)
335 
{
 333 
{
336 
    ++vport->paused;
 334 
    ++vport->paused;
337 
    if (lines > 0) {
 335 
    if (lines > 0) {
338 
        draw_rectangle(vport, 0, 0, vport->width, lines,
 336 
        draw_rectangle(vport, 0, 0, vport->width, lines,
339 
                   vport->style.bg_color);
 337 
                   vport->style.bg_color);
340 
        vport->dboffset += lines;
 338 
        vport->dboffset += lines;
341 
        vport->dboffset %= vport->height;
 339 
        vport->dboffset %= vport->height;
342 
    } else if (lines < 0) {
 340 
    } else if (lines < 0) {
343 
        lines = -lines;
 341 
        lines = -lines;
344 
        draw_rectangle(vport, 0, vport->height-lines,
 342 
        draw_rectangle(vport, 0, vport->height-lines,
345 
                   vport->width, lines,
 343 
                   vport->width, lines,
346 
                   vport->style.bg_color);
 344 
                   vport->style.bg_color);
347 
 
 345 
 
348 
        if (vport->dboffset < lines)
 346 
        if (vport->dboffset < lines)
349 
            vport->dboffset += vport->height;
 347 
            vport->dboffset += vport->height;
350 
        vport->dboffset -= lines;
 348 
        vport->dboffset -= lines;
351 
    }
 349 
    }
352 
   
 350 
   
353 
    --vport->paused;
 351 
    --vport->paused;
354 
   
 352 
   
355 
    refresh_viewport_db(vport);
 353 
    refresh_viewport_db(vport);
356 
}
 354 
}
357 
 
 355 
 
358 
/** Scrolls viewport given number of lines */
 356 
/** Scrolls viewport given number of lines */
359 
static void scroll_port(viewport_t *vport, int lines)
 357 
static void scroll_port(viewport_t *vport, int lines)
360 
{
 358 
{
361 
    if (vport->dbdata)
 359 
    if (vport->dbdata)
362 
        scroll_port_db(vport, lines);
 360 
        scroll_port_db(vport, lines);
363 
    else
 361 
    else
364 
        scroll_port_nodb(vport, lines);
 362 
        scroll_port_nodb(vport, lines);
365 
   
 363 
   
366 
}
 364 
}
367 
 
 365 
 
368 
static void invert_pixel(viewport_t *vport, unsigned int x, unsigned int y)
 366 
static void invert_pixel(viewport_t *vport, unsigned int x, unsigned int y)
369 
{
 367 
{
370 
    putpixel(vport, x, y, ~getpixel(vport, x, y));
 368 
    putpixel(vport, x, y, ~getpixel(vport, x, y));
371 
}
 369 
}
372 
 
 370 
 
373 
 
 371 
 
374 
/***************************************************************/
 372 
/***************************************************************/
375 
/* Character-console functions */
 373 
/* Character-console functions */
376 
 
 374 
 
377 
/** Draw character at given position
 375 
/** Draw character at given position
378 
 *
 376 
 *
379 
 * @param vport Viewport where the character is printed
 377 
 * @param vport Viewport where the character is printed
380 
 * @param sx Coordinates of top-left of the character
 378 
 * @param sx Coordinates of top-left of the character
381 
 * @param sy Coordinates of top-left of the character
 379 
 * @param sy Coordinates of top-left of the character
382 
 * @param style Color of the character
 380 
 * @param style Color of the character
383 
 * @param transparent If false, print background color
 381 
 * @param transparent If false, print background color
384 
 */
 382 
 */
385 
static void draw_glyph(viewport_t *vport,__u8 glyph, unsigned int sx, unsigned int sy,
 383 
static void draw_glyph(viewport_t *vport,__u8 glyph, unsigned int sx, unsigned int sy,
386 
               style_t style, int transparent)
 384 
               style_t style, int transparent)
387 
{
 385 
{
388 
    int i;
 386 
    int i;
389 
    unsigned int y;
 387 
    unsigned int y;
390 
    unsigned int glline;
 388 
    unsigned int glline;
391 
 
 389 
 
392 
    for (y = 0; y < FONT_SCANLINES; y++) {
 390 
    for (y = 0; y < FONT_SCANLINES; y++) {
393 
        glline = fb_font[glyph * FONT_SCANLINES + y];
 391 
        glline = fb_font[glyph * FONT_SCANLINES + y];
394 
        for (i = 0; i < 8; i++) {
 392 
        for (i = 0; i < 8; i++) {
395 
            if (glline & (1 << (7 - i)))
 393 
            if (glline & (1 << (7 - i)))
396 
                putpixel(vport, sx + i, sy + y, style.fg_color);
 394 
                putpixel(vport, sx + i, sy + y, style.fg_color);
397 
            else if (!transparent)
 395 
            else if (!transparent)
398 
                putpixel(vport, sx + i, sy + y, style.bg_color);
 396 
                putpixel(vport, sx + i, sy + y, style.bg_color);
399 
        }
 397 
        }
400 
    }
 398 
    }
401 
}
 399 
}
402 
 
 400 
 
403 
/** Invert character at given position */
 401 
/** Invert character at given position */
404 
static void invert_char(viewport_t *vport,unsigned int row, unsigned int col)
 402 
static void invert_char(viewport_t *vport,unsigned int row, unsigned int col)
405 
{
 403 
{
406 
    unsigned int x;
 404 
    unsigned int x;
407 
    unsigned int y;
 405 
    unsigned int y;
408 
 
 406 
 
409 
    for (x = 0; x < COL_WIDTH; x++)
 407 
    for (x = 0; x < COL_WIDTH; x++)
410 
        for (y = 0; y < FONT_SCANLINES; y++)
 408 
        for (y = 0; y < FONT_SCANLINES; y++)
411 
            invert_pixel(vport, col * COL_WIDTH + x, row * FONT_SCANLINES + y);
 409 
            invert_pixel(vport, col * COL_WIDTH + x, row * FONT_SCANLINES + y);
412 
}
 410 
}
413 
 
 411 
 
414 
/***************************************************************/
 412 
/***************************************************************/
415 
/* Stdout specific functions */
 413 
/* Stdout specific functions */
416 
 
 414 
 
417 
 
 415 
 
418 
/** Create new viewport
 416 
/** Create new viewport
419 
 *
 417 
 *
420 
 * @return New viewport number
 418 
 * @return New viewport number
421 
 */
 419 
 */
422 
static int viewport_create(unsigned int x, unsigned int y,unsigned int width,
 420 
static int viewport_create(unsigned int x, unsigned int y,unsigned int width,
423 
               unsigned int height)
 421 
               unsigned int height)
424 
{
 422 
{
425 
    int i;
 423 
    int i;
426 
 
 424 
 
427 
    for (i=0; i < MAX_VIEWPORTS; i++) {
 425 
    for (i=0; i < MAX_VIEWPORTS; i++) {
428 
        if (!viewports[i].initialized)
 426 
        if (!viewports[i].initialized)
429 
            break;
 427 
            break;
430 
    }
 428 
    }
431 
    if (i == MAX_VIEWPORTS)
 429 
    if (i == MAX_VIEWPORTS)
432 
        return ELIMIT;
 430 
        return ELIMIT;
433 
 
 431 
 
434 
    viewports[i].x = x;
 432 
    viewports[i].x = x;
435 
    viewports[i].y = y;
 433 
    viewports[i].y = y;
436 
    viewports[i].width = width;
 434 
    viewports[i].width = width;
437 
    viewports[i].height = height;
 435 
    viewports[i].height = height;
438 
   
 436 
   
439 
    viewports[i].rows = height / FONT_SCANLINES;
 437 
    viewports[i].rows = height / FONT_SCANLINES;
440 
    viewports[i].cols = width / COL_WIDTH;
 438 
    viewports[i].cols = width / COL_WIDTH;
441 
 
 439 
 
442 
    viewports[i].style.bg_color = DEFAULT_BGCOLOR;
 440 
    viewports[i].style.bg_color = DEFAULT_BGCOLOR;
443 
    viewports[i].style.fg_color = DEFAULT_FGCOLOR;
 441 
    viewports[i].style.fg_color = DEFAULT_FGCOLOR;
444 
   
 442 
   
445 
    viewports[i].cur_col = 0;
 443 
    viewports[i].cur_col = 0;
446 
    viewports[i].cur_row = 0;
 444 
    viewports[i].cur_row = 0;
447 
    viewports[i].cursor_active = 0;
 445 
    viewports[i].cursor_active = 0;
448 
 
 446 
 
449 
    viewports[i].initialized = 1;
 447 
    viewports[i].initialized = 1;
450 
 
 448 
 
451 
    return i;
 449 
    return i;
452 
}
 450 
}
453 
 
 451 
 
454 
 
 452 
 
455 
/** Initialize framebuffer as a chardev output device
 453 
/** Initialize framebuffer as a chardev output device
456 
 *
 454 
 *
457 
 * @param addr Address of theframebuffer
 455 
 * @param addr Address of theframebuffer
458 
 * @param xres Screen width in pixels
 456 
 * @param xres Screen width in pixels
459 
 * @param yres Screen height in pixels
 457 
 * @param yres Screen height in pixels
460 
 * @param bpp  Bits per pixel (8, 16, 24, 32)
 458 
 * @param bpp  Bits per pixel (8, 16, 24, 32)
461 
 * @param scan Bytes per one scanline
 459 
 * @param scan Bytes per one scanline
462 
 *
 460 
 *
463 
 */
 461 
 */
464 
static void screen_init(void *addr, unsigned int xres, unsigned int yres, unsigned int bpp, unsigned int scan)
 462 
static void screen_init(void *addr, unsigned int xres, unsigned int yres, unsigned int bpp, unsigned int scan)
465 
{
 463 
{
466 
    switch (bpp) {
 464 
    switch (bpp) {
467 
        case 8:
 465 
        case 8:
468 
            screen.rgb2scr = rgb_1byte;
 466 
            screen.rgb2scr = rgb_1byte;
469 
            screen.scr2rgb = byte1_rgb;
 467 
            screen.scr2rgb = byte1_rgb;
470 
            screen.pixelbytes = 1;
 468 
            screen.pixelbytes = 1;
471 
            break;
 469 
            break;
472 
        case 16:
 470 
        case 16:
473 
            screen.rgb2scr = rgb_2byte;
 471 
            screen.rgb2scr = rgb_2byte;
474 
            screen.scr2rgb = byte2_rgb;
 472 
            screen.scr2rgb = byte2_rgb;
475 
            screen.pixelbytes = 2;
 473 
            screen.pixelbytes = 2;
476 
            break;
 474 
            break;
477 
        case 24:
 475 
        case 24:
478 
            screen.rgb2scr = rgb_3byte;
 476 
            screen.rgb2scr = rgb_3byte;
479 
            screen.scr2rgb = byte3_rgb;
 477 
            screen.scr2rgb = byte3_rgb;
480 
            screen.pixelbytes = 3;
 478 
            screen.pixelbytes = 3;
481 
            break;
 479 
            break;
482 
        case 32:
 480 
        case 32:
483 
            screen.rgb2scr = rgb_4byte;
 481 
            screen.rgb2scr = rgb_4byte;
484 
            screen.scr2rgb = byte4_rgb;
 482 
            screen.scr2rgb = byte4_rgb;
485 
            screen.pixelbytes = 4;
 483 
            screen.pixelbytes = 4;
486 
            break;
 484 
            break;
487 
    }
 485 
    }
488 
 
 486 
 
489 
       
 487 
       
490 
    screen.fbaddress = (unsigned char *) addr;
 488 
    screen.fbaddress = (unsigned char *) addr;
491 
    screen.xres = xres;
 489 
    screen.xres = xres;
492 
    screen.yres = yres;
 490 
    screen.yres = yres;
493 
    screen.scanline = scan;
 491 
    screen.scanline = scan;
494 
   
 492 
   
495 
    /* Create first viewport */
 493 
    /* Create first viewport */
496 
    viewport_create(0,0,xres,yres);
 494 
    viewport_create(0,0,xres,yres);
497 
}
 495 
}
498 
 
 496 
 
499 
/** Hide cursor if it is shown */
 497 
/** Hide cursor if it is shown */
500 
static void cursor_hide(viewport_t *vport)
 498 
static void cursor_hide(viewport_t *vport)
501 
{
 499 
{
502 
    if (vport->cursor_active && vport->cursor_shown) {
 500 
    if (vport->cursor_active && vport->cursor_shown) {
503 
        invert_char(vport, vport->cur_row, vport->cur_col);
 501 
        invert_char(vport, vport->cur_row, vport->cur_col);
504 
        vport->cursor_shown = 0;
 502 
        vport->cursor_shown = 0;
505 
    }
 503 
    }
506 
}
 504 
}
507 
 
 505 
 
508 
/** Show cursor if cursor showing is enabled */
 506 
/** Show cursor if cursor showing is enabled */
509 
static void cursor_print(viewport_t *vport)
 507 
static void cursor_print(viewport_t *vport)
510 
{
 508 
{
511 
    /* Do not check for cursor_shown */
 509 
    /* Do not check for cursor_shown */
512 
    if (vport->cursor_active) {
 510 
    if (vport->cursor_active) {
513 
        invert_char(vport, vport->cur_row, vport->cur_col);
 511 
        invert_char(vport, vport->cur_row, vport->cur_col);
514 
        vport->cursor_shown = 1;
 512 
        vport->cursor_shown = 1;
515 
    }
 513 
    }
516 
}
 514 
}
517 
 
 515 
 
518 
/** Invert cursor, if it is enabled */
 516 
/** Invert cursor, if it is enabled */
519 
static void cursor_blink(viewport_t *vport)
 517 
static void cursor_blink(viewport_t *vport)
520 
{
 518 
{
521 
    if (vport->cursor_shown)
 519 
    if (vport->cursor_shown)
522 
        cursor_hide(vport);
 520 
        cursor_hide(vport);
523 
    else
 521 
    else
524 
        cursor_print(vport);
 522 
        cursor_print(vport);
525 
}
 523 
}
526 
 
 524 
 
527 
/** Draw character at given position relative to viewport
 525 
/** Draw character at given position relative to viewport
528 
 *
 526 
 *
529 
 * @param vport Viewport identification
 527 
 * @param vport Viewport identification
530 
 * @param c Character to print
 528 
 * @param c Character to print
531 
 * @param row Screen position relative to viewport
 529 
 * @param row Screen position relative to viewport
532 
 * @param col Screen position relative to viewport
 530 
 * @param col Screen position relative to viewport
533 
 * @param transparent If false, print background color with character
 531 
 * @param transparent If false, print background color with character
534 
 */
 532 
 */
535 
static void draw_char(viewport_t *vport, char c, unsigned int row, unsigned int col,
 533 
static void draw_char(viewport_t *vport, char c, unsigned int row, unsigned int col,
536 
              style_t style, int transparent)
 534 
              style_t style, int transparent)
537 
{
 535 
{
538 
    /* Optimize - do not hide cursor if we are going to overwrite it */
 536 
    /* Optimize - do not hide cursor if we are going to overwrite it */
539 
    if (vport->cursor_active && vport->cursor_shown &&
 537 
    if (vport->cursor_active && vport->cursor_shown &&
540 
        (vport->cur_col != col || vport->cur_row != row))
 538 
        (vport->cur_col != col || vport->cur_row != row))
541 
        invert_char(vport, vport->cur_row, vport->cur_col);
 539 
        invert_char(vport, vport->cur_row, vport->cur_col);
542 
   
 540 
   
543 
    draw_glyph(vport, c, col * COL_WIDTH, row * FONT_SCANLINES, style, transparent);
 541 
    draw_glyph(vport, c, col * COL_WIDTH, row * FONT_SCANLINES, style, transparent);
544 
 
 542 
 
545 
    vport->cur_col = col;
 543 
    vport->cur_col = col;
546 
    vport->cur_row = row;
 544 
    vport->cur_row = row;
547 
 
 545 
 
548 
    vport->cur_col++;
 546 
    vport->cur_col++;
549 
    if (vport->cur_col>= vport->cols) {
 547 
    if (vport->cur_col>= vport->cols) {
550 
        vport->cur_col = 0;
 548 
        vport->cur_col = 0;
551 
        vport->cur_row++;
 549 
        vport->cur_row++;
552 
        if (vport->cur_row >= vport->rows)
 550 
        if (vport->cur_row >= vport->rows)
553 
            vport->cur_row--;
 551 
            vport->cur_row--;
554 
    }
 552 
    }
555 
    cursor_print(vport);
 553 
    cursor_print(vport);
556 
}
 554 
}
557 
 
 555 
 
558 
/** Draw text data to viewport
 556 
/** Draw text data to viewport
559 
 *
 557 
 *
560 
 * @param vport Viewport id
 558 
 * @param vport Viewport id
561 
 * @param data Text data fitting exactly into viewport
 559 
 * @param data Text data fitting exactly into viewport
562 
 */
 560 
 */
563 
static void draw_text_data(viewport_t *vport, keyfield_t *data)
 561 
static void draw_text_data(viewport_t *vport, keyfield_t *data)
564 
{
 562 
{
565 
    int i;
 563 
    int i;
566 
    char c;
 - 
 
567 
    int col,row;
 564 
    int col,row;
568 
 
 565 
 
569 
    clear_port(vport);
 566 
    clear_port(vport);
570 
    for (i=0; i < vport->cols * vport->rows; i++) {
 567 
    for (i=0; i < vport->cols * vport->rows; i++) {
571 
        if (data[i].character == ' ' && style_same(data[i].style,vport->style))
 568 
        if (data[i].character == ' ' && style_same(data[i].style,vport->style))
572 
            continue;
 569 
            continue;
573 
        col = i % vport->cols;
 570 
        col = i % vport->cols;
574 
        row = i / vport->cols;
 571 
        row = i / vport->cols;
575 
        draw_glyph(vport, data[i].character, col * COL_WIDTH, row * FONT_SCANLINES,
 572 
        draw_glyph(vport, data[i].character, col * COL_WIDTH, row * FONT_SCANLINES,
576 
               data[i].style, style_same(data[i].style,vport->style));
 573 
               data[i].style, style_same(data[i].style,vport->style));
577 
    }
 574 
    }
578 
    cursor_print(vport);
 575 
    cursor_print(vport);
579 
}
 576 
}
580 
 
 577 
 
581 
 
 578 
 
582 
/** Return first free pixmap */
 579 
/** Return first free pixmap */
583 
static int find_free_pixmap(void)
 580 
static int find_free_pixmap(void)
584 
{
 581 
{
585 
    int i;
 582 
    int i;
586 
   
 583 
   
587 
    for (i=0;i < MAX_PIXMAPS;i++)
 584 
    for (i=0;i < MAX_PIXMAPS;i++)
588 
        if (!pixmaps[i].data)
 585 
        if (!pixmaps[i].data)
589 
            return i;
 586 
            return i;
590 
    return -1;
 587 
    return -1;
591 
}
 588 
}
592 
 
 589 
 
593 
static void putpixel_pixmap(int pm, unsigned int x, unsigned int y, int color)
 590 
static void putpixel_pixmap(int pm, unsigned int x, unsigned int y, int color)
594 
{
 591 
{
595 
    pixmap_t *pmap = &pixmaps[pm];
 592 
    pixmap_t *pmap = &pixmaps[pm];
596 
    int pos = (y * pmap->width + x) * screen.pixelbytes;
 593 
    int pos = (y * pmap->width + x) * screen.pixelbytes;
597 
 
 594 
 
598 
    (*screen.rgb2scr)(&pmap->data[pos],color);
 595 
    (*screen.rgb2scr)(&pmap->data[pos],color);
599 
}
 596 
}
600 
 
 597 
 
601 
/** Create a new pixmap and return appropriate ID */
 598 
/** Create a new pixmap and return appropriate ID */
602 
static int shm2pixmap(char *shm, size_t size)
 599 
static int shm2pixmap(unsigned char *shm, size_t size)
603 
{
 600 
{
604 
    int pm;
 601 
    int pm;
605 
    pixmap_t *pmap;
 602 
    pixmap_t *pmap;
606 
 
 603 
 
607 
    pm = find_free_pixmap();
 604 
    pm = find_free_pixmap();
608 
    if (pm == -1)
 605 
    if (pm == -1)
609 
        return ELIMIT;
 606 
        return ELIMIT;
610 
    pmap = &pixmaps[pm];
 607 
    pmap = &pixmaps[pm];
611 
   
 608 
   
612 
    if (ppm_get_data(shm, size, &pmap->width, &pmap->height))
 609 
    if (ppm_get_data(shm, size, &pmap->width, &pmap->height))
613 
        return EINVAL;
 610 
        return EINVAL;
614 
   
 611 
   
615 
    pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
 612 
    pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
616 
    if (!pmap->data)
 613 
    if (!pmap->data)
617 
        return ENOMEM;
 614 
        return ENOMEM;
618 
 
 615 
 
619 
    ppm_draw(shm, size, 0, 0, pmap->width, pmap->height,
 616 
    ppm_draw(shm, size, 0, 0, pmap->width, pmap->height,
620 
         (putpixel_cb_t)putpixel_pixmap, (void *)pm);
 617 
         (putpixel_cb_t)putpixel_pixmap, (void *)pm);
621 
 
 618 
 
622 
    return pm;
 619 
    return pm;
623 
}
 620 
}
624 
 
 621 
 
625 
/** Handle shared memory communication calls
 622 
/** Handle shared memory communication calls
626 
 *
 623 
 *
627 
 * Protocol for drawing pixmaps:
 624 
 * Protocol for drawing pixmaps:
628 
 * - FB_PREPARE_SHM(client shm identification)
 625 
 * - FB_PREPARE_SHM(client shm identification)
629 
 * - IPC_M_SEND_AS_AREA
 626 
 * - IPC_M_SEND_AS_AREA
630 
 * - FB_DRAW_PPM(startx,starty)
 627 
 * - FB_DRAW_PPM(startx,starty)
631 
 * - FB_DROP_SHM
 628 
 * - FB_DROP_SHM
632 
 *
 629 
 *
633 
 * Protocol for text drawing
 630 
 * Protocol for text drawing
634 
 * - IPC_M_SEND_AS_AREA
 631 
 * - IPC_M_SEND_AS_AREA
635 
 * - FB_DRAW_TEXT_DATA
 632 
 * - FB_DRAW_TEXT_DATA
636 
 *
 633 
 *
637 
 * @param callid Callid of the current call
 634 
 * @param callid Callid of the current call
638 
 * @param call Current call data
 635 
 * @param call Current call data
639 
 * @param vp Active viewport
 636 
 * @param vp Active viewport
640 
 * @return 0 if the call was not handled byt this function, 1 otherwise
 637 
 * @return 0 if the call was not handled byt this function, 1 otherwise
641 
 *
 638 
 *
642 
 * note: this function is not threads safe, you would have
 639 
 * note: this function is not threads safe, you would have
643 
 * to redefine static variables with __thread
 640 
 * to redefine static variables with __thread
644 
 */
 641 
 */
645 
static int shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
 642 
static int shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
646 
{
 643 
{
647 
    static keyfield_t *interbuffer = NULL;
 644 
    static keyfield_t *interbuffer = NULL;
648 
    static size_t intersize = 0;
 645 
    static size_t intersize = 0;
649 
 
 646 
 
650 
    static char *shm = NULL;
 647 
    static unsigned char *shm = NULL;
651 
    static ipcarg_t shm_id = 0;
 648 
    static ipcarg_t shm_id = 0;
652 
    static size_t shm_size;
 649 
    static size_t shm_size;
653 
 
 650 
 
654 
    int handled = 1;
 651 
    int handled = 1;
655 
    int retval = 0;
 652 
    int retval = 0;
656 
    viewport_t *vport = &viewports[vp];
 653 
    viewport_t *vport = &viewports[vp];
657 
    unsigned int x,y;
 654 
    unsigned int x,y;
658 
 
 655 
 
659 
    switch (IPC_GET_METHOD(*call)) {
 656 
    switch (IPC_GET_METHOD(*call)) {
660 
    case IPC_M_AS_AREA_SEND:
 657 
    case IPC_M_AS_AREA_SEND:
661 
        /* We accept one area for data interchange */
 658 
        /* We accept one area for data interchange */
662 
        if (IPC_GET_ARG1(*call) == shm_id) {
 659 
        if (IPC_GET_ARG1(*call) == shm_id) {
663 
            void *dest = as_get_mappable_page(IPC_GET_ARG2(*call));
 660 
            void *dest = as_get_mappable_page(IPC_GET_ARG2(*call));
664 
            shm_size = IPC_GET_ARG2(*call);
 661 
            shm_size = IPC_GET_ARG2(*call);
665 
            if (!ipc_answer_fast(callid, 0, (sysarg_t)dest, 0))
 662 
            if (!ipc_answer_fast(callid, 0, (sysarg_t)dest, 0))
666 
                shm = dest;
 663 
                shm = dest;
667 
            else
 664 
            else
668 
                shm_id = 0;
 665 
                shm_id = 0;
669 
            if (shm[0] != 'P')
 666 
            if (shm[0] != 'P')
670 
                while (1)
 667 
                while (1)
671 
                    ;
 668 
                    ;
672 
            return 1;
 669 
            return 1;
673 
        } else {
 670 
        } else {
674 
            intersize = IPC_GET_ARG2(*call);
 671 
            intersize = IPC_GET_ARG2(*call);
675 
            receive_comm_area(callid,call,(void **)&interbuffer);
 672 
            receive_comm_area(callid,call,(void *)&interbuffer);
676 
        }
 673 
        }
677 
        return 1;
 674 
        return 1;
678 
    case FB_PREPARE_SHM:
 675 
    case FB_PREPARE_SHM:
679 
        if (shm_id)
 676 
        if (shm_id)
680 
            retval = EBUSY;
 677 
            retval = EBUSY;
681 
        else
 678 
        else
682 
            shm_id = IPC_GET_ARG1(*call);
 679 
            shm_id = IPC_GET_ARG1(*call);
683 
        break;
 680 
        break;
684 
       
 681 
       
685 
    case FB_DROP_SHM:
 682 
    case FB_DROP_SHM:
686 
        if (shm) {
 683 
        if (shm) {
687 
            as_area_destroy(shm);
 684 
            as_area_destroy(shm);
688 
            shm = NULL;
 685 
            shm = NULL;
689 
        }
 686 
        }
690 
        shm_id = 0;
 687 
        shm_id = 0;
691 
        break;
 688 
        break;
692 
 
 689 
 
693 
    case FB_SHM2PIXMAP:
 690 
    case FB_SHM2PIXMAP:
694 
        if (!shm) {
 691 
        if (!shm) {
695 
            retval = EINVAL;
 692 
            retval = EINVAL;
696 
            break;
 693 
            break;
697 
        }
 694 
        }
698 
        retval = shm2pixmap(shm, shm_size);
 695 
        retval = shm2pixmap(shm, shm_size);
699 
        break;
 696 
        break;
700 
    case FB_DRAW_PPM:
 697 
    case FB_DRAW_PPM:
701 
        if (!shm) {
 698 
        if (!shm) {
702 
            retval = EINVAL;
 699 
            retval = EINVAL;
703 
            break;
 700 
            break;
704 
        }
 701 
        }
705 
        x = IPC_GET_ARG1(*call);
 702 
        x = IPC_GET_ARG1(*call);
706 
        y = IPC_GET_ARG2(*call);
 703 
        y = IPC_GET_ARG2(*call);
707 
        if (x > vport->width || y > vport->height) {
 704 
        if (x > vport->width || y > vport->height) {
708 
            retval = EINVAL;
 705 
            retval = EINVAL;
709 
            break;
 706 
            break;
710 
        }
 707 
        }
711 
       
 708 
       
712 
        ppm_draw(shm, shm_size, IPC_GET_ARG1(*call), IPC_GET_ARG2(*call),
 709 
        ppm_draw(shm, shm_size, IPC_GET_ARG1(*call), IPC_GET_ARG2(*call),
713 
             vport->width - x, vport->height - y, (putpixel_cb_t)putpixel, vport);
 710 
             vport->width - x, vport->height - y, (putpixel_cb_t)putpixel, vport);
714 
        break;
 711 
        break;
715 
    case FB_DRAW_TEXT_DATA:
 712 
    case FB_DRAW_TEXT_DATA:
716 
        if (!interbuffer) {
 713 
        if (!interbuffer) {
717 
            retval = EINVAL;
 714 
            retval = EINVAL;
718 
            break;
 715 
            break;
719 
        }
 716 
        }
720 
        if (intersize < vport->cols*vport->rows*sizeof(*interbuffer)) {
 717 
        if (intersize < vport->cols*vport->rows*sizeof(*interbuffer)) {
721 
            retval = EINVAL;
 718 
            retval = EINVAL;
722 
            break;
 719 
            break;
723 
        }
 720 
        }
724 
        draw_text_data(vport, interbuffer);
 721 
        draw_text_data(vport, interbuffer);
725 
        break;
 722 
        break;
726 
    default:
 723 
    default:
727 
        handled = 0;
 724 
        handled = 0;
728 
    }
 725 
    }
729 
   
 726 
   
730 
    if (handled)
 727 
    if (handled)
731 
        ipc_answer_fast(callid, retval, 0, 0);
 728 
        ipc_answer_fast(callid, retval, 0, 0);
732 
    return handled;
 729 
    return handled;
733 
}
 730 
}
734 
 
 731 
 
735 
static void copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap)
 732 
static void copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap)
736 
{
 733 
{
737 
    int x,y;
 734 
    int y;
738 
    int rowsize;
 735 
    int rowsize;
739 
    int tmp;
 736 
    int tmp;
740 
    int width = vport->width;
 737 
    int width = vport->width;
741 
    int height = vport->height;
 738 
    int height = vport->height;
742 
 
 739 
 
743 
    if (width + vport->x > screen.xres)
 740 
    if (width + vport->x > screen.xres)
744 
        width = screen.xres - vport->x;
 741 
        width = screen.xres - vport->x;
745 
    if (height + vport->y  > screen.yres)
 742 
    if (height + vport->y  > screen.yres)
746 
        height = screen.yres - vport->y;
 743 
        height = screen.yres - vport->y;
747 
 
 744 
 
748 
    rowsize = width * screen.pixelbytes;
 745 
    rowsize = width * screen.pixelbytes;
749 
 
 746 
 
750 
    for (y=0;y < height; y++) {
 747 
    for (y=0;y < height; y++) {
751 
        tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
 748 
        tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
752 
        memcpy(pmap->data + rowsize*y, screen.fbaddress + tmp, rowsize);
 749 
        memcpy(pmap->data + rowsize*y, screen.fbaddress + tmp, rowsize);
753 
    }
 750 
    }
754 
}
 751 
}
755 
 
 752 
 
756 
/** Save viewport to pixmap */
 753 
/** Save viewport to pixmap */
757 
static int save_vp_to_pixmap(viewport_t *vport)
 754 
static int save_vp_to_pixmap(viewport_t *vport)
758 
{
 755 
{
759 
    int pm;
 756 
    int pm;
760 
    pixmap_t *pmap;
 757 
    pixmap_t *pmap;
761 
 
 758 
 
762 
    pm = find_free_pixmap();
 759 
    pm = find_free_pixmap();
763 
    if (pm == -1)
 760 
    if (pm == -1)
764 
        return ELIMIT;
 761 
        return ELIMIT;
765 
   
 762 
   
766 
    pmap = &pixmaps[pm];
 763 
    pmap = &pixmaps[pm];
767 
    pmap->data = malloc(screen.pixelbytes * vport->width * vport->height);
 764 
    pmap->data = malloc(screen.pixelbytes * vport->width * vport->height);
768 
    if (!pmap->data)
 765 
    if (!pmap->data)
769 
        return ENOMEM;
 766 
        return ENOMEM;
770 
 
 767 
 
771 
    pmap->width = vport->width;
 768 
    pmap->width = vport->width;
772 
    pmap->height = vport->height;
 769 
    pmap->height = vport->height;
773 
 
 770 
 
774 
    copy_vp_to_pixmap(vport, pmap);
 771 
    copy_vp_to_pixmap(vport, pmap);
775 
   
 772 
   
776 
    return pm;
 773 
    return pm;
777 
}
 774 
}
778 
 
 775 
 
779 
/** Draw pixmap on screen
 776 
/** Draw pixmap on screen
780 
 *
 777 
 *
781 
 * @param vp Viewport to draw on
 778 
 * @param vp Viewport to draw on
782 
 * @param pm Pixmap identifier
 779 
 * @param pm Pixmap identifier
783 
 */
 780 
 */
784 
static int draw_pixmap(int vp, int pm)
 781 
static int draw_pixmap(int vp, int pm)
785 
{
 782 
{
786 
    pixmap_t *pmap = &pixmaps[pm];
 783 
    pixmap_t *pmap = &pixmaps[pm];
787 
    viewport_t *vport = &viewports[vp];
 784 
    viewport_t *vport = &viewports[vp];
788 
    int x,y;
 785 
    int y;
789 
    int tmp, srcrowsize;
 786 
    int tmp, srcrowsize;
790 
    int realwidth, realheight, realrowsize;
 787 
    int realwidth, realheight, realrowsize;
791 
    int width = vport->width;
 788 
    int width = vport->width;
792 
    int height = vport->height;
 789 
    int height = vport->height;
793 
 
 790 
 
794 
    if (width + vport->x > screen.xres)
 791 
    if (width + vport->x > screen.xres)
795 
        width = screen.xres - vport->x;
 792 
        width = screen.xres - vport->x;
796 
    if (height + vport->y > screen.yres)
 793 
    if (height + vport->y > screen.yres)
797 
        height = screen.yres - vport->y;
 794 
        height = screen.yres - vport->y;
798 
 
 795 
 
799 
    if (!pmap->data)
 796 
    if (!pmap->data)
800 
        return EINVAL;
 797 
        return EINVAL;
801 
 
 798 
 
802 
    realwidth = pmap->width <= width ? pmap->width : width;
 799 
    realwidth = pmap->width <= width ? pmap->width : width;
803 
    realheight = pmap->height <= height ? pmap->height : height;
 800 
    realheight = pmap->height <= height ? pmap->height : height;
804 
 
 801 
 
805 
    srcrowsize = vport->width * screen.pixelbytes;
 802 
    srcrowsize = vport->width * screen.pixelbytes;
806 
    realrowsize = realwidth * screen.pixelbytes;
 803 
    realrowsize = realwidth * screen.pixelbytes;
807 
 
 804 
 
808 
    for (y=0; y < realheight; y++) {
 805 
    for (y=0; y < realheight; y++) {
809 
        tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
 806 
        tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
810 
        memcpy(screen.fbaddress + tmp, pmap->data + y * srcrowsize, realrowsize);
 807 
        memcpy(screen.fbaddress + tmp, pmap->data + y * srcrowsize, realrowsize);
811 
    }
 808 
    }
812 
    return 0;
 809 
    return 0;
813 
}
 810 
}
814 
 
 811 
 
815 
/** Tick animation one step forward */
 812 
/** Tick animation one step forward */
816 
static void anims_tick(void)
 813 
static void anims_tick(void)
817 
{
 814 
{
818 
    int i;
 815 
    int i;
819 
    static int counts = 0;
 816 
    static int counts = 0;
820 
   
 817 
   
821 
    /* Limit redrawing */
 818 
    /* Limit redrawing */
822 
    counts = (counts+1) % 8;
 819 
    counts = (counts+1) % 8;
823 
    if (counts)
 820 
    if (counts)
824 
        return;
 821 
        return;
825 
 
 822 
 
826 
    for (i=0; i < MAX_ANIMATIONS; i++) {
 823 
    for (i=0; i < MAX_ANIMATIONS; i++) {
827 
        if (!animations[i].animlen || !animations[i].initialized || !animations[i].enabled)
 824 
        if (!animations[i].animlen || !animations[i].initialized || !animations[i].enabled)
828 
            continue;
 825 
            continue;
829 
        draw_pixmap(animations[i].vp, animations[i].pixmaps[animations[i].pos]);
 826 
        draw_pixmap(animations[i].vp, animations[i].pixmaps[animations[i].pos]);
830 
        animations[i].pos = (animations[i].pos+1) % animations[i].animlen;
 827 
        animations[i].pos = (animations[i].pos+1) % animations[i].animlen;
831 
    }
 828 
    }
832 
}
 829 
}
833 
 
 830 
 
834 
 
 831 
 
835 
static int pointer_x, pointer_y;
 832 
static int pointer_x, pointer_y;
836 
static int pointer_shown;
 833 
static int pointer_shown;
837 
static int pointer_vport = -1;
 834 
static int pointer_vport = -1;
838 
static int pointer_pixmap = -1;
 835 
static int pointer_pixmap = -1;
839 
 
 836 
 
840 
static void mouse_show(void)
 837 
static void mouse_show(void)
841 
{
 838 
{
842 
    int i,j;
 839 
    int i,j;
843 
    int visibility;
 840 
    int visibility;
844 
    int color;
 841 
    int color;
845 
    int bytepos;
 842 
    int bytepos;
846 
 
 843 
 
847 
    /* Save image under the cursor */
 844 
    /* Save image under the cursor */
848 
    if (pointer_vport == -1) {
 845 
    if (pointer_vport == -1) {
849 
        pointer_vport = viewport_create(pointer_x, pointer_y, pointer_width, pointer_height);
 846 
        pointer_vport = viewport_create(pointer_x, pointer_y, pointer_width, pointer_height);
850 
        if (pointer_vport < 0)
 847 
        if (pointer_vport < 0)
851 
            return;
 848 
            return;
852 
    } else {
 849 
    } else {
853 
        viewports[pointer_vport].x = pointer_x;
 850 
        viewports[pointer_vport].x = pointer_x;
854 
        viewports[pointer_vport].y = pointer_y;
 851 
        viewports[pointer_vport].y = pointer_y;
855 
    }
 852 
    }
856 
 
 853 
 
857 
    if (pointer_pixmap == -1)
 854 
    if (pointer_pixmap == -1)
858 
        pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
 855 
        pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
859 
    else
 856 
    else
860 
        copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]);
 857 
        copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]);
861 
 
 858 
 
862 
    /* Draw cursor */
 859 
    /* Draw cursor */
863 
    for (i=0; i < pointer_height; i++)
 860 
    for (i=0; i < pointer_height; i++)
864 
        for (j=0;j < pointer_width; j++) {
 861 
        for (j=0;j < pointer_width; j++) {
865 
            bytepos = i*((pointer_width-1)/8+1) + j/8;
 862 
            bytepos = i*((pointer_width-1)/8+1) + j/8;
866 
            visibility = pointer_mask_bits[bytepos] & (1 << (j % 8));
 863 
            visibility = pointer_mask_bits[bytepos] & (1 << (j % 8));
867 
            if (visibility) {
 864 
            if (visibility) {
868 
                color = pointer_bits[bytepos] & (1 << (j % 8)) ? 0 : 0xffffff;
 865 
                color = pointer_bits[bytepos] & (1 << (j % 8)) ? 0 : 0xffffff;
869 
                if (pointer_x+j < screen.xres && pointer_y+i < screen.yres)
 866 
                if (pointer_x+j < screen.xres && pointer_y+i < screen.yres)
870 
                    putpixel(&viewports[0], pointer_x+j, pointer_y+i, color);
 867 
                    putpixel(&viewports[0], pointer_x+j, pointer_y+i, color);
871 
            }
 868 
            }
872 
        }
 869 
        }
873 
    pointer_shown = 1;
 870 
    pointer_shown = 1;
874 
}
 871 
}
875 
 
 872 
 
876 
static void mouse_hide(void)
 873 
static void mouse_hide(void)
877 
{
 874 
{
878 
    /* Restore image under the cursor */
 875 
    /* Restore image under the cursor */
879 
    if (pointer_shown) {
 876 
    if (pointer_shown) {
880 
        draw_pixmap(pointer_vport, pointer_pixmap);
 877 
        draw_pixmap(pointer_vport, pointer_pixmap);
881 
        pointer_shown = 0;
 878 
        pointer_shown = 0;
882 
    }
 879 
    }
883 
}
 880 
}
884 
 
 881 
 
885 
static void mouse_move(unsigned int x, unsigned int y)
 882 
static void mouse_move(unsigned int x, unsigned int y)
886 
{
 883 
{
887 
    mouse_hide();
 884 
    mouse_hide();
888 
    pointer_x = x;
 885 
    pointer_x = x;
889 
    pointer_y = y;
 886 
    pointer_y = y;
890 
    mouse_show();
 887 
    mouse_show();
891 
}
 888 
}
892 
 
 889 
 
893 
static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
 890 
static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
894 
{
 891 
{
895 
    int handled = 1;
 892 
    int handled = 1;
896 
    int retval = 0;
 893 
    int retval = 0;
897 
    int i,nvp;
 894 
    int i,nvp;
898 
    int newval;
 895 
    int newval;
899 
 
 896 
 
900 
    switch (IPC_GET_METHOD(*call)) {
 897 
    switch (IPC_GET_METHOD(*call)) {
901 
    case FB_ANIM_CREATE:
 898 
    case FB_ANIM_CREATE:
902 
        nvp = IPC_GET_ARG1(*call);
 899 
        nvp = IPC_GET_ARG1(*call);
903 
        if (nvp == -1)
 900 
        if (nvp == -1)
904 
            nvp = vp;
 901 
            nvp = vp;
905 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 || !viewports[nvp].initialized) {
 902 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 || !viewports[nvp].initialized) {
906 
            retval = EINVAL;
 903 
            retval = EINVAL;
907 
            break;
 904 
            break;
908 
        }
 905 
        }
909 
        for (i=0; i < MAX_ANIMATIONS; i++) {
 906 
        for (i=0; i < MAX_ANIMATIONS; i++) {
910 
            if (! animations[i].initialized)
 907 
            if (! animations[i].initialized)
911 
                break;
 908 
                break;
912 
        }
 909 
        }
913 
        if (i == MAX_ANIMATIONS) {
 910 
        if (i == MAX_ANIMATIONS) {
914 
            retval = ELIMIT;
 911 
            retval = ELIMIT;
915 
            break;
 912 
            break;
916 
        }
 913 
        }
917 
        animations[i].initialized = 1;
 914 
        animations[i].initialized = 1;
918 
        animations[i].animlen = 0;
 915 
        animations[i].animlen = 0;
919 
        animations[i].pos = 0;
 916 
        animations[i].pos = 0;
920 
        animations[i].enabled = 0;
 917 
        animations[i].enabled = 0;
921 
        animations[i].vp = nvp;
 918 
        animations[i].vp = nvp;
922 
        retval = i;
 919 
        retval = i;
923 
        break;
 920 
        break;
924 
    case FB_ANIM_DROP:
 921 
    case FB_ANIM_DROP:
925 
        i = IPC_GET_ARG1(*call);
 922 
        i = IPC_GET_ARG1(*call);
926 
        if (nvp >= MAX_ANIMATIONS || i < 0) {
 923 
        if (i >= MAX_ANIMATIONS || i < 0) {
927 
            retval = EINVAL;
 924 
            retval = EINVAL;
928 
            break;
 925 
            break;
929 
        }
 926 
        }
930 
        animations[i].initialized = 0;
 927 
        animations[i].initialized = 0;
931 
        break;
 928 
        break;
932 
    case FB_ANIM_ADDPIXMAP:
 929 
    case FB_ANIM_ADDPIXMAP:
933 
        i = IPC_GET_ARG1(*call);
 930 
        i = IPC_GET_ARG1(*call);
934 
        if (i >= MAX_ANIMATIONS || i < 0 || !animations[i].initialized) {
 931 
        if (i >= MAX_ANIMATIONS || i < 0 || !animations[i].initialized) {
935 
            retval = EINVAL;
 932 
            retval = EINVAL;
936 
            break;
 933 
            break;
937 
        }
 934 
        }
938 
        if (animations[i].animlen == MAX_ANIM_LEN) {
 935 
        if (animations[i].animlen == MAX_ANIM_LEN) {
939 
            retval = ELIMIT;
 936 
            retval = ELIMIT;
940 
            break;
 937 
            break;
941 
        }
 938 
        }
942 
        newval = IPC_GET_ARG2(*call);
 939 
        newval = IPC_GET_ARG2(*call);
943 
        if (newval < 0 || newval > MAX_PIXMAPS || !pixmaps[newval].data) {
 940 
        if (newval < 0 || newval > MAX_PIXMAPS || !pixmaps[newval].data) {
944 
            retval = EINVAL;
 941 
            retval = EINVAL;
945 
            break;
 942 
            break;
946 
        }
 943 
        }
947 
        animations[i].pixmaps[animations[i].animlen++] = newval;
 944 
        animations[i].pixmaps[animations[i].animlen++] = newval;
948 
        break;
 945 
        break;
949 
    case FB_ANIM_CHGVP:
 946 
    case FB_ANIM_CHGVP:
950 
        i = IPC_GET_ARG1(*call);
 947 
        i = IPC_GET_ARG1(*call);
951 
        if (i >= MAX_ANIMATIONS || i < 0) {
 948 
        if (i >= MAX_ANIMATIONS || i < 0) {
952 
            retval = EINVAL;
 949 
            retval = EINVAL;
953 
            break;
 950 
            break;
954 
        }
 951 
        }
955 
        nvp = IPC_GET_ARG2(*call);
 952 
        nvp = IPC_GET_ARG2(*call);
956 
        if (nvp == -1)
 953 
        if (nvp == -1)
957 
            nvp = vp;
 954 
            nvp = vp;
958 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 || !viewports[nvp].initialized) {
 955 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 || !viewports[nvp].initialized) {
959 
            retval = EINVAL;
 956 
            retval = EINVAL;
960 
            break;
 957 
            break;
961 
        }
 958 
        }
962 
        animations[i].vp = nvp;
 959 
        animations[i].vp = nvp;
963 
        break;
 960 
        break;
964 
    case FB_ANIM_START:
 961 
    case FB_ANIM_START:
965 
    case FB_ANIM_STOP:
 962 
    case FB_ANIM_STOP:
966 
        i = IPC_GET_ARG1(*call);
 963 
        i = IPC_GET_ARG1(*call);
967 
        if (i >= MAX_ANIMATIONS || i < 0) {
 964 
        if (i >= MAX_ANIMATIONS || i < 0) {
968 
            retval = EINVAL;
 965 
            retval = EINVAL;
969 
            break;
 966 
            break;
970 
        }
 967 
        }
971 
        newval = (IPC_GET_METHOD(*call) == FB_ANIM_START);
 968 
        newval = (IPC_GET_METHOD(*call) == FB_ANIM_START);
972 
        if (newval ^ animations[i].enabled) {
 969 
        if (newval ^ animations[i].enabled) {
973 
            animations[i].enabled = newval;
 970 
            animations[i].enabled = newval;
974 
            anims_enabled += newval ? 1 : -1;
 971 
            anims_enabled += newval ? 1 : -1;
975 
        }
 972 
        }
976 
        break;
 973 
        break;
977 
    default:
 974 
    default:
978 
        handled = 0;
 975 
        handled = 0;
979 
    }
 976 
    }
980 
    if (handled)
 977 
    if (handled)
981 
        ipc_answer_fast(callid, retval, 0, 0);
 978 
        ipc_answer_fast(callid, retval, 0, 0);
982 
    return handled;
 979 
    return handled;
983 
}
 980 
}
984 
 
 981 
 
985 
/** Handler for messages concerning pixmap handling */
 982 
/** Handler for messages concerning pixmap handling */
986 
static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
 983 
static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
987 
{
 984 
{
988 
    int handled = 1;
 985 
    int handled = 1;
989 
    int retval = 0;
 986 
    int retval = 0;
990 
    int i,nvp;
 987 
    int i,nvp;
991 
 
 988 
 
992 
    switch (IPC_GET_METHOD(*call)) {
 989 
    switch (IPC_GET_METHOD(*call)) {
993 
    case FB_VP_DRAW_PIXMAP:
 990 
    case FB_VP_DRAW_PIXMAP:
994 
        nvp = IPC_GET_ARG1(*call);
 991 
        nvp = IPC_GET_ARG1(*call);
995 
        if (nvp == -1)
 992 
        if (nvp == -1)
996 
            nvp = vp;
 993 
            nvp = vp;
997 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS || !viewports[nvp].initialized) {
 994 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS || !viewports[nvp].initialized) {
998 
            retval = EINVAL;
 995 
            retval = EINVAL;
999 
            break;
 996 
            break;
1000 
        }
 997 
        }
1001 
        i = IPC_GET_ARG2(*call);
 998 
        i = IPC_GET_ARG2(*call);
1002 
        retval = draw_pixmap(nvp, i);
 999 
        retval = draw_pixmap(nvp, i);
1003 
        break;
 1000 
        break;
1004 
    case FB_VP2PIXMAP:
 1001 
    case FB_VP2PIXMAP:
1005 
        nvp = IPC_GET_ARG1(*call);
 1002 
        nvp = IPC_GET_ARG1(*call);
1006 
        if (nvp == -1)
 1003 
        if (nvp == -1)
1007 
            nvp = vp;
 1004 
            nvp = vp;
1008 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS || !viewports[nvp].initialized)
 1005 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS || !viewports[nvp].initialized)
1009 
            retval = EINVAL;
 1006 
            retval = EINVAL;
1010 
        else
 1007 
        else
1011 
            retval = save_vp_to_pixmap(&viewports[nvp]);
 1008 
            retval = save_vp_to_pixmap(&viewports[nvp]);
1012 
        break;
 1009 
        break;
1013 
    case FB_DROP_PIXMAP:
 1010 
    case FB_DROP_PIXMAP:
1014 
        i = IPC_GET_ARG1(*call);
 1011 
        i = IPC_GET_ARG1(*call);
1015 
        if (i >= MAX_PIXMAPS) {
 1012 
        if (i >= MAX_PIXMAPS) {
1016 
            retval = EINVAL;
 1013 
            retval = EINVAL;
1017 
            break;
 1014 
            break;
1018 
        }
 1015 
        }
1019 
        if (pixmaps[i].data) {
 1016 
        if (pixmaps[i].data) {
1020 
            free(pixmaps[i].data);
 1017 
            free(pixmaps[i].data);
1021 
            pixmaps[i].data = NULL;
 1018 
            pixmaps[i].data = NULL;
1022 
        }
 1019 
        }
1023 
        break;
 1020 
        break;
1024 
    default:
 1021 
    default:
1025 
        handled = 0;
 1022 
        handled = 0;
1026 
    }
 1023 
    }
1027 
 
 1024 
 
1028 
    if (handled)
 1025 
    if (handled)
1029 
        ipc_answer_fast(callid, retval, 0, 0);
 1026 
        ipc_answer_fast(callid, retval, 0, 0);
1030 
    return handled;
 1027 
    return handled;
1031 
   
 1028 
   
1032 
}
 1029 
}
1033 
 
 1030 
 
1034 
/** Function for handling connections to FB
 1031 
/** Function for handling connections to FB
1035 
 *
 1032 
 *
1036 
 */
 1033 
 */
1037 
static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
 1034 
static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
1038 
{
 1035 
{
1039 
    ipc_callid_t callid;
 1036 
    ipc_callid_t callid;
1040 
    ipc_call_t call;
 1037 
    ipc_call_t call;
1041 
    int retval;
 1038 
    int retval;
1042 
    int i;
 1039 
    int i;
1043 
    unsigned int row,col;
 1040 
    unsigned int row,col;
1044 
    char c;
 1041 
    char c;
1045 
 
 1042 
 
1046 
    int vp = 0;
 1043 
    int vp = 0;
1047 
    viewport_t *vport = &viewports[0];
 1044 
    viewport_t *vport = &viewports[0];
1048 
 
 1045 
 
1049 
    if (client_connected) {
 1046 
    if (client_connected) {
1050 
        ipc_answer_fast(iid, ELIMIT, 0,0);
 1047 
        ipc_answer_fast(iid, ELIMIT, 0,0);
1051 
        return;
 1048 
        return;
1052 
    }
 1049 
    }
1053 
    client_connected = 1;
 1050 
    client_connected = 1;
1054 
    ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
 1051 
    ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
1055 
 
 1052 
 
1056 
    while (1) {
 1053 
    while (1) {
1057 
        if (vport->cursor_active || anims_enabled)
 1054 
        if (vport->cursor_active || anims_enabled)
1058 
            callid = async_get_call_timeout(&call,250000);
 1055 
            callid = async_get_call_timeout(&call,250000);
1059 
        else
 1056 
        else
1060 
            callid = async_get_call(&call);
 1057 
            callid = async_get_call(&call);
1061 
 
 1058 
 
1062 
        mouse_hide();
 1059 
        mouse_hide();
1063 
        if (!callid) {
 1060 
        if (!callid) {
1064 
            cursor_blink(vport);
 1061 
            cursor_blink(vport);
1065 
            anims_tick();
 1062 
            anims_tick();
1066 
            continue;
 1063 
            continue;
1067 
        }
 1064 
        }
1068 
        if (shm_handle(callid, &call, vp))
 1065 
        if (shm_handle(callid, &call, vp))
1069 
            continue;
 1066 
            continue;
1070 
        if (pixmap_handle(callid, &call, vp))
 1067 
        if (pixmap_handle(callid, &call, vp))
1071 
            continue;
 1068 
            continue;
1072 
        if (anim_handle(callid, &call, vp))
 1069 
        if (anim_handle(callid, &call, vp))
1073 
            continue;
 1070 
            continue;
1074 
 
 1071 
 
1075 
        switch (IPC_GET_METHOD(call)) {
 1072 
        switch (IPC_GET_METHOD(call)) {
1076 
        case IPC_M_PHONE_HUNGUP:
 1073 
        case IPC_M_PHONE_HUNGUP:
1077 
            client_connected = 0;
 1074 
            client_connected = 0;
1078 
            /* cleanup other viewports */
 1075 
            /* cleanup other viewports */
1079 
            for (i=1; i < MAX_VIEWPORTS; i++)
 1076 
            for (i=1; i < MAX_VIEWPORTS; i++)
1080 
                vport->initialized = 0;
 1077 
                vport->initialized = 0;
1081 
            return; /* Exit thread */
 1078 
            return; /* Exit thread */
1082 
 
 1079 
 
1083 
        case FB_PUTCHAR:
 1080 
        case FB_PUTCHAR:
1084 
        case FB_TRANS_PUTCHAR:
 1081 
        case FB_TRANS_PUTCHAR:
1085 
            c = IPC_GET_ARG1(call);
 1082 
            c = IPC_GET_ARG1(call);
1086 
            row = IPC_GET_ARG2(call);
 1083 
            row = IPC_GET_ARG2(call);
1087 
            col = IPC_GET_ARG3(call);
 1084 
            col = IPC_GET_ARG3(call);
1088 
            if (row >= vport->rows || col >= vport->cols) {
 1085 
            if (row >= vport->rows || col >= vport->cols) {
1089 
                retval = EINVAL;
 1086 
                retval = EINVAL;
1090 
                break;
 1087 
                break;
1091 
            }
 1088 
            }
1092 
            ipc_answer_fast(callid,0,0,0);
 1089 
            ipc_answer_fast(callid,0,0,0);
1093 
 
 1090 
 
1094 
            draw_char(vport, c, row, col, vport->style, IPC_GET_METHOD(call) == FB_TRANS_PUTCHAR);
 1091 
            draw_char(vport, c, row, col, vport->style, IPC_GET_METHOD(call) == FB_TRANS_PUTCHAR);
1095 
            continue; /* msg already answered */
 1092 
            continue; /* msg already answered */
1096 
        case FB_CLEAR:
 1093 
        case FB_CLEAR:
1097 
            clear_port(vport);
 1094 
            clear_port(vport);
1098 
            cursor_print(vport);
 1095 
            cursor_print(vport);
1099 
            retval = 0;
 1096 
            retval = 0;
1100 
            break;
 1097 
            break;
1101 
        case FB_CURSOR_GOTO:
 1098 
        case FB_CURSOR_GOTO:
1102 
            row = IPC_GET_ARG1(call);
 1099 
            row = IPC_GET_ARG1(call);
1103 
            col = IPC_GET_ARG2(call);
 1100 
            col = IPC_GET_ARG2(call);
1104 
            if (row >= vport->rows || col >= vport->cols) {
 1101 
            if (row >= vport->rows || col >= vport->cols) {
1105 
                retval = EINVAL;
 1102 
                retval = EINVAL;
1106 
                break;
 1103 
                break;
1107 
            }
 1104 
            }
1108 
            retval = 0;
 1105 
            retval = 0;
1109 
            cursor_hide(vport);
 1106 
            cursor_hide(vport);
1110 
            vport->cur_col = col;
 1107 
            vport->cur_col = col;
1111 
            vport->cur_row = row;
 1108 
            vport->cur_row = row;
1112 
            cursor_print(vport);
 1109 
            cursor_print(vport);
1113 
            break;
 1110 
            break;
1114 
        case FB_CURSOR_VISIBILITY:
 1111 
        case FB_CURSOR_VISIBILITY:
1115 
            cursor_hide(vport);
 1112 
            cursor_hide(vport);
1116 
            vport->cursor_active = IPC_GET_ARG1(call);
 1113 
            vport->cursor_active = IPC_GET_ARG1(call);
1117 
            cursor_print(vport);
 1114 
            cursor_print(vport);
1118 
            retval = 0;
 1115 
            retval = 0;
1119 
            break;
 1116 
            break;
1120 
        case FB_GET_CSIZE:
 1117 
        case FB_GET_CSIZE:
1121 
            ipc_answer_fast(callid, 0, vport->rows, vport->cols);
 1118 
            ipc_answer_fast(callid, 0, vport->rows, vport->cols);
1122 
            continue;
 1119 
            continue;
1123 
        case FB_SCROLL:
 1120 
        case FB_SCROLL:
1124 
            i = IPC_GET_ARG1(call);
 1121 
            i = IPC_GET_ARG1(call);
1125 
            if (i > vport->rows || i < (- (int)vport->rows)) {
 1122 
            if (i > vport->rows || i < (- (int)vport->rows)) {
1126 
                retval = EINVAL;
 1123 
                retval = EINVAL;
1127 
                break;
 1124 
                break;
1128 
            }
 1125 
            }
1129 
            cursor_hide(vport);
 1126 
            cursor_hide(vport);
1130 
            scroll_port(vport, i*FONT_SCANLINES);
 1127 
            scroll_port(vport, i*FONT_SCANLINES);
1131 
            cursor_print(vport);
 1128 
            cursor_print(vport);
1132 
            retval = 0;
 1129 
            retval = 0;
1133 
            break;
 1130 
            break;
1134 
        case FB_VIEWPORT_DB:
 1131 
        case FB_VIEWPORT_DB:
1135 
            /* Enable double buffering */
 1132 
            /* Enable double buffering */
1136 
            i = IPC_GET_ARG1(call);
 1133 
            i = IPC_GET_ARG1(call);
1137 
            if (i == -1)
 1134 
            if (i == -1)
1138 
                i = vp;
 1135 
                i = vp;
1139 
            if (i < 0 || i >= MAX_VIEWPORTS) {
 1136 
            if (i < 0 || i >= MAX_VIEWPORTS) {
1140 
                retval = EINVAL;
 1137 
                retval = EINVAL;
1141 
                break;
 1138 
                break;
1142 
            }
 1139 
            }
1143 
            if (! viewports[i].initialized ) {
 1140 
            if (! viewports[i].initialized ) {
1144 
                while (1)
 - 
 
1145 
                    ;
 - 
 
1146 
                retval = EADDRNOTAVAIL;
 1141 
                retval = EADDRNOTAVAIL;
1147 
                break;
 1142 
                break;
1148 
            }
 1143 
            }
1149 
            viewports[i].dboffset = 0;
 1144 
            viewports[i].dboffset = 0;
1150 
            if (IPC_GET_ARG2(call) == 1 && !viewports[i].dbdata)
 1145 
            if (IPC_GET_ARG2(call) == 1 && !viewports[i].dbdata)
1151 
                viewports[i].dbdata = malloc(screen.pixelbytes*viewports[i].width * viewports[i].height);
 1146 
                viewports[i].dbdata = malloc(screen.pixelbytes*viewports[i].width * viewports[i].height);
1152 
            else if (IPC_GET_ARG2(call) == 0 && viewports[i].dbdata) {
 1147 
            else if (IPC_GET_ARG2(call) == 0 && viewports[i].dbdata) {
1153 
                free(viewports[i].dbdata);
 1148 
                free(viewports[i].dbdata);
1154 
                viewports[i].dbdata = NULL;
 1149 
                viewports[i].dbdata = NULL;
1155 
            }
 1150 
            }
1156 
            retval = 0;
 1151 
            retval = 0;
1157 
            break;
 1152 
            break;
1158 
        case FB_VIEWPORT_SWITCH:
 1153 
        case FB_VIEWPORT_SWITCH:
1159 
            i = IPC_GET_ARG1(call);
 1154 
            i = IPC_GET_ARG1(call);
1160 
            if (i < 0 || i >= MAX_VIEWPORTS) {
 1155 
            if (i < 0 || i >= MAX_VIEWPORTS) {
1161 
                retval = EINVAL;
 1156 
                retval = EINVAL;
1162 
                break;
 1157 
                break;
1163 
            }
 1158 
            }
1164 
            if (! viewports[i].initialized ) {
 1159 
            if (! viewports[i].initialized ) {
1165 
                retval = EADDRNOTAVAIL;
 1160 
                retval = EADDRNOTAVAIL;
1166 
                break;
 1161 
                break;
1167 
            }
 1162 
            }
1168 
            cursor_hide(vport);
 1163 
            cursor_hide(vport);
1169 
            vp = i;
 1164 
            vp = i;
1170 
            vport = &viewports[vp];
 1165 
            vport = &viewports[vp];
1171 
            cursor_print(vport);
 1166 
            cursor_print(vport);
1172 
            retval = 0;
 1167 
            retval = 0;
1173 
            break;
 1168 
            break;
1174 
        case FB_VIEWPORT_CREATE:
 1169 
        case FB_VIEWPORT_CREATE:
1175 
            retval = viewport_create(IPC_GET_ARG1(call) >> 16,
 1170 
            retval = viewport_create(IPC_GET_ARG1(call) >> 16,
1176 
                         IPC_GET_ARG1(call) & 0xffff,
 1171 
                         IPC_GET_ARG1(call) & 0xffff,
1177 
                         IPC_GET_ARG2(call) >> 16,
 1172 
                         IPC_GET_ARG2(call) >> 16,
1178 
                         IPC_GET_ARG2(call) & 0xffff);
 1173 
                         IPC_GET_ARG2(call) & 0xffff);
1179 
            break;
 1174 
            break;
1180 
        case FB_VIEWPORT_DELETE:
 1175 
        case FB_VIEWPORT_DELETE:
1181 
            i = IPC_GET_ARG1(call);
 1176 
            i = IPC_GET_ARG1(call);
1182 
            if (i < 0 || i >= MAX_VIEWPORTS) {
 1177 
            if (i < 0 || i >= MAX_VIEWPORTS) {
1183 
                retval = EINVAL;
 1178 
                retval = EINVAL;
1184 
                break;
 1179 
                break;
1185 
            }
 1180 
            }
1186 
            if (! viewports[i].initialized ) {
 1181 
            if (! viewports[i].initialized ) {
1187 
                retval = EADDRNOTAVAIL;
 1182 
                retval = EADDRNOTAVAIL;
1188 
                break;
 1183 
                break;
1189 
            }
 1184 
            }
1190 
            viewports[i].initialized = 0;
 1185 
            viewports[i].initialized = 0;
1191 
            if (viewports[i].dbdata) {
 1186 
            if (viewports[i].dbdata) {
1192 
                free(viewports[i].dbdata);
 1187 
                free(viewports[i].dbdata);
1193 
                viewports[i].dbdata = NULL;
 1188 
                viewports[i].dbdata = NULL;
1194 
            }
 1189 
            }
1195 
            retval = 0;
 1190 
            retval = 0;
1196 
            break;
 1191 
            break;
1197 
        case FB_SET_STYLE:
 1192 
        case FB_SET_STYLE:
1198 
            vport->style.fg_color = IPC_GET_ARG1(call);
 1193 
            vport->style.fg_color = IPC_GET_ARG1(call);
1199 
            vport->style.bg_color = IPC_GET_ARG2(call);
 1194 
            vport->style.bg_color = IPC_GET_ARG2(call);
1200 
            retval = 0;
 1195 
            retval = 0;
1201 
            break;
 1196 
            break;
1202 
        case FB_GET_RESOLUTION:
 1197 
        case FB_GET_RESOLUTION:
1203 
            ipc_answer_fast(callid, 0, screen.xres,screen.yres);
 1198 
            ipc_answer_fast(callid, 0, screen.xres,screen.yres);
1204 
            continue;
 1199 
            continue;
1205 
        case FB_POINTER_MOVE:
 1200 
        case FB_POINTER_MOVE:
1206 
            mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
 1201 
            mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
- 
 
 1202 
            retval = 0;
1207 
            break;
 1203 
            break;
1208 
        default:
 1204 
        default:
1209 
            retval = ENOENT;
 1205 
            retval = ENOENT;
1210 
        }
 1206 
        }
1211 
        ipc_answer_fast(callid,retval,0,0);
 1207 
        ipc_answer_fast(callid,retval,0,0);
1212 
    }
 1208 
    }
1213 
}
 1209 
}
1214 
 
 1210 
 
1215 
/** Initialization of framebuffer */
 1211 
/** Initialization of framebuffer */
1216 
int fb_init(void)
 1212 
int fb_init(void)
1217 
{
 1213 
{
1218 
    void *fb_ph_addr;
 1214 
    void *fb_ph_addr;
1219 
    unsigned int fb_width;
 1215 
    unsigned int fb_width;
1220 
    unsigned int fb_height;
 1216 
    unsigned int fb_height;
1221 
    unsigned int fb_bpp;
 1217 
    unsigned int fb_bpp;
1222 
    unsigned int fb_scanline;
 1218 
    unsigned int fb_scanline;
1223 
    void *fb_addr;
 1219 
    void *fb_addr;
1224 
    size_t asz;
 1220 
    size_t asz;
1225 
 
 1221 
 
1226 
    async_set_client_connection(fb_client_connection);
 1222 
    async_set_client_connection(fb_client_connection);
1227 
 
 1223 
 
1228 
    fb_ph_addr=(void *)sysinfo_value("fb.address.physical");
 1224 
    fb_ph_addr=(void *)sysinfo_value("fb.address.physical");
1229 
    fb_width=sysinfo_value("fb.width");
 1225 
    fb_width=sysinfo_value("fb.width");
1230 
    fb_height=sysinfo_value("fb.height");
 1226 
    fb_height=sysinfo_value("fb.height");
1231 
    fb_bpp=sysinfo_value("fb.bpp");
 1227 
    fb_bpp=sysinfo_value("fb.bpp");
1232 
    fb_scanline=sysinfo_value("fb.scanline");
 1228 
    fb_scanline=sysinfo_value("fb.scanline");
1233 
 
 1229 
 
1234 
    asz = fb_scanline*fb_height;
 1230 
    asz = fb_scanline*fb_height;
1235 
    fb_addr = as_get_mappable_page(asz);
 1231 
    fb_addr = as_get_mappable_page(asz);
1236 
   
 1232 
   
1237 
    map_physmem(fb_ph_addr, fb_addr, ALIGN_UP(asz,PAGE_SIZE) >>PAGE_WIDTH,
 1233 
    map_physmem(fb_ph_addr, fb_addr, ALIGN_UP(asz,PAGE_SIZE) >>PAGE_WIDTH,
1238 
            AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE);
 1234 
            AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE);
1239 
   
 1235 
   
1240 
    screen_init(fb_addr, fb_width, fb_height, fb_bpp, fb_scanline);
 1236 
    screen_init(fb_addr, fb_width, fb_height, fb_bpp, fb_scanline);
1241 
 
 1237 
 
1242 
    return 0;
 1238 
    return 0;
1243 
}
 1239 
}
1244 
 
 1240 
 
1245 
 
 1241 
 
1246 
/**
 1242 
/**
1247 
 * @}
 1243 
 * @}
1248 
 */
 1244 
 */
1249 
 
 1245