WebSVN – HelenOS – Diff – /trunk/uspace/srv/console/screenbuffer.c



 */
/** @file
 */
 
#include <screenbuffer.h>
#include <io/style.h>
#include <malloc.h>
#include <unistd.h>
 
/** Store one character to screenbuffer.
 *

 * @param size_y Height in characters
 *
 * @return Pointer to screenbuffer (same as scr parameter) or NULL
 *
 */
screenbuffer_t *screenbuffer_init(screenbuffer_t *scr, size_t size_x, size_t size_y)
{
    scr->buffer = (keyfield_t *) malloc(sizeof(keyfield_t) * size_x * size_y);
    if (!scr->buffer)
        return NULL;
   

 * @param scr Screenbuffer
 *
 */
void screenbuffer_clear(screenbuffer_t *scr)
{
    size_t i;
   
    for (i = 0; i < (scr->size_x * scr->size_y); i++) {
        scr->buffer[i].character = ' ';
        scr->buffer[i].attrs = scr->attrs;
    }
   
    scr->top_line = 0;
 
    scr->position_x = 0;
    scr->position_y = 0;
}
 
/** Clear one buffer line.
 *
 * @param scr
 * @param line One buffer line (not a screen line!)
 *
 */
void screenbuffer_clear_line(screenbuffer_t *scr, size_t line)
{
    size_t x;
   
    for (x = 0; x < scr->size_x; x++) {
        scr->buffer[x + line * scr->size_x].character = ' ';
        scr->buffer[x + line * scr->size_x].attrs = scr->attrs;
    }
}
 
/** Copy content buffer from screenbuffer to given memory.
 *
 * @param scr  Source screenbuffer
 * @param dest Destination
 *
 */
void screenbuffer_copy_buffer(screenbuffer_t *scr, keyfield_t *dest)
{
    size_t i;
   
    for (i = 0; i < (scr->size_x * scr->size_y); i++)
        dest[i] = scr->buffer[i];
}
 
/** Set new cursor position in screenbuffer.
 *
 * @param scr
 * @param x
 * @param y
 *
 */
void screenbuffer_goto(screenbuffer_t *scr, size_t x, size_t y)
{
    scr->position_x = x % scr->size_x;
    scr->position_y = y % scr->size_y;
}
 

 * @param scr
 * @param fg_color
 * @param bg_color
 *
 */
void screenbuffer_set_style(screenbuffer_t *scr, uint8_t style)
{
    scr->attrs.t = at_style;
    scr->attrs.a.s.style = style;
}
 

 * @param scr
 * @param fg_color
 * @param bg_color
 *
 */
void screenbuffer_set_color(screenbuffer_t *scr, uint8_t fg_color, uint8_t bg_color, uint8_t flags)
{
    scr->attrs.t = at_idx;
    scr->attrs.a.i.fg_color = fg_color;
    scr->attrs.a.i.bg_color = bg_color;
    scr->attrs.a.i.flags = flags;

 * @param scr
 * @param fg_color
 * @param bg_color
 *
 */
void screenbuffer_set_rgb_color(screenbuffer_t *scr, uint32_t fg_color, uint32_t bg_color)
{
    scr->attrs.t = at_rgb;
    scr->attrs.a.r.fg_color = fg_color;
    scr->attrs.a.r.bg_color = bg_color;
}

Rev 4421	Rev 4456
Line 31...	Line 31...
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <screenbuffer.h>	35	#include <screenbuffer.h>
36	#include <console/style.h>	36	#include <io/style.h>
37	#include <malloc.h>	37	#include <malloc.h>
38	#include <unistd.h>	38	#include <unistd.h>
39		39
40	/** Store one character to screenbuffer.	40	/** Store one character to screenbuffer.
41	*	41	*
Line 64...	Line 64...
64	* @param size_y Height in characters	64	* @param size_y Height in characters
65	*	65	*
66	* @return Pointer to screenbuffer (same as scr parameter) or NULL	66	* @return Pointer to screenbuffer (same as scr parameter) or NULL
67	*	67	*
68	*/	68	*/
69	screenbuffer_t screenbuffer_init(screenbuffer_t scr, int size_x, int size_y)	69	screenbuffer_t screenbuffer_init(screenbuffer_t scr, size_t size_x, size_t size_y)
70	{	70	{
71	scr->buffer = (keyfield_t ) malloc(sizeof(keyfield_t) size_x * size_y);	71	scr->buffer = (keyfield_t ) malloc(sizeof(keyfield_t) size_x * size_y);
72	if (!scr->buffer)	72	if (!scr->buffer)
73	return NULL;	73	return NULL;
74		74
Line 88...	Line 88...
88	* @param scr Screenbuffer	88	* @param scr Screenbuffer
89	*	89	*
90	*/	90	*/
91	void screenbuffer_clear(screenbuffer_t *scr)	91	void screenbuffer_clear(screenbuffer_t *scr)
92	{	92	{
93	unsigned int i;	93	size_t i;
94		94
95	for (i = 0; i < (scr->size_x * scr->size_y); i++) {	95	for (i = 0; i < (scr->size_x * scr->size_y); i++) {
96	scr->buffer[i].character = ' ';	96	scr->buffer[i].character = ' ';
97	scr->buffer[i].attrs = scr->attrs;	97	scr->buffer[i].attrs = scr->attrs;
98	}	98	}
99		99
100	scr->top_line = 0;	100	scr->top_line = 0;
101	scr->position_y = 0;	-
102	scr->position_x = 0;	101	scr->position_x = 0;
-		102	scr->position_y = 0;
103	}	103	}
104		104
105	/** Clear one buffer line.	105	/** Clear one buffer line.
106	*	106	*
107	* @param scr	107	* @param scr
108	* @param line One buffer line (not a screen line!)	108	* @param line One buffer line (not a screen line!)
109	*	109	*
110	*/	110	*/
111	void screenbuffer_clear_line(screenbuffer_t *scr, unsigned int line)	111	void screenbuffer_clear_line(screenbuffer_t *scr, size_t line)
112	{	112	{
113	unsigned int i;	113	size_t x;
114		114
115	for (i = 0; i < scr->size_x; i++) {	115	for (x = 0; x < scr->size_x; x++) {
116	scr->buffer[i + line * scr->size_x].character = ' ';	116	scr->buffer[x + line * scr->size_x].character = ' ';
117	scr->buffer[i + line * scr->size_x].attrs = scr->attrs;	117	scr->buffer[x + line * scr->size_x].attrs = scr->attrs;
118	}	118	}
119	}	119	}
120		120
121	/** Copy content buffer from screenbuffer to given memory.	121	/** Copy content buffer from screenbuffer to given memory.
122	*	122	*
123	* @param scr Source screenbuffer	123	* @param scr Source screenbuffer
124	* @param dest Destination	124	* @param dest Destination
125	*	125	*
126	*/	126	*/
127	void screenbuffer_copy_buffer(screenbuffer_t scr, keyfield_t dest)	127	void screenbuffer_copy_buffer(screenbuffer_t scr, keyfield_t dest)
128	{	128	{
129	unsigned int i;	129	size_t i;
130		130
131	for (i = 0; i < scr->size_x * scr->size_y; i++)	131	for (i = 0; i < (scr->size_x * scr->size_y); i++)
132	dest[i] = scr->buffer[i];	132	dest[i] = scr->buffer[i];
133	}	133	}
134		134
135	/** Set new cursor position in screenbuffer.	135	/** Set new cursor position in screenbuffer.
136	*	136	*
137	* @param scr	137	* @param scr
138	* @param x	138	* @param x
139	* @param y	139	* @param y
140	*	140	*
141	*/	141	*/
142	void screenbuffer_goto(screenbuffer_t *scr, unsigned int x, unsigned int y)	142	void screenbuffer_goto(screenbuffer_t *scr, size_t x, size_t y)
143	{	143	{
144	scr->position_x = x % scr->size_x;	144	scr->position_x = x % scr->size_x;
145	scr->position_y = y % scr->size_y;	145	scr->position_y = y % scr->size_y;
146	}	146	}
147		147
Line 150...	Line 150...
150	* @param scr	150	* @param scr
151	* @param fg_color	151	* @param fg_color
152	* @param bg_color	152	* @param bg_color
153	*	153	*
154	*/	154	*/
155	void screenbuffer_set_style(screenbuffer_t *scr, int style)	155	void screenbuffer_set_style(screenbuffer_t *scr, uint8_t style)
156	{	156	{
157	scr->attrs.t = at_style;	157	scr->attrs.t = at_style;
158	scr->attrs.a.s.style = style;	158	scr->attrs.a.s.style = style;
159	}	159	}
160		160
Line 163...	Line 163...
163	* @param scr	163	* @param scr
164	* @param fg_color	164	* @param fg_color
165	* @param bg_color	165	* @param bg_color
166	*	166	*
167	*/	167	*/
168	void screenbuffer_set_color(screenbuffer_t *scr, unsigned int fg_color, unsigned int bg_color, unsigned int flags)	168	void screenbuffer_set_color(screenbuffer_t *scr, uint8_t fg_color, uint8_t bg_color, uint8_t flags)
169	{	169	{
170	scr->attrs.t = at_idx;	170	scr->attrs.t = at_idx;
171	scr->attrs.a.i.fg_color = fg_color;	171	scr->attrs.a.i.fg_color = fg_color;
172	scr->attrs.a.i.bg_color = bg_color;	172	scr->attrs.a.i.bg_color = bg_color;
173	scr->attrs.a.i.flags = flags;	173	scr->attrs.a.i.flags = flags;
Line 178...	Line 178...
178	* @param scr	178	* @param scr
179	* @param fg_color	179	* @param fg_color
180	* @param bg_color	180	* @param bg_color
181	*	181	*
182	*/	182	*/
183	void screenbuffer_set_rgb_color(screenbuffer_t *scr, unsigned int fg_color, unsigned int bg_color)	183	void screenbuffer_set_rgb_color(screenbuffer_t *scr, uint32_t fg_color, uint32_t bg_color)
184	{	184	{
185	scr->attrs.t = at_rgb;	185	scr->attrs.t = at_rgb;
186	scr->attrs.a.r.fg_color = fg_color;	186	scr->attrs.a.r.fg_color = fg_color;
187	scr->attrs.a.r.bg_color = bg_color;	187	scr->attrs.a.r.bg_color = bg_color;
188	}	188	}

Subversion Repositories HelenOS

(root)/trunk/uspace/srv/console/screenbuffer.c @ 4427 – Rev 4421 → 4456