WebSVN – HelenOS-historic – Diff – /uspace/trunk/fb/ega.c

 /*
  * Copyright (C) 2006 Ondrej Palkovsky
  * All rights reserved.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
+ *
  * - Redistributions of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
  * - Redistributions in binary form must reproduce the above copyright
  *   notice, this list of conditions and the following disclaimer in the
  *   documentation and/or other materials provided with the distribution.
  * - The name of the author may not be used to endorse or promote products
  *   derived from this software without specific prior written permission.
+ *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include <align.h>
 #include <async.h>
 #include <ipc/ipc.h>
 #include <errno.h>
 #include <stdio.h>
 #include <ddi.h>
 #include <sysinfo.h>
 #include <as.h>
 #include <ipc/fb.h>
 #include <ipc/ipc.h>
 #include <ipc/ns.h>
 #include <ipc/services.h>
 #include "ega.h"
+#include "../console/screenbuffer.h"
+#include "main.h"
 /* Allow only 1 connection */
 static int client_connected = 0;
 static unsigned int scr_width;
 static unsigned int scr_height;
 static char *scr_addr;
+static unsigned int style = 0x0f;
 static void clrscr(void)
+{
     int i;
-    for (i=0; i < scr_width*scr_height; i++)
+    for (i=0; i < scr_width*scr_height; i++) {
         scr_addr[i*2] = ' ';
+        scr_addr[i*2+1] = style;
+    }
+}
 static void printchar(char c, unsigned int row, unsigned int col)
+{
     scr_addr[(row*scr_width + col)*2] = c;
+    scr_addr[(row*scr_width + col)*2+1] = style;
+}
+static void draw_text_data(keyfield_t *data)
+{
+    int i;
+    for (i=0; i < scr_width*scr_height; i++) {
+        scr_addr[i*2] = data[i].character;
+        if (data[i].style.fg_color > data[i].style.bg_color)
+            scr_addr[i*2+1] = 0x0f;
+        else
+            scr_addr[i*2+1] = 0xf0;
+    }
+}
 static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall)
+{
     int retval;
     ipc_callid_t callid;
     ipc_call_t call;
     char c;
     unsigned int row, col;
+    int bgcolor,fgcolor;
+    keyfield_t *interbuf = NULL;
+    size_t intersize = 0;
     if (client_connected) {
         ipc_answer_fast(iid, ELIMIT, 0,0);
         return;
+    }
     client_connected = 1;
     ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
     while (1) {
         callid = async_get_call(&call);
         switch (IPC_GET_METHOD(call)) {
         case IPC_M_PHONE_HUNGUP:
             client_connected = 0;
             ipc_answer_fast(callid,0,0,0);
             return; /* Exit thread */
+        case IPC_M_AS_AREA_SEND:
+            /* We accept one area for data interchange */
+            intersize = IPC_GET_ARG2(call);
+            if (intersize >= scr_width*scr_height*sizeof(*interbuf)) {
+                receive_comm_area(callid,&call,(void **)&interbuf, scr_width*scr_height*sizeof(*interbuf));
+                continue;
+            }
+            retval = EINVAL;
+            break;
+        case FB_DRAW_TEXT_DATA:
+            if (!interbuf) {
+                retval = EINVAL;
+                break;
+            }
+            draw_text_data(interbuf);
+            retval = 0;
+            break;
         case FB_GET_CSIZE:
             ipc_answer_fast(callid, 0, scr_height, scr_width);
             continue;
         case FB_CLEAR:
             clrscr();
             retval = 0;
             break;
         case FB_PUTCHAR:
             c = IPC_GET_ARG1(call);
             row = IPC_GET_ARG2(call);
             col = IPC_GET_ARG3(call);
-            if (row >= scr_width || col >= scr_height) {
+            if (col >= scr_width || row >= scr_height) {
                 retval = EINVAL;
                 break;
+            }
             printchar(c,row,col);
             retval = 0;
             break;
+        case FB_SET_STYLE:
+            fgcolor = IPC_GET_ARG1(call);
+            bgcolor = IPC_GET_ARG2(call);
+            if (fgcolor > bgcolor)
+                style = 0x0f;
+            else
+                style = 0xf0;
         default:
             retval = ENOENT;
+        }
         ipc_answer_fast(callid,retval,0,0);
+    }
+}
 int ega_init(void)
+{
     void *ega_ph_addr;
     size_t sz;
     ega_ph_addr=(void *)sysinfo_value("fb.address.physical");
     scr_width=sysinfo_value("fb.width");
     scr_height=sysinfo_value("fb.height");
     sz = scr_width*scr_height*2;
     scr_addr = as_get_mappable_page(sz);
     map_physmem(ega_ph_addr, scr_addr, ALIGN_UP(sz,PAGE_SIZE)>>PAGE_WIDTH,
             AS_AREA_READ | AS_AREA_WRITE);
     async_set_client_connection(ega_client_connection);
     clrscr();
     return 0;
+}

Subversion Repositories HelenOS-historic

(root)/uspace/trunk/fb/ega.c – Rev 1530 → 1534