openwrt-packages/zgv/patches/030-truecolor-support.patch

Index: zgv-5.9/src/zgv.c
===================================================================
--- zgv-5.9.orig/src/zgv.c	2011-01-23 19:09:28.000000000 +0100
+++ zgv-5.9/src/zgv.c	2011-02-03 22:20:30.000000000 +0100
@@ -148,7 +148,8 @@
 
 
 /* from 18-bit RGB (as used by VGA palette) to 3:3:2 palette index */
-#define MAKE332COL(r,g,b) (((r)>>3)*32+((g)>>3)*4+((b)>>4))
+#define MAKE332COL(r,g,b) vga_setrgbcolor(((r)<<2)+2, ((g)<<2)+2, ((b)<<2)+2);
+//(((r)>>3)*32+((g)>>3)*4+((b)>>4))
 
 /* colour indicies used for filenames-only selector */
 #define LIGHT		2
@@ -254,6 +255,7 @@
 
 int fs_vgamode=G640x480x256;	/* current video mode for selector */
 int fs_scrnwide,fs_scrnhigh;	/* width/height of selector mode */
+int fs_bypp;
 
 /* stuff for checking old directories (to avoid symlink loops in
  * recursive update).
@@ -2225,6 +2227,32 @@
 return(buf);
 }
 
+static void drawscansegment_332(unsigned char *colors, int x, int y, int length)
+{
+   unsigned char *conv = colors;
+   int bypp = fs_bypp;
+
+   if (bypp > 1)
+   {
+      int i, j, k;
+      conv = malloc(length*bypp);
+      for (i = 0, j=0; i < length; i++)
+      {
+	 int c332=colors[i];
+	 int r = c332>>5, g = (c332>>2)&0x7, b = (c332&0x3);
+	 int crgb = vga_setrgbcolor((r<<5)+16,(g<<5)+16,(b<<6)+32);
+	 for (k = 0; k < bypp; k++) {
+	    conv[j++] = crgb>>(k*8) & 0xff;
+	 }
+      }
+   }
+
+   vga_drawscansegment(conv, x, y, length*(bypp < 1 ? 1 : bypp));
+   if (conv != colors)
+   { 
+      free(conv);
+   }
+}
 
 void showgifdir(int startfrom,int unshow,int drawdirmsg,int do_one_only)
 {
@@ -2317,14 +2345,12 @@
     /* load and draw thumbnail file (or undraw it) */
     if(unshow)
       {
-      image=malloc(96);
       if(image!=NULL)
         {
-        memset(image,idx_medium,96);
-        for(y=-2;y<62;y++)
-          vga_drawscansegment(image,
-          	xpos+(BARWIDTH-80)/2-2,ypos+y+GDFYBIT+9,96);
-        free(image);
+	   gl_fillbox(xpos+(BARWIDTH-80)/2-2,ypos-2+GDFYBIT+9,96,62+2, 
+		      idx_medium);
+	   gl_fillbox(xpos+(BARWIDTH-80)/2-2,ypos-2+GDFYBIT+9,96,62+2, 
+		      idx_medium);
         }
       }
     else
@@ -2370,7 +2396,7 @@
         if(image!=NULL)
           {
           for(y=0;y<h;y++)
-            vga_drawscansegment(image+y*(fs_vgamode==G640x480x16?w8:w),xwant,
+            drawscansegment_332(image+y*(fs_vgamode==G640x480x16?w8:w),xwant,
               ypos+y+GDFYBIT+39-h/2,fs_vgamode==G640x480x16?w8:w);
           free(image);
           }
@@ -2666,7 +2692,10 @@
 /* fs_vgamode is known to be valid at this point. */
 
 if(fs_vgamode!=vga_getcurrentmode())
+{
   vga_setmode(fs_vgamode);
+  gl_setcontextvga(vga_getcurrentmode());
+}
 else
   {
   /* the palette-setting makes sure we don't have a possibly-crazy palette
@@ -2678,6 +2707,7 @@
 
 fs_scrnwide=vga_getxdim();
 fs_scrnhigh=vga_getydim();
+fs_bypp=vga_getmodeinfo(vga_getcurrentmode())->bytesperpixel;
 
 msgbox_draw_ok=1;
 gdfsiz=3-cfg.smallfstext;
@@ -2734,10 +2764,11 @@
   {
   /* no-thumbnails selector */
   barheight=GDFYBIT+6;
-  idx_medium=MIDGREY; idx_dark=DARK; idx_light=LIGHT; idx_black=BLACK;
-  idx_marked=MARKEDCOL;
-  idx_blacknz=BLACK;
-  if(fs_vgamode==G640x480x16) idx_medium=0;
+  idx_medium=MAKE332COL(cfg.medium.r,cfg.medium.g,cfg.medium.b);
+  idx_dark  =MAKE332COL(cfg.dark.r  ,cfg.dark.g  ,cfg.dark.b  );
+  idx_light =MAKE332COL(cfg.light.r ,cfg.light.g ,cfg.light.b );
+  idx_black =MAKE332COL(cfg.black.r ,cfg.black.g ,cfg.black.b );
+  idx_marked=MAKE332COL(cfg.marked.r,cfg.marked.g,cfg.marked.b);
   }
 
 if(!(cfg.xvpic_index && cfg.perfectindex))
@@ -2772,14 +2803,7 @@
 
 if(idx_medium)
   {
-  /* clear screen with `medium' (i.e. background) colour. */
-  if((tmp=malloc(fs_scrnwide))!=NULL)
-    {
-    memset(tmp,idx_medium,fs_scrnwide);
-    for(n=0;n<fs_scrnhigh;n++)
-      vga_drawscanline(n,tmp);
-    free(tmp);
-    }
+     gl_clearscreen(idx_medium);
   }
 #ifndef BACKEND_SVGALIB
 else
@@ -2932,12 +2956,8 @@
 
 void clear_xvpic(int xpos,int ypos)
 {
-unsigned char tmp[96];
-int y;
-
-memset(tmp,idx_medium,96);
-for(y=-3;y<63;y++)
-  vga_drawscansegment(tmp,xpos+(BARWIDTH-80)/2-3,ypos+y+GDFYBIT+9,96);
+gl_fillbox(xpos+(BARWIDTH-80)/2-3,ypos-3+GDFYBIT+9,
+	   96, 63+3, idx_medium);
 }
 
 
Index: zgv-5.9/src/rbmenu.c
===================================================================
--- zgv-5.9.orig/src/rbmenu.c	2011-01-29 13:15:39.000000000 +0100
+++ zgv-5.9/src/rbmenu.c	2011-01-29 13:16:14.000000000 +0100
@@ -235,6 +235,8 @@
 unsigned char distnum;
 int xr,xg,xb,dist,distquan,f;
 
+return vga_setrgbcolor((r<<2)+2, (g<<2)+2, (b<<2)+2);
+
 rgb=((b<<12)|(g<<6)|r);
 distnum=0;
 distquan=20000; /* standard arbitrary bignum */