blef

1 files changed, 112 insertions, 17 deletions

diff --git a/otk/truerendercontrol.cc b/otk/truerendercontrol.cc
index 26fa06a7..95b629b1 100644
--- a/otk/truerendercontrol.cc
+++ b/otk/truerendercontrol.cc
@@ -57,6 +57,96 @@ TrueRenderControl::~TrueRenderControl()
 
 }
 
+static inline
+void assignPixel(unsigned int bit_depth, unsigned char **data,  unsigned long pixel) {
+  unsigned char *pixel_data = *data;
+  switch (bit_depth) {
+  case  8: //  8bpp
+    *pixel_data++ = pixel;
+    break;
+
+  case 16: // 16bpp LSB
+    *pixel_data++ = pixel;
+    *pixel_data++ = pixel >> 8;
+    break;
+
+  case 17: // 16bpp MSB
+    *pixel_data++ = pixel >> 8;
+    *pixel_data++ = pixel;
+    break;
+
+  case 24: // 24bpp LSB
+    *pixel_data++ = pixel;
+    *pixel_data++ = pixel >> 8;
+    *pixel_data++ = pixel >> 16;
+    break;
+
+  case 25: // 24bpp MSB
+    *pixel_data++ = pixel >> 16;
+    *pixel_data++ = pixel >> 8;
+    *pixel_data++ = pixel;
+    break;
+
+  case 32: // 32bpp LSB
+    *pixel_data++ = pixel;
+    *pixel_data++ = pixel >> 8;
+    *pixel_data++ = pixel >> 16;
+    *pixel_data++ = pixel >> 24;
+    break;
+
+  case 33: // 32bpp MSB
+    *pixel_data++ = pixel >> 24;
+    *pixel_data++ = pixel >> 16;
+    *pixel_data++ = pixel >> 8;
+    *pixel_data++ = pixel;
+    break;
+  }
+  *data = pixel_data; // assign back so we don't lose our place
+}
+
+void renderPixel(XImage *im, unsigned char *dp, unsigned long pixel)
+{
+  unsigned int bpp = im->bits_per_pixel + (im->byte_order == MSBFirst) ? 1 : 0;
+
+  printf("%lx \n", pixel);
+  
+  switch (bpp) {
+  case  8: //  8bpp
+    *dp++ = pixel;
+    break;
+  case 16: // 16bpp LSB
+    *dp++ = pixel;
+    *dp++ = pixel >> 8;
+    break;
+  case 17: // 16bpp MSB
+    *dp++ = pixel >> 8;
+    *dp++ = pixel;
+    break;
+  case 24: // 24bpp LSB
+    *dp++ = pixel;
+    *dp++ = pixel >> 8;
+    *dp++ = pixel >> 16;
+    break;
+  case 25: // 24bpp MSB
+    *dp++ = pixel >> 16;
+    *dp++ = pixel >> 8;
+    *dp++ = pixel;
+    break;
+  case 32: // 32bpp LSB
+    *dp++ = pixel;
+    *dp++ = pixel >> 8;
+    *dp++ = pixel >> 16;
+    *dp++ = pixel >> 24;
+    break;
+  case 33: // 32bpp MSB
+    *dp++ = pixel >> 24;
+    *dp++ = pixel >> 16;
+    *dp++ = pixel >> 8;
+    *dp++ = pixel;
+    break;
+  }
+}
+
 void TrueRenderControl::render(::Drawable d)
 {
   XGCValues gcv;
@@ -68,23 +158,28 @@ void TrueRenderControl::render(::Drawable d)
 			    ZPixmap, 0, NULL, w, h, 32, 0);
   //GC gc = XCreateGC(**display, _screen->rootWindow(), GCCapStyle, &gcv);
 
-  im->data = new char[im->bytes_per_line * (h + 1)]; // XXX  + 1?
-  char *dp = im->data;
-
-  for (int x = 0; x < w; ++x, ++dp)
-    *dp = 0;
-  for (int y = 0; y < 10; ++h)
-    for (int x = 0; x < w; ++x, ++dp)
-      *dp = _red_color_table[x] << _red_offset;
-  for (int y = 0; y < 10; ++h)
-    for (int x = 0; x < w; ++x, ++dp)
-      *dp = _green_color_table[x] << _green_offset;
-  for (int y = 0; y < 10; ++h)
-    for (int x = 0; x < w; ++x, ++dp)
-      *dp = _blue_color_table[x] << _blue_offset;
-  for (int x = 0; x < w; ++x, ++dp)
-    *dp = 0;
-
+  // XXX  + 1?
+  unsigned char *data = new unsigned char[im->bytes_per_line * (h + 1)];
+  unsigned char *dp = data;
+
+  for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
+    renderPixel(im, dp, 0);
+  for (int y = 0; y < 10; ++y)
+    for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
+      renderPixel(im, dp, _red_color_table[x] << _red_offset);
+  for (int y = 0; y < 10; ++y)
+    for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
+      renderPixel(im, dp, _green_color_table[x] << _green_offset);
+  for (int y = 0; y < 10; ++y)
+    for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
+      renderPixel(im, dp, _blue_color_table[x] << _blue_offset);
+  for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
+    renderPixel(im, dp, 0);
+
+  printf("\nDone\n");
+
+  im->data = (char*) data;
+  
   XPutImage(**display, p, DefaultGC(**display, _screen->screen()),
             im, 0, 0, 0, 0, w, h);