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This commit is contained in:
Dana Jansens 2003-01-18 02:25:32 +00:00
parent 1a5fb96b41
commit 5b52a8f561
1 changed files with 110 additions and 15 deletions
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125
otk/truerendercontrol.cc
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@ -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;
// 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)
*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;
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);