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Date: Fri, 15 Aug 2003 09:13:59 +0300

Browse source 
From: "Mike Gorchak"
Subject: Patches for tests and QNX6

1) graywin - added support for the gray gradient in the 15/16 bpp modes. Added SDL_VIDEOEXPOSE event handling.
2) testalpha - added support for the gray gradient in the 15/16 bpp modes.
3) testbitmap - added support for the gray gradient in the 8/15/16 bpp modes.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40692
This commit is contained in:
Sam Lantinga 2003-08-23 23:18:49 +00:00
parent dc54e92e13
commit 0cc5681acd
3 changed files with 137 additions and 37 deletions
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40
test/testbitmap.c
View file

@ -50,8 +50,13 @@ int main(int argc, char *argv[])
Uint8 video_bpp;
Uint32 videoflags;
Uint8 *buffer;
int i, done;
int i, k, done;
SDL_Event event;
Uint16 *buffer16;
Uint16 color;
Uint8 gradient;
SDL_Color palette[256];
/* Initialize SDL */
if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
@ -91,6 +96,16 @@ int main(int argc, char *argv[])
exit(2);
}
if (video_bpp==8) {
/* Set a gray colormap, reverse order from white to black */
for ( i=0; i<256; ++i ) {
palette[i].r = 255-i;
palette[i].g = 255-i;
palette[i].b = 255-i;
}
SDL_SetColors(screen, palette, 0, 256);
}
/* Set the surface pixels and refresh! */
if ( SDL_LockSurface(screen) < 0 ) {
fprintf(stderr, "Couldn't lock the display surface: %s\n",
@ -98,10 +113,25 @@ int main(int argc, char *argv[])
exit(2);
}
buffer=(Uint8 *)screen->pixels;
for ( i=0; i<screen->h; ++i ) {
memset(buffer,(i*255)/screen->h, screen->pitch);
buffer += screen->pitch;
}
if (screen->format->BytesPerPixel!=2) {
for ( i=0; i<screen->h; ++i ) {
memset(buffer,(i*255)/screen->h, screen->pitch);
buffer += screen->pitch;
}
}
else
{
for ( i=0; i<screen->h; ++i ) {
gradient=((i*255)/screen->h);
color = SDL_MapRGB(screen->format, gradient, gradient, gradient);
buffer16=(Uint16*)buffer;
for (k=0; k<screen->w; k++)
{
*(buffer16+k)=color;
}
buffer += screen->pitch;
}
}
SDL_UnlockSurface(screen);
SDL_UpdateRect(screen, 0, 0, 0, 0);