SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
--HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401938
This commit is contained in:
Sam Lantinga
parent
91a32b77a2
commit
0f030a1802
686 changed files with 117556 additions and 98661 deletions
|
|
@ -9,176 +9,174 @@
|
|||
#include "picture.xbm"
|
||||
|
||||
/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
|
||||
static void quit(int rc)
|
||||
static void
|
||||
quit(int rc)
|
||||
{
|
||||
SDL_Quit();
|
||||
exit(rc);
|
||||
SDL_Quit();
|
||||
exit(rc);
|
||||
}
|
||||
|
||||
SDL_Surface *LoadXBM(SDL_Surface *screen, int w, int h, Uint8 *bits)
|
||||
SDL_Surface *
|
||||
LoadXBM(SDL_Surface * screen, int w, int h, Uint8 * bits)
|
||||
{
|
||||
SDL_Surface *bitmap;
|
||||
Uint8 *line;
|
||||
SDL_Surface *bitmap;
|
||||
Uint8 *line;
|
||||
|
||||
/* Allocate the bitmap */
|
||||
bitmap = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 1, 0, 0, 0, 0);
|
||||
if ( bitmap == NULL ) {
|
||||
fprintf(stderr, "Couldn't allocate bitmap: %s\n",
|
||||
SDL_GetError());
|
||||
return(NULL);
|
||||
}
|
||||
/* Allocate the bitmap */
|
||||
bitmap = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 1, 0, 0, 0, 0);
|
||||
if (bitmap == NULL) {
|
||||
fprintf(stderr, "Couldn't allocate bitmap: %s\n", SDL_GetError());
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
/* Copy the pixels */
|
||||
line = (Uint8 *)bitmap->pixels;
|
||||
w = (w+7)/8;
|
||||
while ( h-- ) {
|
||||
memcpy(line, bits, w);
|
||||
/* X11 Bitmap images have the bits reversed */
|
||||
{ int i, j; Uint8 *buf, byte;
|
||||
for ( buf=line, i=0; i<w; ++i, ++buf ) {
|
||||
byte = *buf;
|
||||
*buf = 0;
|
||||
for ( j=7; j>=0; --j ) {
|
||||
*buf |= (byte&0x01)<<j;
|
||||
byte >>= 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
line += bitmap->pitch;
|
||||
bits += w;
|
||||
}
|
||||
return(bitmap);
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
SDL_Surface *screen;
|
||||
SDL_Surface *bitmap;
|
||||
Uint8 video_bpp;
|
||||
Uint32 videoflags;
|
||||
Uint8 *buffer;
|
||||
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 ) {
|
||||
fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
|
||||
return(1);
|
||||
}
|
||||
|
||||
video_bpp = 0;
|
||||
videoflags = SDL_SWSURFACE;
|
||||
while ( argc > 1 ) {
|
||||
--argc;
|
||||
if ( strcmp(argv[argc-1], "-bpp") == 0 ) {
|
||||
video_bpp = atoi(argv[argc]);
|
||||
--argc;
|
||||
} else
|
||||
if ( strcmp(argv[argc], "-warp") == 0 ) {
|
||||
videoflags |= SDL_HWPALETTE;
|
||||
} else
|
||||
if ( strcmp(argv[argc], "-hw") == 0 ) {
|
||||
videoflags |= SDL_HWSURFACE;
|
||||
} else
|
||||
if ( strcmp(argv[argc], "-fullscreen") == 0 ) {
|
||||
videoflags |= SDL_FULLSCREEN;
|
||||
} else {
|
||||
fprintf(stderr,
|
||||
"Usage: %s [-bpp N] [-warp] [-hw] [-fullscreen]\n",
|
||||
argv[0]);
|
||||
quit(1);
|
||||
}
|
||||
}
|
||||
|
||||
/* Set 640x480 video mode */
|
||||
if ( (screen=SDL_SetVideoMode(640,480,video_bpp,videoflags)) == NULL ) {
|
||||
fprintf(stderr, "Couldn't set 640x480x%d video mode: %s\n",
|
||||
video_bpp, SDL_GetError());
|
||||
quit(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",
|
||||
SDL_GetError());
|
||||
quit(2);
|
||||
}
|
||||
buffer=(Uint8 *)screen->pixels;
|
||||
if (screen->format->BytesPerPixel!=2) {
|
||||
for ( i=0; i<screen->h; ++i ) {
|
||||
memset(buffer,(i*255)/screen->h, screen->pitch);
|
||||
buffer += screen->pitch;
|
||||
}
|
||||
}
|
||||
else
|
||||
/* Copy the pixels */
|
||||
line = (Uint8 *) bitmap->pixels;
|
||||
w = (w + 7) / 8;
|
||||
while (h--) {
|
||||
memcpy(line, bits, w);
|
||||
/* X11 Bitmap images have the bits reversed */
|
||||
{
|
||||
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;
|
||||
}
|
||||
int i, j;
|
||||
Uint8 *buf, byte;
|
||||
for (buf = line, i = 0; i < w; ++i, ++buf) {
|
||||
byte = *buf;
|
||||
*buf = 0;
|
||||
for (j = 7; j >= 0; --j) {
|
||||
*buf |= (byte & 0x01) << j;
|
||||
byte >>= 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
SDL_UnlockSurface(screen);
|
||||
SDL_UpdateRect(screen, 0, 0, 0, 0);
|
||||
|
||||
/* Load the bitmap */
|
||||
bitmap = LoadXBM(screen, picture_width, picture_height,
|
||||
(Uint8 *)picture_bits);
|
||||
if ( bitmap == NULL ) {
|
||||
quit(1);
|
||||
}
|
||||
|
||||
/* Wait for a keystroke */
|
||||
done = 0;
|
||||
while ( !done ) {
|
||||
/* Check for events */
|
||||
while ( SDL_PollEvent(&event) ) {
|
||||
switch (event.type) {
|
||||
case SDL_MOUSEBUTTONDOWN: {
|
||||
SDL_Rect dst;
|
||||
|
||||
dst.x = event.button.x - bitmap->w/2;
|
||||
dst.y = event.button.y - bitmap->h/2;
|
||||
dst.w = bitmap->w;
|
||||
dst.h = bitmap->h;
|
||||
SDL_BlitSurface(bitmap, NULL,
|
||||
screen, &dst);
|
||||
SDL_UpdateRects(screen,1,&dst);
|
||||
}
|
||||
break;
|
||||
case SDL_KEYDOWN:
|
||||
/* Any key press quits the app... */
|
||||
done = 1;
|
||||
break;
|
||||
case SDL_QUIT:
|
||||
done = 1;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
SDL_FreeSurface(bitmap);
|
||||
SDL_Quit();
|
||||
return(0);
|
||||
line += bitmap->pitch;
|
||||
bits += w;
|
||||
}
|
||||
return (bitmap);
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
{
|
||||
SDL_Surface *screen;
|
||||
SDL_Surface *bitmap;
|
||||
Uint8 video_bpp;
|
||||
Uint32 videoflags;
|
||||
Uint8 *buffer;
|
||||
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) {
|
||||
fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
|
||||
return (1);
|
||||
}
|
||||
|
||||
video_bpp = 0;
|
||||
videoflags = SDL_SWSURFACE;
|
||||
while (argc > 1) {
|
||||
--argc;
|
||||
if (strcmp(argv[argc - 1], "-bpp") == 0) {
|
||||
video_bpp = atoi(argv[argc]);
|
||||
--argc;
|
||||
} else if (strcmp(argv[argc], "-warp") == 0) {
|
||||
videoflags |= SDL_HWPALETTE;
|
||||
} else if (strcmp(argv[argc], "-hw") == 0) {
|
||||
videoflags |= SDL_HWSURFACE;
|
||||
} else if (strcmp(argv[argc], "-fullscreen") == 0) {
|
||||
videoflags |= SDL_FULLSCREEN;
|
||||
} else {
|
||||
fprintf(stderr,
|
||||
"Usage: %s [-bpp N] [-warp] [-hw] [-fullscreen]\n",
|
||||
argv[0]);
|
||||
quit(1);
|
||||
}
|
||||
}
|
||||
|
||||
/* Set 640x480 video mode */
|
||||
if ((screen = SDL_SetVideoMode(640, 480, video_bpp, videoflags)) == NULL) {
|
||||
fprintf(stderr, "Couldn't set 640x480x%d video mode: %s\n",
|
||||
video_bpp, SDL_GetError());
|
||||
quit(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",
|
||||
SDL_GetError());
|
||||
quit(2);
|
||||
}
|
||||
buffer = (Uint8 *) screen->pixels;
|
||||
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);
|
||||
|
||||
/* Load the bitmap */
|
||||
bitmap = LoadXBM(screen, picture_width, picture_height,
|
||||
(Uint8 *) picture_bits);
|
||||
if (bitmap == NULL) {
|
||||
quit(1);
|
||||
}
|
||||
|
||||
/* Wait for a keystroke */
|
||||
done = 0;
|
||||
while (!done) {
|
||||
/* Check for events */
|
||||
while (SDL_PollEvent(&event)) {
|
||||
switch (event.type) {
|
||||
case SDL_MOUSEBUTTONDOWN:
|
||||
{
|
||||
SDL_Rect dst;
|
||||
|
||||
dst.x = event.button.x - bitmap->w / 2;
|
||||
dst.y = event.button.y - bitmap->h / 2;
|
||||
dst.w = bitmap->w;
|
||||
dst.h = bitmap->h;
|
||||
SDL_BlitSurface(bitmap, NULL, screen, &dst);
|
||||
SDL_UpdateRects(screen, 1, &dst);
|
||||
}
|
||||
break;
|
||||
case SDL_KEYDOWN:
|
||||
/* Any key press quits the app... */
|
||||
done = 1;
|
||||
break;
|
||||
case SDL_QUIT:
|
||||
done = 1;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
SDL_FreeSurface(bitmap);
|
||||
SDL_Quit();
|
||||
return (0);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue