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Implemented scaling in the D3D renderer

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401962
This commit is contained in:
Sam Lantinga 2006-07-19 05:45:42 +00:00
parent 9eea51e280
commit cfe0a80302
2 changed files with 49 additions and 9 deletions
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36
test/testsprite2.c
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@ -17,6 +17,7 @@ static SDL_Rect *positions;
static SDL_Rect *velocities;
static int sprite_w, sprite_h;
static SDL_TextureBlendMode blendMode = SDL_TextureBlendMode_Mask;
static SDL_TextureScaleMode scaleMode = SDL_TextureScaleMode_None;
/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
static void
@ -87,12 +88,6 @@ MoveSprites(SDL_WindowID window, SDL_TextureID sprite)
/* Move the sprite, bounce at the wall, and draw */
n = 0;
SDL_RenderFill(NULL, BACKGROUND);
/*
for (i = 0; i < num_sprites; ++i) {
position = &positions[i];
SDL_RenderFill(position, BACKGROUND);
}
*/
for (i = 0; i < num_sprites; ++i) {
position = &positions[i];
velocity = &velocities[i];
@ -108,8 +103,7 @@ MoveSprites(SDL_WindowID window, SDL_TextureID sprite)
}
/* Blit the sprite onto the screen */
SDL_RenderCopy(sprite, NULL, position, blendMode,
SDL_TextureScaleMode_None);
SDL_RenderCopy(sprite, NULL, position, blendMode, scaleMode);
}
/* Update the screen! */
@ -142,6 +136,9 @@ main(int argc, char *argv[])
if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
blendMode = SDL_TextureBlendMode_None;
consumed = 2;
} else if (SDL_strcasecmp(argv[i + 1], "mask") == 0) {
blendMode = SDL_TextureBlendMode_Mask;
consumed = 2;
} else if (SDL_strcasecmp(argv[i + 1], "blend") == 0) {
blendMode = SDL_TextureBlendMode_Blend;
consumed = 2;
@ -153,13 +150,30 @@ main(int argc, char *argv[])
consumed = 2;
}
}
} else if (SDL_strcasecmp(argv[i], "--scale") == 0) {
if (argv[i + 1]) {
if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
scaleMode = SDL_TextureScaleMode_None;
consumed = 2;
} else if (SDL_strcasecmp(argv[i + 1], "fast") == 0) {
scaleMode = SDL_TextureScaleMode_Fast;
consumed = 2;
} else if (SDL_strcasecmp(argv[i + 1], "slow") == 0) {
scaleMode = SDL_TextureScaleMode_Slow;
consumed = 2;
} else if (SDL_strcasecmp(argv[i + 1], "best") == 0) {
scaleMode = SDL_TextureScaleMode_Best;
consumed = 2;
}
}
} else if (SDL_isdigit(*argv[i])) {
num_sprites = SDL_atoi(argv[i]);
consumed = 1;
}
}
if (consumed < 0) {
fprintf(stderr, "Usage: %s %s [--blend none|blend|add|mod]",
fprintf(stderr,
"Usage: %s %s [--blend none|mask|blend|add|mod] [--scale none|fast|slow|best]",
argv[0], CommonUsage(state));
quit(1);
}
@ -192,6 +206,10 @@ main(int argc, char *argv[])
quit(2);
}
srand(time(NULL));
if (scaleMode != SDL_TextureScaleMode_None) {
sprite_w += sprite_w / 2;
sprite_h += sprite_h / 2;
}
for (i = 0; i < num_sprites; ++i) {
positions[i].x = rand() % (state->window_w - sprite_w);
positions[i].y = rand() % (state->window_h - sprite_h);