pandory500/SDL-mirror
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.

Browse source 
--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404438
This commit is contained in:
Sam Lantinga 2010-01-21 06:21:52 +00:00
parent d7496843fc
commit a0e019f786
73 changed files with 854 additions and 1068 deletions
Download patch file Download diff file Expand all files Collapse all files

20
Xcode-iPhoneOS/Demos/src/touch.c
View file

@ -11,7 +11,7 @@
#define BRUSH_SIZE 32 /* width and height of the brush */
#define PIXELS_PER_ITERATION 5 /* number of pixels between brush blots when forming a line */
static SDL_TextureID brushID = 0; /* texture for the brush */
static SDL_Texture *brush = 0; /* texture for the brush */
/*
draws a line from (startx, starty) to (startx + dx, starty + dy)
@ -43,7 +43,7 @@ drawLine(float startx, float starty, float dx, float dy)
x += dx_prime;
y += dy_prime;
/* draw brush blot */
SDL_RenderCopy(brushID, NULL, &dstRect);
SDL_RenderCopy(brush, NULL, &dstRect);
}
}
@ -58,16 +58,16 @@ initializeTexture()
if (bmp_surface == NULL) {
fatalError("could not load stroke.bmp");
}
brushID =
brush =
SDL_CreateTextureFromSurface(SDL_PIXELFORMAT_ABGR8888, bmp_surface);
SDL_FreeSurface(bmp_surface);
if (brushID == 0) {
if (brush == 0) {
fatalError("could not create brush texture");
}
/* additive blending -- laying strokes on top of eachother makes them brighter */
SDL_SetTextureBlendMode(brushID, SDL_BLENDMODE_ADD);
SDL_SetTextureBlendMode(brush, SDL_BLENDMODE_ADD);
/* set brush color (red) */
SDL_SetTextureColorMod(brushID, 255, 100, 100);
SDL_SetTextureColorMod(brush, 255, 100, 100);
}
int
@ -77,7 +77,7 @@ main(int argc, char *argv[])
int x, y, dx, dy; /* mouse location */
Uint8 state; /* mouse (touch) state */
SDL_Event event;
SDL_WindowID windowID; /* main window */
SDL_Window *window; /* main window */
int done; /* does user want to quit? */
/* initialize SDL */
@ -86,10 +86,10 @@ main(int argc, char *argv[])
}
/* create main window and renderer */
windowID = SDL_CreateWindow(NULL, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT,
window = SDL_CreateWindow(NULL, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT,
SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN |
SDL_WINDOW_BORDERLESS);
SDL_CreateRenderer(windowID, 0, 0);
SDL_CreateRenderer(window, 0, 0);
/*load brush texture */
initializeTexture();
@ -118,7 +118,7 @@ main(int argc, char *argv[])
}
/* cleanup */
SDL_DestroyTexture(brushID);
SDL_DestroyTexture(brush);
SDL_Quit();
return 0;