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/*
* Copyright 2014 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include <SDL/SDL.h>
#include <assert.h>
#include <stdint.h>
#define width 320
#define height 240
int main() {
SDL_Rect rect = {0, 0, width, height};
SDL_Rect firstRect = {10, 10, 50, 100};
SDL_Rect secondRect = {30, 50, 100, 100};
SDL_Rect firstRectForFill = {240 + 10, 10, 50, 100};
SDL_Rect secondRectForFill = {240 + 30, 50, 100, 100};
SDL_Rect rectForTest = {0, 0, 0, 0};
SDL_Rect lastRect = { 100, 150, 120, 40};
SDL_Init(SDL_INIT_VIDEO);
SDL_Surface *dst = SDL_SetVideoMode(width, height, 32, SDL_HWSURFACE);
SDL_Surface *src = SDL_CreateRGBSurface(0, width, height, 32,
0x000000ff,
0x0000ff00,
0x00ff0000,
0xff000000);
/* Fill dst with yellow color */
SDL_FillRect(src, &rect, SDL_MapRGB(src->format, 255, 255, 0));
SDL_FillRect(dst, &rect, SDL_MapRGB(dst->format, 0, 0, 0));
SDL_SetClipRect(dst, NULL);
SDL_BlitSurface(src, &rect, dst, &rect);
/* Draw red on dst */
SDL_FillRect(src, &rect, SDL_MapRGB(src->format, 255, 0, 0));
SDL_SetClipRect(dst, &firstRect);
SDL_BlitSurface(src, &rect, dst, &rect);
assert(rect.x = firstRect.x);
assert(rect.y = firstRect.y);
assert(rect.w = firstRect.w);
assert(rect.h = firstRect.h);
/* Draw green rect on red rect */
SDL_FillRect(src, &rect, SDL_MapRGB(src->format, 0, 255, 0));
SDL_SetClipRect(dst, &secondRect);
SDL_BlitSurface(src, &rect, dst, &rect);
assert(rect.x = secondRect.x);
assert(rect.y = secondRect.y);
assert(rect.w = firstRect.x + firstRect.w);
assert(rect.h = firstRect.h + firstRect.h);
/* Same with fill rect */
rect.x = 0; rect.y = 0;
rect.w = width; rect.h = height;
SDL_SetClipRect(dst, &firstRectForFill);
SDL_FillRect(dst, &rect, SDL_MapRGB(dst->format, 0, 0, 255));
assert(rect.x = firstRectForFill.x);
assert(rect.y = firstRectForFill.y);
assert(rect.w = firstRectForFill.w);
assert(rect.h = firstRectForFill.h);
SDL_SetClipRect(dst, &secondRectForFill);
SDL_FillRect(dst, &rect, SDL_MapRGBA(dst->format, 255, 0, 255, 255));
assert(rect.x = secondRectForFill.x);
assert(rect.y = secondRectForFill.y);
assert(rect.w = firstRectForFill.x + firstRectForFill.w);
assert(rect.h = firstRectForFill.h + firstRectForFill.h);
SDL_GetClipRect(dst, &rectForTest);
assert(rectForTest.x == 270);
assert(rectForTest.y == 50);
assert(rectForTest.w == 50);
assert(rectForTest.h == 100);
SDL_SetClipRect(dst, 0);
SDL_FillRect(dst, &lastRect, SDL_MapRGBA(dst->format, 255, 0, 0, 255));
SDL_UpdateRect(dst, 0, 0, width, height);
printf("There should be yellow background\n");
printf("One the left side there should be red rect with green rect inside\n");
printf("One the right side there should be blue rect with pink rect inside\n");
SDL_Quit();
return 0;
}
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