91 строка
2.7 KiB
C
91 строка
2.7 KiB
C
#include <stdio.h>
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#include <SDL/SDL.h>
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#include <assert.h>
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#include <stdint.h>
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#define width 320
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#define height 240
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int main() {
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SDL_Rect rect = {0, 0, width, height};
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SDL_Rect firstRect = {10, 10, 50, 100};
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SDL_Rect secondRect = {30, 50, 100, 100};
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SDL_Rect firstRectForFill = {240 + 10, 10, 50, 100};
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SDL_Rect secondRectForFill = {240 + 30, 50, 100, 100};
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SDL_Rect rectForTest = {0, 0, 0, 0};
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SDL_Rect lastRect = { 100, 150, 120, 40};
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SDL_Init(SDL_INIT_VIDEO);
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SDL_Surface *dst = SDL_SetVideoMode(width, height, 32, SDL_HWSURFACE);
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SDL_Surface *src = SDL_CreateRGBSurface(0, width, height, 32,
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0x000000ff,
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0x0000ff00,
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0x00ff0000,
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0xff000000);
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/* Fill dst with yellow color */
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SDL_FillRect(src, &rect, SDL_MapRGB(src->format, 255, 255, 0));
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SDL_FillRect(dst, &rect, SDL_MapRGB(dst->format, 0, 0, 0));
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SDL_SetClipRect(dst, NULL);
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SDL_BlitSurface(src, &rect, dst, &rect);
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/* Draw red on dst */
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SDL_FillRect(src, &rect, SDL_MapRGB(src->format, 255, 0, 0));
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SDL_SetClipRect(dst, &firstRect);
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SDL_BlitSurface(src, &rect, dst, &rect);
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assert(rect.x = firstRect.x);
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assert(rect.y = firstRect.y);
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assert(rect.w = firstRect.w);
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assert(rect.h = firstRect.h);
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/* Draw green rect on red rect */
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SDL_FillRect(src, &rect, SDL_MapRGB(src->format, 0, 255, 0));
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SDL_SetClipRect(dst, &secondRect);
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SDL_BlitSurface(src, &rect, dst, &rect);
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assert(rect.x = secondRect.x);
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assert(rect.y = secondRect.y);
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assert(rect.w = firstRect.x + firstRect.w);
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assert(rect.h = firstRect.h + firstRect.h);
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/* Same with fill rect */
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rect.x = 0; rect.y = 0;
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rect.w = width; rect.h = height;
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SDL_SetClipRect(dst, &firstRectForFill);
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SDL_FillRect(dst, &rect, SDL_MapRGB(dst->format, 0, 0, 255));
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assert(rect.x = firstRectForFill.x);
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assert(rect.y = firstRectForFill.y);
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assert(rect.w = firstRectForFill.w);
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assert(rect.h = firstRectForFill.h);
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SDL_SetClipRect(dst, &secondRectForFill);
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SDL_FillRect(dst, &rect, SDL_MapRGBA(dst->format, 255, 0, 255, 255));
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assert(rect.x = secondRectForFill.x);
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assert(rect.y = secondRectForFill.y);
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assert(rect.w = firstRectForFill.x + firstRectForFill.w);
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assert(rect.h = firstRectForFill.h + firstRectForFill.h);
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SDL_GetClipRect(dst, &rectForTest);
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assert(rectForTest.x == 270);
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assert(rectForTest.y == 50);
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assert(rectForTest.w == 50);
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assert(rectForTest.h == 100);
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SDL_SetClipRect(dst, 0);
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SDL_FillRect(dst, &lastRect, SDL_MapRGBA(dst->format, 255, 0, 0, 255));
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SDL_UpdateRect(dst, 0, 0, width, height);
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printf("There should be yellow background\n");
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printf("One the left side there should be red rect with green rect inside\n");
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printf("One the right side there should be blue rect with pink rect inside\n");
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SDL_Quit();
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return 0;
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}
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