53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
/**
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* Testing all effects
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*/
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#include "gd.h"
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#include "gdtest.h"
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int main()
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{
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gdImagePtr im;
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int effects[] = {
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gdEffectReplace, gdEffectAlphaBlend, gdEffectNormal,
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gdEffectOverlay, gdEffectMultiply
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};
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int red[3], blue[3];
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int x, y, i, j;
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char *path;
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red[0] = gdTrueColorAlpha(0, 0, 255, 127);
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red[1] = gdTrueColorAlpha(0, 0, 255, 63);
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red[2] = gdTrueColorAlpha(0, 0, 255, 0);
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blue[0] = gdTrueColorAlpha(255, 0, 0, 127);
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blue[1] = gdTrueColorAlpha(255, 0, 0, 63);
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blue[2] = gdTrueColorAlpha(255, 0, 0, 0);
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im = gdImageCreateTrueColor(120, 180);
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gdImageAlphaBlending(im, gdEffectReplace);
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for (j = 0; j < 3; j++) {
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y = 60 * j;
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gdImageFilledRectangle(im, 0,y, 119,y+59, red[j]);
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}
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for (i = 0; i < 5; i++) {
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x = 20 * i;
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gdImageAlphaBlending(im, effects[i]);
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for (j = 0; j < 9; j++) {
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y = 20 * j;
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gdImageFilledRectangle(im, x+20,y, x+39,y+19, blue[j % 3]);
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}
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}
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gdImageSaveAlpha(im, 1);
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path = gdTestFilePath2("gdimagesetpixel", "alphablending_exp.png");
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gdAssertImageEqualsToFile(path, im);
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gdFree(path);
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gdImageDestroy(im);
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return gdNumFailures();
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}
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