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/**
* Basic test for gdImageBrightness()
*/
#include "gd.h"
#include "gdtest.h"
static void test_brightness(int brightness);
int main()
{
test_brightness(+100);
test_brightness(-100);
return gdNumFailures();
}
static void test_brightness(int brightness)
{
gdImagePtr im;
FILE *fp;
char basename[256];
char *path;
fp = gdTestFileOpen2("gdimagebrightness", "basic.png");
im = gdImageCreateFromPng(fp);
fclose(fp);
gdImageBrightness(im, brightness);
sprintf(basename, "basic%+03d.png", brightness);
path = gdTestFilePath2("gdimagebrightness", basename);
gdAssertImageEqualsToFile(path, im);
gdFree(path);
gdImageDestroy(im);
}
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