aac77143dd
A bunch of these files were committed with Windows line encodings. Strip all those ^M gremlins out as people working on Windows can use git's autocrlf setting to convert back and forth as needed.
38 lines
637 B
C
38 lines
637 B
C
/**
|
|
* Basic test for gdImageContrast()
|
|
*/
|
|
|
|
#include "gd.h"
|
|
#include "gdtest.h"
|
|
|
|
static void test_contrast(double contrast);
|
|
|
|
int main()
|
|
{
|
|
test_contrast(+50.0);
|
|
test_contrast(-50.0);
|
|
|
|
return gdNumFailures();
|
|
}
|
|
|
|
static void test_contrast(double contrast)
|
|
{
|
|
gdImagePtr im;
|
|
FILE *fp;
|
|
char basename[256];
|
|
char *path;
|
|
|
|
fp = gdTestFileOpen2("gdimagecontrast", "basic.png");
|
|
im = gdImageCreateFromPng(fp);
|
|
fclose(fp);
|
|
|
|
gdImageContrast(im, contrast);
|
|
|
|
sprintf(basename, "basic%+03.0f.png", contrast);
|
|
path = gdTestFilePath2("gdimagecontrast", basename);
|
|
gdAssertImageEqualsToFile(path, im);
|
|
gdFree(path);
|
|
|
|
gdImageDestroy(im);
|
|
}
|