1 /**
2 * Regression test for <https://github.com/libgd/libgd/issues/315>
3 *
4 * We're testing that a single-pointed gdImageAALine() is drawn as a single
5 * non-antialized pixel, according to (two-pointed) vertical and horizontal
6 * lines.
7 */
8
9 #include "gd.h"
10 #include "gdtest.h"
11
main()12 int main()
13 {
14 gdImagePtr im;
15 int white, black;
16 char *path;
17
18 im = gdImageCreateTrueColor(6, 6);
19 white = gdImageColorAllocate(im, 255, 255, 255);
20 black = gdImageColorAllocate(im, 0, 0, 0);
21 gdImageFilledRectangle(im, 0,0, 5,5, white);
22
23 gdImageLine(im, 4,4, 4,4, black);
24 gdImageLine(im, 1,4, 2,4, black);
25 gdImageLine(im, 4,1, 4,2, black);
26
27 gdImageSetAntiAliased(im, black);
28 gdImageLine(im, 1,1, 1,1, gdAntiAliased);
29
30 path = gdTestFilePath2("gdimageline", "bug00315_exp.png");
31 gdAssertImageEqualsToFile(path, im);
32 gdFree(path);
33
34 gdImageDestroy(im);
35
36 return gdNumFailures();
37 }
38