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| author | Christoph M. Becker <cmbecker69@gmx.de> | 2019-03-06 00:27:16 +0100 |
|---|---|---|
| committer | Christoph M. Becker <cmbecker69@gmx.de> | 2019-03-06 00:34:40 +0100 |
| commit | 41fb0eaa116da34fa531437d5b87ca73089e4944 (patch) | |
| tree | 286abb8618e9cdec2e4ed0119f6380d60e12aeb6 /ext/gd | |
| parent | 0e836f523a9ee93ff6ca033fe962eb2d861acd64 (diff) | |
| download | php-git-41fb0eaa116da34fa531437d5b87ca73089e4944.tar.gz | |
Fix #77700: Writing truecolor images as GIF ignores interlace flag
We revert the interlace flag related part of commit ff2822a[1], since
contrary to the transparent color, the interlace flag is not retained
by `gdImageCreatePaletteFromTrueColor()`. This also matches upstream
libgd.
[1] <http://git.php.net/?p=php-src.git;a=commit;h=ff2822a82b740edb8ccf307f080bae188c200fb9>
Diffstat (limited to 'ext/gd')
| -rw-r--r-- | ext/gd/libgd/gd_gif_out.c | 2 | ||||
| -rw-r--r-- | ext/gd/tests/bug77700.phpt | 24 |
2 files changed, 25 insertions, 1 deletions
diff --git a/ext/gd/libgd/gd_gif_out.c b/ext/gd/libgd/gd_gif_out.c index 1f2a6b936a..cd4ea1529b 100644 --- a/ext/gd/libgd/gd_gif_out.c +++ b/ext/gd/libgd/gd_gif_out.c @@ -132,7 +132,7 @@ void gdImageGifCtx(gdImagePtr im, gdIOCtxPtr out) BitsPerPixel = colorstobpp(tim->colorsTotal); /* All set, let's do it. */ GIFEncode( - out, tim->sx, tim->sy, tim->interlace, 0, tim->transparent, BitsPerPixel, + out, tim->sx, tim->sy, interlace, 0, tim->transparent, BitsPerPixel, tim->red, tim->green, tim->blue, tim); if (pim) { /* Destroy palette based temporary image. */ diff --git a/ext/gd/tests/bug77700.phpt b/ext/gd/tests/bug77700.phpt new file mode 100644 index 0000000000..07b7ffbbba --- /dev/null +++ b/ext/gd/tests/bug77700.phpt @@ -0,0 +1,24 @@ +--TEST-- +Bug #77700 (Writing truecolor images as GIF ignores interlace flag) +--SKIPIF-- +<?php +if (!extension_loaded('gd')) die('skip gd extension not available'); +?> +--FILE-- +<?php +$im = imagecreatetruecolor(10, 10); +imagefilledrectangle($im, 0, 0, 9, 9, imagecolorallocate($im, 255, 255, 255)); +imageinterlace($im, 1); +imagegif($im, __DIR__ . 'bug77700.gif'); + +$im = imagecreatefromgif(__DIR__ . 'bug77700.gif'); +var_dump(imageinterlace($im)); +?> +===DONE=== +--EXPECT-- +int(1) +===DONE=== +--CLEAN-- +<?php +unlink(__DIR__ . 'bug77700.gif'); +?> |