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emacs-29 6cc6455e931: Fix SVG colors (bug#56182)
From: |
Alan Third |
Subject: |
emacs-29 6cc6455e931: Fix SVG colors (bug#56182) |
Date: |
Wed, 13 Sep 2023 15:20:41 -0400 (EDT) |
branch: emacs-29
commit 6cc6455e931913e42ef844c4a7d6ddcd0bf53788
Author: Alan Third <alan@idiocy.org>
Commit: Alan Third <alan@idiocy.org>
Fix SVG colors (bug#56182)
* src/image.c (svg_load_image): Reverse the R and B bytes in the
Windows colors before using them to generate the SVG.
---
src/image.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/src/image.c b/src/image.c
index 8ee802a9d62..c717ac88dca 100644
--- a/src/image.c
+++ b/src/image.c
@@ -11423,6 +11423,18 @@ svg_load_image (struct frame *f, struct image *img,
char *contents,
img->background_valid = 1;
}
+#if HAVE_NTGUI
+ /* Windows stores the image colours in BGR format, and SVG expects
+ them in RGB. */
+ foreground = (foreground & 0x0000FF) << 16
+ | (foreground & 0xFF0000) >> 16
+ | (foreground & 0x00FF00);
+
+ background = (background & 0x0000FF) << 16
+ | (background & 0xFF0000) >> 16
+ | (background & 0x00FF00);
+#endif
+
wrapped_contents = xmalloc (buffer_size);
if (buffer_size <= snprintf (wrapped_contents, buffer_size, wrapper,
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