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| author | Manuel Giraud <manuel@ledu-giraud.fr> | 2022-12-13 10:10:03 +0100 |
|---|---|---|
| committer | Eli Zaretskii <eliz@gnu.org> | 2022-12-16 17:47:37 +0200 |
| commit | dc78779c0cd1f057830458f341c280ddb6695409 (patch) | |
| tree | e0d91eabc48cc8883e1d2223ab038ef500b769fe | |
| parent | 10415d9651b0c85f9d6585cb789100c239c532b4 (diff) | |
| download | emacs-dc78779c0cd1f057830458f341c280ddb6695409.tar.gz | |
Fix SVG scaling (bug#59802)
Fix SVG scaling with librsvg>2.52 and SVG file with only one known
dimension.
* src/image.c (svg_load_image): Compute a percentage dimension with
the other known dimension.
| -rw-r--r-- | src/image.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/image.c b/src/image.c index 2436f78ac38..b881e43e951 100644 --- a/src/image.c +++ b/src/image.c @@ -11309,6 +11309,15 @@ svg_load_image (struct frame *f, struct image *img, char *contents, img->face_font_size); viewbox_height = svg_css_length_to_pixels (iheight, dpi, img->face_font_size); + + /* Here one dimension could be zero because in percent unit. + So calculate this dimension with the other. */ + if (! (0 < viewbox_width) && (iwidth.unit == RSVG_UNIT_PERCENT)) + viewbox_width = (viewbox_height * viewbox.width / viewbox.height) + * iwidth.length; + else if (! (0 < viewbox_height) && (iheight.unit == RSVG_UNIT_PERCENT)) + viewbox_height = (viewbox_width * viewbox.height / viewbox.width) + * iheight.length; } else if (has_width && has_viewbox) { |