fdo-mirrors/cairo
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/cairo/cairo.git synced 2026-02-15 17:20:29 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

SVG: fix a radial gradient failure when using CAIRO_EXTEND_REFLECT.

Browse source 
Assume from the beginning we're using a circle with a radius equal to
2 * ( r1 - r0 ) when emulating CAIRO_EXTEND_REFLECT.
This commit is contained in:
Emmanuel Pacaud 2007-03-08 21:32:59 +01:00
parent c07867c545
commit 772edc9133
1 changed files with 7 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
src/cairo-svg-surface.c
View file

@ -1501,23 +1501,23 @@ _cairo_svg_surface_emit_radial_pattern (cairo_svg_surface_t *surface,
if ((extend == CAIRO_EXTEND_REFLECT
|| extend == CAIRO_EXTEND_REPEAT)
&& r0 > 0.0) {
offset = fmod (r1, r1 - r0) / (r1 - r0) - 1.0;
r = r1 - r0;
double r_org = r1;
if (extend == CAIRO_EXTEND_REFLECT) {
r *= 2.0;
offset *= 0.5;
r1 = 2 * r1 - r0;
emulate_reflect = TRUE;
}
offset = fmod (r1, r1 - r0) / (r1 - r0) - 1.0;
r = r1 - r0;
/* New position of outer circle. */
x = r * (x1 - fx) / r1 + fx;
y = r * (y1 - fy) / r1 + fy;
x = r * (x1 - fx) / r_org + fx;
y = r * (y1 - fy) / r_org + fy;
x1 = x;
y1 = y;
r1 = r;
r0 = 0.0;
} else {
offset = r0 / r1;