зеркало из https://github.com/mozilla/pjs.git
44 строки
1.9 KiB
Diff
44 строки
1.9 KiB
Diff
From 28a72648ba7abe02ebd4df7234424e333b85dc9c Mon Sep 17 00:00:00 2001
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From: Behdad Esfahbod<behdad@behdad.org>
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Date: Tue, 30 Dec 2008 18:48:47 +0000
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Subject: [gstate] Change the glyph dropping safety margin from 2em to 10em
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The small margin caused bugs with math fonts. See:
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https://bugzilla.mozilla.org/show_bug.cgi?id=460023
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---
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diff --git a/src/cairo-gstate.c b/src/cairo-gstate.c
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index df7ec5c..c79e799 100644
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--- a/gfx/cairo/cairo/src/cairo-gstate.c
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+++ b/gfx/cairo/cairo/src/cairo-gstate.c
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@@ -1804,7 +1804,6 @@ _cairo_gstate_transform_glyphs_to_backend (cairo_gstate_t *gstate,
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if (num_transformed_glyphs != NULL) {
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cairo_rectangle_int_t surface_extents;
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- double scale = _cairo_scaled_font_get_max_scale (gstate->scaled_font);
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drop = TRUE;
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status = _cairo_gstate_int_clip_extents (gstate, &surface_extents);
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@@ -1814,6 +1813,7 @@ _cairo_gstate_transform_glyphs_to_backend (cairo_gstate_t *gstate,
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if (status == CAIRO_INT_STATUS_UNSUPPORTED) {
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drop = FALSE; /* unbounded surface */
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} else {
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+ double scale10 = 10 * _cairo_scaled_font_get_max_scale (gstate->scaled_font);
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if (surface_extents.width == 0 || surface_extents.height == 0) {
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/* No visible area. Don't draw anything */
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*num_transformed_glyphs = 0;
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@@ -1827,10 +1827,10 @@ _cairo_gstate_transform_glyphs_to_backend (cairo_gstate_t *gstate,
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* to device if it's going to be visible, but I'm not inclined to
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* do that now.
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*/
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- x1 = surface_extents.x - 2*scale;
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- y1 = surface_extents.y - 2*scale;
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- x2 = surface_extents.x + surface_extents.width + scale;
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- y2 = surface_extents.y + surface_extents.height + scale;
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+ x1 = surface_extents.x - scale10;
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+ y1 = surface_extents.y - scale10;
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+ x2 = surface_extents.x + (int) surface_extents.width + scale10;
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+ y2 = surface_extents.y + (int) surface_extents.height + scale10;
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}
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if (!drop)
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