91 lines
3.7 KiB
Diff
91 lines
3.7 KiB
Diff
diff --git a/gfx/cairo/cairo/src/cairo-gstate.c b/gfx/cairo/cairo/src/cairo-gstate.c
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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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@@ -1673,26 +1673,31 @@ _cairo_gstate_show_text_glyphs (cairo_gs
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source_pattern = &source_pattern_stack.base;
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status = _cairo_gstate_copy_transformed_source (gstate, &source_pattern);
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if (unlikely (status))
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goto CLEANUP_GLYPHS;
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/* For really huge font sizes, we can just do path;fill instead of
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* show_glyphs, as show_glyphs would put excess pressure on the cache,
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- * and moreover, not all components below us correctly handle huge font
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- * sizes. I wanted to set the limit at 256. But alas, seems like cairo's
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+ * not all components below us correctly handle huge font sizes, and
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+ * path filling can be cheaper since parts of glyphs are likely to be
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+ * clipped out. 256 seems like a good limit. But alas, seems like cairo's
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* rasterizer is something like ten times slower than freetype's for huge
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- * sizes. So, no win just yet. For now, do it for insanely-huge sizes,
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- * just to make sure we don't make anyone unhappy. When we get a really
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- * fast rasterizer in cairo, we may want to readjust this.
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+ * sizes. So, no win just yet when we're using cairo's rasterizer.
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+ * For now, if we're using cairo's rasterizer, use path filling only
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+ * for insanely-huge sizes, just to make sure we don't make anyone
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+ * unhappy. When we get a really fast rasterizer in cairo, we may
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+ * want to readjust this. The threshold calculation is
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+ * encapsulated in _cairo_surface_get_text_path_fill_threshold.
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*
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* Needless to say, do this only if show_text_glyphs is not available. */
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if (cairo_surface_has_show_text_glyphs (gstate->target) ||
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- _cairo_scaled_font_get_max_scale (gstate->scaled_font) <= 10240) {
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+ _cairo_scaled_font_get_max_scale (gstate->scaled_font) <=
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+ _cairo_surface_get_text_path_fill_threshold (gstate->target)) {
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status = _cairo_surface_show_text_glyphs (gstate->target,
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gstate->op,
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source_pattern,
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utf8, utf8_len,
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transformed_glyphs, num_glyphs,
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transformed_clusters, num_clusters,
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cluster_flags,
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gstate->scaled_font, NULL);
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diff --git a/gfx/cairo/cairo/src/cairo-surface.c b/gfx/cairo/cairo/src/cairo-surface.c
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--- a/gfx/cairo/cairo/src/cairo-surface.c
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+++ b/gfx/cairo/cairo/src/cairo-surface.c
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@@ -1120,16 +1120,22 @@ cairo_surface_get_fallback_resolution (c
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double *y_pixels_per_inch)
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{
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if (x_pixels_per_inch)
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*x_pixels_per_inch = surface->x_fallback_resolution;
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if (y_pixels_per_inch)
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*y_pixels_per_inch = surface->y_fallback_resolution;
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}
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+int
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+_cairo_surface_get_text_path_fill_threshold (const cairo_surface_t *surface)
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+{
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+ return surface->backend->fill == NULL ? 10240 : 256;
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+}
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+
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cairo_bool_t
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_cairo_surface_has_device_transform (cairo_surface_t *surface)
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{
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return ! _cairo_matrix_is_identity (&surface->device_transform);
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}
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/**
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* _cairo_surface_acquire_source_image:
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diff --git a/gfx/cairo/cairo/src/cairoint.h b/gfx/cairo/cairo/src/cairoint.h
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--- a/gfx/cairo/cairo/src/cairoint.h
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+++ b/gfx/cairo/cairo/src/cairoint.h
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@@ -2065,16 +2065,19 @@ _cairo_surface_composite_shape_fixup_unb
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int dst_x,
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int dst_y,
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unsigned int width,
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unsigned int height);
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cairo_private cairo_bool_t
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_cairo_surface_is_opaque (const cairo_surface_t *surface);
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+cairo_private int
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+_cairo_surface_get_text_path_fill_threshold (const cairo_surface_t *surface);
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+
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cairo_private void
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_cairo_surface_set_device_scale (cairo_surface_t *surface,
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double sx,
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double sy);
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cairo_private cairo_bool_t
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_cairo_surface_has_device_transform (cairo_surface_t *surface);
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