1 files changed, 42 insertions, 17 deletions

diff --git a/Build/source/libs/cairo/cairo-src/src/cairo-scaled-font.c b/Build/source/libs/cairo/cairo-src/src/cairo-scaled-font.c
index 53a370d3acc..8dff57d9533 100644
--- a/Build/source/libs/cairo/cairo-src/src/cairo-scaled-font.c
+++ b/Build/source/libs/cairo/cairo-src/src/cairo-scaled-font.c
@@ -46,12 +46,6 @@
 #include "cairo-scaled-font-private.h"
 #include "cairo-surface-backend-private.h"
 
-#if _XOPEN_SOURCE >= 600 || defined (_ISOC99_SOURCE)
-#define ISFINITE(x) isfinite (x)
-#else
-#define ISFINITE(x) ((x) * (x) >= 0.) /* check for NaNs */
-#endif
-
 /**
  * SECTION:cairo-scaled-font
  * @Title: cairo_scaled_font_t
@@ -85,7 +79,7 @@ static cairo_cache_t cairo_scaled_glyph_page_cache;
 #define CAIRO_SCALED_GLYPH_PAGE_SIZE 32
 struct _cairo_scaled_glyph_page {
     cairo_cache_entry_t cache_entry;
-
+    cairo_scaled_font_t *scaled_font;
     cairo_list_t link;
 
     unsigned int num_glyphs;
@@ -224,6 +218,9 @@ _cairo_scaled_glyph_fini (cairo_scaled_font_t *scaled_font,
 	cairo_surface_finish (scaled_glyph->recording_surface);
 	cairo_surface_destroy (scaled_glyph->recording_surface);
     }
+
+    if (scaled_glyph->color_surface != NULL)
+	cairo_surface_destroy (&scaled_glyph->color_surface->base);
 }
 
 #define ZOMBIE 0
@@ -371,7 +368,7 @@ _cairo_scaled_font_map_lock (void)
     CAIRO_MUTEX_LOCK (_cairo_scaled_font_map_mutex);
 
     if (cairo_scaled_font_map == NULL) {
-	cairo_scaled_font_map = malloc (sizeof (cairo_scaled_font_map_t));
+	cairo_scaled_font_map = _cairo_malloc (sizeof (cairo_scaled_font_map_t));
 	if (unlikely (cairo_scaled_font_map == NULL))
 	    goto CLEANUP_MUTEX_LOCK;
 
@@ -477,7 +474,7 @@ _cairo_scaled_glyph_page_pluck (void *closure)
 
     assert (! cairo_list_is_empty (&page->link));
 
-    scaled_font = (cairo_scaled_font_t *) page->cache_entry.hash;
+    scaled_font = page->scaled_font;
 
     CAIRO_MUTEX_LOCK (scaled_font->mutex);
     _cairo_scaled_glyph_page_destroy (scaled_font, page);
@@ -512,7 +509,7 @@ _cairo_scaled_font_register_placeholder_and_unlock_font_map (cairo_scaled_font_t
     if (unlikely (status))
 	return status;
 
-    placeholder_scaled_font = malloc (sizeof (cairo_scaled_font_t));
+    placeholder_scaled_font = _cairo_malloc (sizeof (cairo_scaled_font_t));
     if (unlikely (placeholder_scaled_font == NULL))
 	return _cairo_error (CAIRO_STATUS_NO_MEMORY);
 
@@ -1229,7 +1226,7 @@ _cairo_scaled_font_create_in_error (cairo_status_t status)
     CAIRO_MUTEX_LOCK (_cairo_scaled_font_error_mutex);
     scaled_font = _cairo_scaled_font_nil_objects[status];
     if (unlikely (scaled_font == NULL)) {
-	scaled_font = malloc (sizeof (cairo_scaled_font_t));
+	scaled_font = _cairo_malloc (sizeof (cairo_scaled_font_t));
 	if (unlikely (scaled_font == NULL)) {
 	    CAIRO_MUTEX_UNLOCK (_cairo_scaled_font_error_mutex);
 	    _cairo_error_throw (CAIRO_STATUS_NO_MEMORY);
@@ -1277,8 +1274,8 @@ _cairo_scaled_font_reset_static_data (void)
  * @scaled_font from being destroyed until a matching call to
  * cairo_scaled_font_destroy() is made.
  *
- * The number of references to a #cairo_scaled_font_t can be get using
- * cairo_scaled_font_get_reference_count().
+ * Use cairo_scaled_font_get_reference_count() to get the number of
+ * references to a #cairo_scaled_font_t.
  *
  * Returns: the referenced #cairo_scaled_font_t
  *
@@ -2055,7 +2052,7 @@ cairo_scaled_font_text_to_glyphs (cairo_scaled_font_t   *scaled_font,
 		    status = _cairo_error (CAIRO_STATUS_NEGATIVE_COUNT);
 		    goto DONE;
 		}
-		if (num_glyphs && *glyphs == NULL) {
+		if (*num_glyphs != 0 && *glyphs == NULL) {
 		    status = _cairo_error (CAIRO_STATUS_NULL_POINTER);
 		    goto DONE;
 		}
@@ -2065,7 +2062,7 @@ cairo_scaled_font_text_to_glyphs (cairo_scaled_font_t   *scaled_font,
 			status = _cairo_error (CAIRO_STATUS_NEGATIVE_COUNT);
 			goto DONE;
 		    }
-		    if (num_clusters && *clusters == NULL) {
+		    if (*num_clusters != 0 && *clusters == NULL) {
 			status = _cairo_error (CAIRO_STATUS_NULL_POINTER);
 			goto DONE;
 		    }
@@ -2830,13 +2827,31 @@ _cairo_scaled_glyph_set_recording_surface (cairo_scaled_glyph_t *scaled_glyph,
 	scaled_glyph->has_info &= ~CAIRO_SCALED_GLYPH_INFO_RECORDING_SURFACE;
 }
 
+void
+_cairo_scaled_glyph_set_color_surface (cairo_scaled_glyph_t *scaled_glyph,
+	                               cairo_scaled_font_t *scaled_font,
+	                               cairo_image_surface_t *surface)
+{
+    if (scaled_glyph->color_surface != NULL)
+	cairo_surface_destroy (&scaled_glyph->color_surface->base);
+
+    /* sanity check the backend glyph contents */
+    _cairo_debug_check_image_surface_is_defined (&surface->base);
+    scaled_glyph->color_surface = surface;
+
+    if (surface != NULL)
+	scaled_glyph->has_info |= CAIRO_SCALED_GLYPH_INFO_COLOR_SURFACE;
+    else
+	scaled_glyph->has_info &= ~CAIRO_SCALED_GLYPH_INFO_COLOR_SURFACE;
+}
+
 static cairo_bool_t
 _cairo_scaled_glyph_page_can_remove (const void *closure)
 {
     const cairo_scaled_glyph_page_t *page = closure;
     const cairo_scaled_font_t *scaled_font;
 
-    scaled_font = (cairo_scaled_font_t *) page->cache_entry.hash;
+    scaled_font = page->scaled_font;
     return scaled_font->cache_frozen == 0;
 }
 
@@ -2860,11 +2875,12 @@ _cairo_scaled_font_allocate_glyph (cairo_scaled_font_t *scaled_font,
         }
     }
 
-    page = malloc (sizeof (cairo_scaled_glyph_page_t));
+    page = _cairo_malloc (sizeof (cairo_scaled_glyph_page_t));
     if (unlikely (page == NULL))
 	return _cairo_error (CAIRO_STATUS_NO_MEMORY);
 
     page->cache_entry.hash = (unsigned long) scaled_font;
+    page->scaled_font = scaled_font;
     page->cache_entry.size = 1; /* XXX occupancy weighting? */
     page->num_glyphs = 0;
 
@@ -3175,3 +3191,12 @@ cairo_scaled_font_get_font_options (cairo_scaled_font_t		*scaled_font,
     _cairo_font_options_init_copy (options, &scaled_font->options);
 }
 slim_hidden_def (cairo_scaled_font_get_font_options);
+
+cairo_bool_t
+_cairo_scaled_font_has_color_glyphs (cairo_scaled_font_t *scaled_font)
+{
+    if (scaled_font->backend != NULL && scaled_font->backend->has_color_glyphs != NULL)
+        return scaled_font->backend->has_color_glyphs (scaled_font);
+    else
+       return FALSE;
+}