pjs/gfx/cairo/max-font-size.patch

37 строки
1.0 KiB
Diff
Исходник Обычный вид История

diff --git a/src/cairo-ft-font.c b/src/cairo-ft-font.c
index 59a5acb..8851387 100644
--- a/src/cairo-ft-font.c
+++ b/src/cairo-ft-font.c
@@ -62,6 +62,10 @@
*/
#define MAX_OPEN_FACES 10
+/* This is the maximum font size we allow to be passed to FT_Set_Char_Size
+ */
+#define MAX_FONT_SIZE 1000
+
/*
* The simple 2x2 matrix is converted into separate scale and shape
* factors so that hinting works right
@@ -643,9 +647,18 @@ _cairo_ft_unscaled_font_set_scale (cairo
FT_Set_Transform(unscaled->face, &mat, NULL);
if ((unscaled->face->face_flags & FT_FACE_FLAG_SCALABLE) != 0) {
+ double x_scale = sf.x_scale;
+ double y_scale = sf.y_scale;
+ if (x_scale > MAX_FONT_SIZE) {
+ x_scale = MAX_FONT_SIZE;
+ }
+ if (y_scale > MAX_FONT_SIZE) {
+ y_scale = MAX_FONT_SIZE;
+ }
+
error = FT_Set_Char_Size (unscaled->face,
- sf.x_scale * 64.0,
- sf.y_scale * 64.0,
+ x_scale * 64.0,
+ y_scale * 64.0,
0, 0);
assert (error == 0);
} else {