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