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b=383960, moz cairo: max-font-size.patch

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vladimir@pobox.com 2007-08-01 23:59:30 -07:00
parent 935decd7ff
commit 594ffc2fe1
1 changed files with 15 additions and 2 deletions
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17
gfx/cairo/cairo/src/cairo-ft-font.c
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@ -64,6 +64,10 @@
*/ */
#define MAX_OPEN_FACES 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 * The simple 2x2 matrix is converted into separate scale and shape
* factors so that hinting works right * factors so that hinting works right
@ -656,9 +660,18 @@ _cairo_ft_unscaled_font_set_scale (cairo_ft_unscaled_font_t *unscaled,
FT_Set_Transform(unscaled->face, &mat, NULL); FT_Set_Transform(unscaled->face, &mat, NULL);
if ((unscaled->face->face_flags & FT_FACE_FLAG_SCALABLE) != 0) { 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, error = FT_Set_Char_Size (unscaled->face,
sf.x_scale * 64.0, x_scale * 64.0,
sf.y_scale * 64.0, y_scale * 64.0,
0, 0); 0, 0);
if (error) { if (error) {
_cairo_error (CAIRO_STATUS_NO_MEMORY); _cairo_error (CAIRO_STATUS_NO_MEMORY);