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authorGrigori Goronzy <greg@blackbox>2011-06-13 23:15:27 +0200
committerGrigori Goronzy <greg@blackbox>2011-06-13 23:17:28 +0200
commit2f9733ef09e6a6c57697c442e8a697728a25677c (patch)
tree9253933cdeb1d92273a6b560017852453795a4da /libass/ass_font.c
parent2c1c093253daf69b2244f654893456ff7f80fa27 (diff)
downloadlibass-2f9733ef09e6a6c57697c442e8a697728a25677c.tar.bz2
libass-2f9733ef09e6a6c57697c442e8a697728a25677c.tar.xz
Stroker: process outlines directly
Diffstat (limited to 'libass/ass_font.c')
-rw-r--r--libass/ass_font.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/libass/ass_font.c b/libass/ass_font.c
index a80c0a0..7b55e81 100644
--- a/libass/ass_font.c
+++ b/libass/ass_font.c
@@ -606,9 +606,9 @@ static int get_contour_direction(FT_Vector *points, int start, int end)
* \brief Fix-up stroker result for huge borders by removing inside contours
* that would reverse in size
*/
-void fix_freetype_stroker(FT_OutlineGlyph glyph, int border_x, int border_y)
+void fix_freetype_stroker(FT_Outline *outline, int border_x, int border_y)
{
- int nc = glyph->outline.n_contours;
+ int nc = outline->n_contours;
int begin, stop;
char modified = 0;
char *valid_cont = malloc(nc);
@@ -618,14 +618,14 @@ void fix_freetype_stroker(FT_OutlineGlyph glyph, int border_x, int border_y)
int i, j;
int inside_direction;
- inside_direction = FT_Outline_Get_Orientation(&glyph->outline) ==
+ inside_direction = FT_Outline_Get_Orientation(outline) ==
FT_ORIENTATION_TRUETYPE;
// create a list of cboxes of the contours
for (i = 0; i < nc; i++) {
start = end + 1;
- end = glyph->outline.contours[i];
- get_contour_cbox(&boxes[i], glyph->outline.points, start, end);
+ end = outline->contours[i];
+ get_contour_cbox(&boxes[i], outline->points, start, end);
}
// for each contour, check direction and whether it's "outside"
@@ -633,8 +633,8 @@ void fix_freetype_stroker(FT_OutlineGlyph glyph, int border_x, int border_y)
end = -1;
for (i = 0; i < nc; i++) {
start = end + 1;
- end = glyph->outline.contours[i];
- int dir = get_contour_direction(glyph->outline.points, start, end);
+ end = outline->contours[i];
+ int dir = get_contour_direction(outline->points, start, end);
valid_cont[i] = 1;
if (dir == inside_direction) {
for (j = 0; j < nc; j++) {
@@ -650,19 +650,19 @@ void fix_freetype_stroker(FT_OutlineGlyph glyph, int border_x, int border_y)
* inside of - assume the font is buggy and it should be
* an "outside" contour, and reverse it */
for (j = 0; j < (end + 1 - start) / 2; j++) {
- FT_Vector temp = glyph->outline.points[start + j];
- char temp2 = glyph->outline.tags[start + j];
- glyph->outline.points[start + j] = glyph->outline.points[end - j];
- glyph->outline.points[end - j] = temp;
- glyph->outline.tags[start + j] = glyph->outline.tags[end - j];
- glyph->outline.tags[end - j] = temp2;
+ FT_Vector temp = outline->points[start + j];
+ char temp2 = outline->tags[start + j];
+ outline->points[start + j] = outline->points[end - j];
+ outline->points[end - j] = temp;
+ outline->tags[start + j] = outline->tags[end - j];
+ outline->tags[end - j] = temp2;
}
dir ^= 1;
}
check_inside:
if (dir == inside_direction) {
FT_BBox box;
- get_contour_cbox(&box, glyph->outline.points, start, end);
+ get_contour_cbox(&box, outline->points, start, end);
int width = box.xMax - box.xMin;
int height = box.yMax - box.yMin;
if (width < border_x * 2 || height < border_y * 2) {
@@ -677,12 +677,12 @@ void fix_freetype_stroker(FT_OutlineGlyph glyph, int border_x, int border_y)
for (i = 0; i < nc; i++) {
if (valid_cont[i])
continue;
- begin = (i == 0) ? 0 : glyph->outline.contours[i - 1] + 1;
- stop = glyph->outline.contours[i];
+ begin = (i == 0) ? 0 : outline->contours[i - 1] + 1;
+ stop = outline->contours[i];
for (j = begin; j <= stop; j++) {
- glyph->outline.points[j].x = 0;
- glyph->outline.points[j].y = 0;
- glyph->outline.tags[j] = 0;
+ outline->points[j].x = 0;
+ outline->points[j].y = 0;
+ outline->tags[j] = 0;
}
}
}