From 2f9733ef09e6a6c57697c442e8a697728a25677c Mon Sep 17 00:00:00 2001 From: Grigori Goronzy Date: Mon, 13 Jun 2011 23:15:27 +0200 Subject: Stroker: process outlines directly --- libass/ass_font.c | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) (limited to 'libass/ass_font.c') 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; } } } -- cgit v1.2.3