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Fix rendered characters have been chipped for some TrueType fonts #45

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Merged
aclark4life merged 1 commit into from
Apr 9, 2013
Merged

Fix rendered characters have been chipped for some TrueType fonts #45

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8 changes: 5 additions & 3 deletions _imagingft.c
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Original file line number Diff line number Diff line change
Expand Up @@ -282,7 +282,7 @@ font_render(FontObject* self, PyObject* args)
{
int i, x, y;
Imaging im;
int index, error, ascender;
int index, error, ascender, descender;
int load_flags;
unsigned char *source;
FT_ULong ch;
Expand Down Expand Up @@ -332,6 +332,7 @@ font_render(FontObject* self, PyObject* args)
int xx, x0, x1;
source = (unsigned char*) glyph->bitmap.buffer;
ascender = PIXEL(self->face->size->metrics.ascender);
descender = PIXEL(self->face->size->metrics.descender);
xx = x + glyph->bitmap_left;
x0 = 0;
x1 = glyph->bitmap.width;
Expand All @@ -340,7 +341,7 @@ font_render(FontObject* self, PyObject* args)
if (xx + x1 > im->xsize)
x1 = im->xsize - xx;
for (y = 0; y < glyph->bitmap.rows; y++) {
int yy = y + ascender - glyph->bitmap_top;
int yy = y + ascender + descender - glyph->bitmap_top;
if (yy >= 0 && yy < im->ysize) {
/* blend this glyph into the buffer */
unsigned char *target = im->image8[yy] + xx;
Expand All @@ -361,6 +362,7 @@ font_render(FontObject* self, PyObject* args)
int xx, x0, x1;
source = (unsigned char*) glyph->bitmap.buffer;
ascender = PIXEL(self->face->size->metrics.ascender);
descender = PIXEL(self->face->size->metrics.descender);
xx = x + glyph->bitmap_left;
x0 = 0;
x1 = glyph->bitmap.width;
Expand All @@ -369,7 +371,7 @@ font_render(FontObject* self, PyObject* args)
if (xx + x1 > im->xsize)
x1 = im->xsize - xx;
for (y = 0; y < glyph->bitmap.rows; y++) {
int yy = y + ascender - glyph->bitmap_top;
int yy = y + ascender + descender - glyph->bitmap_top;
if (yy >= 0 && yy < im->ysize) {
/* blend this glyph into the buffer */
int i;
Expand Down