This commit is contained in:
Yifu Yu 2015-01-08 06:01:39 +00:00
commit 67776d4660
4 changed files with 35 additions and 3 deletions

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Tests/fonts/DejaVuSans.ttf Normal file

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@ -0,0 +1,21 @@
from helper import unittest, PillowTestCase
from PIL import Image, ImageFont, ImageDraw
class TestImageFontBitmap(PillowTestCase):
def test_similar(self):
text = 'EmbeddedBitmap'
font_outline = ImageFont.truetype(font='Tests/fonts/DejaVuSans.ttf', size=24)
font_bitmap = ImageFont.truetype(font='Tests/fonts/DejaVuSans-bitmap.ttf', size=24)
size_outline, size_bitmap = font_outline.getsize(text), font_bitmap.getsize(text)
size_final = max(size_outline[0], size_bitmap[0]), max(size_outline[1], size_bitmap[1])
im_bitmap = Image.new('RGB', size_final, (255, 255, 255))
im_outline = im_bitmap.copy()
draw_bitmap, draw_outline = ImageDraw.Draw(im_bitmap), ImageDraw.Draw(im_outline)
# Don't know why, but bitmap version is always vertical 1 pixel longer than outline one on my PC.
# Revert back to both 0, 0
draw_bitmap.text((0, 0), text, fill=(0, 0, 0), font=font_bitmap)
draw_outline.text((0, 0), text, fill=(0, 0, 0), font=font_outline)
self.assert_image_similar(im_bitmap, im_outline, 0.01)
if __name__ == '__main__':
unittest.main()

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@ -18,6 +18,17 @@
* Copyright (c) 1998-2007 by Secret Labs AB
*/
/*
* Notes:
* Currently, embedded bitmap fonts within truetype fonts do not work
* properly (see issue #891), truetype fonts are loaded with
* FT_LOAD_NO_BITMAP load flags, resulting in embedded bitmap fonts
* not being used.
*
* Yifu Yu<root@jackyyf.com>
* 2014-10-15
*/
#include "Python.h"
#include "Imaging.h"
@ -243,7 +254,7 @@ font_getsize(FontObject* self, PyObject* args)
&delta);
x += delta.x;
}
error = FT_Load_Glyph(face, index, FT_LOAD_DEFAULT);
error = FT_Load_Glyph(face, index, FT_LOAD_DEFAULT|FT_LOAD_NO_BITMAP);
if (error)
return geterror(error);
if (i == 0)
@ -316,7 +327,7 @@ font_getabc(FontObject* self, PyObject* args)
int index, error;
face = self->face;
index = FT_Get_Char_Index(face, ch);
error = FT_Load_Glyph(face, index, FT_LOAD_DEFAULT);
error = FT_Load_Glyph(face, index, FT_LOAD_DEFAULT|FT_LOAD_NO_BITMAP);
if (error)
return geterror(error);
a = face->glyph->metrics.horiBearingX / 64.0;
@ -364,7 +375,7 @@ font_render(FontObject* self, PyObject* args)
im = (Imaging) id;
load_flags = FT_LOAD_RENDER;
load_flags = FT_LOAD_RENDER|FT_LOAD_NO_BITMAP;
if (mask)
load_flags |= FT_LOAD_TARGET_MONO;