diff options
| author | Oliver Chang <ochang@chromium.org> | 2015-11-05 16:00:40 -0800 |
|---|---|---|
| committer | Oliver Chang <ochang@chromium.org> | 2015-11-05 16:00:40 -0800 |
| commit | cec3f6878e37fcd1c6c15e0e2ab011931d55549e (patch) | |
| tree | fb3a01b9b966e59f8851ea4438243b1813a951e7 /third_party/freetype/src/sfnt/pngshim.c | |
| parent | cca5b7684f48e2e933bf08ed573f7caca8e1d1ad (diff) | |
| download | pdfium-cec3f6878e37fcd1c6c15e0e2ab011931d55549e.tar.xz | |
Merge to XFA: Update bundled freetype to 2.6.1
Also adds a README.pdfium and 0000-include.patch that
details the local modifications made.
Also rolls testing/corpus to 45f88c6914fcac26ad930bb0ebbfa468c21db0a5
which includes regenerated corpus expectations.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1413673003 .
(cherry picked from commit 87ee069d05ca06f60d6cfacd9e426739d8f2053d)
Review URL: https://codereview.chromium.org/1416993005 .
Diffstat (limited to 'third_party/freetype/src/sfnt/pngshim.c')
| -rw-r--r-- | third_party/freetype/src/sfnt/pngshim.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/third_party/freetype/src/sfnt/pngshim.c b/third_party/freetype/src/sfnt/pngshim.c index 9bfcc2a779..ea60452635 100644 --- a/third_party/freetype/src/sfnt/pngshim.c +++ b/third_party/freetype/src/sfnt/pngshim.c @@ -4,7 +4,8 @@ /* */ /* PNG Bitmap glyph support. */ /* */ -/* Copyright 2013, 2014 by Google, Inc. */ +/* Copyright 2013-2015 by */ +/* Google, Inc. */ /* Written by Stuart Gill and Behdad Esfahbod. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -36,11 +37,11 @@ /* This code is freely based on cairo-png.c. There's so many ways */ /* to call libpng, and the way cairo does it is defacto standard. */ - static int - multiply_alpha( int alpha, - int color ) + static unsigned int + multiply_alpha( unsigned int alpha, + unsigned int color ) { - int temp = ( alpha * color ) + 0x80; + unsigned int temp = alpha * color + 0x80; return ( temp + ( temp >> 8 ) ) >> 8; @@ -81,10 +82,10 @@ blue = multiply_alpha( alpha, blue ); } - base[0] = blue; - base[1] = green; - base[2] = red; - base[3] = alpha; + base[0] = (unsigned char)blue; + base[1] = (unsigned char)green; + base[2] = (unsigned char)red; + base[3] = (unsigned char)alpha; } } } @@ -109,9 +110,9 @@ unsigned int blue = base[2]; - base[0] = blue; - base[1] = green; - base[2] = red; + base[0] = (unsigned char)blue; + base[1] = (unsigned char)green; + base[2] = (unsigned char)red; base[3] = 0xFF; } } @@ -257,16 +258,16 @@ if ( populate_map_and_metrics ) { - FT_Long size; + FT_ULong size; - metrics->width = (FT_Int)imgWidth; - metrics->height = (FT_Int)imgHeight; + metrics->width = (FT_UShort)imgWidth; + metrics->height = (FT_UShort)imgHeight; map->width = metrics->width; map->rows = metrics->height; map->pixel_mode = FT_PIXEL_MODE_BGRA; - map->pitch = map->width * 4; + map->pitch = (int)( map->width * 4 ); map->num_grays = 256; /* reject too large bitmaps similarly to the rasterizer */ @@ -277,7 +278,7 @@ } /* this doesn't overflow: 0x7FFF * 0x7FFF * 4 < 2^32 */ - size = map->rows * map->pitch; + size = map->rows * (FT_ULong)map->pitch; error = ft_glyphslot_alloc_bitmap( slot, size ); if ( error ) |