diff options
Diffstat (limited to 'src/3rdparty/freetype/src/base/ftbitmap.c')
| -rw-r--r-- | src/3rdparty/freetype/src/base/ftbitmap.c | 67 |
1 files changed, 40 insertions, 27 deletions
diff --git a/src/3rdparty/freetype/src/base/ftbitmap.c b/src/3rdparty/freetype/src/base/ftbitmap.c index 19a1a80795..a54572aaa2 100644 --- a/src/3rdparty/freetype/src/base/ftbitmap.c +++ b/src/3rdparty/freetype/src/base/ftbitmap.c @@ -4,7 +4,7 @@ /* */ /* FreeType utility functions for bitmaps (body). */ /* */ -/* Copyright 2004-2009, 2011, 2013, 2014 by */ +/* Copyright 2004-2015 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -31,6 +31,16 @@ /* documentation is in ftbitmap.h */ FT_EXPORT_DEF( void ) + FT_Bitmap_Init( FT_Bitmap *abitmap ) + { + if ( abitmap ) + *abitmap = null_bitmap; + } + + + /* deprecated function name; retained for ABI compatibility */ + + FT_EXPORT_DEF( void ) FT_Bitmap_New( FT_Bitmap *abitmap ) { if ( abitmap ) @@ -117,7 +127,7 @@ FT_Byte* t = target->buffer; - t += pitch * ( target->rows - 1 ); + t += (FT_ULong)pitch * ( target->rows - 1 ); for ( i = target->rows; i > 0; i-- ) { @@ -160,21 +170,21 @@ { case FT_PIXEL_MODE_MONO: bpp = 1; - new_pitch = ( width + xpixels + 7 ) >> 3; + new_pitch = (int)( ( width + xpixels + 7 ) >> 3 ); break; case FT_PIXEL_MODE_GRAY2: bpp = 2; - new_pitch = ( width + xpixels + 3 ) >> 2; + new_pitch = (int)( ( width + xpixels + 3 ) >> 2 ); break; case FT_PIXEL_MODE_GRAY4: bpp = 4; - new_pitch = ( width + xpixels + 1 ) >> 1; + new_pitch = (int)( ( width + xpixels + 1 ) >> 1 ); break; case FT_PIXEL_MODE_GRAY: case FT_PIXEL_MODE_LCD: case FT_PIXEL_MODE_LCD_V: bpp = 8; - new_pitch = ( width + xpixels ); + new_pitch = (int)( width + xpixels ); break; default: return FT_THROW( Invalid_Glyph_Format ); @@ -184,7 +194,7 @@ if ( ypixels == 0 && new_pitch <= pitch ) { /* zero the padding */ - FT_UInt bit_width = pitch * 8; + FT_UInt bit_width = (FT_UInt)pitch * 8; FT_UInt bit_last = ( width + xpixels ) * bpp; @@ -227,8 +237,9 @@ for ( i = 0; i < bitmap->rows; i++ ) - FT_MEM_COPY( buffer + new_pitch * ( ypixels + i ), - bitmap->buffer + pitch * i, len ); + FT_MEM_COPY( buffer + (FT_UInt)new_pitch * ( ypixels + i ), + bitmap->buffer + (FT_UInt)pitch * i, + len ); } else { @@ -236,8 +247,9 @@ for ( i = 0; i < bitmap->rows; i++ ) - FT_MEM_COPY( buffer + new_pitch * i, - bitmap->buffer + pitch * i, len ); + FT_MEM_COPY( buffer + (FT_UInt)new_pitch * i, + bitmap->buffer + (FT_UInt)pitch * i, + len ); } FT_FREE( bitmap->buffer ); @@ -295,7 +307,7 @@ /* convert to 8bpp */ - FT_Bitmap_New( &tmp ); + FT_Bitmap_Init( &tmp ); error = FT_Bitmap_Convert( library, bitmap, &tmp, 1 ); if ( error ) return error; @@ -323,7 +335,8 @@ return FT_Err_Ok; } - error = ft_bitmap_assure_buffer( library->memory, bitmap, xstr, ystr ); + error = ft_bitmap_assure_buffer( library->memory, bitmap, + (FT_UInt)xstr, (FT_UInt)ystr ); if ( error ) return error; @@ -334,7 +347,7 @@ else { pitch = -pitch; - p = bitmap->buffer + pitch * ( bitmap->rows - 1 ); + p = bitmap->buffer + (FT_UInt)pitch * ( bitmap->rows - 1 ); } /* for each row */ @@ -407,8 +420,8 @@ p += bitmap->pitch; } - bitmap->width += xstr; - bitmap->rows += ystr; + bitmap->width += (FT_UInt)xstr; + bitmap->rows += (FT_UInt)ystr; return FT_Err_Ok; } @@ -501,7 +514,7 @@ if ( old_target_pitch < 0 ) old_target_pitch = -old_target_pitch; - old_size = target->rows * old_target_pitch; + old_size = target->rows * (FT_UInt)old_target_pitch; target->pixel_mode = FT_PIXEL_MODE_GRAY; target->rows = source->rows; @@ -510,20 +523,20 @@ pad = 0; if ( alignment > 0 ) { - pad = source->width % alignment; + pad = (FT_Int)source->width % alignment; if ( pad != 0 ) pad = alignment - pad; } - target_pitch = source->width + pad; + target_pitch = (FT_Int)source->width + pad; - if ( target_pitch > 0 && - (FT_ULong)target->rows > FT_ULONG_MAX / target_pitch ) + if ( target_pitch > 0 && + (FT_ULong)target->rows > FT_ULONG_MAX / (FT_ULong)target_pitch ) return FT_THROW( Invalid_Argument ); - if ( target->rows * target_pitch > old_size && + if ( target->rows * (FT_ULong)target_pitch > old_size && FT_QREALLOC( target->buffer, - old_size, target->rows * target_pitch ) ) + old_size, target->rows * (FT_UInt)target_pitch ) ) return error; target->pitch = target->pitch < 0 ? -target_pitch : target_pitch; @@ -539,9 +552,9 @@ /* take care of bitmap flow */ if ( source->pitch < 0 ) - s -= source->pitch * ( source->rows - 1 ); + s -= source->pitch * (FT_Int)( source->rows - 1 ); if ( target->pitch < 0 ) - t -= target->pitch * ( target->rows - 1 ); + t -= target->pitch * (FT_Int)( target->rows - 1 ); switch ( source->pixel_mode ) { @@ -604,7 +617,7 @@ case FT_PIXEL_MODE_LCD: case FT_PIXEL_MODE_LCD_V: { - FT_Int width = source->width; + FT_UInt width = source->width; FT_UInt i; @@ -756,7 +769,7 @@ FT_Error error; - FT_Bitmap_New( &bitmap ); + FT_Bitmap_Init( &bitmap ); error = FT_Bitmap_Copy( slot->library, &slot->bitmap, &bitmap ); if ( error ) return error; |