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[libpng16] Changed 0xnnnn constants to 0xnnnnUL.

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Glenn Randers-Pehrson
2015-08-16 22:49:58 -05:00
parent 8b83ff3704
commit 8ba4b13c55
10 changed files with 76 additions and 60 deletions
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10
pngwrite.c
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@@ -669,8 +669,8 @@ png_do_write_intrapixel(png_row_infop row_info, png_bytep row)
png_uint_32 s0 = (*(rp ) << 8) | *(rp + 1);
png_uint_32 s1 = (*(rp + 2) << 8) | *(rp + 3);
png_uint_32 s2 = (*(rp + 4) << 8) | *(rp + 5);
png_uint_32 red = (png_uint_32)((s0 - s1) & 0xffffL);
png_uint_32 blue = (png_uint_32)((s2 - s1) & 0xffffL);
png_uint_32 red = (png_uint_32)((s0 - s1) & 0xffffUL);
png_uint_32 blue = (png_uint_32)((s2 - s1) & 0xffffUL);
*(rp ) = (png_byte)(red >> 8);
*(rp + 1) = (png_byte)red;
*(rp + 4) = (png_byte)(blue >> 8);
@@ -1570,7 +1570,7 @@ png_write_image_16bit(png_voidp argument)
* is only initialized when required.
*/
if (alpha > 0 && alpha < 65535)
reciprocal = ((0xffff<<15)+(alpha>>1))/alpha;
reciprocal = ((0xffffUL<<15)+(alpha>>1))/alpha;
c = channels;
do /* always at least one channel */
@@ -1621,7 +1621,7 @@ png_write_image_16bit(png_voidp argument)
* calculation can be done to 15 bits of accuracy; however, the output needs to
* be scaled in the range 0..255*65535, so include that scaling here.
*/
# define UNP_RECIPROCAL(alpha) ((((0xffff*0xff)<<7)+(alpha>>1))/alpha)
# define UNP_RECIPROCAL(alpha) ((((0xffffUL*0xffU)<<7)+(alpha>>1))/alpha)
static png_byte
png_unpremultiply(png_uint_32 component, png_uint_32 alpha,
@@ -1836,7 +1836,7 @@ png_image_set_PLTE(png_image_write_control *display)
* divided by 128 (i.e. asr 7).
*/
if (alphabyte > 0 && alphabyte < 255)
reciprocal = (((0xffff*0xff)<<7)+(alpha>>1))/alpha;
reciprocal = (((0xffffUL*0xffU)<<7)+(alpha>>1))/alpha;
tRNS[i] = alphabyte;
if (alphabyte < 255)