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Change to use PKG_LIBPNG_VER for libpng version check

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It is suggested in png.h for applications.

Signed-off-by: OBATA Akio <obache@wizdas.com>
(cherry picked from commit 2283b5627d)
v3.5.13-sru
OBATA Akio 4 years ago committed by Slávek Banko
parent 6a930451f8
commit a75f3dcaa2
No known key found for this signature in database
GPG Key ID: 608F5293A04BE668
1 changed files with 23 additions and 23 deletions
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46
src/kernel/qpngio.cpp
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@ -46,7 +46,7 @@
#include "qiodevice.h"
#include <png.h>
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
#include <zlib.h>
#endif /* LIBPNG 1.5 */
@ -129,7 +129,7 @@ void setup_qt( QImage& image, png_structp png_ptr, png_infop info_ptr, float scr
png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
0, 0, 0);
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
png_colorp info_ptr_palette = NULL;
int info_ptr_num_palette = 0;
if (png_get_valid(png_ptr, info_ptr, PNG_INFO_PLTE)) {
@ -147,7 +147,7 @@ void setup_qt( QImage& image, png_structp png_ptr, png_infop info_ptr, float scr
if ( color_type == PNG_COLOR_TYPE_GRAY ) {
// Black & White or 8-bit grayscale
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
if ( bit_depth == 1 && png_get_channels(png_ptr, info_ptr) == 1 ) {
#else /* LIBPNG 1.5 */
if ( bit_depth == 1 && info_ptr->channels == 1 ) {
@ -185,9 +185,9 @@ void setup_qt( QImage& image, png_structp png_ptr, png_infop info_ptr, float scr
image.setColor( i, qRgba(c,c,c,0xff) );
}
if ( png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS) ) {
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
const int g = info_ptr_trans_color->gray;
#elif ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=4 )
#elif PNG_LIBPNG_VER>=10400
const int g = info_ptr->trans_color.gray;
#else
const int g = info_ptr->trans_values.gray;
@ -200,7 +200,7 @@ void setup_qt( QImage& image, png_structp png_ptr, png_infop info_ptr, float scr
}
} else if ( color_type == PNG_COLOR_TYPE_PALETTE
&& png_get_valid(png_ptr, info_ptr, PNG_INFO_PLTE)
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
&& info_ptr_num_palette <= 256 )
#else /* LIBPNG 1.5 */
&& info_ptr->num_palette <= 256 )
@ -212,7 +212,7 @@ void setup_qt( QImage& image, png_structp png_ptr, png_infop info_ptr, float scr
png_read_update_info( png_ptr, info_ptr );
png_get_IHDR(png_ptr, info_ptr,
&width, &height, &bit_depth, &color_type, 0, 0, 0);
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
if (!image.create(width, height, bit_depth, info_ptr_num_palette,
#else /* LIBPNG 1.5 */
if (!image.create(width, height, bit_depth, info_ptr->num_palette,
@ -223,7 +223,7 @@ void setup_qt( QImage& image, png_structp png_ptr, png_infop info_ptr, float scr
if ( png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS) ) {
image.setAlphaBuffer( TRUE );
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
while ( i < info_ptr_num_trans ) {
image.setColor(i, qRgba(
info_ptr_palette[i].red,
@ -236,9 +236,9 @@ void setup_qt( QImage& image, png_structp png_ptr, png_infop info_ptr, float scr
info_ptr->palette[i].green,
info_ptr->palette[i].blue,
#endif /* LIBPNG 1.5 */
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
info_ptr_trans_alpha[i]
#elif ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=4 )
#elif PNG_LIBPNG_VER>=10400
info_ptr->trans_alpha[i]
#else
info_ptr->trans[i]
@ -248,7 +248,7 @@ void setup_qt( QImage& image, png_structp png_ptr, png_infop info_ptr, float scr
i++;
}
}
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
while ( i < info_ptr_num_palette ) {
image.setColor(i, qRgba(
info_ptr_palette[i].red,
@ -347,7 +347,7 @@ void read_png_image(QImageIO* iio)
return;
}
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
if (setjmp(png_jmpbuf(png_ptr))) {
#else /* LIBPNG 1.5 */
if (setjmp(png_ptr->jmpbuf)) {
@ -388,7 +388,7 @@ void read_png_image(QImageIO* iio)
png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)
if (image.depth()==32 && png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {
QRgb trans = 0xFF000000 | qRgb(
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=4 )
#if PNG_LIBPNG_VER>=10400
(info_ptr->trans_color.red << 8 >> bit_depth)&0xff,
(info_ptr->trans_color.green << 8 >> bit_depth)&0xff,
(info_ptr->trans_color.blue << 8 >> bit_depth)&0xff);
@ -542,7 +542,7 @@ bool QPNGImageWriter::writeImage(const QImage& image, int quality_in, int off_x_
return FALSE;
}
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
if (setjmp(png_jmpbuf(png_ptr))) {
#else /* LIBPNG 1.5 */
if (setjmp(png_ptr->jmpbuf)) {
@ -568,7 +568,7 @@ bool QPNGImageWriter::writeImage(const QImage& image, int quality_in, int off_x_
png_set_write_fn(png_ptr, (void*)this, qpiw_write_fn, qpiw_flush_fn);
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
#warning XXXtnn not too sure about this
/*
according to png.h, channels is only used on read, not writes, so we
@ -589,7 +589,7 @@ should be able to comment this out.
: PNG_COLOR_TYPE_RGB
: PNG_COLOR_TYPE_PALETTE, 0, 0, 0);
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
png_color_8 sig_bit;
sig_bit.red = 8;
sig_bit.green = 8;
@ -614,14 +614,14 @@ should be able to comment this out.
png_set_PLTE(png_ptr, info_ptr, palette, num_palette);
int* trans = new int[num_palette];
int num_trans = 0;
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
png_colorp info_ptr_palette = NULL;
int tmp;
png_get_PLTE(png_ptr, info_ptr, &info_ptr_palette, &tmp);
#endif /* LIBPNG 1.5 */
for (int i=0; i<num_palette; i++) {
QRgb rgb=image.color(i);
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
info_ptr_palette[i].red = qRed(rgb);
info_ptr_palette[i].green = qGreen(rgb);
info_ptr_palette[i].blue = qBlue(rgb);
@ -637,7 +637,7 @@ should be able to comment this out.
}
}
}
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
png_set_PLTE(png_ptr, info_ptr, info_ptr_palette, num_palette);
#endif /* LIBPNG 1.5 */
if (num_trans) {
@ -650,7 +650,7 @@ should be able to comment this out.
}
if ( image.hasAlphaBuffer() ) {
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
png_color_8p sig_bit;
png_get_sBIT(png_ptr, info_ptr, &sig_bit);
sig_bit->alpha = 8;
@ -1143,7 +1143,7 @@ int QPNGFormat::decode(QImage& img, QImageConsumer* cons,
return -1;
}
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
if (setjmp(png_jmpbuf(png_ptr))) {
#else /* LIBPNG 1.5 */
if (setjmp((png_ptr)->jmpbuf)) {
@ -1174,7 +1174,7 @@ int QPNGFormat::decode(QImage& img, QImageConsumer* cons,
if ( !png_ptr ) return 0;
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
if (setjmp(png_jmpbuf(png_ptr))) {
#else /* LIBPNG 1.5 */
if (setjmp(png_ptr->jmpbuf)) {
@ -1238,7 +1238,7 @@ void QPNGFormat::end(png_structp png, png_infop info)
consumer->frameDone(QPoint(offx,offy),r);
consumer->end();
state = FrameStart;
#if PNG_LIBPNG_VER_MAJOR>1 || ( PNG_LIBPNG_VER_MAJOR==1 && PNG_LIBPNG_VER_MINOR>=5 )
#if PNG_LIBPNG_VER>=10500
unused_data = png_process_data_pause(png, 0);
#else /* LIBPNG 1.5 */
unused_data = (int)png->buffer_size; // Since libpng doesn't tell us

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