aboutsummaryrefslogtreecommitdiff
path: root/backends/platform/psp
diff options
context:
space:
mode:
authorColin Snover2017-10-27 22:22:31 -0500
committerEugene Sandulenko2018-08-18 13:49:15 +0200
commitce1868a28abea643e3b4fe7797ec4328d6b54091 (patch)
tree467c0d8e6f45488f5edcd83f7d10f4c56c450aa1 /backends/platform/psp
parent06446d36f50d2cca3a0c4861db0d050f25e36708 (diff)
downloadscummvm-rg350-ce1868a28abea643e3b4fe7797ec4328d6b54091.tar.gz
scummvm-rg350-ce1868a28abea643e3b4fe7797ec4328d6b54091.tar.bz2
scummvm-rg350-ce1868a28abea643e3b4fe7797ec4328d6b54091.zip
PSP: Fix usage of obsolete libpng APIs
These APIs were deprecated as early as libpng1.2 and were removed by libpng1.5.
Diffstat (limited to 'backends/platform/psp')
-rw-r--r--backends/platform/psp/png_loader.cpp37
1 files changed, 23 insertions, 14 deletions
diff --git a/backends/platform/psp/png_loader.cpp b/backends/platform/psp/png_loader.cpp
index e54541b75d..277546a413 100644
--- a/backends/platform/psp/png_loader.cpp
+++ b/backends/platform/psp/png_loader.cpp
@@ -99,7 +99,7 @@ void PngLoader::warningFn(png_structp png_ptr, png_const_charp warning_msg) {
// Read function for png library to be able to read from our SeekableReadStream
//
void PngLoader::libReadFunc(png_structp pngPtr, png_bytep data, png_size_t length) {
- Common::SeekableReadStream &file = *(Common::SeekableReadStream *)pngPtr->io_ptr;
+ Common::SeekableReadStream &file = *(Common::SeekableReadStream *)png_get_io_ptr(pngPtr);
file.read(data, length);
}
@@ -114,7 +114,7 @@ bool PngLoader::basicImageLoad() {
_infoPtr = png_create_info_struct(_pngPtr);
if (!_infoPtr) {
- png_destroy_read_struct(&_pngPtr, png_infopp_NULL, png_infopp_NULL);
+ png_destroy_read_struct(&_pngPtr, NULL, NULL);
return false;
}
// Set the png lib to use our read function
@@ -126,11 +126,14 @@ bool PngLoader::basicImageLoad() {
png_read_info(_pngPtr, _infoPtr);
int interlaceType;
png_get_IHDR(_pngPtr, _infoPtr, (png_uint_32 *)&_width, (png_uint_32 *)&_height, &_bitDepth,
- &_colorType, &interlaceType, int_p_NULL, int_p_NULL);
+ &_colorType, &interlaceType, NULL, NULL);
_channels = png_get_channels(_pngPtr, _infoPtr);
- if (_colorType & PNG_COLOR_MASK_PALETTE)
- _paletteSize = _infoPtr->num_palette;
+ if (_colorType & PNG_COLOR_MASK_PALETTE) {
+ int paletteSize;
+ png_get_PLTE(_pngPtr, _infoPtr, NULL, &paletteSize);
+ _paletteSize = paletteSize;
+ }
return true;
}
@@ -142,7 +145,7 @@ bool PngLoader::findImageDimensions() {
bool status = basicImageLoad();
PSP_DEBUG_PRINT("width[%d], height[%d], paletteSize[%d], bitDepth[%d], channels[%d], rowBytes[%d]\n", _width, _height, _paletteSize, _bitDepth, _channels, _infoPtr->rowbytes);
- png_destroy_read_struct(&_pngPtr, &_infoPtr, png_infopp_NULL);
+ png_destroy_read_struct(&_pngPtr, &_infoPtr, NULL);
return status;
}
@@ -153,22 +156,28 @@ bool PngLoader::loadImageIntoBuffer() {
DEBUG_ENTER_FUNC();
if (!basicImageLoad()) {
- png_destroy_read_struct(&_pngPtr, &_infoPtr, png_infopp_NULL);
+ png_destroy_read_struct(&_pngPtr, &_infoPtr, NULL);
return false;
}
png_set_strip_16(_pngPtr); // Strip off 16 bit channels in case they occur
if (_paletteSize) {
// Copy the palette
- png_colorp srcPal = _infoPtr->palette;
- for (int i = 0; i < _infoPtr->num_palette; i++) {
- unsigned char alphaVal = (i < _infoPtr->num_trans) ? _infoPtr->trans[i] : 0xFF; // Load alpha if it's there
+ png_colorp srcPal;
+ int numPalette;
+ png_get_PLTE(_pngPtr, _infoPtr, &srcPal, &numPalette);
+ png_bytep transAlpha;
+ int numTrans;
+ png_color_16p transColor;
+ png_get_tRNS(_pngPtr, _infoPtr, &transAlpha, &numTrans, &transColor);
+ for (int i = 0; i < numPalette; i++) {
+ unsigned char alphaVal = (i < numTrans) ? transAlpha[i] : 0xFF; // Load alpha if it's there
_palette->setSingleColorRGBA(i, srcPal->red, srcPal->green, srcPal->blue, alphaVal);
srcPal++;
}
} else { // Not a palettized image
if (_colorType == PNG_COLOR_TYPE_GRAY && _bitDepth < 8)
- png_set_gray_1_2_4_to_8(_pngPtr); // Round up grayscale images
+ png_set_expand_gray_1_2_4_to_8(_pngPtr); // Round up grayscale images
if (png_get_valid(_pngPtr, _infoPtr, PNG_INFO_tRNS))
png_set_tRNS_to_alpha(_pngPtr); // Convert trans channel to alpha for 32 bits
@@ -188,18 +197,18 @@ bool PngLoader::loadImageIntoBuffer() {
unsigned char *line = (unsigned char*) malloc(rowBytes);
if (!line) {
- png_destroy_read_struct(&_pngPtr, png_infopp_NULL, png_infopp_NULL);
+ png_destroy_read_struct(&_pngPtr, NULL, NULL);
PSP_ERROR("Couldn't allocate line\n");
return false;
}
for (size_t y = 0; y < _height; y++) {
- png_read_row(_pngPtr, line, png_bytep_NULL);
+ png_read_row(_pngPtr, line, NULL);
_buffer->copyFromRect(line, rowBytes, 0, y, _width, 1); // Copy into buffer
}
free(line);
png_read_end(_pngPtr, _infoPtr);
- png_destroy_read_struct(&_pngPtr, &_infoPtr, png_infopp_NULL);
+ png_destroy_read_struct(&_pngPtr, &_infoPtr, NULL);
return true;
}