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Merging r6383 through r6403 from trunk to ogl-es branch

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git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6404 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
2022-05-15 16:02:08 +00:00
parent ec38b153da
commit ddc14ea87e
57 changed files with 337 additions and 282 deletions
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23
source/Irrlicht/CImageLoaderJPG.cpp
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@@ -145,10 +145,13 @@ IImage* CImageLoaderJPG::loadImage(io::IReadFile* file) const
return 0;
core::stringc filename = file->getFileName();
long fileSize = file->getSize();
if ( fileSize < 3 )
return 0;
u8 **rowPtr=0;
u8* input = new u8[file->getSize()];
file->read(input, file->getSize());
u8* input = new u8[fileSize];
file->read(input, fileSize);
// allocate and initialize JPEG decompression object
struct jpeg_decompress_struct cinfo;
@@ -188,7 +191,7 @@ IImage* CImageLoaderJPG::loadImage(io::IReadFile* file) const
jpeg_source_mgr jsrc;
// Set up data pointer
jsrc.bytes_in_buffer = file->getSize();
jsrc.bytes_in_buffer = fileSize;
jsrc.next_input_byte = (JOCTET*)input;
cinfo.src = &jsrc;
@@ -225,10 +228,19 @@ IImage* CImageLoaderJPG::loadImage(io::IReadFile* file) const
jpeg_start_decompress(&cinfo);
// Get image data
u16 rowspan = cinfo.image_width * cinfo.out_color_components;
u32 rowspan = cinfo.image_width * cinfo.out_color_components;
u32 width = cinfo.image_width;
u32 height = cinfo.image_height;
if ( width > JPEG_MAX_DIMENSION || height > JPEG_MAX_DIMENSION
|| !IImage::checkDataSizeLimit(IImage::getDataSizeFromFormat(ECF_R8G8B8, width, height))
)
{
os::Printer::log("Image dimensions too large in file", filename, ELL_ERROR);
longjmp(jerr.setjmp_buffer, 1);
}
// Allocate memory for buffer
u8* output = new u8[rowspan * height];
@@ -237,7 +249,7 @@ IImage* CImageLoaderJPG::loadImage(io::IReadFile* file) const
// Create array of row pointers for lib
rowPtr = new u8* [height];
for( u32 i = 0; i < height; i++ )
for( size_t i = 0; i < height; i++ )
rowPtr[i] = &output[ i * rowspan ];
u32 rowsRead = 0;
@@ -246,6 +258,7 @@ IImage* CImageLoaderJPG::loadImage(io::IReadFile* file) const
rowsRead += jpeg_read_scanlines( &cinfo, &rowPtr[rowsRead], cinfo.output_height - rowsRead );
delete [] rowPtr;
rowPtr = 0;
// Finish decompression
jpeg_finish_decompress(&cinfo);