94 lines
2 KiB
C++
94 lines
2 KiB
C++
/*************************************************/
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/* image_loader_jpg.cpp */
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/*************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/*************************************************/
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/* Source code within this file is: */
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/* (c) 2007-2016 Juan Linietsky, Ariel Manzur */
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/* All Rights Reserved. */
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/*************************************************/
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#include "image_loader_jpg.h"
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#include "print_string.h"
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#include "os/os.h"
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#include "drivers/jpg/tinyjpeg.h"
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static void* _tinyjpg_alloc(unsigned int amount) {
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return memalloc(amount);
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}
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static void _tinyjpg_free(void *ptr) {
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memfree(ptr);
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}
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Error ImageLoaderJPG::load_image(Image *p_image,FileAccess *f) {
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DVector<uint8_t> src_image;
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int src_image_len = f->get_len();
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ERR_FAIL_COND_V(src_image_len == 0, ERR_FILE_CORRUPT);
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src_image.resize(src_image_len);
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DVector<uint8_t>::Write w = src_image.write();
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f->get_buffer(&w[0],src_image_len);
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f->close();
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jdec_private* jdec=tinyjpeg_init(_tinyjpg_alloc,_tinyjpg_free);
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ERR_FAIL_COND_V(!jdec,ERR_UNAVAILABLE);
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int ret = tinyjpeg_parse_header(jdec,&w[0],src_image_len);
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if (ret!=0) {
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tinyjpeg_free(jdec);
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}
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ERR_FAIL_COND_V(ret!=0,ERR_FILE_CORRUPT);
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unsigned int width,height;
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tinyjpeg_get_size(jdec,&width,&height);
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DVector<uint8_t> imgdata;
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imgdata.resize(width*height*3);
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DVector<uint8_t>::Write imgdataw = imgdata.write();
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unsigned char *components[1]={&imgdataw[0]};
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tinyjpeg_set_components(jdec,components,1);
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tinyjpeg_decode(jdec,TINYJPEG_FMT_RGB24);
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imgdataw = DVector<uint8_t>::Write();
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Image dst_image(width,height,0,Image::FORMAT_RGB,imgdata);
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tinyjpeg_free(jdec);
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*p_image=dst_image;
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return OK;
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}
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void ImageLoaderJPG::get_recognized_extensions(List<String> *p_extensions) const {
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p_extensions->push_back("jpg");
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p_extensions->push_back("jpeg");
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}
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ImageLoaderJPG::ImageLoaderJPG() {
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}
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