jpg: Make it a module and split jpgd thirdparty files

Similar rationale as in previous commit.

1 files changed, 144 insertions, 0 deletions

diff --git a/modules/jpg/image_loader_jpegd.cpp b/modules/jpg/image_loader_jpegd.cpp
new file mode 100644
index 0000000000..03c3b19fc0
--- /dev/null
+++ b/modules/jpg/image_loader_jpegd.cpp
@@ -0,0 +1,144 @@
+/*************************************************************************/
+/*  image_loader_jpegd.cpp                                               */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+#include "image_loader_jpegd.h"
+
+#include "print_string.h"
+#include "os/os.h"
+
+#include <jpgd.h>
+#include <string.h>
+
+
+Error jpeg_load_image_from_buffer(Image *p_image,const uint8_t* p_buffer, int p_buffer_len) {
+
+	jpgd::jpeg_decoder_mem_stream mem_stream(p_buffer,p_buffer_len);
+
+	jpgd::jpeg_decoder decoder(&mem_stream);
+
+	if (decoder.get_error_code() != jpgd::JPGD_SUCCESS) {
+		return ERR_CANT_OPEN;
+	}
+
+	const int image_width = decoder.get_width();
+	const int image_height = decoder.get_height();
+	int comps = decoder.get_num_components();
+	if (comps==3)
+		comps=4; //weird
+
+	if (decoder.begin_decoding() != jpgd::JPGD_SUCCESS)
+		return ERR_FILE_CORRUPT;
+
+	const int dst_bpl = image_width * comps;
+
+	DVector<uint8_t> data;
+
+	data.resize(dst_bpl * image_height);
+
+	DVector<uint8_t>::Write dw = data.write();
+
+	jpgd::uint8 *pImage_data = (jpgd::uint8*)dw.ptr();
+
+	for (int y = 0; y < image_height; y++)
+	{
+		const jpgd::uint8* pScan_line;
+		jpgd::uint scan_line_len;
+		if (decoder.decode((const void**)&pScan_line, &scan_line_len) != jpgd::JPGD_SUCCESS)
+		{
+			return ERR_FILE_CORRUPT;
+		}
+
+		jpgd::uint8 *pDst = pImage_data + y * dst_bpl;
+		memcpy(pDst, pScan_line, dst_bpl);
+
+
+	}
+
+
+	//all good
+
+	Image::Format fmt;
+	if (comps==1)
+		fmt=Image::FORMAT_GRAYSCALE;
+	else
+		fmt=Image::FORMAT_RGBA;
+
+	dw = DVector<uint8_t>::Write();
+	p_image->create(image_width,image_height,0,fmt,data);
+
+	return OK;
+
+}
+
+
+Error ImageLoaderJPG::load_image(Image *p_image,FileAccess *f) {
+
+
+	DVector<uint8_t> src_image;
+	int src_image_len = f->get_len();
+	ERR_FAIL_COND_V(src_image_len == 0, ERR_FILE_CORRUPT);
+	src_image.resize(src_image_len);
+
+	DVector<uint8_t>::Write w = src_image.write();
+
+	f->get_buffer(&w[0],src_image_len);
+
+	f->close();
+
+
+	Error err = jpeg_load_image_from_buffer(p_image,w.ptr(),src_image_len);
+
+	w = DVector<uint8_t>::Write();
+
+	return err;
+
+}
+
+void ImageLoaderJPG::get_recognized_extensions(List<String> *p_extensions) const {
+	
+	p_extensions->push_back("jpg");
+	p_extensions->push_back("jpeg");
+}
+
+
+static Image _jpegd_mem_loader_func(const uint8_t* p_png,int p_size) {
+
+	Image img;
+	Error err = jpeg_load_image_from_buffer(&img,p_png,p_size);
+	if (err)
+		ERR_PRINT("Couldn't initialize ImageLoaderJPG with the given resource.");
+
+	return img;
+}
+
+ImageLoaderJPG::ImageLoaderJPG() {
+
+	Image::_jpg_mem_loader_func=_jpegd_mem_loader_func;
+}
+
+