TGA support based on SaracenOne's work.

1 files changed, 83 insertions, 0 deletions

diff --git a/modules/tga/image_loader_tga.h b/modules/tga/image_loader_tga.h
new file mode 100644
index 0000000000..11329ec68a
--- /dev/null
+++ b/modules/tga/image_loader_tga.h
@@ -0,0 +1,83 @@
+/*************************************************************************/
+/*  image_loader_jpegd.h                                                 */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* 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.                */
+/*************************************************************************/
+#ifndef IMAGE_LOADER_TGA_H
+#define IMAGE_LOADER_TGA_H
+
+#include "io/image_loader.h"
+
+/**
+	@author SaracenOne
+*/
+class ImageLoaderTGA : public ImageFormatLoader {
+	enum tga_type_e {
+		TGA_TYPE_NO_DATA = 0,
+		TGA_TYPE_INDEXED = 1,
+		TGA_TYPE_RGB = 2,
+		TGA_TYPE_MONOCHROME = 3,
+		TGA_TYPE_RLE_INDEXED = 9,
+		TGA_TYPE_RLE_RGB = 10,
+		TGA_TYPE_RLE_MONOCHROME = 11
+	};
+
+	enum tga_origin_e {
+		TGA_ORIGIN_BOTTOM_LEFT = 0x00,
+		TGA_ORIGIN_BOTTOM_RIGHT = 0x01,
+		TGA_ORIGIN_TOP_LEFT = 0x02,
+		TGA_ORIGIN_TOP_RIGHT = 0x03,
+		TGA_ORIGIN_SHIFT = 0x04,
+		TGA_ORIGIN_MASK = 0x30
+	};
+
+	struct tga_header_s {
+		uint8_t id_length;
+		uint8_t color_map_type;
+		tga_type_e image_type;
+
+		uint16_t first_color_entry;
+		uint16_t color_map_length;
+		uint8_t color_map_depth;
+
+		uint16_t x_origin;
+		uint16_t y_origin;
+		uint16_t image_width;
+		uint16_t image_height;
+		uint8_t pixel_depth;
+		uint8_t image_descriptor;
+	};
+	static Error decode_tga_rle(const uint8_t *p_compressed_buffer, size_t p_pixel_size, uint8_t *p_uncompressed_buffer, size_t p_output_size);
+	static Error convert_to_image(Ref<Image> p_image, const uint8_t *p_buffer, const tga_header_s &p_header, const uint8_t *p_palette, const bool p_is_monochrome);
+
+public:
+	virtual Error load_image(Ref<Image> p_image, FileAccess *f, bool p_force_linear);
+	virtual void get_recognized_extensions(List<String> *p_extensions) const;
+	ImageLoaderTGA();
+};
+
+#endif