From 250e30d73f09e9da2b5a81d0fbae63744ae12a73 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 2 Apr 2019 08:47:15 +0800
Subject: *misc

---
 source/libs/asura-lib-core/graphics/image_data.h | 68 ++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 source/libs/asura-lib-core/graphics/image_data.h

(limited to 'source/libs/asura-lib-core/graphics/image_data.h')

diff --git a/source/libs/asura-lib-core/graphics/image_data.h b/source/libs/asura-lib-core/graphics/image_data.h
new file mode 100644
index 0000000..820e276
--- /dev/null
+++ b/source/libs/asura-lib-core/graphics/image_data.h
@@ -0,0 +1,68 @@
+#ifndef __ASURA_ENGINE_IMAGEDATA_H__
+#define __ASURA_ENGINE_IMAGEDATA_H__
+
+#include <list>
+
+#include <asura-lib-utils/scripting/portable.hpp>
+#include <asura-lib-utils/io/decoded_data.h>
+#include <asura-lib-utils/io/data_buffer.h>
+#include <asura-lib-utils/threading/thread.h>
+
+#include "pixel_format.h"
+#include "color.h"
+
+namespace AsuraEngine
+{
+	namespace Graphics
+	{
+
+		class ImageDecoder;
+
+		class ImageData ASURA_FINAL
+			: public AEIO::DecodedData
+			, public Scripting::Portable<ImageData>
+		{
+		public:
+
+			LUAX_DECL_FACTORY(ImageData);
+
+			///
+			/// 解析图片数据文件，并构建像素信息，如果解析失败，抛出异常
+			///
+			ImageData(const AEIO::DataBuffer& buffer);
+			~ImageData();
+
+			void Load(const AEIO::DataBuffer& buffer);
+			void LoadAsync(const AEIO::DataBuffer& buffer, AEThreading::Thread* thread);
+
+			Color GetPixel(uint x, uint y);
+
+			uint width, height;
+			PixelFormat format;
+			std::size_t size;
+			byte* pixels;
+
+		private:
+
+			void Decode(const AEIO::DataBuffer& buffer) override;
+
+			///
+			/// 在第一次准备image data时构建所有提供的decoder。在几个decoders中间选择解析策略。
+			///
+			static std::list<ImageDecoder*> ImageDecoders;
+
+			LUAX_DECL_METHOD(_New);
+			LUAX_DECL_METHOD(_GetPixel);
+			LUAX_DECL_METHOD(_GetSize);
+			LUAX_DECL_METHOD(_GetWidth);
+			LUAX_DECL_METHOD(_GetHeight);
+			LUAX_DECL_METHOD(_GetPixelFormat);
+
+		};
+
+	}
+}
+
+namespace AEGraphics = AsuraEngine::Graphics;
+
+#endif
\ No newline at end of file
-- 
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