From bad78945ceba425f6a80e3b8dca2414d592970eb Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Fri, 2 Aug 2019 20:51:00 +0800
Subject: =?UTF-8?q?*=E4=BF=AE=E6=94=B9=E6=96=87=E4=BB=B6=E5=90=8D=E6=A0=BC?=
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---
 source/modules/asura-core/Image/ImageData.h | 81 +++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 source/modules/asura-core/Image/ImageData.h

(limited to 'source/modules/asura-core/Image/ImageData.h')

diff --git a/source/modules/asura-core/Image/ImageData.h b/source/modules/asura-core/Image/ImageData.h
new file mode 100644
index 0000000..cd2fe1a
--- /dev/null
+++ b/source/modules/asura-core/Image/ImageData.h
@@ -0,0 +1,81 @@
+#ifndef _ASURA_ENGINE_IMAGEDATA_H_
+#define _ASURA_ENGINE_IMAGEDATA_H_
+
+#include <list>
+
+#include <asura-utils/Scripting/Portable.hpp>
+#include <asura-utils/IO/DecodedData.h>
+#include <asura-utils/IO/DataBuffer.h>
+#include <asura-utils/Threads/Thread.h>
+#include <asura-utils/Threads/Mutex.h>
+
+#include "../Graphics/Texture.h"
+#include "../Graphics/Color.h"
+
+namespace_begin(AsuraEngine)
+namespace_begin(Image)
+
+class ImageDecoder;
+
+class ImageData ASURA_FINAL
+	: public Scripting::Portable<ImageData>
+	, public AEIO::DecodedData
+{
+public:
+
+	///
+	/// 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();
+	~ImageData();
+
+	void Decode(AEIO::DataBuffer& buffer) override;
+
+	void Lock();
+	void Unlock();
+
+	AEGraphics::Color GetPixel(uint x, uint y);
+
+	//----------------------------------------------------------------------------//
+
+	uint width, height; // 像素尺寸
+	AEGraphics::ColorFormat format; // 格式
+	byte* pixels;       // 像素数据
+	std::size_t size;   // 数据长度
+
+	//----------------------------------------------------------------------------//
+
+private:
+
+	///
+	/// 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;
+
+	///
+	/// 写数据的锁。
+	///
+	AEThreading::Mutex m_Mutex;
+		
+luaxport:
+
+	LUAX_DECL_FACTORY(ImageData);
+
+	LUAX_DECL_METHOD(_New);
+	LUAX_DECL_METHOD(_GetPixel);
+	LUAX_DECL_METHOD(_GetSize);
+	LUAX_DECL_METHOD(_GetWidth);
+	LUAX_DECL_METHOD(_GetHeight);
+	LUAX_DECL_METHOD(_GetPixelFormat);
+	LUAX_DECL_METHOD(_Decode);
+	LUAX_DECL_METHOD(_DecodeAsync);
+	LUAX_DECL_METHOD(_IsAvailable);
+
+};
+
+namespace_end
+namespace_end
+
+namespace AEImage = AsuraEngine::Image;
+
+#endif
\ No newline at end of file
-- 
cgit v1.1-26-g67d0