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./aip/1.8aipmod/source/Irrlicht/CImage.h :


// Copyright (C) 2002-2011 Nikolaus Gebhardt

// This file is part of the "Irrlicht Engine".

// For conditions of distribution and use, see copyright notice in irrlicht.h


#ifndef __C_IMAGE_H_INCLUDED__
#define __C_IMAGE_H_INCLUDED__

#include "IImage.h"
#include "rect.h"

namespace irr
{
namespace video
{

//! IImage implementation with a lot of special image operations for

//! 16 bit A1R5G5B5/32 Bit A8R8G8B8 images, which are used by the SoftwareDevice.

class CImage : public IImage
{
public:

	//! constructor from raw image data

	/** \param useForeignMemory: If true, the image will use the data pointer
	directly and own it from now on, which means it will also try to delete [] the
	data when the image will be destructed. If false, the memory will by copied. */
	CImage(ECOLOR_FORMAT format, const core::dimension2d<u32>& size,
		void* data, bool ownForeignMemory=true, bool deleteMemory = true);

	//! constructor for empty image

	CImage(ECOLOR_FORMAT format, const core::dimension2d<u32>& size);

	//! destructor

	virtual ~CImage();

	//! Lock function.

	virtual void* lock()
	{
		return Data;
	}

	//! Unlock function.

	virtual void unlock() {}

	//! Returns width and height of image data.

	virtual const core::dimension2d<u32>& getDimension() const;

	//! Returns bits per pixel.

	virtual u32 getBitsPerPixel() const;

	//! Returns bytes per pixel

	virtual u32 getBytesPerPixel() const;

	//! Returns image data size in bytes

	virtual u32 getImageDataSizeInBytes() const;

	//! Returns image data size in pixels

	virtual u32 getImageDataSizeInPixels() const;

	//! returns mask for red value of a pixel

	virtual u32 getRedMask() const;

	//! returns mask for green value of a pixel

	virtual u32 getGreenMask() const;

	//! returns mask for blue value of a pixel

	virtual u32 getBlueMask() const;

	//! returns mask for alpha value of a pixel

	virtual u32 getAlphaMask() const;

	//! returns a pixel

	virtual SColor getPixel(u32 x, u32 y) const;

	//! sets a pixel

	virtual void setPixel(u32 x, u32 y, const SColor &color, bool blend = false );

	//! returns the color format

	virtual ECOLOR_FORMAT getColorFormat() const;

	//! returns pitch of image

	virtual u32 getPitch() const { return Pitch; }

	//! copies this surface into another, scaling it to fit.

	virtual void copyToScaling(void* target, u32 width, u32 height, ECOLOR_FORMAT format, u32 pitch=0);

	//! copies this surface into another, scaling it to fit.

	virtual void copyToScaling(IImage* target);

	//! copies this surface into another

	virtual void copyTo(IImage* target, const core::position2d<s32>& pos=core::position2d<s32>(0,0));

	//! copies this surface into another

	virtual void copyTo(IImage* target, const core::position2d<s32>& pos, const core::rect<s32>& sourceRect, const core::rect<s32>* clipRect=0);

	//! copies this surface into another, using the alpha mask, an cliprect and a color to add with

	virtual void copyToWithAlpha(IImage* target, const core::position2d<s32>& pos,
			const core::rect<s32>& sourceRect, const SColor &color,
			const core::rect<s32>* clipRect = 0);

	//! copies this surface into another, scaling it to fit, appyling a box filter

	virtual void copyToScalingBoxFilter(IImage* target, s32 bias = 0, bool blend = false);

	//! fills the surface with given color

	virtual void fill(const SColor &color);

	//! draws a rectangle

	void drawRectangle(const core::rect<s32>& rect, const SColor &color);

	//! draws a line from to

	void drawLine(const core::position2d<s32>& from, const core::position2d<s32>& to, const SColor &color);

private:

	//! assumes format and size has been set and creates the rest

	void initData();

	inline SColor getPixelBox ( s32 x, s32 y, s32 fx, s32 fy, s32 bias ) const;

	u8* Data;
	core::dimension2d<u32> Size;
	u32 BytesPerPixel;
	u32 Pitch;
	ECOLOR_FORMAT Format;

	bool DeleteMemory;
};

} // end namespace video

} // end namespace irr



#endif

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