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// Copyright (C) 2002-2012 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);
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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