irrlicht/source/Irrlicht/CGUIImage.h
cutealien 2ae2a551a6 Merging r5975 through r6036 from trunk to ogl-es branch.
GLES drivers adapted, but only did make compile-tests.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475
2020-01-03 19:05:16 +00:00

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3.5 KiB
C++

// 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_GUI_IMAGE_H_INCLUDED__
#define __C_GUI_IMAGE_H_INCLUDED__
#include "IrrCompileConfig.h"
#ifdef _IRR_COMPILE_WITH_GUI_
#include "IGUIImage.h"
namespace irr
{
namespace gui
{
class CGUIImage : public IGUIImage
{
public:
//! constructor
CGUIImage(IGUIEnvironment* environment, IGUIElement* parent, s32 id, core::rect<s32> rectangle);
//! destructor
virtual ~CGUIImage();
//! sets an image
virtual void setImage(video::ITexture* image) _IRR_OVERRIDE_;
//! Gets the image texture
virtual video::ITexture* getImage() const _IRR_OVERRIDE_;
//! sets the color of the image
virtual void setColor(video::SColor color) _IRR_OVERRIDE_;
//! sets if the image should scale to fit the element
virtual void setScaleImage(bool scale) _IRR_OVERRIDE_;
//! draws the element and its children
virtual void draw() _IRR_OVERRIDE_;
//! sets if the image should use its alpha channel to draw itself
virtual void setUseAlphaChannel(bool use) _IRR_OVERRIDE_;
//! Gets the color of the image
virtual video::SColor getColor() const _IRR_OVERRIDE_;
//! Returns true if the image is scaled to fit, false if not
virtual bool isImageScaled() const _IRR_OVERRIDE_;
//! Returns true if the image is using the alpha channel, false if not
virtual bool isAlphaChannelUsed() const _IRR_OVERRIDE_;
//! Sets the source rectangle of the image. By default the full image is used.
virtual void setSourceRect(const core::rect<s32>& sourceRect) _IRR_OVERRIDE_;
//! Returns the customized source rectangle of the image to be used.
virtual core::rect<s32> getSourceRect() const _IRR_OVERRIDE_;
//! Restrict drawing-area.
virtual void setDrawBounds(const core::rect<f32>& drawBoundUVs) _IRR_OVERRIDE_;
//! Get drawing-area restrictions.
virtual core::rect<f32> getDrawBounds() const _IRR_OVERRIDE_;
//! Sets whether to draw a background color (EGDC_3D_DARK_SHADOW) when no texture is set
virtual void setDrawBackground(bool draw) _IRR_OVERRIDE_
{
DrawBackground = draw;
}
//! Checks if a background is drawn when no texture is set
virtual bool isDrawBackgroundEnabled() const _IRR_OVERRIDE_
{
return DrawBackground;
}
//! Writes attributes of the element.
virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const _IRR_OVERRIDE_;
//! Reads attributes of the element
virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options) _IRR_OVERRIDE_;
protected:
void checkBounds(core::rect<s32>& rect)
{
f32 clipWidth = (f32)rect.getWidth();
f32 clipHeight = (f32)rect.getHeight();
rect.UpperLeftCorner.X += core::round32(DrawBounds.UpperLeftCorner.X*clipWidth);
rect.UpperLeftCorner.Y += core::round32(DrawBounds.UpperLeftCorner.Y*clipHeight);
rect.LowerRightCorner.X -= core::round32((1.f-DrawBounds.LowerRightCorner.X)*clipWidth);
rect.LowerRightCorner.Y -= core::round32((1.f-DrawBounds.LowerRightCorner.Y)*clipHeight);
}
private:
video::ITexture* Texture;
video::SColor Color;
bool UseAlphaChannel;
bool ScaleImage;
core::rect<s32> SourceRect;
core::rect<f32> DrawBounds;
bool DrawBackground;
};
} // end namespace gui
} // end namespace irr
#endif // _IRR_COMPILE_WITH_GUI_
#endif // __C_GUI_IMAGE_H_INCLUDED__