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git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475
114 lines
3.5 KiB
C++
114 lines
3.5 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __C_GUI_IMAGE_H_INCLUDED__
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#define __C_GUI_IMAGE_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_GUI_
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#include "IGUIImage.h"
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namespace irr
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{
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namespace gui
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{
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class CGUIImage : public IGUIImage
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{
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public:
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//! constructor
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CGUIImage(IGUIEnvironment* environment, IGUIElement* parent, s32 id, core::rect<s32> rectangle);
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//! destructor
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virtual ~CGUIImage();
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//! sets an image
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virtual void setImage(video::ITexture* image) _IRR_OVERRIDE_;
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//! Gets the image texture
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virtual video::ITexture* getImage() const _IRR_OVERRIDE_;
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//! sets the color of the image
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virtual void setColor(video::SColor color) _IRR_OVERRIDE_;
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//! sets if the image should scale to fit the element
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virtual void setScaleImage(bool scale) _IRR_OVERRIDE_;
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//! draws the element and its children
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virtual void draw() _IRR_OVERRIDE_;
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//! sets if the image should use its alpha channel to draw itself
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virtual void setUseAlphaChannel(bool use) _IRR_OVERRIDE_;
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//! Gets the color of the image
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virtual video::SColor getColor() const _IRR_OVERRIDE_;
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//! Returns true if the image is scaled to fit, false if not
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virtual bool isImageScaled() const _IRR_OVERRIDE_;
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//! Returns true if the image is using the alpha channel, false if not
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virtual bool isAlphaChannelUsed() const _IRR_OVERRIDE_;
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//! Sets the source rectangle of the image. By default the full image is used.
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virtual void setSourceRect(const core::rect<s32>& sourceRect) _IRR_OVERRIDE_;
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//! Returns the customized source rectangle of the image to be used.
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virtual core::rect<s32> getSourceRect() const _IRR_OVERRIDE_;
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//! Restrict drawing-area.
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virtual void setDrawBounds(const core::rect<f32>& drawBoundUVs) _IRR_OVERRIDE_;
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//! Get drawing-area restrictions.
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virtual core::rect<f32> getDrawBounds() const _IRR_OVERRIDE_;
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//! Sets whether to draw a background color (EGDC_3D_DARK_SHADOW) when no texture is set
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virtual void setDrawBackground(bool draw) _IRR_OVERRIDE_
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{
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DrawBackground = draw;
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}
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//! Checks if a background is drawn when no texture is set
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virtual bool isDrawBackgroundEnabled() const _IRR_OVERRIDE_
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{
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return DrawBackground;
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}
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//! Writes attributes of the element.
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virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const _IRR_OVERRIDE_;
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//! Reads attributes of the element
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virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options) _IRR_OVERRIDE_;
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protected:
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void checkBounds(core::rect<s32>& rect)
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{
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f32 clipWidth = (f32)rect.getWidth();
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f32 clipHeight = (f32)rect.getHeight();
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rect.UpperLeftCorner.X += core::round32(DrawBounds.UpperLeftCorner.X*clipWidth);
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rect.UpperLeftCorner.Y += core::round32(DrawBounds.UpperLeftCorner.Y*clipHeight);
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rect.LowerRightCorner.X -= core::round32((1.f-DrawBounds.LowerRightCorner.X)*clipWidth);
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rect.LowerRightCorner.Y -= core::round32((1.f-DrawBounds.LowerRightCorner.Y)*clipHeight);
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}
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private:
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video::ITexture* Texture;
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video::SColor Color;
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bool UseAlphaChannel;
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bool ScaleImage;
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core::rect<s32> SourceRect;
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core::rect<f32> DrawBounds;
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bool DrawBackground;
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};
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} // end namespace gui
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_GUI_
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#endif // __C_GUI_IMAGE_H_INCLUDED__
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