111 lines
3.8 KiB
C++
111 lines
3.8 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2017 - ROLI Ltd.
|
|
|
|
JUCE is an open source library subject to commercial or open-source
|
|
licensing.
|
|
|
|
By using JUCE, you agree to the terms of both the JUCE 5 End-User License
|
|
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
|
|
27th April 2017).
|
|
|
|
End User License Agreement: www.juce.com/juce-5-licence
|
|
Privacy Policy: www.juce.com/juce-5-privacy-policy
|
|
|
|
Or: You may also use this code under the terms of the GPL v3 (see
|
|
www.gnu.org/licenses).
|
|
|
|
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
|
|
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
|
|
DISCLAIMED.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
namespace juce
|
|
{
|
|
|
|
//==============================================================================
|
|
/**
|
|
A drawable object which is a bitmap image.
|
|
|
|
@see Drawable
|
|
|
|
@tags{GUI}
|
|
*/
|
|
class JUCE_API DrawableImage : public Drawable
|
|
{
|
|
public:
|
|
//==============================================================================
|
|
DrawableImage();
|
|
DrawableImage (const DrawableImage&);
|
|
|
|
/** Destructor. */
|
|
~DrawableImage();
|
|
|
|
//==============================================================================
|
|
/** Sets the image that this drawable will render. */
|
|
void setImage (const Image& imageToUse);
|
|
|
|
/** Returns the current image. */
|
|
const Image& getImage() const noexcept { return image; }
|
|
|
|
/** Sets the opacity to use when drawing the image. */
|
|
void setOpacity (float newOpacity);
|
|
|
|
/** Returns the image's opacity. */
|
|
float getOpacity() const noexcept { return opacity; }
|
|
|
|
/** Sets a colour to draw over the image's alpha channel.
|
|
|
|
By default this is transparent so isn't drawn, but if you set a non-transparent
|
|
colour here, then it will be overlaid on the image, using the image's alpha
|
|
channel as a mask.
|
|
|
|
This is handy for doing things like darkening or lightening an image by overlaying
|
|
it with semi-transparent black or white.
|
|
*/
|
|
void setOverlayColour (Colour newOverlayColour);
|
|
|
|
/** Returns the overlay colour. */
|
|
Colour getOverlayColour() const noexcept { return overlayColour; }
|
|
|
|
/** Sets the bounding box within which the image should be displayed. */
|
|
void setBoundingBox (Parallelogram<float> newBounds);
|
|
|
|
/** Sets the bounding box within which the image should be displayed. */
|
|
void setBoundingBox (Rectangle<float> newBounds);
|
|
|
|
/** Returns the position to which the image's top-left corner should be remapped in the target
|
|
coordinate space when rendering this object.
|
|
@see setTransform
|
|
*/
|
|
Parallelogram<float> getBoundingBox() const noexcept { return bounds; }
|
|
|
|
//==============================================================================
|
|
/** @internal */
|
|
void paint (Graphics&) override;
|
|
/** @internal */
|
|
bool hitTest (int x, int y) override;
|
|
/** @internal */
|
|
Drawable* createCopy() const override;
|
|
/** @internal */
|
|
Rectangle<float> getDrawableBounds() const override;
|
|
/** @internal */
|
|
Path getOutlineAsPath() const override;
|
|
|
|
private:
|
|
//==============================================================================
|
|
Image image;
|
|
float opacity = 1.0f;
|
|
Colour overlayColour { 0 };
|
|
Parallelogram<float> bounds;
|
|
|
|
DrawableImage& operator= (const DrawableImage&);
|
|
JUCE_LEAK_DETECTOR (DrawableImage)
|
|
};
|
|
|
|
} // namespace juce
|