paulxstretch/deps/juce/modules/juce_box2d/utils/juce_Box2DRenderer.h

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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
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 6 End-User License
Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
End User License Agreement: www.juce.com/juce-6-licence
Privacy Policy: www.juce.com/juce-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 simple implementation of the b2Draw class, used to draw a Box2D world.
To use it, simply create an instance of this class in your paint() method,
and call its render() method.
@tags{Box2D}
*/
class Box2DRenderer : public b2Draw
{
public:
Box2DRenderer() noexcept;
/** Renders the world.
@param g the context to render into
@param world the world to render
@param box2DWorldLeft the left coordinate of the area of the world to be drawn
@param box2DWorldTop the top coordinate of the area of the world to be drawn
@param box2DWorldRight the right coordinate of the area of the world to be drawn
@param box2DWorldBottom the bottom coordinate of the area of the world to be drawn
@param targetArea the area within the target context onto which the source
world rectangle should be mapped
*/
void render (Graphics& g,
b2World& world,
float box2DWorldLeft, float box2DWorldTop,
float box2DWorldRight, float box2DWorldBottom,
const Rectangle<float>& targetArea);
// b2Draw methods:
void DrawPolygon (const b2Vec2*, int32, const b2Color&) override;
void DrawSolidPolygon (const b2Vec2*, int32, const b2Color&) override;
void DrawCircle (const b2Vec2& center, float32 radius, const b2Color&) override;
void DrawSolidCircle (const b2Vec2& center, float32 radius, const b2Vec2& axis, const b2Color&) override;
void DrawSegment (const b2Vec2& p1, const b2Vec2& p2, const b2Color&) override;
void DrawTransform (const b2Transform& xf) override;
/** Converts a b2Color to a juce Colour. */
virtual Colour getColour (const b2Color&) const;
/** Returns the thickness to use for drawing outlines. */
virtual float getLineThickness() const;
protected:
Graphics* graphics;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Box2DRenderer)
};
} // namespace juce