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Legaeli
2025-10-22 09:20:23 +02:00
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CrystalizerEQ/JUCE/modules/juce_box2d/utils/juce_Box2DRenderer.cpp
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/*
==============================================================================
This file is part of the JUCE framework.
Copyright (c) Raw Material Software Limited
JUCE is an open source framework subject to commercial or open source
licensing.
By downloading, installing, or using the JUCE framework, or combining the
JUCE framework with any other source code, object code, content or any other
copyrightable work, you agree to the terms of the JUCE End User Licence
Agreement, and all incorporated terms including the JUCE Privacy Policy and
the JUCE Website Terms of Service, as applicable, which will bind you. If you
do not agree to the terms of these agreements, we will not license the JUCE
framework to you, and you must discontinue the installation or download
process and cease use of the JUCE framework.
JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
JUCE Privacy Policy: https://juce.com/juce-privacy-policy
JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
Or:
You may also use this code under the terms of the AGPLv3:
https://www.gnu.org/licenses/agpl-3.0.en.html
THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
==============================================================================
*/
namespace juce
{
Box2DRenderer::Box2DRenderer() noexcept : graphics (nullptr)
{
SetFlags (e_shapeBit);
}
void Box2DRenderer::render (Graphics& g, b2World& world,
float left, float top, float right, float bottom,
const Rectangle<float>& target)
{
graphics = &g;
g.addTransform (AffineTransform::fromTargetPoints (left, top, target.getX(), target.getY(),
right, top, target.getRight(), target.getY(),
left, bottom, target.getX(), target.getBottom()));
world.SetDebugDraw (this);
world.DrawDebugData();
}
Colour Box2DRenderer::getColour (const b2Color& c) const
{
return Colour::fromFloatRGBA (c.r, c.g, c.b, 1.0f);
}
float Box2DRenderer::getLineThickness() const
{
return 0.1f;
}
static void createPath (Path& p, const b2Vec2* vertices, int32 vertexCount)
{
p.startNewSubPath (vertices[0].x, vertices[0].y);
for (int i = 1; i < vertexCount; ++i)
p.lineTo (vertices[i].x, vertices[i].y);
p.closeSubPath();
}
void Box2DRenderer::DrawPolygon (const b2Vec2* vertices, int32 vertexCount, const b2Color& color)
{
graphics->setColour (getColour (color));
Path p;
createPath (p, vertices, vertexCount);
graphics->strokePath (p, PathStrokeType (getLineThickness()));
}
void Box2DRenderer::DrawSolidPolygon (const b2Vec2* vertices, int32 vertexCount, const b2Color& color)
{
graphics->setColour (getColour (color));
Path p;
createPath (p, vertices, vertexCount);
graphics->fillPath (p);
}
void Box2DRenderer::DrawCircle (const b2Vec2& center, float32 radius, const b2Color& color)
{
graphics->setColour (getColour (color));
graphics->drawEllipse (center.x - radius, center.y - radius,
radius * 2.0f, radius * 2.0f,
getLineThickness());
}
void Box2DRenderer::DrawSolidCircle (const b2Vec2& center, float32 radius, const b2Vec2& /*axis*/, const b2Color& colour)
{
graphics->setColour (getColour (colour));
graphics->fillEllipse (center.x - radius, center.y - radius,
radius * 2.0f, radius * 2.0f);
}
void Box2DRenderer::DrawSegment (const b2Vec2& p1, const b2Vec2& p2, const b2Color& color)
{
graphics->setColour (getColour (color));
graphics->drawLine (p1.x, p1.y, p2.x, p2.y, getLineThickness());
}
void Box2DRenderer::DrawTransform (const b2Transform&)
{
}
} // namespace juce
CrystalizerEQ/JUCE/modules/juce_box2d/utils/juce_Box2DRenderer.h
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/*
==============================================================================
This file is part of the JUCE framework.
Copyright (c) Raw Material Software Limited
JUCE is an open source framework subject to commercial or open source
licensing.
By downloading, installing, or using the JUCE framework, or combining the
JUCE framework with any other source code, object code, content or any other
copyrightable work, you agree to the terms of the JUCE End User Licence
Agreement, and all incorporated terms including the JUCE Privacy Policy and
the JUCE Website Terms of Service, as applicable, which will bind you. If you
do not agree to the terms of these agreements, we will not license the JUCE
framework to you, and you must discontinue the installation or download
process and cease use of the JUCE framework.
JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
JUCE Privacy Policy: https://juce.com/juce-privacy-policy
JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
Or:
You may also use this code under the terms of the AGPLv3:
https://www.gnu.org/licenses/agpl-3.0.en.html
THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR 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