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89 lines
3.2 KiB
C++
89 lines
3.2 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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#pragma once
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#include "../jucer_JucerDocument.h"
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#include "../jucer_PaintRoutine.h"
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//==============================================================================
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class SnapGridPainter
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{
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public:
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SnapGridPainter()
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: snapGridSize (-1), snapShown (false)
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{
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}
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bool updateFromDesign (JucerDocument& design)
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{
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if (snapGridSize != design.getSnappingGridSize()
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|| snapShown != (design.isSnapShown() && design.isSnapActive (false)))
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{
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snapGridSize = design.getSnappingGridSize();
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snapShown = design.isSnapShown() && design.isSnapActive (false);
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return true;
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}
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return false;
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}
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void draw (Graphics& g, PaintRoutine* backgroundGraphics)
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{
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if (snapShown && snapGridSize > 2)
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{
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Colour col (Colours::black);
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if (backgroundGraphics != nullptr)
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col = backgroundGraphics->getBackgroundColour().contrasting();
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const Rectangle<int> clip (g.getClipBounds());
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RectangleList<float> gridLines;
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for (int x = clip.getX() - (clip.getX() % snapGridSize); x < clip.getRight(); x += snapGridSize)
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gridLines.addWithoutMerging (Rectangle<float> ((float) x, 0.0f, 1.0f, (float) clip.getBottom()));
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for (int y = clip.getY() - (clip.getY() % snapGridSize); y < clip.getBottom(); y += snapGridSize)
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gridLines.addWithoutMerging (Rectangle<float> (0.0f, (float) y, (float) clip.getRight(), 1.0f));
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g.setColour (col.withAlpha (0.1f));
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g.fillRectList (gridLines);
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}
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}
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private:
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int snapGridSize;
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bool snapShown;
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};
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