mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-10 23:44:24 +00:00
80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2022 - 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 7 End-User License
|
|
Agreement and JUCE Privacy Policy.
|
|
|
|
End User License Agreement: www.juce.com/juce-7-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.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "../jucer_JucerDocument.h"
|
|
#include "../jucer_PaintRoutine.h"
|
|
|
|
//==============================================================================
|
|
class SnapGridPainter
|
|
{
|
|
public:
|
|
SnapGridPainter()
|
|
: snapGridSize (-1), snapShown (false)
|
|
{
|
|
}
|
|
|
|
bool updateFromDesign (JucerDocument& design)
|
|
{
|
|
if (snapGridSize != design.getSnappingGridSize()
|
|
|| snapShown != (design.isSnapShown() && design.isSnapActive (false)))
|
|
{
|
|
snapGridSize = design.getSnappingGridSize();
|
|
snapShown = design.isSnapShown() && design.isSnapActive (false);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void draw (Graphics& g, PaintRoutine* backgroundGraphics)
|
|
{
|
|
if (snapShown && snapGridSize > 2)
|
|
{
|
|
Colour col (Colours::black);
|
|
|
|
if (backgroundGraphics != nullptr)
|
|
col = backgroundGraphics->getBackgroundColour().contrasting();
|
|
|
|
const Rectangle<int> clip (g.getClipBounds());
|
|
|
|
RectangleList<float> gridLines;
|
|
|
|
for (int x = clip.getX() - (clip.getX() % snapGridSize); x < clip.getRight(); x += snapGridSize)
|
|
gridLines.addWithoutMerging (Rectangle<float> ((float) x, 0.0f, 1.0f, (float) clip.getBottom()));
|
|
|
|
for (int y = clip.getY() - (clip.getY() % snapGridSize); y < clip.getBottom(); y += snapGridSize)
|
|
gridLines.addWithoutMerging (Rectangle<float> (0.0f, (float) y, (float) clip.getRight(), 1.0f));
|
|
|
|
g.setColour (col.withAlpha (0.1f));
|
|
g.fillRectList (gridLines);
|
|
}
|
|
}
|
|
|
|
private:
|
|
int snapGridSize;
|
|
bool snapShown;
|
|
};
|