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/*
==============================================================================
This file is part of the JUCE examples.
Copyright (c) 2017 - ROLI Ltd.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES,
WHETHER EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR
PURPOSE, ARE DISCLAIMED.
==============================================================================
*/
/*******************************************************************************
The block below describes the properties of this PIP. A PIP is a short snippet
of code that can be read by the Projucer and used to generate a JUCE project.
BEGIN_JUCE_PIP_METADATA
name: LiveConstantDemo
version: 1.0.0
vendor: JUCE
website: http://juce.com
description: Demonstrates the live constant macro.
dependencies: juce_core, juce_data_structures, juce_events, juce_graphics,
juce_gui_basics, juce_gui_extra
exporters: xcode_mac, vs2017, linux_make, androidstudio, xcode_iphone
moduleFlags: JUCE_STRICT_REFCOUNTEDPOINTER=1
type: Component
mainClass: LiveConstantDemo
useLocalCopy: 1
END_JUCE_PIP_METADATA
*******************************************************************************/
#pragma once
#include "../Assets/DemoUtilities.h"
//==============================================================================
struct LiveConstantDemoComponent : public Component
{
LiveConstantDemoComponent() {}
void paint (Graphics& g) override
{
g.fillAll (JUCE_LIVE_CONSTANT (Colour (0xffe5e7a7)));
g.setColour (JUCE_LIVE_CONSTANT (Colours::red.withAlpha (0.2f)));
auto blockWidth = JUCE_LIVE_CONSTANT (0x120);
auto blockHeight = JUCE_LIVE_CONSTANT (200);
g.fillRect ((getWidth() - blockWidth) / 2, (getHeight() - blockHeight) / 2, blockWidth, blockHeight);
auto fontColour = JUCE_LIVE_CONSTANT (Colour (0xff000a55));
auto fontSize = JUCE_LIVE_CONSTANT (30.0f);
g.setColour (fontColour);
g.setFont (fontSize);
g.drawFittedText (getDemoText(), getLocalBounds(), Justification::centred, 2);
}
static String getDemoText()
{
return JUCE_LIVE_CONSTANT ("Hello world!");
}
};
//==============================================================================
class LiveConstantDemo : public Component
{
public:
LiveConstantDemo()
{
descriptionLabel.setMinimumHorizontalScale (1.0f);
descriptionLabel.setText ("This demonstrates the JUCE_LIVE_CONSTANT macro, which allows you to quickly "
"adjust primitive values at runtime by just wrapping them in a macro.\n\n"
"To understand what's going on in this demo, you should have a look at the "
"LiveConstantDemoComponent class, where you can see the code that's invoking the demo below...",
dontSendNotification);
addAndMakeVisible (descriptionLabel);
addAndMakeVisible (startButton);
addChildComponent (demoComp);
startButton.onClick = [this] { start(); };
setSize (500, 500);
}
void paint (Graphics& g) override
{
g.fillAll (getUIColourIfAvailable (LookAndFeel_V4::ColourScheme::UIColour::windowBackground));
}
void resized() override
{
auto r = getLocalBounds().reduced (10);
descriptionLabel.setBounds (r.removeFromTop (200));
startButton .setBounds (r.removeFromTop (22).removeFromLeft (250));
demoComp .setBounds (r.withTrimmedTop (10));
}
void start()
{
startButton.setVisible (false);
demoComp .setVisible (true);
descriptionLabel.setText ("Tweak some of the colours and values in the pop-up window to see what "
"the effect of your changes would be on the component below...",
dontSendNotification);
}
private:
Label descriptionLabel;
TextButton startButton { "Begin Demo" };
LiveConstantDemoComponent demoComp;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (LiveConstantDemo)
};
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