mirror of
https://github.com/juce-framework/JUCE.git
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125 lines
4.2 KiB
C++
125 lines
4.2 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2015 - ROLI Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#include "JuceDemoHeader.h"
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//==============================================================================
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class IntroScreen : public Component
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{
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public:
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IntroScreen()
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: linkButton ("www.juce.com", URL ("http://www.juce.com"))
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{
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setOpaque (true);
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addAndMakeVisible (versionLabel);
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addAndMakeVisible (linkButton);
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addAndMakeVisible (logo);
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versionLabel.setColour (Label::textColourId, Colours::white);
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versionLabel.setText (String ("{version} built on {date}")
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.replace ("{version}", SystemStats::getJUCEVersion())
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.replace ("{date}", String (__DATE__).replace (" ", " ")),
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dontSendNotification);
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linkButton.setColour (HyperlinkButton::textColourId, Colours::lightblue);
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}
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void paint (Graphics& g) override
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{
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g.fillAll (Colour (0xff4d4d4d));
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}
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void resized() override
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{
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Rectangle<int> area (getLocalBounds().reduced (10));
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logo.setBounds (area);
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area = area.removeFromBottom (24);
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linkButton.setBounds (area.removeFromRight (getWidth() / 4));
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versionLabel.setBounds (area);
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}
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private:
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Label versionLabel;
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HyperlinkButton linkButton;
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//==============================================================================
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struct LogoDrawComponent : public Component,
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private Timer
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{
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LogoDrawComponent() : logoPath (MainAppWindow::getJUCELogoPath()), elapsed (0.0f)
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{
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startTimerHz (30); // repaint at 30 fps
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}
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void paint (Graphics& g) override
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{
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Path wavePath;
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const float waveStep = 10.0f;
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const float waveY = getHeight() * 0.44f;
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int i = 0;
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for (float x = waveStep * 0.5f; x < getWidth(); x += waveStep)
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{
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const float y1 = waveY + getHeight() * 0.05f * std::sin (i * 0.38f + elapsed);
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const float y2 = waveY + getHeight() * 0.10f * std::sin (i * 0.20f + elapsed * 2.0f);
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wavePath.addLineSegment (Line<float> (x, y1, x, y2), 2.0f);
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wavePath.addEllipse (x - waveStep * 0.3f, y1 - waveStep * 0.3f, waveStep * 0.6f, waveStep * 0.6f);
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wavePath.addEllipse (x - waveStep * 0.3f, y2 - waveStep * 0.3f, waveStep * 0.6f, waveStep * 0.6f);
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++i;
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}
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g.setColour (Colour::greyLevel (0.4f));
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g.fillPath (wavePath);
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g.setColour (Colour (0xc4f39082));
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g.fillPath (logoPath, RectanglePlacement (RectanglePlacement::centred)
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.getTransformToFit (logoPath.getBounds(),
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getLocalBounds().reduced (20, getHeight() / 4).toFloat()));
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}
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private:
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void timerCallback() override
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{
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repaint();
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elapsed += 0.02f;
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}
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Path logoPath;
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float elapsed;
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};
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LogoDrawComponent logo;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (IntroScreen)
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};
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// This static object will register this demo type in a global list of demos..
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static JuceDemoType<IntroScreen> demo ("00 Welcome!");
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