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/*
==============================================================================
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
//==============================================================================
class SVGPathDataComponent : public Component,
public FileDragAndDropTarget
{
public:
SVGPathDataComponent()
{
desc.setJustificationType (Justification::centred);
addAndMakeVisible (desc);
userText.setFont (getAppSettings().appearance.getCodeFont().withHeight (13.0f));
userText.setMultiLine (true, true);
userText.setReturnKeyStartsNewLine (true);
addAndMakeVisible (userText);
userText.onTextChange = [this] { update(); };
userText.onEscapeKey = [this] { getTopLevelComponent()->exitModalState (0); };
resultText.setFont (getAppSettings().appearance.getCodeFont().withHeight (13.0f));
resultText.setMultiLine (true, true);
resultText.setReadOnly (true);
resultText.setSelectAllWhenFocused (true);
addAndMakeVisible (resultText);
userText.setText (getLastText());
addAndMakeVisible (copyButton);
copyButton.onClick = [this] { SystemClipboard::copyTextToClipboard (resultText.getText()); };
addAndMakeVisible (closeSubPathButton);
closeSubPathButton.onClick = [this] { update(); };
closeSubPathButton.setToggleState (true, NotificationType::dontSendNotification);
addAndMakeVisible (fillPathButton);
fillPathButton.onClick = [this] { update(); };
fillPathButton.setToggleState (true, NotificationType::dontSendNotification);
}
void update()
{
getLastText() = userText.getText();
auto text = getLastText().trim().unquoted().trim();
path = Drawable::parseSVGPath (text);
if (path.isEmpty())
path = pathFromPoints (text);
String result = "No path generated.. Not a valid SVG path string?";
if (! path.isEmpty())
{
MemoryOutputStream data;
path.writePathToStream (data);
MemoryOutputStream out;
out << "static const unsigned char pathData[] = ";
build_tools::writeDataAsCppLiteral (data.getMemoryBlock(), out, false, true);
out << newLine
<< newLine
<< "Path path;" << newLine
<< "path.loadPathFromData (pathData, sizeof (pathData));" << newLine;
result = out.toString();
}
resultText.setText (result, false);
repaint (previewPathArea);
}
void resized() override
{
auto r = getLocalBounds().reduced (8);
auto bottomSection = r.removeFromBottom (30);
copyButton.setBounds (bottomSection.removeFromLeft (50));
bottomSection.removeFromLeft (25);
fillPathButton.setBounds (bottomSection.removeFromLeft (bottomSection.getWidth() / 2));
closeSubPathButton.setBounds (bottomSection);
r.removeFromBottom (5);
desc.setBounds (r.removeFromTop (44));
r.removeFromTop (8);
userText.setBounds (r.removeFromTop (r.getHeight() / 2));
r.removeFromTop (8);
previewPathArea = r.removeFromRight (r.getHeight());
resultText.setBounds (r);
}
void paint (Graphics& g) override
{
if (dragOver)
{
g.setColour (findColour (secondaryBackgroundColourId).brighter());
g.fillAll();
}
g.setColour (findColour (defaultTextColourId));
path.applyTransform (path.getTransformToScaleToFit (previewPathArea.reduced (4).toFloat(), true));
if (fillPathButton.getToggleState())
g.fillPath (path);
else
g.strokePath (path, PathStrokeType (2.0f));
}
void lookAndFeelChanged() override
{
userText.applyFontToAllText (userText.getFont());
resultText.applyFontToAllText (resultText.getFont());
}
bool isInterestedInFileDrag (const StringArray& files) override
{
return files.size() == 1
&& File (files[0]).hasFileExtension ("svg");
}
void fileDragEnter (const StringArray&, int, int) override
{
dragOver = true;
repaint();
}
void fileDragExit (const StringArray&) override
{
dragOver = false;
repaint();
}
void filesDropped (const StringArray& files, int, int) override
{
dragOver = false;
repaint();
if (auto element = parseXML (File (files[0])))
{
if (auto* ePath = element->getChildByName ("path"))
userText.setText (ePath->getStringAttribute ("d"), true);
else if (auto* ePolygon = element->getChildByName ("polygon"))
userText.setText (ePolygon->getStringAttribute ("points"), true);
}
}
Path pathFromPoints (String pointsText)
{
auto points = StringArray::fromTokens (pointsText, " ,", "");
points.removeEmptyStrings();
jassert (points.size() % 2 == 0);
Path p;
for (int i = 0; i < points.size() / 2; i++)
{
auto x = points[i * 2].getFloatValue();
auto y = points[i * 2 + 1].getFloatValue();
if (i == 0)
p.startNewSubPath ({ x, y });
else
p.lineTo ({ x, y });
}
if (closeSubPathButton.getToggleState())
p.closeSubPath();
return p;
}
private:
Label desc { {}, "Paste an SVG path string into the top box, and it'll be converted to some C++ "
"code that will load it as a Path object.." };
TextButton copyButton { "Copy" };
TextEditor userText, resultText;
ToggleButton closeSubPathButton { "Close sub-path" };
ToggleButton fillPathButton { "Fill path" };
Rectangle<int> previewPathArea;
Path path;
bool dragOver = false;
String& getLastText()
{
static String t;
return t;
}
};
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