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SVG symbols: allow custom creation, #74

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This commit is contained in:
Emux
2016-07-19 15:50:54 +03:00
parent 21ea5a7842
commit 3d6cad1a0c
4 changed files with 164 additions and 65 deletions
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68
vtm-desktop/src/org/oscim/awt/AwtSvgBitmap.java
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@@ -28,38 +28,62 @@ import java.net.URI;
public class AwtSvgBitmap extends AwtBitmap {
/**
* Default size is 20x20px.
* Default size is 20x20px (400px).
*/
public static float DEFAULT_SIZE = 400f;
private static BufferedImage getResourceBitmap(InputStream inputStream) throws IOException {
synchronized (SVGCache.getSVGUniverse()) {
try {
URI uri = SVGCache.getSVGUniverse().loadSVG(inputStream, Integer.toString(inputStream.hashCode()));
SVGDiagram diagram = SVGCache.getSVGUniverse().getDiagram(uri);
public static BufferedImage getResourceBitmap(InputStream inputStream, float scaleFactor, float defaultSize, int width, int height, int percent) throws IOException {
try {
URI uri = SVGCache.getSVGUniverse().loadSVG(inputStream, Integer.toString(inputStream.hashCode()));
SVGDiagram diagram = SVGCache.getSVGUniverse().getDiagram(uri);
float scaleFactor = CanvasAdapter.dpi / 240;
double scale = scaleFactor / Math.sqrt((diagram.getHeight() * diagram.getWidth()) / DEFAULT_SIZE);
double scale = scaleFactor / Math.sqrt((diagram.getHeight() * diagram.getWidth()) / defaultSize);
float bitmapWidth = (float) (diagram.getWidth() * scale);
float bitmapHeight = (float) (diagram.getHeight() * scale);
float bitmapWidth = (float) (diagram.getWidth() * scale);
float bitmapHeight = (float) (diagram.getHeight() * scale);
SVGIcon icon = new SVGIcon();
icon.setAntiAlias(true);
icon.setPreferredSize(new Dimension((int) bitmapWidth, (int) bitmapHeight));
icon.setScaleToFit(true);
icon.setSvgURI(uri);
BufferedImage bufferedImage = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
icon.paintIcon(null, bufferedImage.createGraphics(), 0, 0);
float aspectRatio = diagram.getWidth() / diagram.getHeight();
return bufferedImage;
} catch (Exception e) {
throw new IOException(e);
if (width != 0 && height != 0) {
// both width and height set, override any other setting
bitmapWidth = width;
bitmapHeight = height;
} else if (width == 0 && height != 0) {
// only width set, calculate from aspect ratio
bitmapWidth = height * aspectRatio;
bitmapHeight = height;
} else if (width != 0 && height == 0) {
// only height set, calculate from aspect ratio
bitmapHeight = width / aspectRatio;
bitmapWidth = width;
}
if (percent != 100) {
bitmapWidth *= percent / 100f;
bitmapHeight *= percent / 100f;
}
SVGIcon icon = new SVGIcon();
icon.setAntiAlias(true);
icon.setPreferredSize(new Dimension((int) bitmapWidth, (int) bitmapHeight));
icon.setScaleToFit(true);
icon.setSvgURI(uri);
BufferedImage bufferedImage = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
icon.paintIcon(null, bufferedImage.createGraphics(), 0, 0);
return bufferedImage;
} catch (Exception e) {
throw new IOException(e);
}
}
AwtSvgBitmap(InputStream inputStream) throws IOException {
super(getResourceBitmap(inputStream));
private static BufferedImage getResourceBitmapImpl(InputStream inputStream) throws IOException {
synchronized (SVGCache.getSVGUniverse()) {
return getResourceBitmap(inputStream, CanvasAdapter.dpi / 240, DEFAULT_SIZE, 0, 0, 100);
}
}
public AwtSvgBitmap(InputStream inputStream) throws IOException {
super(getResourceBitmapImpl(inputStream));
}
}