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Feature Proposal: Rasterization of SVGs at Runtime for Eclipse Icons #2593

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Feature Proposal: Rasterization of SVGs at Runtime for Eclipse Icons #2593

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3e77046
Logic for SVG rasterization
Michael5601 Nov 5, 2024
284f5da
added svgs
Michael5601 Dec 3, 2024
4b0ce82
Refactor names of SVGRasterizer and ISVGRasterizer
Michael5601 Dec 11, 2024
2b71399
Remove SVGUtil and move utility methods into JSVGRasterizer
Michael5601 Dec 11, 2024
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2 changes: 1 addition & 1 deletion bundles/org.eclipse.jface/src/org/eclipse/jface/resource/CompositeImageDescriptor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -450,7 +450,7 @@ protected boolean supportsZoomLevel(int zoom) {
// Currently only support integer zoom levels, because getZoomedImageData(..)
// suffers from Bug 97506: [HiDPI] ImageData.scaledTo() should use a
// better interpolation method.
return zoom > 0 && zoom % 100 == 0;
return true;
}

private ImageData getZoomedImageData(ImageDataProvider srcProvider) {
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2 changes: 1 addition & 1 deletion bundles/org.eclipse.jface/src/org/eclipse/jface/resource/FileImageDescriptor.java
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Expand Up @@ -126,7 +126,7 @@ public ImageData getImageData(int zoom) {
InputStream in = getStream(zoom);
if (in != null) {
try (BufferedInputStream stream = new BufferedInputStream(in)) {
return new ImageData(stream);
return new ImageData(stream, zoom);
} catch (SWTException e) {
if (e.code != SWT.ERROR_INVALID_IMAGE) {
throw e;
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34 changes: 30 additions & 4 deletions bundles/org.eclipse.jface/src/org/eclipse/jface/resource/URLImageDescriptor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,8 @@
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.ImageDataProvider;
import org.eclipse.swt.graphics.ImageFileNameProvider;
import org.eclipse.swt.graphics.SVGRasterizer;
import org.eclipse.swt.graphics.SVGRasterizerRegistry;

/**
* An ImageDescriptor that gets its information from a URL. This class is not
Expand All @@ -59,6 +61,16 @@ public URLImageFileNameProvider(String url) {
public String getImagePath(int zoom) {
URL tempURL = getURL(url);
if (tempURL != null) {
SVGRasterizer rasterizer = SVGRasterizerRegistry.getRasterizer();
if (rasterizer != null) {
try (InputStream in = getStream(tempURL)) {
if (rasterizer.isSVGFile(in)) {
return getFilePath(tempURL, false);
}
} catch (IOException e) {
// ignore.
}
}
final boolean logIOException = zoom == 100;
if (zoom == 100) {
return getFilePath(tempURL, logIOException);
Expand Down Expand Up @@ -139,12 +151,22 @@ public ImageData getImageData(int zoom) {
private static ImageData getImageData(String url, int zoom) {
URL tempURL = getURL(url);
if (tempURL != null) {
SVGRasterizer rasterizer = SVGRasterizerRegistry.getRasterizer();
if (rasterizer != null) {
try (InputStream in = getStream(tempURL)) {
if (rasterizer.isSVGFile(in)) {
return getImageData(tempURL, zoom);
}
} catch (IOException e) {
// ignore.
}
}
if (zoom == 100) {
return getImageData(tempURL);
return getImageData(tempURL, zoom);
}
URL xUrl = getxURL(tempURL, zoom);
if (xUrl != null) {
ImageData xdata = getImageData(xUrl);
ImageData xdata = getImageData(xUrl, zoom);
if (xdata != null) {
return xdata;
}
Expand All @@ -153,18 +175,22 @@ private static ImageData getImageData(String url, int zoom) {
if (xpath != null) {
URL xPathUrl = getURL(xpath);
if (xPathUrl != null) {
return getImageData(xPathUrl);
return getImageData(xPathUrl, zoom);
}
}
}
return null;
}

private static ImageData getImageData(URL url) {
return getImageData(url, 0);
}

private static ImageData getImageData(URL url, int zoom) {
ImageData result = null;
try (InputStream in = getStream(url)) {
if (in != null) {
result = new ImageData(in);
result = new ImageData(in, zoom);
}
} catch (SWTException e) {
if (e.code != SWT.ERROR_INVALID_IMAGE) {
Expand Down
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