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Replacing Image(Device, ImageData) constructor in DefaultRangeIndicator with Image(Device, ImageDataProvider) #3003

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Replacing Image(Device, ImageData) constructor in DefaultRangeIndicator with Image(Device, ImageDataProvider) #3003

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4723e32
Replacing Image(Device, ImageData) constructor in DefaultRangeIndicat…
arunjose696 May 22, 2025
ae6249d
Update bundles/org.eclipse.ui.workbench.texteditor/src/org/eclipse/ui…
arunjose696 May 22, 2025
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28 changes: 22 additions & 6 deletions ....eclipse.ui.workbench.texteditor/src/org/eclipse/ui/texteditor/DefaultRangeIndicator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.ImageDataProvider;
import org.eclipse.swt.graphics.PaletteData;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.RGB;
Expand Down Expand Up @@ -139,16 +140,31 @@ private static Image createImage(Display display, Point size, Color rangeIndicat
int height= size.y;


ImageData imageData= new ImageData(width, height, 1, createPalette(display, rangeIndicatorColor));
ImageDataProvider imageDataProvider = zoom -> {

float scaleFactor = (float) ((zoom) / 100.0);
int scaledWidth = Math.round(width * scaleFactor);
int scaledHeight = Math.round(height * scaleFactor);
ImageData imageData = new ImageData(scaled_width, scaled_height,
1,
createPalette(display, rangeIndicatorColor));
int blockSize = Math.round(scaleFactor);
for (int y = 0; y < scaled_height; y++)
for (int x = 0; x < scaled_width; x++) {
if (((x / blockSize) + (y / blockSize)) % 2 == 0) {
imageData.setPixel(x, y, 1);
}

}
imageData.transparentPixel = 1;
return imageData;

};

for (int y= 0, offset= 1; y < height; y++, offset= (offset + 1) % 2)
for (int x= offset; x < width; x += 2)
imageData.setPixel(x, y, 1);

imageData.transparentPixel= 1;


return new Image(display, imageData);
return new Image(display, imageDataProvider);
}

/**
Expand Down