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Lines 12-17
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import org.eclipse.swt.SWT; |
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import org.eclipse.swt.SWT; |
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import org.eclipse.swt.graphics.*; |
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import org.eclipse.swt.graphics.*; |
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import org.eclipse.swt.widgets.Display; |
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/** |
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/** |
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* Abstract base class for image descriptors that synthesize |
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* Abstract base class for image descriptors that synthesize |
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Lines 91-96
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PaletteData palette = src.palette; |
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PaletteData palette = src.palette; |
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if (palette.isDirect) { |
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if (palette.isDirect) { |
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Display display = Display.getCurrent(); |
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RGB bckRGB = display != null |
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? display.getSystemColor(SWT.COLOR_LIST_BACKGROUND).getRGB() |
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: new RGB(0xff, 0xff, 0xff); |
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ImageData mask = src.getTransparencyMask(); |
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ImageData mask = src.getTransparencyMask(); |
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Lines 110-118
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int b = pixel & palette.blueMask; |
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int b = pixel & palette.blueMask; |
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b = (palette.blueShift < 0) ? b >>> -palette.blueShift : b << palette.blueShift; |
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b = (palette.blueShift < 0) ? b >>> -palette.blueShift : b << palette.blueShift; |
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pixel = alloc(out, r, g, b); |
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int a = src.getAlpha(x, y); |
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if (a != 0) { |
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imageData.setPixel(xx, yy, pixel); |
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if (a != 0xff) { |
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int ap = 0xff - a; |
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int dPixel = imageData.getPixel(xx, yy); |
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RGB dRGB = dPixel != 0 ? out[dPixel] : bckRGB; |
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r = (dRGB.red * ap + r * a) / 256; |
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g = (dRGB.green * ap + g * a) / 256; |
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b = (dRGB.blue * ap + b * a) / 256; |
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} |
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pixel = alloc(out, r, g, b); |
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imageData.setPixel(xx, yy, pixel); |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
