Java Code Examples for java.awt.image.BufferedImage.getAlphaRaster()
The following are Jave code examples for showing how to use
getAlphaRaster() of the
java.awt.image.BufferedImage
class.
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Example 1
Project: incubator-netbeans File: ColorUtil.java View Source Code | 6 votes |
/** * Create a backing bitmap, painting the texture into it with the specified * parameters. The bitmap will be created at 2*height, so that even if * there is some minor variation in height, it will not force recreating the * bitmap */ private static BufferedImage createBitmap(int height, int type, int yDecline) { //Create an optimal image for blitting to the screen with no format conversion BufferedImage result = GraphicsEnvironment.getLocalGraphicsEnvironment() .getDefaultScreenDevice().getDefaultConfiguration().createCompatibleImage( 200, height * 2); Graphics g = result.getGraphics(); if (result.getAlphaRaster() == null) { Color c = type == FOCUS_TYPE ? MetalViewTabDisplayerUI.getActBgColor() : MetalViewTabDisplayerUI.getInactBgColor(); g.setColor(c); g.fillRect(0, 0, DEFAULT_IMAGE_WIDTH, height * 2); } //draw the texture into the offscreen image _drawTexture(g, 0, 0, DEFAULT_IMAGE_WIDTH, height * 2, type, yDecline); return result; }