Examples of java.awt.Graphics.translate()

java.awt.Graphics.translate()
Translates the origin of the graphics context to the point (x, y) in the current coordinate system. Modifies this graphics context so that its new origin corresponds to the point (x, y) in this graphics context's original coordinate system. All coordinates used in subsequent rendering operations on this graphics context will be relative to this new origin. @param x the x coordinate. @param y the y coordinate.

        public void runTest(Object ctx, int numReps) {
            ImageTests.Context ictx = (ImageTests.Context) ctx;
            int x = ictx.initX;
            int y = ictx.initY;
            Graphics g = ictx.graphics;
            g.translate(ictx.orgX, ictx.orgY);
            Image src = ictx.src;
            if (ictx.animate) {
                do {
                    g.drawImage(src, x, y, null);
                    if ((x -= 3) < 0) x += ictx.maxX;

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            } else {
                do {
                    g.drawImage(src, x, y, null);
                } while (--numReps > 0);
            }
            g.translate(-ictx.orgX, -ictx.orgY);
        }
    }


    public static class DrawImageBg extends ImageTests {
        public DrawImageBg() {

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        public void runTest(Object ctx, int numReps) {
            ImageTests.Context ictx = (ImageTests.Context) ctx;
            int x = ictx.initX;
            int y = ictx.initY;
            Graphics g = ictx.graphics;
            g.translate(ictx.orgX, ictx.orgY);
            Image src = ictx.src;
            Color bg = Color.orange;
            if (ictx.animate) {
                do {
                    g.drawImage(src, x, y, bg, null);

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            } else {
                do {
                    g.drawImage(src, x, y, bg, null);
                } while (--numReps > 0);
            }
            g.translate(-ictx.orgX, -ictx.orgY);
        }
    }


    public static class DrawImageScale extends ImageTests {
        float scale;

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            int x = ictx.initX;
            int y = ictx.initY;
            int w = ictx.outdim.width;
            int h = ictx.outdim.height;
            Graphics g = ictx.graphics;
            g.translate(ictx.orgX, ictx.orgY);
            Image src = ictx.src;
            if (ictx.animate) {
                do {
                    g.drawImage(src, x, y, w, h, null);
                    if ((x -= 3) < 0) x += ictx.maxX;

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            } else {
                do {
                    g.drawImage(src, x, y, w, h, null);
                } while (--numReps > 0);
            }
            g.translate(-ictx.orgX, -ictx.orgY);
        }
    }


    public static class DrawImageTransform extends ImageTests {
        public DrawImageTransform() {

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            GraphicsTests.Context gctx = (GraphicsTests.Context)ctx;
            int size = gctx.size;
            int x = gctx.initX;
            int y = gctx.initY;
            Graphics g = gctx.graphics;
            g.translate(gctx.orgX, gctx.orgY);
            if (gctx.animate) {
                do {
                    g.copyArea(x, y, size, size, dx, dy);
                    if ((x -= 3) < 0) x += gctx.maxX;
                    if ((y -= 1) < 0) y += gctx.maxY;

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                clipRect.width + 1, clipRect.height + 1);
        if (image == null) {
            return;
        }
        Graphics offscreenGraphics = image.getGraphics();
        offscreenGraphics.translate(-clipRect.x, -clipRect.y);
        offscreenGraphics.setClip(clipRect);
        doubleBufferingRoot = true;
        try {
            paint(getComponentGraphics(offscreenGraphics));
            g.drawImage(image, clipRect.x, clipRect.y, this);

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            }
            
            Graphics g = externalFrame.getGraphics();
            g.clearRect(0, 0, 200, 200);
            externalFrame.paint(g);
            g.translate(externalFrame.getInsets().left, externalFrame.getInsets().top);
            ((Graphics2D)g).setTransform(((Graphics2D)originalGraphics).getTransform());
            
            g.setColor(originalGraphics.getColor());                        
            
            if (isFlashing()) {

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                    doDrawText(g, drawRect, selectionVisible, selStart, selEnd, hiliteColor);
                }
                else {
                    Image offscreenBuffer = fBufferCache.getBuffer(drawRect.width, drawRect.height);
                    Graphics offscreenGraphics = offscreenBuffer.getGraphics();
                    offscreenGraphics.translate(-drawRect.x, -drawRect.y);
    
                    doDrawText(offscreenGraphics, drawRect, selectionVisible, selStart, selEnd, hiliteColor);
    
                    g.drawImage(offscreenBuffer, drawRect.x, drawRect.y, fHost.fHost);
                }

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