Examples with CanvasImage playn.core.CanvasImage used on opensource projects

Example 6 with CanvasImage

use of playn.core.CanvasImage in project playn by threerings.

the class TextTest method makeTextImage.

protected Image makeTextImage() {
    TextFormat format = new TextFormat(graphics().createFont(font.value(), style.value(), 24), true);
    float wrapWidth = wrap.value() == 0 ? Float.MAX_VALUE : graphics().width() * wrap.value() / 100;
    TextBlock block = new TextBlock(graphics().layoutText(sample, format, new TextWrap(wrapWidth)));
    float awidth = adjustWidth(block.bounds.width()), aheight = adjustHeight(block.bounds.height());
    float pad = TextBlock.pad();
    CanvasImage image = graphics().createImage(awidth + 2 * pad, aheight + 2 * pad);
    image.canvas().translate(pad, pad);
    image.canvas().setStrokeColor(0xFFFFCCCC).strokeRect(0, 0, awidth, aheight);
    render(image.canvas(), block, align.value(), lineBounds.value());
    return image;
}

Example 7 with CanvasImage

use of playn.core.CanvasImage in project playn by threerings.

the class AlphaLayerTest method init.

@Override
public void init() {
    final GroupLayer rootLayer = graphics().rootLayer();
    final float fullWidth = 6 * width, fullHeight = 3 * height;
    // add a half white, half blue background
    SurfaceImage bg = graphics().createSurface(fullWidth, fullHeight);
    bg.surface().setFillColor(Color.rgb(255, 255, 255));
    bg.surface().fillRect(0, 0, fullWidth, fullHeight);
    bg.surface().setFillColor(Color.rgb(0, 0, 255));
    bg.surface().fillRect(0, 2 * height, fullWidth, height);
    rootLayer.add(graphics().createImageLayer(bg));
    addDescrip("all layers contained in group layer with a=0.5\n" + "thus, fully composited a=0.25", offset, fullHeight + 5, fullWidth);
    // add a 50% transparent group layer
    final GroupLayer groupLayer = graphics().createGroupLayer();
    groupLayer.setAlpha(0.5f);
    rootLayer.add(groupLayer);
    assets().getImage("images/alphalayertest.png").addCallback(new Callback<Image>() {

        @Override
        public void onSuccess(Image image) {
            // add the layers over the white background
            float x = offset;
            groupLayer.addAt(graphics().createImageLayer(image).setAlpha(0.5f), x, offset);
            addDescrip("image\nimg layer a=0.5", x, offset + height, width);
            x += width;
            SurfaceImage surf1 = graphics().createSurface(image.width(), image.height());
            surf1.surface().setAlpha(0.5f).drawImage(image, 0, 0);
            groupLayer.addAt(graphics().createImageLayer(surf1), x, offset);
            addDescrip("surface a=0.5\nimg layer a=1", x, offset + height, width);
            x += width;
            SurfaceImage surf2 = graphics().createSurface(image.width(), image.height());
            surf2.surface().drawImage(image, 0, 0);
            groupLayer.addAt(graphics().createImageLayer(surf2).setAlpha(0.5f), x, offset);
            addDescrip("surface a=1\nimg layer a=0.5", x, offset + height, width);
            x += width;
            CanvasImage canvas1 = graphics().createImage(image.width(), image.height());
            canvas1.canvas().drawImage(image, 0, 0);
            groupLayer.addAt(graphics().createImageLayer(canvas1).setAlpha(0.5f), x, offset);
            addDescrip("canvas a=1\nimg layer a=0.5", x, offset + height, width);
            x += width;
            CanvasImage canvas2 = graphics().createImage(image.width(), image.height());
            canvas2.canvas().setAlpha(0.5f).drawImage(image, 0, 0);
            groupLayer.addAt(graphics().createImageLayer(canvas2), x, offset);
            addDescrip("canvas a=0.5\nimg layer a=1", x, offset + height, width);
            x += width;
            // add the same layers over the blue background
            x = offset;
            groupLayer.addAt(graphics().createImageLayer(image).setAlpha(0.5f), x, offset + 2 * height);
            x += width;
            SurfaceImage surf1b = graphics().createSurface(image.width(), image.height());
            surf1b.surface().setAlpha(0.5f).drawImage(image, 0, 0);
            groupLayer.addAt(graphics().createImageLayer(surf1b), x, offset + 2 * height);
            x += width;
            SurfaceImage surf2b = graphics().createSurface(image.width(), image.height());
            surf2b.surface().drawImage(image, 0, 0);
            groupLayer.addAt(graphics().createImageLayer(surf2b).setAlpha(0.5f), x, offset + 2 * height);
            x += width;
            CanvasImage canvas1b = graphics().createImage(image.width(), image.height());
            canvas1b.canvas().drawImage(image, 0, 0);
            groupLayer.addAt(graphics().createImageLayer(canvas1b).setAlpha(0.5f), x, offset + 2 * height);
            x += width;
            CanvasImage canvas2b = graphics().createImage(image.width(), image.height());
            canvas2b.canvas().setAlpha(0.5f).drawImage(image, 0, 0);
            groupLayer.addAt(graphics().createImageLayer(canvas2b), x, offset + 2 * height);
            // add some copies of the image at 1, 0.5, 0.25 and 0.125 alpha
            x = offset + width;
            for (float alpha : new float[] { 1, 1 / 2f, 1 / 4f, 1 / 8f }) {
                float y = fullHeight + 50;
                rootLayer.addAt(graphics().createImageLayer(image).setAlpha(alpha), x, y);
                addDescrip("image a=" + alpha, x, y + height / 2, width / 2);
                x += width;
            }
        }

        @Override
        public void onFailure(Throwable err) {
            log().error("Error loading image", err);
        }
    });
    // add ground truth of 25% opaque image
    assets().getImage("images/alphalayertest_expected.png").addCallback(new Callback<Image>() {

        @Override
        public void onSuccess(Image image) {
            rootLayer.addAt(graphics().createImageLayer(image), 5 * width, 0);
            addDescrip("ground truth", 5 * width, offset + height, width);
        }

        @Override
        public void onFailure(Throwable err) {
            log().error("Error loading image", err);
        }
    });
}

Example 8 with CanvasImage

use of playn.core.CanvasImage in project playn by threerings.

the class CanvasStressTest method init.

@Override
public void init() {
    CanvasImage canvasImage = graphics().createImage(graphics().width(), graphics().height());
    canvas = canvasImage.canvas();
    graphics().rootLayer().add(graphics().createImageLayer(canvasImage));
}

Example 9 with CanvasImage

use of playn.core.CanvasImage in project playn by threerings.

the class CanvasTest method createCanvasImage.

private CanvasImage createCanvasImage(int width, int height, final Drawer drawer) {
    final CanvasImage image = graphics().createImage(width, height);
    drawer.draw(image.canvas());
    return image;
}

Example 10 with CanvasImage

use of playn.core.CanvasImage in project playn by threerings.

the class CanvasTest method addTestCanvas.

private void addTestCanvas(String descrip, int width, int height, String imagePath, final ImageDrawer drawer) {
    final CanvasImage target = graphics().createImage(width, height);
    assets().getImage(imagePath).addCallback(new Callback<Image>() {

        public void onSuccess(Image image) {
            drawer.draw(target.canvas(), image);
        }

        public void onFailure(Throwable err) {
            System.err.println("Oops! " + err);
        }
    });
    addTestLayer(descrip, width, height, graphics().createImageLayer(target));
}