Example usage for com.badlogic.gdx.graphics Pixmap getBlending

Introduction

In this page you can find the example usage for com.badlogic.gdx.graphics Pixmap getBlending.

Prototype

public static Blending getBlending() 

Source Link

Usage

From source file:com.kotcrab.vis.editor.module.physicseditor.util.Tracer.java

License:Apache License

public static Vector2[][] trace(String path, float hullTolerance, int alphaTolerance,
        boolean multiPartDetection, boolean holeDetection) {
    Blending blending = Pixmap.getBlending();
    Pixmap.setBlending(Blending.None);//from  www . ja  va2s .  c  om
    Pixmap pixmap = new Pixmap(Gdx.files.absolute(path));

    int w = pixmap.getWidth();
    int h = pixmap.getHeight();

    int size = w * h;
    int[] array = new int[size];

    for (int y = 0; y < h; y++) {
        for (int x = 0; x < w; x++) {
            int color = pixmap.getPixel(x, y);
            array[x + y * w] = color;
        }
    }

    pixmap.dispose();
    Pixmap.setBlending(blending);

    Array<Array<Vector2>> outlines;
    try {
        outlines = TextureConverter.createPolygon(array, w, h, hullTolerance, alphaTolerance,
                multiPartDetection, holeDetection);
    } catch (Exception e) {
        return null;
    }

    TextureRegion region = new TextureRegion(new Texture(path));
    float tw = region.getRegionWidth();
    float th = region.getRegionHeight();

    Vector2[][] polygons = new Vector2[outlines.size][];

    for (int i = 0; i < outlines.size; i++) {
        Array<Vector2> outline = outlines.get(i);
        polygons[i] = new Vector2[outline.size];
        for (int ii = 0; ii < outline.size; ii++) {
            polygons[i][ii] = outline.get(ii);
            polygons[i][ii].x /= tw;
            polygons[i][ii].y /= tw;
            polygons[i][ii].y = 1 * th / tw - polygons[i][ii].y;
        }
    }

    return polygons;
}

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From source file:com.o2d.pkayjava.editor.utils.poly.tracer.Tracer.java

License:Apache License

public static Vector2[][] trace(Texture texture, float hullTolerance, int alphaTolerance,
        boolean multiPartDetection, boolean holeDetection) {
    Blending blending = Pixmap.getBlending();
    Pixmap.setBlending(Blending.None);//from ww w .ja  va2s  . c o m
    Pixmap pixmap = TextureUtils.getPOTPixmap(texture);

    int w = pixmap.getWidth();
    int h = pixmap.getHeight();

    int size = w * h;
    int[] array = new int[size];

    for (int y = 0; y < h; y++) {
        for (int x = 0; x < w; x++) {
            int color = pixmap.getPixel(x, y);
            array[x + y * w] = color;
        }
    }

    pixmap.dispose();
    Pixmap.setBlending(blending);

    Array<Array<Vector2>> outlines;
    try {
        outlines = TextureConverter.createPolygon(array, w, h, hullTolerance, alphaTolerance,
                multiPartDetection, holeDetection);
    } catch (Exception e) {
        return null;
    }

    TextureRegion region = TextureUtils.getPOTTexture(texture);
    float tw = region.getRegionWidth();
    float th = region.getRegionHeight();

    Vector2[][] polygons = new Vector2[outlines.size][];

    for (int i = 0; i < outlines.size; i++) {
        Array<Vector2> outline = outlines.get(i);
        polygons[i] = new Vector2[outline.size];
        for (int ii = 0; ii < outline.size; ii++) {
            polygons[i][ii] = outline.get(ii);
            polygons[i][ii].x /= tw;
            polygons[i][ii].y /= tw;
            polygons[i][ii].y = 1 * th / tw - polygons[i][ii].y;
        }
    }

    return polygons;
}

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From source file:com.ridiculousRPG.GameBase.java

License:Apache License

/**
 * Takes a screenshot from the current frame buffer. The screenshot will be
 * stretched to fit into the Rectangle specified by dstW and dstH
 * //  w  w  w .  j a  va 2  s .  c o m
 * @param srcX
 * @param srcY
 * @param srcW
 * @param srcH
 * @param dstW
 * @param dstH
 * @return A Pixmap containing the screenshot. The screenshot will be
 *         flipped at the y-axis.
 * @throws IOException
 */
public Pixmap takeScreenshot(int srcX, int srcY, int srcW, int srcH, int dstW, int dstH) throws IOException {
    Gdx.gl.glPixelStorei(GL10.GL_PACK_ALIGNMENT, 1);
    Pixmap pixmap = new Pixmap(srcW, srcH, Format.RGBA8888);
    Gdx.gl.glReadPixels(srcX, srcY, srcW, srcH, GL10.GL_RGBA, GL10.GL_UNSIGNED_BYTE, pixmap.getPixels());

    // scale the picture
    if (srcW != dstW || srcH != dstH) {
        Pixmap scale = new Pixmap(dstW, dstH, Format.RGBA8888);
        Blending old = Pixmap.getBlending();
        Pixmap.setBlending(Blending.None);
        scale.drawPixmap(pixmap, 0, 0, srcW, srcH, 0, 0, dstW, dstH);
        Pixmap.setBlending(old);
        pixmap.dispose();
        pixmap = scale;
    }

    return pixmap;
}

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