Examples with Quad android.filterfw.geometry.Quad used on opensource projects

Example 36 with Quad

use of android.filterfw.geometry.Quad in project android_frameworks_base by AOSPA.

the class DrawRectFilter method process.

@Override
public void process(FilterContext env) {
    // Get input frame
    Frame imageFrame = pullInput("image");
    Frame boxFrame = pullInput("box");
    // Get the box
    Quad box = (Quad) boxFrame.getObjectValue();
    box = box.scaled(2.0f).translated(-1.0f, -1.0f);
    // Create output frame with copy of input
    GLFrame output = (GLFrame) env.getFrameManager().duplicateFrame(imageFrame);
    // Draw onto output
    output.focus();
    renderBox(box);
    // Push output
    pushOutput("image", output);
    // Release pushed frame
    output.release();
}

Example 37 with Quad

use of android.filterfw.geometry.Quad in project android_frameworks_base by DirtyUnicorns.

the class RotateFilter method updateParameters.

private void updateParameters() {
    float sinTheta;
    float cosTheta;
    if (mAngle % 90 == 0) {
        if (mAngle % 180 == 0) {
            sinTheta = 0f;
            cosTheta = (mAngle % 360 == 0) ? 1f : -1f;
        } else {
            cosTheta = 0f;
            sinTheta = ((mAngle + 90) % 360 == 0) ? -1f : 1f;
            mOutputWidth = mHeight;
            mOutputHeight = mWidth;
        }
    } else {
        throw new RuntimeException("degree has to be multiply of 90.");
    }
    Point x0 = new Point(0.5f * (-cosTheta + sinTheta + 1f), 0.5f * (-sinTheta - cosTheta + 1f));
    Point x1 = new Point(0.5f * (cosTheta + sinTheta + 1f), 0.5f * (sinTheta - cosTheta + 1f));
    Point x2 = new Point(0.5f * (-cosTheta - sinTheta + 1f), 0.5f * (-sinTheta + cosTheta + 1f));
    Point x3 = new Point(0.5f * (cosTheta - sinTheta + 1f), 0.5f * (sinTheta + cosTheta + 1f));
    Quad quad = new Quad(x0, x1, x2, x3);
    ((ShaderProgram) mProgram).setTargetRegion(quad);
}

Example 38 with Quad

use of android.filterfw.geometry.Quad in project android_frameworks_base by DirtyUnicorns.

the class CropFilter method process.

@Override
public void process(FilterContext env) {
    // Get input frame
    Frame imageFrame = pullInput("image");
    Frame boxFrame = pullInput("box");
    createProgram(env, imageFrame.getFormat());
    // Get the box
    Quad box = (Quad) boxFrame.getObjectValue();
    // Create output format
    MutableFrameFormat outputFormat = imageFrame.getFormat().mutableCopy();
    outputFormat.setDimensions(mOutputWidth == -1 ? outputFormat.getWidth() : mOutputWidth, mOutputHeight == -1 ? outputFormat.getHeight() : mOutputHeight);
    // Create output frame
    Frame output = env.getFrameManager().newFrame(outputFormat);
    // Set the program parameters
    if (mProgram instanceof ShaderProgram) {
        ShaderProgram shaderProgram = (ShaderProgram) mProgram;
        shaderProgram.setSourceRegion(box);
    }
    mProgram.process(imageFrame, output);
    // Push output
    pushOutput("image", output);
    // Release pushed frame
    output.release();
}

Example 39 with Quad

use of android.filterfw.geometry.Quad in project android_frameworks_base by crdroidandroid.

the class RotateFilter method updateParameters.

private void updateParameters() {
    float sinTheta;
    float cosTheta;
    if (mAngle % 90 == 0) {
        if (mAngle % 180 == 0) {
            sinTheta = 0f;
            cosTheta = (mAngle % 360 == 0) ? 1f : -1f;
        } else {
            cosTheta = 0f;
            sinTheta = ((mAngle + 90) % 360 == 0) ? -1f : 1f;
            mOutputWidth = mHeight;
            mOutputHeight = mWidth;
        }
    } else {
        throw new RuntimeException("degree has to be multiply of 90.");
    }
    Point x0 = new Point(0.5f * (-cosTheta + sinTheta + 1f), 0.5f * (-sinTheta - cosTheta + 1f));
    Point x1 = new Point(0.5f * (cosTheta + sinTheta + 1f), 0.5f * (sinTheta - cosTheta + 1f));
    Point x2 = new Point(0.5f * (-cosTheta - sinTheta + 1f), 0.5f * (-sinTheta + cosTheta + 1f));
    Point x3 = new Point(0.5f * (cosTheta - sinTheta + 1f), 0.5f * (sinTheta + cosTheta + 1f));
    Quad quad = new Quad(x0, x1, x2, x3);
    ((ShaderProgram) mProgram).setTargetRegion(quad);
}

Example 40 with Quad

use of android.filterfw.geometry.Quad in project android_frameworks_base by crdroidandroid.

the class FixedRotationFilter method process.

@Override
public void process(FilterContext context) {
    Frame input = pullInput("image");
    if (mRotation == 0) {
        pushOutput("image", input);
        return;
    }
    FrameFormat inputFormat = input.getFormat();
    // Create program if not created already
    if (mProgram == null) {
        mProgram = ShaderProgram.createIdentity(context);
    }
    MutableFrameFormat outputFormat = inputFormat.mutableCopy();
    int width = inputFormat.getWidth();
    int height = inputFormat.getHeight();
    Point p1 = new Point(0.0f, 0.0f);
    Point p2 = new Point(1.0f, 0.0f);
    Point p3 = new Point(0.0f, 1.0f);
    Point p4 = new Point(1.0f, 1.0f);
    Quad sourceRegion;
    switch(((int) Math.round(mRotation / 90f)) % 4) {
        case 1:
            sourceRegion = new Quad(p3, p1, p4, p2);
            outputFormat.setDimensions(height, width);
            break;
        case 2:
            sourceRegion = new Quad(p4, p3, p2, p1);
            break;
        case 3:
            sourceRegion = new Quad(p2, p4, p1, p3);
            outputFormat.setDimensions(height, width);
            break;
        case 0:
        default:
            sourceRegion = new Quad(p1, p2, p3, p4);
            break;
    }
    // Create output frame
    Frame output = context.getFrameManager().newFrame(outputFormat);
    // Set the source region
    mProgram.setSourceRegion(sourceRegion);
    // Process
    mProgram.process(input, output);
    // Push output
    pushOutput("image", output);
    // Release pushed frame
    output.release();
}