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DuotoneFilter.javaAPI DocAndroid 5.1 API4146Thu Mar 12 22:22:30 GMT 2015android.filterpacks.imageproc

DuotoneFilter

public class DuotoneFilter extends android.filterfw.core.Filter

Fields Summary
private int
mFirstColor
private int
mSecondColor
private int
mTileSize
private android.filterfw.core.Program
mProgram
private int
mTarget
private final String
mDuotoneShader
Constructors Summary
public DuotoneFilter(String name)


       
      super(name);
Methods Summary
public android.filterfw.core.FrameFormatgetOutputFormat(java.lang.String portName, android.filterfw.core.FrameFormat inputFormat)

        return inputFormat;
public voidinitProgram(android.filterfw.core.FilterContext context, int target)

        switch (target) {
            case FrameFormat.TARGET_GPU:
                ShaderProgram shaderProgram = new ShaderProgram(context, mDuotoneShader);
                shaderProgram.setMaximumTileSize(mTileSize);
                mProgram = shaderProgram;
                break;

            default:
                throw new RuntimeException("Filter Duotone does not support frames of " +
                    "target " + target + "!");
        }
        mTarget = target;
public voidprocess(android.filterfw.core.FilterContext context)

        // Get input frame
        Frame input = pullInput("image");
        FrameFormat inputFormat = input.getFormat();

        // Create output frame
        Frame output = context.getFrameManager().newFrame(inputFormat);

        // Create program if not created already
        if (mProgram == null || inputFormat.getTarget() != mTarget) {
            initProgram(context, inputFormat.getTarget());
        }
        updateParameters();

        // Process
        mProgram.process(input, output);

        // Push output
        pushOutput("image", output);

        // Release pushed frame
        output.release();
public voidsetupPorts()

        addMaskedInputPort("image", ImageFormat.create(ImageFormat.COLORSPACE_RGBA));
        addOutputBasedOnInput("image", "image");
private voidupdateParameters()

        float first[] = { Color.red(mFirstColor)/255f,
                Color.green(mFirstColor)/255f,
                Color.blue(mFirstColor)/255f };
        float second[] = { Color.red(mSecondColor)/255f,
                Color.green(mSecondColor)/255f,
                Color.blue(mSecondColor)/255f };

        mProgram.setHostValue("first", first);
        mProgram.setHostValue("second", second);