FileDocCategorySizeDatePackage
SepiaFilter.javaAPI DocAndroid 5.1 API3665Thu Mar 12 22:22:30 GMT 2015android.filterpacks.imageproc

SepiaFilter

public class SepiaFilter extends android.filterfw.core.Filter

Fields Summary
private int
mTileSize
private android.filterfw.core.Program
mProgram
private int
mTarget
private final String
mSepiaShader
Constructors Summary
public SepiaFilter(String name)


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

        return inputFormat;
private voidinitParameters()

        float weights[] = { 805.0f / 2048.0f, 715.0f / 2048.0f, 557.0f / 2048.0f,
                            1575.0f / 2048.0f, 1405.0f / 2048.0f, 1097.0f / 2048.0f,
                            387.0f / 2048.0f, 344.0f / 2048.0f, 268.0f / 2048.0f };
        mProgram.setHostValue("matrix", weights);
public voidinitProgram(android.filterfw.core.FilterContext context, int target)

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

            default:
                throw new RuntimeException("Filter Sharpen 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());
            initParameters();
        }

        // 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");