Android Open Source - FxCameraApp Gl Pinch Distortion Shader






From Project

Back to project page FxCameraApp.

License

The source code is released under:

MIT License

If you think the Android project FxCameraApp listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.af.experiments.FxCameraApp.shaders;
/*  w w w. ja va2s  .c  o m*/
import static android.opengl.GLES20.glUniform1f;
import static android.opengl.GLES20.glUniform2f;

public class GlPinchDistortionShader extends GlShader {

  private static final String FRAGMENT_SHADER =
      "precision mediump float;" +  // ?????????????????

      "varying highp vec2 vTextureCoord;" +
      "uniform lowp sampler2D sTexture;" +
      "uniform highp vec2 center;" +
      "uniform highp float radius;" +
      "uniform highp float scale;" +

      "void main() {" +
        "highp vec2 textureCoordinateToUse = vTextureCoord;" +
        "highp float dist = distance(center, vTextureCoord);" +
        "textureCoordinateToUse -= center;" +
        "if (dist < radius) {" +
          "highp float percent = 1.0 + ((0.5 - dist) / 0.5) * scale;" +
          "textureCoordinateToUse = textureCoordinateToUse * percent;" +
        "}" +
        "textureCoordinateToUse += center;" +

        "gl_FragColor = texture2D(sTexture, textureCoordinateToUse);" +
      "}";

  private float mCenterX = 0.5f;
  private float mCenterY = 0.5f;
  private float mRadius = 1.0f;
  private float mScale = 0.5f;

  public GlPinchDistortionShader() {
    super(DEFAULT_VERTEX_SHADER, FRAGMENT_SHADER);
  }

  protected String mShaderName = "Pinch";

  public String getName() {
    return mShaderName;
  }

  public float getCenterX() {
    return mCenterX;
  }

  public void setCenterX(final float centerX) {
    mCenterX = centerX;
  }

  public float getCenterY() {
    return mCenterY;
  }

  public void setCenterY(final float centerY) {
    mCenterY = centerY;
  }

  public float getRadius() {
    return mRadius;
  }

  public void setRadius(final float radius) {
    mRadius = radius;
  }

  public float getScale() {
    return mScale;
  }

  public void setScale(final float scale) {
    mScale = scale;
  }

  //////////////////////////////////////////////////////////////////////////

  @Override
  public void onDraw() {
    glUniform2f(getHandle("center"), mCenterX, mCenterY);
    glUniform1f(getHandle("radius"), (float) Math.sin(System.currentTimeMillis()/100.f));
    glUniform1f(getHandle("scale"), mScale);
  }

}




Java Source Code List

com.af.experiments.FxCameraApp.FilterAdapter.java
com.af.experiments.FxCameraApp.MyActivity.java
com.af.experiments.FxCameraApp.Utils.BitmapFactoryUtils.java
com.af.experiments.FxCameraApp.Utils.ExifUtils.java
com.af.experiments.FxCameraApp.Utils.Fps.java
com.af.experiments.FxCameraApp.Utils.LogWriter.java
com.af.experiments.FxCameraApp.Utils.OpenGlUtils.java
com.af.experiments.FxCameraApp.View.CameraView.java
com.af.experiments.FxCameraApp.View.DefaultPreview.java
com.af.experiments.FxCameraApp.View.GlPreview.java
com.af.experiments.FxCameraApp.View.PreviewTexture.java
com.af.experiments.FxCameraApp.camera.CameraHelperBase.java
com.af.experiments.FxCameraApp.camera.CameraHelperCupcake.java
com.af.experiments.FxCameraApp.camera.CameraHelperDonut.java
com.af.experiments.FxCameraApp.camera.CameraHelperEclair.java
com.af.experiments.FxCameraApp.camera.CameraHelperFactory.java
com.af.experiments.FxCameraApp.camera.CameraHelperFroyo.java
com.af.experiments.FxCameraApp.camera.CameraHelperGingerbread.java
com.af.experiments.FxCameraApp.camera.CameraHelperHonycomb.java
com.af.experiments.FxCameraApp.camera.CameraHelperICS.java
com.af.experiments.FxCameraApp.camera.CameraHelper.java
com.af.experiments.FxCameraApp.display.DisplayHelperBase.java
com.af.experiments.FxCameraApp.display.DisplayHelperFactory.java
com.af.experiments.FxCameraApp.display.DisplayHelperFroyo.java
com.af.experiments.FxCameraApp.display.DisplayHelperHoneycombMR2.java
com.af.experiments.FxCameraApp.display.DisplayHelperHoneycomb.java
com.af.experiments.FxCameraApp.display.DisplayHelper.java
com.af.experiments.FxCameraApp.ogles.DefaultConfigChooser.java
com.af.experiments.FxCameraApp.ogles.DefaultContextFactory.java
com.af.experiments.FxCameraApp.ogles.DefaultWindowSurfaceFactory.java
com.af.experiments.FxCameraApp.ogles.EGLLogWrapper.java
com.af.experiments.FxCameraApp.ogles.GLES20ConfigChooser.java
com.af.experiments.FxCameraApp.ogles.GLES20ContextFactory.java
com.af.experiments.FxCameraApp.ogles.GlImageBitmapTexture.java
com.af.experiments.FxCameraApp.ogles.GlImageResourceTexture.java
com.af.experiments.FxCameraApp.ogles.GlImageTexture.java
com.af.experiments.FxCameraApp.ogles.GlPreviewTextureFactory.java
com.af.experiments.FxCameraApp.ogles.GlSurfaceTexture.java
com.af.experiments.FxCameraApp.ogles.GlTextureView.java
com.af.experiments.FxCameraApp.ogles.PixelBuffer.java
com.af.experiments.FxCameraApp.ogles.PreviewSurfaceHelperBase.java
com.af.experiments.FxCameraApp.ogles.PreviewSurfaceHelperFactory.java
com.af.experiments.FxCameraApp.ogles.PreviewSurfaceHelper.java
com.af.experiments.FxCameraApp.ogles.Texture.java
com.af.experiments.FxCameraApp.renderer.GLES20FramebufferObject.java
com.af.experiments.FxCameraApp.renderer.GlFrameBufferObjectRenderer.java
com.af.experiments.FxCameraApp.renderer.MainRenderer.java
com.af.experiments.FxCameraApp.shaders.GlBilateralShader.java
com.af.experiments.FxCameraApp.shaders.GlBoxBlurShader.java
com.af.experiments.FxCameraApp.shaders.GlBulgeDistortionShader.java
com.af.experiments.FxCameraApp.shaders.GlCGAColorspaceShader.java
com.af.experiments.FxCameraApp.shaders.GlColorInvertShader.java
com.af.experiments.FxCameraApp.shaders.GlColorMatrixShader.java
com.af.experiments.FxCameraApp.shaders.GlColorPackingShader.java
com.af.experiments.FxCameraApp.shaders.GlConvolutionShader.java
com.af.experiments.FxCameraApp.shaders.GlEmbossShader.java
com.af.experiments.FxCameraApp.shaders.GlFalseColorShader.java
com.af.experiments.FxCameraApp.shaders.GlFastBlurShader.java
com.af.experiments.FxCameraApp.shaders.GlGaussianBlurShader.java
com.af.experiments.FxCameraApp.shaders.GlGlassSphereShader.java
com.af.experiments.FxCameraApp.shaders.GlGrayScaleShader.java
com.af.experiments.FxCameraApp.shaders.GlHarrisCornerDetectionShader.java
com.af.experiments.FxCameraApp.shaders.GlHazeShader.java
com.af.experiments.FxCameraApp.shaders.GlMonochromeShader.java
com.af.experiments.FxCameraApp.shaders.GlNobleCornerDetectionShader.java
com.af.experiments.FxCameraApp.shaders.GlPerlinNoiseShader.java
com.af.experiments.FxCameraApp.shaders.GlPinchDistortionShader.java
com.af.experiments.FxCameraApp.shaders.GlPixellateShader.java
com.af.experiments.FxCameraApp.shaders.GlPolarPixellateShader.java
com.af.experiments.FxCameraApp.shaders.GlPolkaDotShader.java
com.af.experiments.FxCameraApp.shaders.GlPosterizeShader.java
com.af.experiments.FxCameraApp.shaders.GlPreviewShader.java
com.af.experiments.FxCameraApp.shaders.GlSepiaShader.java
com.af.experiments.FxCameraApp.shaders.GlShaderGroup.java
com.af.experiments.FxCameraApp.shaders.GlShader.java
com.af.experiments.FxCameraApp.shaders.GlSharpenShader.java
com.af.experiments.FxCameraApp.shaders.GlShiTomasiFeatureDetectionShader.java
com.af.experiments.FxCameraApp.shaders.GlSobelEdgeDetectionShader.java
com.af.experiments.FxCameraApp.shaders.GlSphereRefractionShader.java
com.af.experiments.FxCameraApp.shaders.GlStretchDistortionShader.java
com.af.experiments.FxCameraApp.shaders.GlThreex3ConvolutionShader.java
com.af.experiments.FxCameraApp.shaders.GlThreex3TextureSamplingShader.java
com.af.experiments.FxCameraApp.shaders.GlToneShader.java
com.af.experiments.FxCameraApp.shaders.GlTwoInputShader.java
com.af.experiments.FxCameraApp.shaders.GlVignetteShader.java
com.af.experiments.FxCameraApp.shaders.GlWeakPixelInclusionShader.java
com.af.experiments.FxCameraApp.shaders.GlWhiteBalanceShader.java
com.af.experiments.FxCameraApp.shaders.GlXRayShader.java
com.af.experiments.FxCameraApp.shaders.GlXYDerivativeShader.java
com.af.experiments.FxCameraApp.shaders.fx.GlLutShader.java