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Update File RGB #51

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May 21, 2020
Merged

Update File RGB #51

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29 changes: 29 additions & 0 deletions epf/src/main/java/com/daasuu/epf/filter/GlRGBFilter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -18,12 +18,23 @@ public class GlRGBFilter extends GlFilter {
" uniform highp float red;\n" +
" uniform highp float green;\n" +
" uniform highp float blue;\n" +
" uniform lowp float brightness;\n" +
" uniform lowp float saturation;\n" +
" uniform lowp float contrast;\n" +
" \n" +
" const mediump vec3 luminanceWeighting = vec3(0.2125, 0.7154, 0.0721);\n" +
" \n" +
" void main()\n" +
" {\n" +
" highp vec4 textureColor = texture2D(sTexture, vTextureCoord);\n" +
" lowp vec4 textureOtherColor = texture2D(sTexture, vTextureCoord);\n" +
" lowp float luminance = dot(textureOtherColor.rgb, luminanceWeighting);\n" +
" lowp vec3 greyScaleColor = vec3(luminance);\n" +
" \n" +
" gl_FragColor = vec4(textureColor.r * red, textureColor.g * green, textureColor.b * blue, 1.0);\n" +
" gl_FragColor = vec4((textureOtherColor.rgb + vec3(brightness)), textureOtherColor.w);\n" +
" gl_FragColor = vec4(mix(greyScaleColor, textureColor.rgb, saturation), textureOtherColor.w);\n" +
" gl_FragColor = vec4(((textureOtherColor.rgb - vec3(0.5)) * contrast + vec3(0.5)), textureOtherColor.w);\n" +
" }\n";

public GlRGBFilter() {
Expand All @@ -33,6 +44,9 @@ public GlRGBFilter() {
private float red = 1f;
private float green = 1f;
private float blue = 1f;
private float brightness = 0f;
private float saturation = 1f;
private float contrast = 1.2f;

public void setRed(float red) {
this.red = red;
Expand All @@ -46,10 +60,25 @@ public void setBlue(float blue) {
this.blue = blue;
}

public void setBrightness(float brightness) {
this.brightness = brightness;
}

public void setSaturation(float saturation) {
this.saturation = saturation;
}

public void setContrast(float contrast) {
this.contrast = contrast;
}

@Override
public void onDraw() {
GLES20.glUniform1f(getHandle("red"), red);
GLES20.glUniform1f(getHandle("green"), green);
GLES20.glUniform1f(getHandle("blue"), blue);
GLES20.glUniform1f(getHandle("brightness"), brightness);
GLES20.glUniform1f(getHandle("saturation"), saturation);
GLES20.glUniform1f(getHandle("contrast"), contrast);
}
}