#

API Docs for: 1.5.0
Show: Inherited Protected Private Deprecated

# File: src/pixi/filters/SepiaFilter.js

    /**
     * @author Mat Groves http://matgroves.com/ @Doormat23
     */

    /**
     *
     * This applies a sepia effect to your displayObjects.
     * @class SepiaFilter
     * @contructor
     */
    PIXI.SepiaFilter = function()
    {
        PIXI.AbstractFilter.call( this );

        this.passes = [this];

        // set the uniforms
        this.uniforms = {
            sepia: {type: '1f', value: 1},
        };

        this.fragmentSrc = [
            'precision mediump float;',
            'varying vec2 vTextureCoord;',
            'varying vec4 vColor;',
            'uniform float sepia;',
            'uniform sampler2D uSampler;',

            'const mat3 sepiaMatrix = mat3(0.3588, 0.7044, 0.1368, 0.2990, 0.5870, 0.1140, 0.2392, 0.4696, 0.0912);',

            'void main(void) {',
            '   gl_FragColor = texture2D(uSampler, vTextureCoord);',
            '   gl_FragColor.rgb = mix( gl_FragColor.rgb, gl_FragColor.rgb * sepiaMatrix, sepia);',
           // '   gl_FragColor = gl_FragColor * vColor;',
            '}'
        ];
    };

    PIXI.SepiaFilter.prototype = Object.create( PIXI.AbstractFilter.prototype );
    PIXI.SepiaFilter.prototype.constructor = PIXI.SepiaFilter;

    /**
    The strength of the sepia. 1 will apply the full sepia effect, 0 will make the object its normal color
    @property sepia
    */
    Object.defineProperty(PIXI.SepiaFilter.prototype, 'sepia', {
        get: function() {
            return this.uniforms.sepia.value;
        },
        set: function(value) {
            this.uniforms.sepia.value = value;
        }
    });