iwmlib/3rdparty/pixi/pixi-filters.js

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2019-03-21 09:57:27 +01:00
/*!
* pixi-filters - v2.7.0
* Compiled Sun, 13 Jan 2019 22:51:52 UTC
*
* pixi-filters is licensed under the MIT License.
* http://www.opensource.org/licenses/mit-license
*/
var __filters=function(e,t){"use strict";var n="attribute vec2 aVertexPosition;\nattribute vec2 aTextureCoord;\n\nuniform mat3 projectionMatrix;\n\nvarying vec2 vTextureCoord;\n\nvoid main(void)\n{\n gl_Position = vec4((projectionMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);\n vTextureCoord = aTextureCoord;\n}",r="varying vec2 vTextureCoord;\nuniform sampler2D uSampler;\n\nuniform float gamma;\nuniform float contrast;\nuniform float saturation;\nuniform float brightness;\nuniform float red;\nuniform float green;\nuniform float blue;\nuniform float alpha;\n\nvoid main(void)\n{\n vec4 c = texture2D(uSampler, vTextureCoord);\n\n if (c.a > 0.0) {\n c.rgb /= c.a;\n\n vec3 rgb = pow(c.rgb, vec3(1. / gamma));\n rgb = mix(vec3(.5), mix(vec3(dot(vec3(.2125, .7154, .0721), rgb)), rgb, saturation), contrast);\n rgb.r *= red;\n rgb.g *= green;\n rgb.b *= blue;\n c.rgb = rgb * brightness;\n\n c.rgb *= c.a;\n }\n\n gl_FragColor = c * alpha;\n}\n",o=function(e){function t(t){e.call(this,n,r),Object.assign(this,{gamma:1,saturation:1,contrast:1,brightness:1,red:1,green:1,blue:1,alpha:1},t)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.apply=function(e,t,n,r){this.uniforms.gamma=Math.max(this.gamma,1e-4),this.uniforms.saturation=this.saturation,this.uniforms.contrast=this.contrast,this.uniforms.brightness=this.brightness,this.uniforms.red=this.red,this.uniforms.green=this.green,this.uniforms.blue=this.blue,this.uniforms.alpha=this.alpha,e.applyFilter(this,t,n,r)},t}(t.Filter),i=n,l="\nvarying vec2 vTextureCoord;\nuniform sampler2D uSampler;\n\nuniform vec2 uOffset;\n\nvoid main(void)\n{\n vec4 color = vec4(0.0);\n\n // Sample top left pixel\n color += texture2D(uSampler, vec2(vTextureCoord.x - uOffset.x, vTextureCoord.y + uOffset.y));\n\n // Sample top right pixel\n color += texture2D(uSampler, vec2(vTextureCoord.x + uOffset.x, vTextureCoord.y + uOffset.y));\n\n // Sample bottom right pixel\n color += texture2D(uSampler, vec2(vTextureCoord.x + uOffset.x, vTextureCoord.y - uOffset.y));\n\n // Sample bottom left pixel\n color += texture2D(uSampler, vec2(vTextureCoord.x - uOffset.x, vTextureCoord.y - uOffset.y));\n\n // Average\n color *= 0.25;\n\n gl_FragColor = color;\n}",s="\nvarying vec2 vTextureCoord;\nuniform sampler2D uSampler;\n\nuniform vec2 uOffset;\nuniform vec4 filterClamp;\n\nvoid main(void)\n{\n vec4 color = vec4(0.0);\n\n // Sample top left pixel\n color += texture2D(uSampler, clamp(vec2(vTextureCoord.x - uOffset.x, vTextureCoord.y + uOffset.y), filterClamp.xy, filterClamp.zw));\n\n // Sample top right pixel\n color += texture2D(uSampler, clamp(vec2(vTextureCoord.x + uOffset.x, vTextureCoord.y + uOffset.y), filterClamp.xy, filterClamp.zw));\n\n // Sample bottom right pixel\n color += texture2D(uSampler, clamp(vec2(vTextureCoord.x + uOffset.x, vTextureCoord.y - uOffset.y), filterClamp.xy, filterClamp.zw));\n\n // Sample bottom left pixel\n color += texture2D(uSampler, clamp(vec2(vTextureCoord.x - uOffset.x, vTextureCoord.y - uOffset.y), filterClamp.xy, filterClamp.zw));\n\n // Average\n color *= 0.25;\n\n gl_FragColor = color;\n}\n",a=function(e){function n(n,r,o){void 0===n&&(n=4),void 0===r&&(r=3),void 0===o&&(o=!1),e.call(this,i,o?s:l),this.uniforms.uOffset=new Float32Array(2),this._pixelSize=new t.Point,this.pixelSize=1,this._clamp=o,this._kernels=null,Array.isArray(n)?this.kernels=n:(this._blur=n,this.quality=r)}e&&(n.__proto__=e),n.prototype=Object.create(e&&e.prototype),n.prototype.constructor=n;var r={kernels:{configurable:!0},clamp:{configurable:!0},pixelSize:{configurable:!0},quality:{configurable:!0},blur:{configurable:!0}};return n.prototype.apply=function(e,t,n,r){var o,i=this.pixelSize.x/t.size.width,l=this.pixelSize.y/t.size.height;if(1===this._quality||0===this._blur)o=this._kernels[0]+.5,this.uniforms.uOffset[0]=o*i,this.uniforms.uOffset[1]=o*l,e.applyFilter(this,t,n,r);else{for(var s,a=e.getRenderTarg