Function getDominantColor

theme.js:10–38

(url)

  varying vec2 v_texCoord;
  void main() {
    gl_Position = vec4(a_position, 0.0, 1.0);
    v_texCoord = a_texCoord;
  }
`;
  var KAWASE_BLUR_SHADER = `
  precision highp float;
  uniform sampler2D u_texture;
  uniform vec2 u_resolution;
  uniform float u_offset;
  varying vec2 v_texCoord;

  void main() {
    highp vec2 texelSize = 1.0 / u_resolution;
    highp vec4 color = vec4(0.0);

    color += texture2D(u_texture, v_texCoord + vec2(-u_offset, -u_offset) * texelSize);
    color += texture2D(u_texture, v_texCoord + vec2(u_offset, -u_offset) * texelSize);
    color += texture2D(u_texture, v_texCoord + vec2(-u_offset, u_offset) * texelSize);
    color += texture2D(u_texture, v_texCoord + vec2(u_offset, u_offset) * texelSize);

    gl_FragColor = color * 0.25;
  }
`;
  var BLEND_SHADER = `
  precision highp float;
  uniform sampler2D u_texture1;
  uniform sampler2D u_texture2;
  uniform float u_blend;
  varying vec2 v_texCoord;

  void main() {
    vec4 color1 = texture2D(u_texture1, v_texCoord);