path: root/static/js/wpaint/plugins/main/src/fillArea.min.js

!function(){window.CanvasRenderingContext2D&&(CanvasRenderingContext2D.prototype.fillArea=function(a,b,c){function d(a){return{r:p[a],g:p[a+1],b:p[a+2],a:p[a+3]}}function e(a){p[a]=c.r,p[a+1]=c.g,p[a+2]=c.b,p[a+3]=c.a}function f(a){return g.r===a.r&&g.g===a.g&&g.b===a.b&&g.a===a.a}if(!a||!b||!c)return!0;var g,h,i,j,k,l,m=this.canvas.width,n=this.canvas.height,o=this.getImageData(0,0,m,n),p=o.data,q=[[a,b]];if(g=d(4*(b*m+a)),l=this.canvas.style.color,this.canvas.style.color=c,c=this.canvas.style.color.match(/^rgba?\((.*)\);?$/)[1].split(","),this.canvas.style.color=l,c={r:parseInt(c[0],10),g:parseInt(c[1],10),b:parseInt(c[2],10),a:parseInt(c[3]||255,10)},f(c))return!0;for(;q.length;){for(h=q.pop(),i=4*(h[1]*m+h[0]);h[1]-->=0&&f(d(i));)i-=4*m;for(i+=4*m,++h[1],j=!1,k=!1;h[1]++<n-1&&f(d(i));)e(i),h[0]>0&&(f(d(i-4))?j||(q.push([h[0]-1,h[1]]),j=!0):j&&(j=!1)),h[0]<m-1&&(f(d(i+4))?k||(q.push([h[0]+1,h[1]]),k=!0):k&&(k=!1)),i+=4*m}this.putImageData(o,0,0)})}();