Helma的简单图片处理
使用Helma自带的Image对象进行简单的图片处理。看不懂的参考http://adele.helma.org/download/helma/apidocs/api/index.html
app.addRepository('modules/helma/Image.js');function main_action(){var word="";if(req.queryParams.w){word=req.queryParams.w;}else{word="CraneKing!";}//img urlvar img = new Image("apps/imgx/img/nobita.jpg");img.setColor(204, 0, 0);img.setFont("sansserif", 1, 16);img.drawString(word,28,30);//out put imagevar img_out=new Packages.helma.image.imageio.ImageIOGenerator();// servlet output streamvar outps=res.servletResponse.getOutputStream();//do put image(image,stream,mimeType,品质image quality,alpha)img_out.write(img,outps,"image/jpeg",0.75,true);}
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