- i->matrix.m00 = (double)i->targetwidth / (double)width;
- i->matrix.m11 = (double)i->targetheight / (double)height;
- i->out->startpage(i->out,i->targetwidth,i->targetheight);
+
+ i->origwidth = width;
+ i->origheight = height;
+
+ if(i->targetwidth || i->targetheight) {
+ int targetwidth = i->targetwidth;
+ if(!targetwidth)
+ targetwidth = width*i->targetheight/height;
+ int targetheight = i->targetheight;
+ if(!targetheight)
+ targetheight = height*i->targetwidth/width;
+ if(i->keepratio) {
+ double rx = (double)targetwidth / (double)width;
+ double ry = (double)targetheight / (double)height;
+ if(rx<ry) {
+ i->matrix.m00 = rx;
+ i->matrix.m11 = rx;
+ i->matrix.tx = 0;
+ if(i->centery) {
+ i->matrix.ty = (targetheight - height*rx) / 2;
+ }
+ } else {
+ i->matrix.m00 = ry;
+ i->matrix.m11 = ry;
+ if(i->centerx) {
+ i->matrix.tx = (targetwidth - width*ry) / 2;
+ }
+ i->matrix.ty = 0;
+ }
+ } else {
+ i->matrix.m00 = (double)targetwidth / (double)width;
+ i->matrix.m11 = (double)targetheight / (double)height;
+ }
+ i->zoomwidth = sqrt(i->matrix.m00*i->matrix.m11);
+ i->out->startpage(i->out,targetwidth,targetheight);
+ } else {
+ i->out->startpage(i->out,(int)(width*i->matrix.m00),(int)(height*i->matrix.m11));
+ }