- image->center_x = recv->scale*w/2;
- image->center_y = recv->scale*h/2;
- image->scale = recv->scale;
- image->blended = recv->blended;
-
- image->src_xo = ((float)x)/recv->width;
- image->src_yo = ((float)y)/recv->height;
- image->src_xi = ((float)x+w)/recv->width;
- image->src_yi = ((float)y+h)/recv->height;
+ image->center_x = self->scale*w/2;
+ image->center_y = self->scale*h/2;
+ image->scale = self->scale;
+ image->blended = self->blended;
+
+ float r_dx = self->src_xi - self->src_xo;
+ float r_dy = self->src_yi - self->src_yo;
+ image->src_xo = self->src_xo + ((float)x)/self->width*r_dx;
+ image->src_yo = self->src_yo + ((float)y)/self->height*r_dy;
+ image->src_xi = self->src_xo + ((float)x+w)/self->width*r_dx;
+ image->src_yi = self->src_yo + ((float)y+h)/self->height*r_dy;