fix(图片裁剪): 修正图片重复裁剪

ofdgo_render_compile_image.go

@@ -115,6 +115,15 @@ func imageBorderObject(object ImageObject, box Box) PathObject {
 // 返回: error 裁剪转换错误
 func (c *semanticCompiler) addImage(img image.Image, matrix Matrix, clip *GeometryPath) error {
 	command := RasterCommand{Image: img, Transform: RasterMatrix(matrix.Values())}
+	if clip != nil {
+		if box, ok := geometryRectangleBounds(*clip); ok {
+			bounds := img.Bounds()
+			visible := matrix.TransformBox(Box{X: float64(bounds.Min.X), Y: float64(bounds.Min.Y), W: float64(bounds.Dx()), H: float64(bounds.Dy())})
+			if box.X <= visible.X && box.Y <= visible.Y && visible.X+visible.W <= box.X+box.W && visible.Y+visible.H <= box.Y+box.H {
+				clip = nil
+			}
+		}
+	}
 	if clip != nil {
 		var err error
 		command.Clip, err = c.segments(*clip)