feat(字体处理): 优化字体与文案，修复文档隔离

ofdgo_editor_selection_copy.go

@@ -20,6 +20,7 @@ import "fmt"
 // 来源修改、删除或撤销不改变快照，不用于跨文档传输
 type ObjectSelection struct {
 	editor      *Editor
+	document    editorDocumentIdentity
 	objects     []GraphicObject
 	annotations *AnnotationSelection
 }
@@ -32,7 +33,7 @@ func (e *Editor) CaptureSelection(page int, objects, annotations []string) (*Obj
 	if err != nil {
 		return nil, err
 	}
-	selection := &ObjectSelection{editor: e, objects: items}
+	selection := &ObjectSelection{editor: e, document: e.documentIdentity(), objects: items}
 	if len(annotations) != 0 {
 		selection.annotations, err = e.CaptureAnnotations(page, annotations)
 		if err != nil {
@@ -46,7 +47,7 @@ func (e *Editor) CaptureSelection(page int, objects, annotations []string) (*Obj
 // 入参: page 目标页面索引, selection 当前编辑器快照, dx 横向位移，单位为毫米, dy 纵向位移，单位为毫米
 // 返回: []string 新正文标识, []string 新注解标识, error 标识、资源或编辑错误
 func (e *Editor) PasteSelection(page int, selection *ObjectSelection, dx, dy float64) ([]string, []string, error) {
-	if selection == nil || selection.editor != e || !finite(dx) || !finite(dy) {
+	if selection == nil || selection.editor != e || !e.documentIdentity().matches(selection.document) || !finite(dx) || !finite(dy) {
 		return nil, nil, fmt.Errorf("invalid object selection or offset")
 	}
 	var objects, annotations []string
@@ -68,8 +69,8 @@ func (e *Editor) PasteSelection(page int, selection *ObjectSelection, dx, dy flo
 // 入参: page 目标页面索引, path 父复合路径, selection 当前编辑器快照, dx 横向位移，单位为毫米, dy 纵向位移，单位为毫米
 // 返回: []int 新成员序号, error 选区、资源或编辑错误
 func (e *Editor) PasteSelectionToComposite(page int, path ObjectPath, selection *ObjectSelection, dx, dy float64) ([]int, error) {
-	if selection == nil || selection.editor != e {
-		return nil, fmt.Errorf("object selection belongs to another editor")
+	if selection == nil || selection.editor != e || !e.documentIdentity().matches(selection.document) {
+		return nil, fmt.Errorf("object selection belongs to another document or editor")
 	}
 	if selection.annotations != nil {
 		return nil, fmt.Errorf("annotations cannot be nested in a page object")