fix: issues of unsupported file formats.

src/service/filehander.cpp

@@ -716,8 +716,14 @@ bool FileHander::saveToImage(PageContext *context, const QString &file, const QS
             QImageWriter w(file, stuff.toLocal8Bit());
             w.setCompression(1);
             return w.write(image);
-        } else
-            return image.save(file, stuff.toLocal8Bit(), imageQuility);
+        } else {
+            bool ret = image.save(file, stuff.toLocal8Bit(), imageQuility);
+            if (!ret) {
+                qWarning() << "save image:" << file << "FAILED!";
+                d_pri()->setError(EUnSupportFile, tr("Unable to save \"%1\", unsupported file format").arg(info.fileName()));
+            }
+            return ret;
+        }
     }
     return false;
 }

src/widgets/dialog/cexportimagedialog.cpp

@@ -199,6 +199,9 @@ void CExportImageDialog::initUI()
     setWgtAccesibleName(m_formatCombox, "Export format comboBox");
     auto writeableFormats = drawApp->writableFormatNameFilters();
     writeableFormats.removeAt(0);
+    // 移除不支持的格式，避免显示出来误导用户
+    writeableFormats.removeAll("AVIF(*.avif)");
+    writeableFormats.removeAll("HEIC(*.heic *.heif)");
     m_formatCombox->addItems(writeableFormats);
 
     m_qualitySlider = new DSlider(Qt::Horizontal, this);
@@ -390,6 +393,9 @@ void CExportImageDialog::showEvent(QShowEvent *event)
     int index = drawApp->writableFormatNameFilters().indexOf(formatFilter);
     if (index != -1) {
         --index;
+        if (index >= m_formatCombox->count()) {
+            index = 0;
+        }
     } else {
         index = 0;
     }

translations/deepin-draw_zh_CN.ts

@@ -571,6 +571,11 @@
         <source>Damaged file, unable to open it</source>
         <translation>文件已损坏，无法打开</translation>
     </message>
+    <message>
+        <location filename="../src/service/filehander.cpp" line="723"/>
+        <source>Unable to save &quot;%1&quot;, unsupported file format</source>
+        <translation>不支持“%1”的文件格式，无法保存</translation>
+    </message>
     <message>
         <location filename="../src/service/filehander.cpp" line="727"/>
         <location filename="../src/service/filehander.cpp" line="867"/>