How to crop portions of PDF document and save it as image in WPF PDFViewer?
WPF PDFViewer control allows the user to include rectangles and save the portions as image.
Steps to be followed:
1. Run the sample. The sample will load the first page of the PDF document.
2. To add a rectangle, click the button ‘Include Rectangle’ which is on the right side. This will add the rectangle at the top-left corner, in the default color.
3. The rectangle can be moved and resized within the scope of the Page.
4. To include rectangle with a different color, select the color from the brush color and click on Include Rectangle button. Multiple rectangles can be included in a single page.
5. To crop the rectangle portion as image, click on the ‘Crop’ button which is at the Right bottom. This will save the image(s) to the Output folder. The cropped images will be saved automatically, if we move to previous or next page of the PDF document.
6. To move to previous or next page of the document, use the previous and next buttons which are present in the Left and Right sides of the display respectively.
7. To open a new document, Use the ‘Open’ button at the right-bottom of the Window.
