How to export PDF page as an image using PDFsharp .NET library?

The answer can be found in the PDFsharp FAQ list: http://www.pdfsharp.net/wiki/PDFsharpFAQ.ashx#Can_PDFsharp_show_PDF_files_Print_PDF_files_Create_images_from_PDF_files_3 PDFsharp creates PDF files, but it cannot render them. The call Bitmap b = new Bitmap((int) pdfp.Width.Point, (int) pdfp.Height.Point, xgfx.Graphics); does not initialize any bits of the bitmap and does not copy anything from the Graphics object except for the DPI setting of the … Read more

Read bitmap file into structure

»This is how you manually load a .BMP file The bitmap file format: Bitmap file header Bitmap info header Palette data Bitmap data So on with the code part. This is our struct we need to create to hold the bitmap file header. #pragma pack(push, 1) typedef struct tagBITMAPFILEHEADER { WORD bfType; //specifies the file … Read more

How can I convert canvas content to an image?

You can either generate a postscript document (to feed into some other tool: ImageMagick, Ghostscript, etc): from Tkinter import * root = Tk() cv = Canvas(root) cv.create_rectangle(10,10,50,50) cv.pack() root.mainloop() cv.update() cv.postscript(file=”file_name.ps”, colormode=”color”) root.mainloop() or draw the same image in parallel on PIL and on Tkinter’s canvas (see: Saving a Tkinter Canvas Drawing (Python)). For example … Read more

techhipbettruvabetnorabahisbahis forumutaraftarium24edueduseduseduseduedusedueduseduedu