Using Win32 functions in Visual FoxPro Image Gallery
Bitmap
..msdn
AlphaBlend
BitBlt
CreateCompatibleBitmap
CreateDIBSection
GetDIBits
GradientFill
LoadBitmap
StretchBlt
StretchDIBits
Code examples:
Bitmap Class for Visual FoxPro application
Drawing Windows predefined bitmaps using the LoadBitmap functions
Bitmap Class for Visual FoxPro application

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Before you begin:
This class loads bitmap from a disk file providing some basic functionality, which includes drawing the bitmap on a device context and copying it to the Windows Clipboard.

See also:
  • Storing screen shot of a form to bitmap file
  • GDI+: saving image of FoxPro form to graphics file (BMP, GIF, JPG, PNG, TIF)
  • Printing the image of a FoxPro form
  • Storing clipboard contents to a BMP file
  • Using the LoadImage() to display a BMP file on the main VFP window
  • How to print a bitmap file

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    4058 bytes  
    Created: 2002-03-31 12:26:38  
    Modified: 2008-12-03 15:26:21  
    Visits in 7 days: 155  
    Listed functions:
    CloseClipboard
    CreateCompatibleDC
    DeleteDC
    DeleteObject
    EmptyClipboard
    GetActiveWindow
    GetObject
    GetWindowDC
    LoadBitmap
    LoadImage
    OpenClipboard
    ReleaseDC
    SelectObject
    SetClipboardData
    StretchBlt
    Printer friendly API declarations
    My comment:
    More functionality like printing and saving the scaled image to another file can be added to this class in a short time from code examples already included in this reference.

    The native FoxPro function LoadPicture returns valid bitmap handle when applied to bitmap files (GIF and JPEG files also):

            obj = LoadPicture("mybitmap.bmp")
            ? "Bitmap handle:", obj.handle


    Actually LoadPicture() returns an object with properties Handle, Height, hPal, Type,and Width.

    Also it has a single method Render called with parameters (VB syntax)
            hdc As Long, x As Long, y As Long,
            cx As Long, cy As Long,
            xSrc As OLE_XPOS_HIMETRIC, ySrc As OLE_YPOS_HIMETRIC,
            cxSrc As OLE_XSIZE_HIMETRIC, cySrc As OLE_YSIZE_HIMETRIC,
            prcWBounds As Any



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