GFL Windows specific

gflConvertBitmapIntoDIB

The gflConvertBitmapIntoDIB function converts a GFL_BITMAP in a Windows Device Independant Bitmap.

GFL_ERROR gflConvertBitmapIntoDIB(
  const GFL_BITMAP* bitmap,  
  HANDLE* hDIB
);

Parameters

bitmap

Pointer to a GFL_BITMAP structure.

hDIB

Address of a DIB HANDLE.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

gflConvertBitmapIntoDDB

The gflConvertBitmapIntoDDB function converts a GFL_BITMAP in a Windows Device Dependant Bitmap.

GFL_ERROR gflConvertBitmapIntoDIB(
  const GFL_BITMAP* bitmap,  
  HBITMAP* hBitmap
);

Parameters

bitmap

Pointer to a GFL_BITMAP structure.

hBitmap

Address of a HBITMAP.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

gflConvertDIBIntoBitmap

The gflConvertDIBIntoBitmap function converts a Windows Device Independant Bitmap into GFL_BITMAP.

GFL_ERROR gflConvertDIBIntoBitmap(
  HANDLE hDIB,  
  GFL_BITMAP** bitmap
);

Parameters

hDIB

A HANDLE on the DIB.

bitmap

Address of a pointer to a GFL_BITMAP structure.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

gflConvertDDBIntoBitmap

The gflConvertDDBIntoBitmap function converts a Windows Device Dependant Bitmap into GFL_BITMAP.

GFL_ERROR gflConvertDDBIntoBitmap(
  HBITMAP hBitmap,  
  GFL_BITMAP** bitmap
);

Parameters

hBitmap

A HANDLE on the HBITMAP.

bitmap

Address of a pointer to a GFL_BITMAP structure.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

gflLoadBitmapIntoDIB

The gflLoadBitmapIntoDIB function loads a picture file into a Windows Device Independant Bitmap.

GFL_ERROR gflLoadBitmapIntoDIB(
  const char* filename,  
  HANDLE* hDIB,  
  GFL_LOAD_PARAMS* params,  
  GFL_FILE_INFORMATION* informations
);

Parameters

filename

Pointer to a null-terminated string that contains the filename to load.

hDIB

Address of a DIB HANDLE.

params

Pointer to a GFL_LOAD_PARAMS structure.

This structure must be filled correctly.

informations

Pointer to a GFL_FILE_INFORMATION structure. Can be NULL if you don't want it.

You must use gflFreeInformation to free his content.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

gflLoadBitmapIntoDDB

The gflLoadBitmapIntoDDB function loads a picture file into a Windows Device Dependant Bitmap.

GFL_ERROR gflLoadBitmapIntoDDB(
  const char* filename,  
  HBITMAP* hBitmap,  
  GFL_LOAD_PARAMS* params,  
  GFL_FILE_INFORMATION* informations
);

Parameters

filename

Pointer to a null-terminated string that contains the filename to load.

hBitmap

Address of a HBITMAP.

params

Pointer to a GFL_LOAD_PARAMS structure.

This structure must be filled correctly.

informations

Pointer to a GFL_FILE_INFORMATION structure. Can be NULL if you don't want it.

You must use gflFreeInformation to free his content.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

gflAddText

The gflAddText function adds a text on a GFL_BITMAP.

GFL_ERROR gflAddText(
  GFL_BITMAP* bitmap,  
  const char* text,  
  const char* font_name,  
  GFL_INT32 x,  
  GFL_INT32 y,  
  GFL_INT32 font_size,  
  GFL_INT32 orientation,  
  GFL_BOOL italic,  
  GFL_BOOL bold,  
  GFL_BOOL strike_out,  
  GFL_BOOL underline,  
  GFL_BOOL antialias,  
  const GFL_COLOR* color
);

Parameters

bitmap

Pointer to a GFL_BITMAP structure.

text

Pointer to a null-terminated string that contains the text to add.

font_name

Pointer to a null-terminated string that contains the name of the font to use.

x

X position.

y

Y position.

font_size

Height of the font.

orientation

Orientation of the text (degrees).

italic

Specifies a italic font.

bold

Specifies a bold font.

strike_out

Specifies a strikeout font.

underline

Specifies a underline font.

antialias

Font is antialiased.

color

Pointer to a GFL_COLOR structure for the text color.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

gflImportFromClipboard

The gflImportFromClipboard function allows to import the picture from the clipboard. .

GFL_ERROR gflImportFromClipboard(
  GFL_BITMAP** bitmap
);

Parameters

bitmap

Address of a pointer to a GFL_BITMAP structure.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

gflExportIntoClipboard

The gflExportIntoClipboard function allows to export a picture into clipboard..

GFL_ERROR gflExportIntoClipboard(
  GFL_BITMAP* bitmap
);

Parameters

bitmap

Pointer to a GFL_BITMAP structure.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

gflImportFromHWND

The gflImportFromHWND function allows to copy the content of a window. .

GFL_ERROR gflImportFromHWND(
  HWND hwnd,
  const GFL_RECT* rect,  
  GFL_BITMAP** bitmap
);

Parameters

hwnd

Handle of the window.

rect

Pointer to GFL_RECT structure. Rectangle to copy. Can be NULL.

bitmap

Address of a pointer to a GFL_BITMAP structure.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.