GFL_BITMAP

The GFL_BITMAP structure contains all informations about picture in memory.

typedef struct (
  GFL_BITMAP_TYPE Type,  
  GFL_ORIGIN Origin,  
  GFL_INT32 Width,  
  GFL_INT32 Height,  
  GFL_UINT32 BytesPerLine,  
  GFL_INT16 LinePadding,  
  GFL_UINT16 BitsPerComponent,  
  GFL_UINT16 ComponentsPerPixel,  
  GFL_UINT16 BytesPerPixel,  
  GFL_UINT16 Xdpi,  
  GFL_UINT16 Ydpi,  
  GFL_INT16 TransparentIndex,  
  GFL_INT32 ColorUsed,  
  GFL_COLORMAP * ColorMap,  
  GFL_UINT8 * Data,  
  char * Comment,  
  void * MetaData
} GFL_BITMAP

Members

Type

Type of the picture

GFL_BINARY	0x0001	Binary
GFL_GREY	0x0002	Grey scale
GFL_COLORS	0x0004	Colors with colormap
GFL_RGB	0x00010	TrueColors - Red/Green/Blue
GFL_RGBA	0x0020	TrueColors - Red/Green/Blue/Alpha
GFL_BGR	0x0040	TrueColors - Blue/Green/Red
GFL_ABGR	0x0080	TrueColors - Alpha/Blue/Green/Red
GFL_BGRA	0x0100	TrueColors - Blue/Green/Red/Alpha
GFL_ARGB	0x0200	TrueColors - Alpha/Red/Green/Blue
GFL_CMYK	0x0400	TrueColors - Cyan/Magenta/Yellow/Black

Origin

Origin of the picture.

GFL_TOP_LEFT	0	Top left (default)
GFL_BOTTOM_LEFT	2	Bottom left
GFL_TOP_RIGHT	1	Top right
GFL_BOTTOM_RIGHT	3	Bottom right

Width

Width in pixels of the picture.

Height

Height in pixels of the picture.

BytesPerLine

Bytes per line of pixels.

LinePadding

Internal use, do not modify.

BitsPerComponent

Bits per component, can be 1, 8, 16

ComponentsPerPixel

Component per pixel, can be 1, 3 or 4

BytesPerPixel

Bytes per pixel (For example: 1, 3 or 4).

Xdpi

Pixels per inch in X axis.

Ydpi

Pixels per inch in Y axis.

TransparentIndex

Index of transparency (only for GFL_COLORS & GFL_GREY type).

ColorUsed

Number of color used in the picture (only for GFL_COLORS & GFL_GREY type).

ColorMap

Address of a GFL_COLORMAP structure for the colormap (only for GFL_COLORS type).

Data

Pointer of the picture data.

Comment

Address of a string used by the comment. You must use gflSetComment to change the comment.

MetaData

Pointer of Metadata. You must use gflBitmapGetIPTC & gflBitmapGetEXIF to obtain readable data.

See also

gflLoadBitmap, gflLoadBitmapFromHandle, gflLoadThumbnail, gflLoadThumbnailFromHandle, gflSaveBitmap, gflSaveBitmapIntoHandle, gflSetComment, gflBitmapGetIPTC, gflBitmapGetEXIF, gflBitmapHasEXIF, gflBitmapHasIPTC, gflBitmapRemoveEXIFThumbnail, gflBitmapRemoveMetaData