GFL_SAVE_PARAMS

The GFL_SAVE_PARAMS structure contains options for the save of picture.

typedef struct (
  GFL_UINT32 Flags,  
  GFL_INT32 FormatIndex,  
  GFL_COMPRESSION Compression,  
  GFL_INT16 Quality,  
  GFL_INT16 CompressionLevel,  
  GFL_BOOL Interlaced,  
  GFL_BOOL Progressive,  
  GFL_BOOL OptimizeHuffmanTable,  
  GFL_BOOL InAscii,  
  GFL_UINT32 Offset,  
  GFL_CORDER ChannelOrder,  
  GFL_CTYPE ChannelType,  
  GFL_WRITE_CALLBACK Write,  
  GFL_TELL_CALLBACK Tell,  
  GFL_SEEK_CALLBACK Seek
} GFL_SAVE_PARAMS

Members

Flags

Options

GFL_SAVE_REPLACE_EXTENSION	Replace extension by the default format extension
GFL_SAVE_ANYWAY	Convert picture if colormode can be saved in this format (For example, RGB picture must be converted in 256 colors to save it in GIF)

FormatIndex

Index of format to be used.

Compression

GFL_NO_COMPRESSION	No compression
GFL_RLE	Packbits
GFL_LZW	LZW (tiff only)
GFL_CCITT_FAX3	Fax Group 3 (tiff only)
GFL_CCITT_FAX3_2D	Fax Group 3-2D (tiff only)
GFL_CCITT_FAX4	Fax Group 4 (tiff only)

Quality

Quality of the compression (JPEG)
0: the worst, 100: the best

CompressionLevel

Level of compression (PNG).
1: minimum, 7: maximum

Interlaced

Interlaced mode (GIF).

Progressive

Progressive mode (JPEG).

OptimizeHuffmanTable

Optimize the Huffman table (JPEG).

InAscii

Use the ascii mode (PNM)

Offset

For RAW or YUV format, offset of the data start.

ChannelOrder

For RAW format, channel order of components.

GFL_CORDER_INTERLEAVED	Interleaved
GFL_CORDER_SEQUENTIAL	Sequential
GFL_CORDER_SEPARATE	Separate

ChannelType

For RAW format, channel type of components.

GFL_CTYPE_GREYSCALE	Greyscale
GFL_CTYPE_RGB	Red-Green-Blue
GFL_CTYPE_BGR	Bleu-Green-Red
GFL_CTYPE_RGBA	Red-Green-Bleu-Alpha
GFL_CTYPE_ABGR	Alpha-Bleu-Green-Red
GFL_CTYPE_CMY	Cyan-Magenta-Yellow
GFL_CTYPE_CMYK	Cyan-Magenta-Yellow-Black

Write

Pointer to a write user function.

Tell

Pointer to a tell user function.

Seek

Pointer to a seek user function.

See also

gflGetDefaultSaveParams, gflSaveBitmap, gflSaveBitmapIntoHandle