Ivan Baravy
185caf04b2
new image type: grayscale (Image.bpp9) tiff fixes for grayscale+alpha images xcf regression bug fixed (screen mode blending, r2388) git-svn-id: svn://kolibrios.org@2733 a494cfbc-eb01-0410-851d-a64ba20cac60
99 lines
3.9 KiB
HTML
99 lines
3.9 KiB
HTML
;;================================================================================================;;
|
|
;;//// libimg.inc //// (c) mike.dld, 2007-2008, (c) diamond, 2009 ////////////////////////////////;;
|
|
;;================================================================================================;;
|
|
;; ;;
|
|
;; This file is part of Common development libraries (Libs-Dev). ;;
|
|
;; ;;
|
|
;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
|
|
;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
|
|
;; of the License, or (at your option) any later version. ;;
|
|
;; ;;
|
|
;; Libs-Dev is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without ;;
|
|
;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
|
|
;; Lesser General Public License for more details. ;;
|
|
;; ;;
|
|
;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
|
|
;; If not, see <http://www.gnu.org/licenses/>. ;;
|
|
;; ;;
|
|
;;================================================================================================;;
|
|
|
|
; list of format id's
|
|
LIBIMG_FORMAT_ID_BMP = 1
|
|
LIBIMG_FORMAT_ID_ICO = 2
|
|
LIBIMG_FORMAT_ID_CUR = 3
|
|
LIBIMG_FORMAT_ID_GIF = 4
|
|
LIBIMG_FORMAT_ID_PNG = 5
|
|
LIBIMG_FORMAT_ID_JPEG = 6
|
|
LIBIMG_FORMAT_ID_TGA = 7
|
|
LIBIMG_FORMAT_ID_PCX = 8
|
|
LIBIMG_FORMAT_ID_XCF = 9
|
|
LIBIMG_FORMAT_ID_TIFF = 10
|
|
LIBIMG_FORMAT_ID_PNM = 11
|
|
LIBIMG_FORMAT_ID_WBMP = 12
|
|
LIBIMG_FORMAT_ID_Z80 = 13
|
|
|
|
; error codes
|
|
LIBIMG_ERROR_OUT_OF_MEMORY = 1
|
|
LIBIMG_ERROR_FORMAT = 2
|
|
LIBIMG_ERROR_CONDITIONS = 3
|
|
LIBIMG_ERROR_BIT_DEPTH = 4
|
|
LIBIMG_ERROR_ENCODER = 5
|
|
|
|
; encode flags (byte 0x02 of _common option)
|
|
LIBIMG_ENCODE_STRICT_SPECIFIC = 0x01
|
|
LIBIMG_ENCODE_STRICT_BIT_DEPTH = 0x02
|
|
LIBIMG_ENCODE_DELETE_ALPHA = 0x08
|
|
LIBIMG_ENCODE_FLUSH_ALPHA = 0x10
|
|
|
|
struct FormatsTableEntry
|
|
Format_id dd ?
|
|
Is dd ?
|
|
Decode dd ?
|
|
Encode dd ?
|
|
Capabilities dd ?
|
|
ends
|
|
|
|
struct Image
|
|
Checksum dd ? ; ((Width ROL 16) OR Height) XOR Data[0]
|
|
Width dd ?
|
|
Height dd ?
|
|
Next dd ?
|
|
Previous dd ?
|
|
Type dd ? ; one of Image.bppN
|
|
Data dd ?
|
|
Palette dd ? ; used iff Type eq Image.bpp8 or Image.bpp1
|
|
Extended dd ?
|
|
Flags dd ? ; bitfield
|
|
Delay dd ? ; used iff Image.IsAnimated is set in Flags
|
|
ends
|
|
|
|
; values for Image.Type
|
|
; must be consecutive to allow fast switch on Image.Type in support functions
|
|
Image.bpp8i = 1 ; indexed
|
|
Image.bpp24 = 2
|
|
Image.bpp32 = 3
|
|
Image.bpp15 = 4
|
|
Image.bpp16 = 5
|
|
Image.bpp1 = 6
|
|
Image.bpp8g = 7 ; grayscale
|
|
Image.bpp8a = 8 ; grayscale with alpha channel; application layer only!!! kernel doesn't handle this image type, libimg can only create and destroy such images
|
|
;Image.bpp4 = 9
|
|
|
|
; bits in Image.Flags
|
|
Image.IsAnimated = 1
|
|
|
|
struct ImageDecodeOptions
|
|
UsedSize dd ? ; if >=8, the field BackgroundColor is valid, and so on
|
|
BackgroundColor dd ? ; used for transparent images as background
|
|
ends
|
|
|
|
FLIP_VERTICAL = 0x01
|
|
FLIP_HORIZONTAL = 0x02
|
|
FLIP_BOTH = FLIP_VERTICAL or FLIP_HORIZONTAL
|
|
|
|
ROTATE_90_CW = 0x01
|
|
ROTATE_180 = 0x02
|
|
ROTATE_270_CW = 0x03
|
|
ROTATE_90_CCW = ROTATE_270_CW
|
|
ROTATE_270_CCW = ROTATE_90_CW
|