|
enum | { COLOR_RED = 0
, COLOR_GREEN = 1
, COLOR_BLUE = 2
, L_ALPHA_CHANNEL = 3
} |
|
enum | {
L_DRAW_RED = 0
, L_DRAW_GREEN = 1
, L_DRAW_BLUE = 2
, L_DRAW_SPECIFIED = 3
,
L_DRAW_RGB = 4
, L_DRAW_RANDOM = 5
} |
|
enum | {
REMOVE_CMAP_TO_BINARY = 0
, REMOVE_CMAP_TO_GRAYSCALE = 1
, REMOVE_CMAP_TO_FULL_COLOR = 2
, REMOVE_CMAP_WITH_ALPHA = 3
,
REMOVE_CMAP_BASED_ON_SRC = 4
} |
|
enum | {
L_NOCOPY = 0
, L_INSERT = L_NOCOPY
, L_COPY = 1
, L_CLONE = 2
,
L_COPY_CLONE = 3
} |
|
enum | { L_SHELL_SORT = 1
, L_BIN_SORT = 2
} |
|
enum | { L_SORT_INCREASING = 1
, L_SORT_DECREASING = 2
} |
|
enum | {
L_SORT_BY_X = 1
, L_SORT_BY_Y = 2
, L_SORT_BY_RIGHT = 3
, L_SORT_BY_BOT = 4
,
L_SORT_BY_WIDTH = 5
, L_SORT_BY_HEIGHT = 6
, L_SORT_BY_MIN_DIMENSION = 7
, L_SORT_BY_MAX_DIMENSION = 8
,
L_SORT_BY_PERIMETER = 9
, L_SORT_BY_AREA = 10
, L_SORT_BY_ASPECT_RATIO = 11
} |
|
enum | {
L_BLEND_WITH_INVERSE = 1
, L_BLEND_TO_WHITE = 2
, L_BLEND_TO_BLACK = 3
, L_BLEND_GRAY = 4
,
L_BLEND_GRAY_WITH_INVERSE = 5
} |
|
enum | { L_PAINT_LIGHT = 1
, L_PAINT_DARK = 2
} |
|
enum | { L_SET_PIXELS = 1
, L_CLEAR_PIXELS = 2
, L_FLIP_PIXELS = 3
} |
|
enum | { L_SELECT_IF_LT = 1
, L_SELECT_IF_GT = 2
, L_SELECT_IF_LTE = 3
, L_SELECT_IF_GTE = 4
} |
|
enum | {
L_SELECT_BY_WIDTH = 1
, L_SELECT_BY_HEIGHT = 2
, L_SELECT_BY_MAX_DIMENSION = 3
, L_SELECT_BY_AREA = 4
,
L_SELECT_BY_PERIMETER = 5
} |
|
enum | {
L_SELECT_WIDTH = 1
, L_SELECT_HEIGHT = 2
, L_SELECT_XVAL = 3
, L_SELECT_YVAL = 4
,
L_SELECT_IF_EITHER = 5
, L_SELECT_IF_BOTH = 6
} |
|
enum | { L_CHECK_WIDTH = 1
, L_CHECK_HEIGHT = 2
, L_CHECK_BOTH = 3
} |
|
enum | {
L_SELECT_RED = 1
, L_SELECT_GREEN = 2
, L_SELECT_BLUE = 3
, L_SELECT_MIN = 4
,
L_SELECT_MAX = 5
, L_SELECT_AVERAGE = 6
, L_SELECT_HUE = 7
, L_SELECT_SATURATION = 8
,
L_SELECT_WEIGHTED = 9
} |
|
enum | { L_INTERMED_DIFF = 1
, L_AVE_MAX_DIFF_2 = 2
, L_MAX_DIFF = 3
} |
|
enum | {
L_LS_BYTE = 1
, L_MS_BYTE = 2
, L_AUTO_BYTE = 3
, L_CLIP_TO_FF = 4
,
L_LS_TWO_BYTES = 5
, L_MS_TWO_BYTES = 6
, L_CLIP_TO_FFFF = 7
} |
|
enum | { L_ROTATE_AREA_MAP = 1
, L_ROTATE_SHEAR = 2
, L_ROTATE_SAMPLING = 3
} |
|
enum | { L_BRING_IN_WHITE = 1
, L_BRING_IN_BLACK = 2
} |
|
enum | { L_SHEAR_ABOUT_CORNER = 1
, L_SHEAR_ABOUT_CENTER = 2
} |
|
enum | {
L_TR_SC_RO = 1
, L_SC_RO_TR = 2
, L_RO_TR_SC = 3
, L_TR_RO_SC = 4
,
L_RO_SC_TR = 5
, L_SC_TR_RO = 6
} |
|
enum | { L_FILL_WHITE = 1
, L_FILL_BLACK = 2
} |
|
enum | { L_SET_WHITE = 1
, L_SET_BLACK = 2
} |
|
enum | { L_GET_WHITE_VAL = 1
, L_GET_BLACK_VAL = 2
} |
|
enum | { L_WHITE_IS_MAX = 1
, L_BLACK_IS_MAX = 2
} |
|
enum | { DEFAULT_CLIP_LOWER_1 = 10
, DEFAULT_CLIP_UPPER_1 = 10
, DEFAULT_CLIP_LOWER_2 = 5
, DEFAULT_CLIP_UPPER_2 = 5
} |
|
enum | { L_MANHATTAN_DISTANCE = 1
, L_EUCLIDEAN_DISTANCE = 2
} |
|
enum | {
L_NEGATIVE = 1
, L_NON_NEGATIVE = 2
, L_POSITIVE = 3
, L_NON_POSITIVE = 4
,
L_ZERO = 5
, L_ALL = 6
} |
|
enum | {
L_MEAN_ABSVAL = 1
, L_MEDIAN_VAL = 2
, L_MODE_VAL = 3
, L_MODE_COUNT = 4
,
L_ROOT_MEAN_SQUARE = 5
, L_STANDARD_DEVIATION = 6
, L_VARIANCE = 7
} |
|
enum | { L_CHOOSE_CONSECUTIVE = 1
, L_CHOOSE_SKIP_BY = 2
} |
|
enum | {
L_TEXT_ORIENT_UNKNOWN = 0
, L_TEXT_ORIENT_UP = 1
, L_TEXT_ORIENT_LEFT = 2
, L_TEXT_ORIENT_DOWN = 3
,
L_TEXT_ORIENT_RIGHT = 4
} |
|
enum | { L_HORIZONTAL_EDGES = 0
, L_VERTICAL_EDGES = 1
, L_ALL_EDGES = 2
} |
|
enum | {
L_HORIZONTAL_LINE = 0
, L_POS_SLOPE_LINE = 1
, L_VERTICAL_LINE = 2
, L_NEG_SLOPE_LINE = 3
,
L_OBLIQUE_LINE = 4
} |
|
enum | { L_PORTRAIT_MODE = 0
, L_LANDSCAPE_MODE = 1
} |
|
enum | {
L_FROM_LEFT = 0
, L_FROM_RIGHT = 1
, L_FROM_TOP = 2
, L_FROM_BOT = 3
,
L_SCAN_NEGATIVE = 4
, L_SCAN_POSITIVE = 5
, L_SCAN_BOTH = 6
, L_SCAN_HORIZONTAL = 7
,
L_SCAN_VERTICAL = 8
} |
|
enum | {
L_ADJUST_SKIP = 0
, L_ADJUST_LEFT = 1
, L_ADJUST_RIGHT = 2
, L_ADJUST_LEFT_AND_RIGHT = 3
,
L_ADJUST_TOP = 4
, L_ADJUST_BOT = 5
, L_ADJUST_TOP_AND_BOT = 6
, L_ADJUST_CHOOSE_MIN = 7
,
L_ADJUST_CHOOSE_MAX = 8
, L_SET_LEFT = 9
, L_SET_RIGHT = 10
, L_SET_TOP = 11
,
L_SET_BOT = 12
, L_GET_LEFT = 13
, L_GET_RIGHT = 14
, L_GET_TOP = 15
,
L_GET_BOT = 16
} |
|
enum | {
L_USE_MINSIZE = 1
, L_USE_MAXSIZE = 2
, L_SUB_ON_LOC_DIFF = 3
, L_SUB_ON_SIZE_DIFF = 4
,
L_USE_CAPPED_MIN = 5
, L_USE_CAPPED_MAX = 6
} |
|
enum | { L_COMBINE = 1
, L_REMOVE_SMALL = 2
} |
|
enum | { L_GEOMETRIC_UNION = 1
, L_GEOMETRIC_INTERSECTION = 2
, L_LARGEST_AREA = 3
, L_SMALLEST_AREA = 4
} |
|
enum | { L_USE_ALL_BOXES = 1
, L_USE_SAME_PARITY_BOXES = 2
} |
|
enum | {
L_UPPER_LEFT = 1
, L_UPPER_RIGHT = 2
, L_LOWER_LEFT = 3
, L_LOWER_RIGHT = 4
,
L_BOX_CENTER = 5
} |
|
enum | { L_WARP_TO_LEFT = 1
, L_WARP_TO_RIGHT = 2
} |
|
enum | { L_LINEAR_WARP = 1
, L_QUADRATIC_WARP = 2
} |
|
enum | { L_INTERPOLATED = 1
, L_SAMPLED = 2
} |
|
enum | { L_THIN_FG = 1
, L_THIN_BG = 2
} |
|
enum | { L_HORIZONTAL_RUNS = 0
, L_VERTICAL_RUNS = 1
} |
|
enum | { L_SOBEL_EDGE = 1
, L_TWO_SIDED_EDGE = 2
} |
|
enum | { L_SUBPIXEL_ORDER_RGB = 1
, L_SUBPIXEL_ORDER_BGR = 2
, L_SUBPIXEL_ORDER_VRGB = 3
, L_SUBPIXEL_ORDER_VBGR = 4
} |
|
enum | { L_HS_HISTO = 1
, L_HV_HISTO = 2
, L_SV_HISTO = 3
} |
|
enum | { L_INCLUDE_REGION = 1
, L_EXCLUDE_REGION = 2
} |
|
enum | {
L_ADD_ABOVE = 1
, L_ADD_BELOW = 2
, L_ADD_LEFT = 3
, L_ADD_RIGHT = 4
,
L_ADD_AT_TOP = 5
, L_ADD_AT_BOT = 6
, L_ADD_AT_LEFT = 7
, L_ADD_AT_RIGHT = 8
} |
|
enum | {
L_PLOT_AT_TOP = 1
, L_PLOT_AT_MID_HORIZ = 2
, L_PLOT_AT_BOT = 3
, L_PLOT_AT_LEFT = 4
,
L_PLOT_AT_MID_VERT = 5
, L_PLOT_AT_RIGHT = 6
} |
|
enum | { L_USE_INNER = 1
, L_USE_OUTER = 2
} |
|
enum | {
L_DISPLAY_WITH_XZGV = 1
, L_DISPLAY_WITH_XLI = 2
, L_DISPLAY_WITH_XV = 3
, L_DISPLAY_WITH_IV = 4
,
L_DISPLAY_WITH_OPEN = 5
} |
|
enum | { L_NO_CHROMA_SAMPLING_JPEG = 1
} |
|
enum | { L_CLIP_TO_ZERO = 1
, L_TAKE_ABSVAL = 2
} |
|
enum | { L_LESS_THAN_ZERO = 1
, L_EQUAL_TO_ZERO = 2
, L_GREATER_THAN_ZERO = 3
} |
|
enum | { L_ADD_TRAIL_SLASH = 1
, L_REMOVE_TRAIL_SLASH = 2
} |
|
Valid image types in leptonica:
Pix: 1 bpp, with and without colormap
Pix: 2 bpp, with and without colormap
Pix: 4 bpp, with and without colormap
Pix: 8 bpp, with and without colormap
Pix: 16 bpp (1 spp)
Pix: 32 bpp (rgb, 3 spp)
Pix: 32 bpp (rgba, 4 spp)
FPix: 32 bpp float
DPix: 64 bpp double
Notes:
(1) The only valid Pix image type with alpha is rgba.
In particular, the alpha component is not used in
cmapped images.
(2) PixComp can hold any Pix with IFF_PNG encoding.
Contents:
(1) This file defines most of the image-related structs used in leptonica:
struct Pix
struct PixColormap
struct RGBA_Quad
struct Pixa
struct Pixaa
struct Box
struct Boxa
struct Boxaa
struct Pta
struct Ptaa
struct Pixacc
struct PixTiling
struct FPix
struct FPixa
struct DPix
struct PixComp
struct PixaComp
(2) This file has definitions for:
Colors for RGBA
Colors for drawing boxes
Perceptual color weights
Colormap conversion flags
Rasterop bit flags
Structure access flags (for insert, copy, clone, copy-clone)
Sorting flags (by type and direction)
Blending flags
Graphics pixel setting flags
Size and location filter flags
Color component selection flags
Color content flags
16-bit conversion flags
Rotation and shear flags
Affine transform order flags
Grayscale filling flags
Flags for setting to white or black
Flags for getting white or black pixel value
Flags for 8 and 16 bit pixel sums
Dithering flags
Distance flags
Value flags
Statistical measures
Set selection flags
Text orientation flags
Edge orientation flags
Line orientation flags
Image orientation flags
Scan direction flags
Box size adjustment flags
Flags for modifying box boundaries using a second box
Handling overlapping bounding boxes in boxa
Selecting or making a box from two (intersecting) boxes
Flags for replacing invalid boxes
Flags for box corners and center
Horizontal warp
Pixel selection for resampling
Thinning flags
Runlength flags
Edge filter flags
Subpixel color component ordering in LCD display
HSV histogram flags
Region flags (inclusion, exclusion)
Flags for adding text to a pix
Flags for plotting on a pix
Flags for making simple masks
Flags for selecting display program
Flags in the 'special' pix field for non-default operations
Handling negative values in conversion to unsigned int
Relative to zero flags
Flags for adding or removing trailing slash from string
(3) This file has typedefs for the pix allocator and deallocator functions
alloc_fn()
dealloc_fn().
Definition in file pix.h.