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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% PPPP IIIII CCCC TTTTT %
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% P P I C T %
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% PPPP I C T %
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% P I C T %
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% P IIIII CCCC T %
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% %
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% %
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% Read/Write Apple Macintosh QuickDraw/PICT Format %
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% %
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% Software Design %
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% Cristy %
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% July 1992 %
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% https://imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "MagickCore/studio.h"
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#include "MagickCore/blob.h"
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#include "MagickCore/blob-private.h"
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#include "MagickCore/cache.h"
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#include "MagickCore/color-private.h"
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#include "MagickCore/colormap.h"
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#include "MagickCore/colormap-private.h"
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#include "MagickCore/colorspace.h"
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#include "MagickCore/colorspace-private.h"
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#include "MagickCore/composite.h"
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#include "MagickCore/constitute.h"
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#include "MagickCore/exception.h"
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#include "MagickCore/exception-private.h"
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#include "MagickCore/image.h"
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#include "MagickCore/image-private.h"
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#include "MagickCore/list.h"
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#include "MagickCore/log.h"
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#include "MagickCore/magick.h"
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#include "MagickCore/memory_.h"
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#include "MagickCore/monitor.h"
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#include "MagickCore/monitor-private.h"
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#include "MagickCore/pixel-accessor.h"
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#include "MagickCore/profile.h"
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#include "MagickCore/resource_.h"
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#include "MagickCore/quantum-private.h"
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#include "MagickCore/static.h"
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#include "MagickCore/string_.h"
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#include "MagickCore/module.h"
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#include "MagickCore/transform.h"
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#include "MagickCore/utility.h"
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/*
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ImageMagick Macintosh PICT Methods.
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*/
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typedef struct _PICTCode
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{
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const char
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*name;
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ssize_t
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length;
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const char
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*description;
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} PICTCode;
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typedef struct _PICTPixmap
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{
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short
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version,
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pack_type;
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size_t
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pack_size,
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horizontal_resolution,
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vertical_resolution;
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short
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pixel_type,
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bits_per_pixel,
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component_count,
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component_size;
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size_t
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plane_bytes,
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table,
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reserved;
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} PICTPixmap;
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typedef struct _PICTRectangle
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{
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short
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top,
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left,
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bottom,
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right;
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} PICTRectangle;
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static const PICTCode
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codes[] =
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{
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/* 0x00 */ { "NOP", 0, "nop" },
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/* 0x01 */ { "Clip", 0, "clip" },
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/* 0x02 */ { "BkPat", 8, "background pattern" },
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/* 0x03 */ { "TxFont", 2, "text font (word)" },
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/* 0x04 */ { "TxFace", 1, "text face (byte)" },
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/* 0x05 */ { "TxMode", 2, "text mode (word)" },
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/* 0x06 */ { "SpExtra", 4, "space extra (fixed point)" },
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/* 0x07 */ { "PnSize", 4, "pen size (point)" },
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/* 0x08 */ { "PnMode", 2, "pen mode (word)" },
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/* 0x09 */ { "PnPat", 8, "pen pattern" },
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/* 0x0a */ { "FillPat", 8, "fill pattern" },
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/* 0x0b */ { "OvSize", 4, "oval size (point)" },
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/* 0x0c */ { "Origin", 4, "dh, dv (word)" },
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/* 0x0d */ { "TxSize", 2, "text size (word)" },
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/* 0x0e */ { "FgColor", 4, "foreground color (ssize_tword)" },
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/* 0x0f */ { "BkColor", 4, "background color (ssize_tword)" },
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/* 0x10 */ { "TxRatio", 8, "numerator (point), denominator (point)" },
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/* 0x11 */ { "Version", 1, "version (byte)" },
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/* 0x12 */ { "BkPixPat", 0, "color background pattern" },
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/* 0x13 */ { "PnPixPat", 0, "color pen pattern" },
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/* 0x14 */ { "FillPixPat", 0, "color fill pattern" },
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/* 0x15 */ { "PnLocHFrac", 2, "fractional pen position" },
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/* 0x16 */ { "ChExtra", 2, "extra for each character" },
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|
/* 0x17 */ { "reserved", 0, "reserved for Apple use" },
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|
/* 0x18 */ { "reserved", 0, "reserved for Apple use" },
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|
/* 0x19 */ { "reserved", 0, "reserved for Apple use" },
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/* 0x1a */ { "RGBFgCol", 6, "RGB foreColor" },
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/* 0x1b */ { "RGBBkCol", 6, "RGB backColor" },
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|
/* 0x1c */ { "HiliteMode", 0, "hilite mode flag" },
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/* 0x1d */ { "HiliteColor", 6, "RGB hilite color" },
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|
/* 0x1e */ { "DefHilite", 0, "Use default hilite color" },
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|
/* 0x1f */ { "OpColor", 6, "RGB OpColor for arithmetic modes" },
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/* 0x20 */ { "Line", 8, "pnLoc (point), newPt (point)" },
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|
/* 0x21 */ { "LineFrom", 4, "newPt (point)" },
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/* 0x22 */ { "ShortLine", 6, "pnLoc (point, dh, dv (-128 .. 127))" },
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|
/* 0x23 */ { "ShortLineFrom", 2, "dh, dv (-128 .. 127)" },
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|
|
/* 0x24 */ { "reserved", -1, "reserved for Apple use" },
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|
/* 0x25 */ { "reserved", -1, "reserved for Apple use" },
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|
/* 0x26 */ { "reserved", -1, "reserved for Apple use" },
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|
/* 0x27 */ { "reserved", -1, "reserved for Apple use" },
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/* 0x28 */ { "LongText", 0, "txLoc (point), count (0..255), text" },
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|
/* 0x29 */ { "DHText", 0, "dh (0..255), count (0..255), text" },
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|
/* 0x2a */ { "DVText", 0, "dv (0..255), count (0..255), text" },
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|
/* 0x2b */ { "DHDVText", 0, "dh, dv (0..255), count (0..255), text" },
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|
|
/* 0x2c */ { "reserved", -1, "reserved for Apple use" },
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|
|
/* 0x2d */ { "reserved", -1, "reserved for Apple use" },
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|
|
/* 0x2e */ { "reserved", -1, "reserved for Apple use" },
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|
|
/* 0x2f */ { "reserved", -1, "reserved for Apple use" },
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|
/* 0x30 */ { "frameRect", 8, "rect" },
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|
/* 0x31 */ { "paintRect", 8, "rect" },
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|
/* 0x32 */ { "eraseRect", 8, "rect" },
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|
/* 0x33 */ { "invertRect", 8, "rect" },
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|
/* 0x34 */ { "fillRect", 8, "rect" },
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|
/* 0x35 */ { "reserved", 8, "reserved for Apple use" },
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|
/* 0x36 */ { "reserved", 8, "reserved for Apple use" },
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|
/* 0x37 */ { "reserved", 8, "reserved for Apple use" },
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|
/* 0x38 */ { "frameSameRect", 0, "rect" },
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/* 0x39 */ { "paintSameRect", 0, "rect" },
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|
/* 0x3a */ { "eraseSameRect", 0, "rect" },
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|
/* 0x3b */ { "invertSameRect", 0, "rect" },
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|
/* 0x3c */ { "fillSameRect", 0, "rect" },
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|
/* 0x3d */ { "reserved", 0, "reserved for Apple use" },
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|
/* 0x3e */ { "reserved", 0, "reserved for Apple use" },
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|
/* 0x3f */ { "reserved", 0, "reserved for Apple use" },
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|
/* 0x40 */ { "frameRRect", 8, "rect" },
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|
/* 0x41 */ { "paintRRect", 8, "rect" },
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|
/* 0x42 */ { "eraseRRect", 8, "rect" },
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|
/* 0x43 */ { "invertRRect", 8, "rect" },
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|
/* 0x44 */ { "fillRRrect", 8, "rect" },
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|
|
/* 0x45 */ { "reserved", 8, "reserved for Apple use" },
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|
|
/* 0x46 */ { "reserved", 8, "reserved for Apple use" },
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|
|
/* 0x47 */ { "reserved", 8, "reserved for Apple use" },
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|
|
/* 0x48 */ { "frameSameRRect", 0, "rect" },
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|
/* 0x49 */ { "paintSameRRect", 0, "rect" },
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|
/* 0x4a */ { "eraseSameRRect", 0, "rect" },
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|
|
/* 0x4b */ { "invertSameRRect", 0, "rect" },
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|
|
/* 0x4c */ { "fillSameRRect", 0, "rect" },
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|
|
/* 0x4d */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x4e */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x4f */ { "reserved", 0, "reserved for Apple use" },
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|
|
/* 0x50 */ { "frameOval", 8, "rect" },
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|
/* 0x51 */ { "paintOval", 8, "rect" },
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|
/* 0x52 */ { "eraseOval", 8, "rect" },
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|
/* 0x53 */ { "invertOval", 8, "rect" },
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|
|
/* 0x54 */ { "fillOval", 8, "rect" },
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|
|
/* 0x55 */ { "reserved", 8, "reserved for Apple use" },
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|
|
/* 0x56 */ { "reserved", 8, "reserved for Apple use" },
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|
|
/* 0x57 */ { "reserved", 8, "reserved for Apple use" },
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|
|
/* 0x58 */ { "frameSameOval", 0, "rect" },
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|
|
/* 0x59 */ { "paintSameOval", 0, "rect" },
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|
|
/* 0x5a */ { "eraseSameOval", 0, "rect" },
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|
|
/* 0x5b */ { "invertSameOval", 0, "rect" },
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|
|
/* 0x5c */ { "fillSameOval", 0, "rect" },
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|
|
/* 0x5d */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x5e */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x5f */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x60 */ { "frameArc", 12, "rect, startAngle, arcAngle" },
|
|
|
/* 0x61 */ { "paintArc", 12, "rect, startAngle, arcAngle" },
|
|
|
/* 0x62 */ { "eraseArc", 12, "rect, startAngle, arcAngle" },
|
|
|
/* 0x63 */ { "invertArc", 12, "rect, startAngle, arcAngle" },
|
|
|
/* 0x64 */ { "fillArc", 12, "rect, startAngle, arcAngle" },
|
|
|
/* 0x65 */ { "reserved", 12, "reserved for Apple use" },
|
|
|
/* 0x66 */ { "reserved", 12, "reserved for Apple use" },
|
|
|
/* 0x67 */ { "reserved", 12, "reserved for Apple use" },
|
|
|
/* 0x68 */ { "frameSameArc", 4, "rect, startAngle, arcAngle" },
|
|
|
/* 0x69 */ { "paintSameArc", 4, "rect, startAngle, arcAngle" },
|
|
|
/* 0x6a */ { "eraseSameArc", 4, "rect, startAngle, arcAngle" },
|
|
|
/* 0x6b */ { "invertSameArc", 4, "rect, startAngle, arcAngle" },
|
|
|
/* 0x6c */ { "fillSameArc", 4, "rect, startAngle, arcAngle" },
|
|
|
/* 0x6d */ { "reserved", 4, "reserved for Apple use" },
|
|
|
/* 0x6e */ { "reserved", 4, "reserved for Apple use" },
|
|
|
/* 0x6f */ { "reserved", 4, "reserved for Apple use" },
|
|
|
/* 0x70 */ { "framePoly", 0, "poly" },
|
|
|
/* 0x71 */ { "paintPoly", 0, "poly" },
|
|
|
/* 0x72 */ { "erasePoly", 0, "poly" },
|
|
|
/* 0x73 */ { "invertPoly", 0, "poly" },
|
|
|
/* 0x74 */ { "fillPoly", 0, "poly" },
|
|
|
/* 0x75 */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x76 */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x77 */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x78 */ { "frameSamePoly", 0, "poly (NYI)" },
|
|
|
/* 0x79 */ { "paintSamePoly", 0, "poly (NYI)" },
|
|
|
/* 0x7a */ { "eraseSamePoly", 0, "poly (NYI)" },
|
|
|
/* 0x7b */ { "invertSamePoly", 0, "poly (NYI)" },
|
|
|
/* 0x7c */ { "fillSamePoly", 0, "poly (NYI)" },
|
|
|
/* 0x7d */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x7e */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x7f */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x80 */ { "frameRgn", 0, "region" },
|
|
|
/* 0x81 */ { "paintRgn", 0, "region" },
|
|
|
/* 0x82 */ { "eraseRgn", 0, "region" },
|
|
|
/* 0x83 */ { "invertRgn", 0, "region" },
|
|
|
/* 0x84 */ { "fillRgn", 0, "region" },
|
|
|
/* 0x85 */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x86 */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x87 */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x88 */ { "frameSameRgn", 0, "region (NYI)" },
|
|
|
/* 0x89 */ { "paintSameRgn", 0, "region (NYI)" },
|
|
|
/* 0x8a */ { "eraseSameRgn", 0, "region (NYI)" },
|
|
|
/* 0x8b */ { "invertSameRgn", 0, "region (NYI)" },
|
|
|
/* 0x8c */ { "fillSameRgn", 0, "region (NYI)" },
|
|
|
/* 0x8d */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x8e */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x8f */ { "reserved", 0, "reserved for Apple use" },
|
|
|
/* 0x90 */ { "BitsRect", 0, "copybits, rect clipped" },
|
|
|
/* 0x91 */ { "BitsRgn", 0, "copybits, rgn clipped" },
|
|
|
/* 0x92 */ { "reserved", -1, "reserved for Apple use" },
|
|
|
/* 0x93 */ { "reserved", -1, "reserved for Apple use" },
|
|
|
/* 0x94 */ { "reserved", -1, "reserved for Apple use" },
|
|
|
/* 0x95 */ { "reserved", -1, "reserved for Apple use" },
|
|
|
/* 0x96 */ { "reserved", -1, "reserved for Apple use" },
|
|
|
/* 0x97 */ { "reserved", -1, "reserved for Apple use" },
|
|
|
/* 0x98 */ { "PackBitsRect", 0, "packed copybits, rect clipped" },
|
|
|
/* 0x99 */ { "PackBitsRgn", 0, "packed copybits, rgn clipped" },
|
|
|
/* 0x9a */ { "DirectBitsRect", 0, "PixMap, srcRect, dstRect, mode, PixData" },
|
|
|
/* 0x9b */ { "DirectBitsRgn", 0, "PixMap, srcRect, dstRect, mode, maskRgn, PixData" },
|
|
|
/* 0x9c */ { "reserved", -1, "reserved for Apple use" },
|
|
|
/* 0x9d */ { "reserved", -1, "reserved for Apple use" },
|
|
|
/* 0x9e */ { "reserved", -1, "reserved for Apple use" },
|
|
|
/* 0x9f */ { "reserved", -1, "reserved for Apple use" },
|
|
|
/* 0xa0 */ { "ShortComment", 2, "kind (word)" },
|
|
|
/* 0xa1 */ { "LongComment", 0, "kind (word), size (word), data" }
|
|
|
};
|
|
|
|
|
|
/*
|
|
|
Forward declarations.
|
|
|
*/
|
|
|
static MagickBooleanType
|
|
|
WritePICTImage(const ImageInfo *,Image *,ExceptionInfo *);
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% D e c o d e I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% DecodeImage decompresses an image via Macintosh pack bits decoding for
|
|
|
% Macintosh PICT images.
|
|
|
%
|
|
|
% The format of the DecodeImage method is:
|
|
|
%
|
|
|
% unsigned char *DecodeImage(Image *blob,Image *image,
|
|
|
% size_t bytes_per_line,const int bits_per_pixel,
|
|
|
% unsigned size_t extent)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image_info: the image info.
|
|
|
%
|
|
|
% o blob,image: the address of a structure of type Image.
|
|
|
%
|
|
|
% o bytes_per_line: This integer identifies the number of bytes in a
|
|
|
% scanline.
|
|
|
%
|
|
|
% o bits_per_pixel: the number of bits in a pixel.
|
|
|
%
|
|
|
% o extent: the number of pixels allocated.
|
|
|
%
|
|
|
*/
|
|
|
|
|
|
static const unsigned char *UnpackScanline(
|
|
|
const unsigned char *magick_restrict pixels,const unsigned int bits_per_pixel,
|
|
|
unsigned char *scanline,MagickSizeType *bytes_per_line)
|
|
|
{
|
|
|
const unsigned char
|
|
|
*p;
|
|
|
|
|
|
ssize_t
|
|
|
i;
|
|
|
|
|
|
unsigned char
|
|
|
*q;
|
|
|
|
|
|
p=pixels;
|
|
|
q=scanline;
|
|
|
switch (bits_per_pixel)
|
|
|
{
|
|
|
case 8:
|
|
|
case 16:
|
|
|
case 32:
|
|
|
return(pixels);
|
|
|
case 4:
|
|
|
{
|
|
|
for (i=0; i < (ssize_t) *bytes_per_line; i++)
|
|
|
{
|
|
|
*q++=(*p >> 4) & 0xff;
|
|
|
*q++=(*p & 15);
|
|
|
p++;
|
|
|
}
|
|
|
*bytes_per_line*=2;
|
|
|
break;
|
|
|
}
|
|
|
case 2:
|
|
|
{
|
|
|
for (i=0; i < (ssize_t) *bytes_per_line; i++)
|
|
|
{
|
|
|
*q++=(*p >> 6) & 0x03;
|
|
|
*q++=(*p >> 4) & 0x03;
|
|
|
*q++=(*p >> 2) & 0x03;
|
|
|
*q++=(*p & 3);
|
|
|
p++;
|
|
|
}
|
|
|
*bytes_per_line*=4;
|
|
|
break;
|
|
|
}
|
|
|
case 1:
|
|
|
{
|
|
|
for (i=0; i < (ssize_t) *bytes_per_line; i++)
|
|
|
{
|
|
|
*q++=(*p >> 7) & 0x01;
|
|
|
*q++=(*p >> 6) & 0x01;
|
|
|
*q++=(*p >> 5) & 0x01;
|
|
|
*q++=(*p >> 4) & 0x01;
|
|
|
*q++=(*p >> 3) & 0x01;
|
|
|
*q++=(*p >> 2) & 0x01;
|
|
|
*q++=(*p >> 1) & 0x01;
|
|
|
*q++=(*p & 0x01);
|
|
|
p++;
|
|
|
}
|
|
|
*bytes_per_line*=8;
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
return(scanline);
|
|
|
}
|
|
|
|
|
|
static unsigned char *DecodeImage(Image *blob,Image *image,
|
|
|
size_t bytes_per_line,const unsigned int bits_per_pixel,size_t *extent)
|
|
|
{
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
MagickSizeType
|
|
|
number_pixels;
|
|
|
|
|
|
const unsigned char
|
|
|
*p;
|
|
|
|
|
|
ssize_t
|
|
|
i;
|
|
|
|
|
|
unsigned char
|
|
|
*q;
|
|
|
|
|
|
size_t
|
|
|
bytes_per_pixel,
|
|
|
length,
|
|
|
row_bytes,
|
|
|
scanline_length,
|
|
|
width;
|
|
|
|
|
|
ssize_t
|
|
|
count,
|
|
|
j,
|
|
|
y;
|
|
|
|
|
|
unsigned char
|
|
|
*pixels,
|
|
|
*scanline,
|
|
|
unpack_buffer[8*256];
|
|
|
|
|
|
/*
|
|
|
Determine pixel buffer size.
|
|
|
*/
|
|
|
if (bits_per_pixel <= 8)
|
|
|
bytes_per_line&=0x7fff;
|
|
|
width=image->columns;
|
|
|
bytes_per_pixel=1;
|
|
|
if (bits_per_pixel == 16)
|
|
|
{
|
|
|
bytes_per_pixel=2;
|
|
|
width*=2;
|
|
|
}
|
|
|
else
|
|
|
if (bits_per_pixel == 32)
|
|
|
width*=image->alpha_trait ? 4 : 3;
|
|
|
if (bytes_per_line == 0)
|
|
|
bytes_per_line=width;
|
|
|
row_bytes=(size_t) (image->columns | 0x8000);
|
|
|
if (image->storage_class == DirectClass)
|
|
|
row_bytes=(size_t) ((4*image->columns) | 0x8000);
|
|
|
/*
|
|
|
Allocate pixel and scanline buffer.
|
|
|
*/
|
|
|
pixels=(unsigned char *) AcquireQuantumMemory(image->rows,row_bytes*
|
|
|
sizeof(*pixels));
|
|
|
if (pixels == (unsigned char *) NULL)
|
|
|
return((unsigned char *) NULL);
|
|
|
*extent=row_bytes*image->rows*sizeof(*pixels);
|
|
|
(void) memset(pixels,0,*extent);
|
|
|
scanline=(unsigned char *) AcquireQuantumMemory(row_bytes,2*
|
|
|
sizeof(*scanline));
|
|
|
if (scanline == (unsigned char *) NULL)
|
|
|
{
|
|
|
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
|
|
return((unsigned char *) NULL);
|
|
|
}
|
|
|
(void) memset(scanline,0,2*row_bytes*sizeof(*scanline));
|
|
|
(void) memset(unpack_buffer,0,sizeof(unpack_buffer));
|
|
|
status=MagickTrue;
|
|
|
if (bytes_per_line < 8)
|
|
|
{
|
|
|
/*
|
|
|
Pixels are already uncompressed.
|
|
|
*/
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
q=pixels+y*width*GetPixelChannels(image);
|
|
|
number_pixels=bytes_per_line;
|
|
|
count=ReadBlob(blob,(size_t) number_pixels,scanline);
|
|
|
if (count != (ssize_t) number_pixels)
|
|
|
{
|
|
|
status=MagickFalse;
|
|
|
break;
|
|
|
}
|
|
|
p=UnpackScanline(scanline,bits_per_pixel,unpack_buffer,&number_pixels);
|
|
|
if ((q+number_pixels) > (pixels+(*extent)))
|
|
|
{
|
|
|
status=MagickFalse;
|
|
|
break;
|
|
|
}
|
|
|
(void) memcpy(q,p,(size_t) number_pixels);
|
|
|
}
|
|
|
scanline=(unsigned char *) RelinquishMagickMemory(scanline);
|
|
|
if (status == MagickFalse)
|
|
|
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
|
|
return(pixels);
|
|
|
}
|
|
|
/*
|
|
|
Uncompress RLE pixels into uncompressed pixel buffer.
|
|
|
*/
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
q=pixels+y*width;
|
|
|
if (bytes_per_line > 200)
|
|
|
scanline_length=ReadBlobMSBShort(blob);
|
|
|
else
|
|
|
scanline_length=(size_t) ReadBlobByte(blob);
|
|
|
if ((scanline_length >= row_bytes) || (scanline_length == 0))
|
|
|
{
|
|
|
status=MagickFalse;
|
|
|
break;
|
|
|
}
|
|
|
count=ReadBlob(blob,scanline_length,scanline);
|
|
|
if (count != (ssize_t) scanline_length)
|
|
|
{
|
|
|
status=MagickFalse;
|
|
|
break;
|
|
|
}
|
|
|
for (j=0; j < (ssize_t) scanline_length; )
|
|
|
if ((scanline[j] & 0x80) == 0)
|
|
|
{
|
|
|
length=(size_t) ((scanline[j] & 0xff)+1);
|
|
|
number_pixels=length*bytes_per_pixel;
|
|
|
p=UnpackScanline(scanline+j+1,bits_per_pixel,unpack_buffer,
|
|
|
&number_pixels);
|
|
|
if ((q-pixels+number_pixels) <= *extent)
|
|
|
(void) memcpy(q,p,(size_t) number_pixels);
|
|
|
q+=number_pixels;
|
|
|
j+=(ssize_t) (length*bytes_per_pixel+1);
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
length=(size_t) (((scanline[j] ^ 0xff) & 0xff)+2);
|
|
|
number_pixels=bytes_per_pixel;
|
|
|
p=UnpackScanline(scanline+j+1,bits_per_pixel,unpack_buffer,
|
|
|
&number_pixels);
|
|
|
for (i=0; i < (ssize_t) length; i++)
|
|
|
{
|
|
|
if ((q-pixels+number_pixels) <= *extent)
|
|
|
(void) memcpy(q,p,(size_t) number_pixels);
|
|
|
q+=number_pixels;
|
|
|
}
|
|
|
j+=(ssize_t) bytes_per_pixel+1;
|
|
|
}
|
|
|
}
|
|
|
scanline=(unsigned char *) RelinquishMagickMemory(scanline);
|
|
|
if (status == MagickFalse)
|
|
|
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
|
|
return(pixels);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% E n c o d e I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% EncodeImage compresses an image via Macintosh pack bits encoding
|
|
|
% for Macintosh PICT images.
|
|
|
%
|
|
|
% The format of the EncodeImage method is:
|
|
|
%
|
|
|
% size_t EncodeImage(Image *image,const unsigned char *scanline,
|
|
|
% const size_t bytes_per_line,unsigned char *pixels)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image: the address of a structure of type Image.
|
|
|
%
|
|
|
% o scanline: A pointer to an array of characters to pack.
|
|
|
%
|
|
|
% o bytes_per_line: the number of bytes in a scanline.
|
|
|
%
|
|
|
% o pixels: A pointer to an array of characters where the packed
|
|
|
% characters are stored.
|
|
|
%
|
|
|
*/
|
|
|
static size_t EncodeImage(Image *image,const unsigned char *scanline,
|
|
|
const size_t bytes_per_line,unsigned char *pixels)
|
|
|
{
|
|
|
#define MaxCount 128
|
|
|
#define MaxPackbitsRunlength 128
|
|
|
|
|
|
const unsigned char
|
|
|
*p;
|
|
|
|
|
|
ssize_t
|
|
|
i;
|
|
|
|
|
|
unsigned char
|
|
|
*q;
|
|
|
|
|
|
size_t
|
|
|
length;
|
|
|
|
|
|
ssize_t
|
|
|
count,
|
|
|
repeat_count,
|
|
|
runlength;
|
|
|
|
|
|
unsigned char
|
|
|
index;
|
|
|
|
|
|
/*
|
|
|
Pack scanline.
|
|
|
*/
|
|
|
assert(image != (Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
if (image->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
|
|
assert(scanline != (unsigned char *) NULL);
|
|
|
assert(pixels != (unsigned char *) NULL);
|
|
|
count=0;
|
|
|
runlength=0;
|
|
|
p=scanline+(bytes_per_line-1);
|
|
|
q=pixels;
|
|
|
index=(*p);
|
|
|
for (i=(ssize_t) bytes_per_line-1; i >= 0; i--)
|
|
|
{
|
|
|
if (index == *p)
|
|
|
runlength++;
|
|
|
else
|
|
|
{
|
|
|
if (runlength < 3)
|
|
|
while (runlength > 0)
|
|
|
{
|
|
|
*q++=(unsigned char) index;
|
|
|
runlength--;
|
|
|
count++;
|
|
|
if (count == MaxCount)
|
|
|
{
|
|
|
*q++=(unsigned char) (MaxCount-1);
|
|
|
count-=MaxCount;
|
|
|
}
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
if (count > 0)
|
|
|
*q++=(unsigned char) (count-1);
|
|
|
count=0;
|
|
|
while (runlength > 0)
|
|
|
{
|
|
|
repeat_count=runlength;
|
|
|
if (repeat_count > MaxPackbitsRunlength)
|
|
|
repeat_count=MaxPackbitsRunlength;
|
|
|
*q++=(unsigned char) index;
|
|
|
*q++=(unsigned char) (257-repeat_count);
|
|
|
runlength-=repeat_count;
|
|
|
}
|
|
|
}
|
|
|
runlength=1;
|
|
|
}
|
|
|
index=(*p);
|
|
|
p--;
|
|
|
}
|
|
|
if (runlength < 3)
|
|
|
while (runlength > 0)
|
|
|
{
|
|
|
*q++=(unsigned char) index;
|
|
|
runlength--;
|
|
|
count++;
|
|
|
if (count == MaxCount)
|
|
|
{
|
|
|
*q++=(unsigned char) (MaxCount-1);
|
|
|
count-=MaxCount;
|
|
|
}
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
if (count > 0)
|
|
|
*q++=(unsigned char) (count-1);
|
|
|
count=0;
|
|
|
while (runlength > 0)
|
|
|
{
|
|
|
repeat_count=runlength;
|
|
|
if (repeat_count > MaxPackbitsRunlength)
|
|
|
repeat_count=MaxPackbitsRunlength;
|
|
|
*q++=(unsigned char) index;
|
|
|
*q++=(unsigned char) (257-repeat_count);
|
|
|
runlength-=repeat_count;
|
|
|
}
|
|
|
}
|
|
|
if (count > 0)
|
|
|
*q++=(unsigned char) (count-1);
|
|
|
/*
|
|
|
Write the number of and the packed length.
|
|
|
*/
|
|
|
length=(size_t) (q-pixels);
|
|
|
if (bytes_per_line > 200)
|
|
|
{
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) length);
|
|
|
length+=2;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
(void) WriteBlobByte(image,(unsigned char) length);
|
|
|
length++;
|
|
|
}
|
|
|
while (q != pixels)
|
|
|
{
|
|
|
q--;
|
|
|
(void) WriteBlobByte(image,*q);
|
|
|
}
|
|
|
return(length);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% I s P I C T %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% IsPICT()() returns MagickTrue if the image format type, identified by the
|
|
|
% magick string, is PICT.
|
|
|
%
|
|
|
% The format of the ReadPICTImage method is:
|
|
|
%
|
|
|
% MagickBooleanType IsPICT(const unsigned char *magick,const size_t length)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o magick: compare image format pattern against these bytes.
|
|
|
%
|
|
|
% o length: Specifies the length of the magick string.
|
|
|
%
|
|
|
*/
|
|
|
static MagickBooleanType IsPICT(const unsigned char *magick,const size_t length)
|
|
|
{
|
|
|
if (length < 12)
|
|
|
return(MagickFalse);
|
|
|
/*
|
|
|
Embedded OLE2 macintosh have "PICT" instead of 512 platform header.
|
|
|
*/
|
|
|
if (memcmp(magick,"PICT",4) == 0)
|
|
|
return(MagickTrue);
|
|
|
if (length < 528)
|
|
|
return(MagickFalse);
|
|
|
if (memcmp(magick+522,"\000\021\002\377\014\000",6) == 0)
|
|
|
return(MagickTrue);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
|
|
|
#if !defined(macintosh)
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e a d P I C T I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% ReadPICTImage() reads an Apple Macintosh QuickDraw/PICT image file
|
|
|
% and returns it. It allocates the memory necessary for the new Image
|
|
|
% structure and returns a pointer to the new image.
|
|
|
%
|
|
|
% The format of the ReadPICTImage method is:
|
|
|
%
|
|
|
% Image *ReadPICTImage(const ImageInfo *image_info,
|
|
|
% ExceptionInfo *exception)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image_info: the image info.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
|
|
|
static MagickBooleanType ReadPixmap(Image *image,PICTPixmap *pixmap)
|
|
|
{
|
|
|
pixmap->version=(short) ReadBlobMSBShort(image);
|
|
|
pixmap->pack_type=(short) ReadBlobMSBShort(image);
|
|
|
pixmap->pack_size=ReadBlobMSBLong(image);
|
|
|
pixmap->horizontal_resolution=1UL*ReadBlobMSBShort(image);
|
|
|
(void) ReadBlobMSBShort(image);
|
|
|
pixmap->vertical_resolution=1UL*ReadBlobMSBShort(image);
|
|
|
(void) ReadBlobMSBShort(image);
|
|
|
pixmap->pixel_type=(short) ReadBlobMSBShort(image);
|
|
|
pixmap->bits_per_pixel=(short) ReadBlobMSBShort(image);
|
|
|
pixmap->component_count=(short) ReadBlobMSBShort(image);
|
|
|
pixmap->component_size=(short) ReadBlobMSBShort(image);
|
|
|
pixmap->plane_bytes=ReadBlobMSBLong(image);
|
|
|
pixmap->table=ReadBlobMSBLong(image);
|
|
|
pixmap->reserved=ReadBlobMSBLong(image);
|
|
|
if ((EOFBlob(image) != MagickFalse) || (pixmap->bits_per_pixel <= 0) ||
|
|
|
(pixmap->bits_per_pixel > 32) || (pixmap->component_count <= 0) ||
|
|
|
(pixmap->component_count > 4) || (pixmap->component_size <= 0))
|
|
|
return(MagickFalse);
|
|
|
return(MagickTrue);
|
|
|
}
|
|
|
|
|
|
static MagickBooleanType ReadRectangle(Image *image,PICTRectangle *rectangle)
|
|
|
{
|
|
|
rectangle->top=(short) ReadBlobMSBShort(image);
|
|
|
rectangle->left=(short) ReadBlobMSBShort(image);
|
|
|
rectangle->bottom=(short) ReadBlobMSBShort(image);
|
|
|
rectangle->right=(short) ReadBlobMSBShort(image);
|
|
|
if (((EOFBlob(image) != MagickFalse) ||
|
|
|
(((rectangle->bottom | rectangle->top |
|
|
|
rectangle->right | rectangle->left ) & 0x8000) != 0) ||
|
|
|
(rectangle->bottom < rectangle->top) ||
|
|
|
(rectangle->right < rectangle->left)))
|
|
|
return(MagickFalse);
|
|
|
return(MagickTrue);
|
|
|
}
|
|
|
|
|
|
static Image *ReadPICTImage(const ImageInfo *image_info,
|
|
|
ExceptionInfo *exception)
|
|
|
{
|
|
|
#define ThrowPICTException(exception,message) \
|
|
|
{ \
|
|
|
if (tile_image != (Image *) NULL) \
|
|
|
tile_image=DestroyImage(tile_image); \
|
|
|
if (read_info != (ImageInfo *) NULL) \
|
|
|
read_info=DestroyImageInfo(read_info); \
|
|
|
ThrowReaderException((exception),(message)); \
|
|
|
}
|
|
|
|
|
|
char
|
|
|
geometry[MagickPathExtent],
|
|
|
header_ole[4];
|
|
|
|
|
|
Image
|
|
|
*image,
|
|
|
*tile_image;
|
|
|
|
|
|
ImageInfo
|
|
|
*read_info;
|
|
|
|
|
|
int
|
|
|
c,
|
|
|
code;
|
|
|
|
|
|
MagickBooleanType
|
|
|
jpeg,
|
|
|
status;
|
|
|
|
|
|
PICTRectangle
|
|
|
frame;
|
|
|
|
|
|
PICTPixmap
|
|
|
pixmap;
|
|
|
|
|
|
Quantum
|
|
|
index;
|
|
|
|
|
|
Quantum
|
|
|
*q;
|
|
|
|
|
|
ssize_t
|
|
|
i,
|
|
|
x;
|
|
|
|
|
|
size_t
|
|
|
extent,
|
|
|
length;
|
|
|
|
|
|
ssize_t
|
|
|
count,
|
|
|
flags,
|
|
|
j,
|
|
|
version,
|
|
|
y;
|
|
|
|
|
|
StringInfo
|
|
|
*profile;
|
|
|
|
|
|
/*
|
|
|
Open image file.
|
|
|
*/
|
|
|
assert(image_info != (const ImageInfo *) NULL);
|
|
|
assert(image_info->signature == MagickCoreSignature);
|
|
|
if (image_info->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
|
|
image_info->filename);
|
|
|
assert(exception != (ExceptionInfo *) NULL);
|
|
|
assert(exception->signature == MagickCoreSignature);
|
|
|
image=AcquireImage(image_info,exception);
|
|
|
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
|
|
|
if (status == MagickFalse)
|
|
|
{
|
|
|
image=DestroyImageList(image);
|
|
|
return((Image *) NULL);
|
|
|
}
|
|
|
/*
|
|
|
Read PICT header.
|
|
|
*/
|
|
|
read_info=(ImageInfo *) NULL;
|
|
|
tile_image=(Image *) NULL;
|
|
|
pixmap.bits_per_pixel=0;
|
|
|
pixmap.component_count=0;
|
|
|
/*
|
|
|
Skip header : 512 for standard PICT and 4, ie "PICT" for OLE2.
|
|
|
*/
|
|
|
header_ole[0]=ReadBlobByte(image);
|
|
|
header_ole[1]=ReadBlobByte(image);
|
|
|
header_ole[2]=ReadBlobByte(image);
|
|
|
header_ole[3]=ReadBlobByte(image);
|
|
|
if (!((header_ole[0] == 0x50) && (header_ole[1] == 0x49) &&
|
|
|
(header_ole[2] == 0x43) && (header_ole[3] == 0x54 )))
|
|
|
for (i=0; i < 508; i++)
|
|
|
if (ReadBlobByte(image) == EOF)
|
|
|
break;
|
|
|
(void) ReadBlobMSBShort(image); /* skip picture size */
|
|
|
if (ReadRectangle(image,&frame) == MagickFalse)
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
while ((c=ReadBlobByte(image)) == 0) ;
|
|
|
if (c != 0x11)
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
version=(ssize_t) ReadBlobByte(image);
|
|
|
if (version == 2)
|
|
|
{
|
|
|
c=ReadBlobByte(image);
|
|
|
if (c != 0xff)
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
}
|
|
|
else
|
|
|
if (version != 1)
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
if ((frame.left < 0) || (frame.right < 0) || (frame.top < 0) ||
|
|
|
(frame.bottom < 0) || (frame.left >= frame.right) ||
|
|
|
(frame.top >= frame.bottom))
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
/*
|
|
|
Create black canvas.
|
|
|
*/
|
|
|
flags=0;
|
|
|
image->depth=8;
|
|
|
image->columns=(size_t) (frame.right-frame.left);
|
|
|
image->rows=(size_t) (frame.bottom-frame.top);
|
|
|
image->resolution.x=DefaultResolution;
|
|
|
image->resolution.y=DefaultResolution;
|
|
|
image->units=UndefinedResolution;
|
|
|
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
|
|
|
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
|
|
|
{
|
|
|
(void) CloseBlob(image);
|
|
|
return(GetFirstImageInList(image));
|
|
|
}
|
|
|
status=SetImageExtent(image,image->columns,image->rows,exception);
|
|
|
if (status != MagickFalse)
|
|
|
status=ResetImagePixels(image,exception);
|
|
|
if (status == MagickFalse)
|
|
|
return(DestroyImageList(image));
|
|
|
/*
|
|
|
Interpret PICT opcodes.
|
|
|
*/
|
|
|
jpeg=MagickFalse;
|
|
|
for (code=0; EOFBlob(image) == MagickFalse; )
|
|
|
{
|
|
|
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
|
|
|
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
|
|
|
break;
|
|
|
if ((version == 1) || ((TellBlob(image) % 2) != 0))
|
|
|
code=ReadBlobByte(image);
|
|
|
if (version == 2)
|
|
|
code=ReadBlobMSBSignedShort(image);
|
|
|
code&=0xffff;
|
|
|
if (code < 0)
|
|
|
break;
|
|
|
if (code == 0)
|
|
|
continue;
|
|
|
if (code > 0xa1)
|
|
|
{
|
|
|
if (image->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(CoderEvent,GetMagickModule(),"%04X:",code);
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
if (image->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
|
|
" %04X %s: %s",code,codes[code].name,codes[code].description);
|
|
|
switch (code)
|
|
|
{
|
|
|
case 0x01:
|
|
|
{
|
|
|
/*
|
|
|
Clipping rectangle.
|
|
|
*/
|
|
|
length=ReadBlobMSBShort(image);
|
|
|
if ((MagickSizeType) length > GetBlobSize(image))
|
|
|
ThrowPICTException(CorruptImageError,
|
|
|
"InsufficientImageDataInFile");
|
|
|
if (length != 0x000a)
|
|
|
{
|
|
|
for (i=0; i < (ssize_t) (length-2); i++)
|
|
|
if (ReadBlobByte(image) == EOF)
|
|
|
break;
|
|
|
break;
|
|
|
}
|
|
|
if (ReadRectangle(image,&frame) == MagickFalse)
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
if (((frame.left & 0x8000) != 0) || ((frame.top & 0x8000) != 0))
|
|
|
break;
|
|
|
image->columns=(size_t) (frame.right-frame.left);
|
|
|
image->rows=(size_t) (frame.bottom-frame.top);
|
|
|
if (image_info->ping != MagickFalse)
|
|
|
break;
|
|
|
status=SetImageExtent(image,image->columns,image->rows,exception);
|
|
|
if (status != MagickFalse)
|
|
|
status=ResetImagePixels(image,exception);
|
|
|
if (status == MagickFalse)
|
|
|
return(DestroyImageList(image));
|
|
|
break;
|
|
|
}
|
|
|
case 0x12:
|
|
|
case 0x13:
|
|
|
case 0x14:
|
|
|
{
|
|
|
ssize_t
|
|
|
pattern;
|
|
|
|
|
|
size_t
|
|
|
height,
|
|
|
width;
|
|
|
|
|
|
/*
|
|
|
Skip pattern definition.
|
|
|
*/
|
|
|
pattern=(ssize_t) ReadBlobMSBShort(image);
|
|
|
for (i=0; i < 8; i++)
|
|
|
if (ReadBlobByte(image) == EOF)
|
|
|
break;
|
|
|
if (pattern == 2)
|
|
|
{
|
|
|
for (i=0; i < 5; i++)
|
|
|
if (ReadBlobByte(image) == EOF)
|
|
|
break;
|
|
|
break;
|
|
|
}
|
|
|
if (pattern != 1)
|
|
|
ThrowPICTException(CorruptImageError,"UnknownPatternType");
|
|
|
length=ReadBlobMSBShort(image);
|
|
|
if ((MagickSizeType) length > GetBlobSize(image))
|
|
|
ThrowPICTException(CorruptImageError,
|
|
|
"InsufficientImageDataInFile");
|
|
|
if (ReadRectangle(image,&frame) == MagickFalse)
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
if (ReadPixmap(image,&pixmap) == MagickFalse)
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
image->depth=(size_t) pixmap.component_size;
|
|
|
image->resolution.x=1.0*pixmap.horizontal_resolution;
|
|
|
image->resolution.y=1.0*pixmap.vertical_resolution;
|
|
|
image->units=PixelsPerInchResolution;
|
|
|
(void) ReadBlobMSBLong(image);
|
|
|
flags=(ssize_t) ReadBlobMSBShort(image);
|
|
|
length=ReadBlobMSBShort(image);
|
|
|
if ((MagickSizeType) length > GetBlobSize(image))
|
|
|
ThrowPICTException(CorruptImageError,
|
|
|
"InsufficientImageDataInFile");
|
|
|
for (i=0; i <= (ssize_t) length; i++)
|
|
|
(void) ReadBlobMSBLong(image);
|
|
|
width=(size_t) (frame.bottom-frame.top);
|
|
|
height=(size_t) (frame.right-frame.left);
|
|
|
if (pixmap.bits_per_pixel <= 8)
|
|
|
length&=0x7fff;
|
|
|
if (pixmap.bits_per_pixel == 16)
|
|
|
width<<=1;
|
|
|
if (length == 0)
|
|
|
length=width;
|
|
|
if (length < 8)
|
|
|
{
|
|
|
for (i=0; i < (ssize_t) (length*height); i++)
|
|
|
if (ReadBlobByte(image) == EOF)
|
|
|
break;
|
|
|
}
|
|
|
else
|
|
|
for (i=0; i < (ssize_t) height; i++)
|
|
|
{
|
|
|
size_t
|
|
|
scanline_length;
|
|
|
|
|
|
if (EOFBlob(image) != MagickFalse)
|
|
|
break;
|
|
|
if (length > 200)
|
|
|
scanline_length=ReadBlobMSBShort(image);
|
|
|
else
|
|
|
scanline_length=ReadBlobByte(image);
|
|
|
if ((MagickSizeType) scanline_length > GetBlobSize(image))
|
|
|
ThrowPICTException(CorruptImageError,
|
|
|
"InsufficientImageDataInFile");
|
|
|
for (j=0; j < (ssize_t) scanline_length; j++)
|
|
|
if (ReadBlobByte(image) == EOF)
|
|
|
break;
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case 0x1b:
|
|
|
{
|
|
|
/*
|
|
|
Initialize image background color.
|
|
|
*/
|
|
|
image->background_color.red=(Quantum)
|
|
|
ScaleShortToQuantum(ReadBlobMSBShort(image));
|
|
|
image->background_color.green=(Quantum)
|
|
|
ScaleShortToQuantum(ReadBlobMSBShort(image));
|
|
|
image->background_color.blue=(Quantum)
|
|
|
ScaleShortToQuantum(ReadBlobMSBShort(image));
|
|
|
break;
|
|
|
}
|
|
|
case 0x70:
|
|
|
case 0x71:
|
|
|
case 0x72:
|
|
|
case 0x73:
|
|
|
case 0x74:
|
|
|
case 0x75:
|
|
|
case 0x76:
|
|
|
case 0x77:
|
|
|
{
|
|
|
/*
|
|
|
Skip polygon or region.
|
|
|
*/
|
|
|
length=ReadBlobMSBShort(image);
|
|
|
if ((MagickSizeType) length > GetBlobSize(image))
|
|
|
ThrowPICTException(CorruptImageError,
|
|
|
"InsufficientImageDataInFile");
|
|
|
for (i=0; i < (ssize_t) (length-2); i++)
|
|
|
if (ReadBlobByte(image) == EOF)
|
|
|
break;
|
|
|
break;
|
|
|
}
|
|
|
case 0x90:
|
|
|
case 0x91:
|
|
|
case 0x98:
|
|
|
case 0x99:
|
|
|
case 0x9a:
|
|
|
case 0x9b:
|
|
|
{
|
|
|
PICTRectangle
|
|
|
source,
|
|
|
destination;
|
|
|
|
|
|
unsigned char
|
|
|
*p;
|
|
|
|
|
|
size_t
|
|
|
j;
|
|
|
|
|
|
ssize_t
|
|
|
bytes_per_line;
|
|
|
|
|
|
unsigned char
|
|
|
*pixels;
|
|
|
|
|
|
/*
|
|
|
Pixmap clipped by a rectangle.
|
|
|
*/
|
|
|
bytes_per_line=0;
|
|
|
if ((code != 0x9a) && (code != 0x9b))
|
|
|
bytes_per_line=(ssize_t) ReadBlobMSBShort(image);
|
|
|
else
|
|
|
{
|
|
|
(void) ReadBlobMSBShort(image);
|
|
|
(void) ReadBlobMSBShort(image);
|
|
|
(void) ReadBlobMSBShort(image);
|
|
|
}
|
|
|
if (ReadRectangle(image,&frame) == MagickFalse)
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
/*
|
|
|
Initialize tile image.
|
|
|
*/
|
|
|
tile_image=CloneImage(image,(size_t) (frame.right-frame.left),
|
|
|
(size_t) (frame.bottom-frame.top),MagickTrue,exception);
|
|
|
if (tile_image == (Image *) NULL)
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
status=ResetImagePixels(tile_image,exception);
|
|
|
if ((code == 0x9a) || (code == 0x9b) ||
|
|
|
((bytes_per_line & 0x8000) != 0))
|
|
|
{
|
|
|
if (ReadPixmap(image,&pixmap) == MagickFalse)
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
tile_image->depth=(size_t) pixmap.component_size;
|
|
|
tile_image->alpha_trait=pixmap.component_count == 4 ?
|
|
|
BlendPixelTrait : UndefinedPixelTrait;
|
|
|
tile_image->resolution.x=(double) pixmap.horizontal_resolution;
|
|
|
tile_image->resolution.y=(double) pixmap.vertical_resolution;
|
|
|
tile_image->units=PixelsPerInchResolution;
|
|
|
if (tile_image->alpha_trait != UndefinedPixelTrait)
|
|
|
(void) SetImageAlpha(tile_image,OpaqueAlpha,exception);
|
|
|
}
|
|
|
if ((code != 0x9a) && (code != 0x9b))
|
|
|
{
|
|
|
/*
|
|
|
Initialize colormap.
|
|
|
*/
|
|
|
tile_image->colors=2;
|
|
|
if ((bytes_per_line & 0x8000) != 0)
|
|
|
{
|
|
|
(void) ReadBlobMSBLong(image);
|
|
|
flags=(ssize_t) ReadBlobMSBShort(image);
|
|
|
tile_image->colors=1UL*ReadBlobMSBShort(image)+1;
|
|
|
}
|
|
|
status=AcquireImageColormap(tile_image,tile_image->colors,
|
|
|
exception);
|
|
|
if (status == MagickFalse)
|
|
|
ThrowPICTException(ResourceLimitError,
|
|
|
"MemoryAllocationFailed");
|
|
|
if ((bytes_per_line & 0x8000) != 0)
|
|
|
{
|
|
|
for (i=0; i < (ssize_t) tile_image->colors; i++)
|
|
|
{
|
|
|
j=ReadBlobMSBShort(image) % tile_image->colors;
|
|
|
if ((flags & 0x8000) != 0)
|
|
|
j=(size_t) i;
|
|
|
tile_image->colormap[j].red=(Quantum)
|
|
|
ScaleShortToQuantum(ReadBlobMSBShort(image));
|
|
|
tile_image->colormap[j].green=(Quantum)
|
|
|
ScaleShortToQuantum(ReadBlobMSBShort(image));
|
|
|
tile_image->colormap[j].blue=(Quantum)
|
|
|
ScaleShortToQuantum(ReadBlobMSBShort(image));
|
|
|
}
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
for (i=0; i < (ssize_t) tile_image->colors; i++)
|
|
|
{
|
|
|
tile_image->colormap[i].red=(Quantum) (QuantumRange-
|
|
|
tile_image->colormap[i].red);
|
|
|
tile_image->colormap[i].green=(Quantum) (QuantumRange-
|
|
|
tile_image->colormap[i].green);
|
|
|
tile_image->colormap[i].blue=(Quantum) (QuantumRange-
|
|
|
tile_image->colormap[i].blue);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
if (EOFBlob(image) != MagickFalse)
|
|
|
ThrowPICTException(CorruptImageError,
|
|
|
"InsufficientImageDataInFile");
|
|
|
if (ReadRectangle(image,&source) == MagickFalse)
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
if (ReadRectangle(image,&destination) == MagickFalse)
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
(void) ReadBlobMSBShort(image);
|
|
|
if ((code == 0x91) || (code == 0x99) || (code == 0x9b))
|
|
|
{
|
|
|
/*
|
|
|
Skip region.
|
|
|
*/
|
|
|
length=ReadBlobMSBShort(image);
|
|
|
if ((MagickSizeType) length > GetBlobSize(image))
|
|
|
ThrowPICTException(CorruptImageError,
|
|
|
"InsufficientImageDataInFile");
|
|
|
for (i=0; i < (ssize_t) (length-2); i++)
|
|
|
if (ReadBlobByte(image) == EOF)
|
|
|
break;
|
|
|
}
|
|
|
if ((code != 0x9a) && (code != 0x9b) &&
|
|
|
(bytes_per_line & 0x8000) == 0)
|
|
|
pixels=DecodeImage(image,tile_image,(size_t) bytes_per_line,1,
|
|
|
&extent);
|
|
|
else
|
|
|
pixels=DecodeImage(image,tile_image,(size_t) bytes_per_line,
|
|
|
(unsigned int) pixmap.bits_per_pixel,&extent);
|
|
|
if (pixels == (unsigned char *) NULL)
|
|
|
ThrowPICTException(CorruptImageError,"UnableToUncompressImage");
|
|
|
/*
|
|
|
Convert PICT tile image to pixel packets.
|
|
|
*/
|
|
|
p=pixels;
|
|
|
for (y=0; y < (ssize_t) tile_image->rows; y++)
|
|
|
{
|
|
|
if (p > (pixels+extent+image->columns))
|
|
|
{
|
|
|
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
|
|
ThrowPICTException(CorruptImageError,"NotEnoughPixelData");
|
|
|
}
|
|
|
q=QueueAuthenticPixels(tile_image,0,y,tile_image->columns,1,
|
|
|
exception);
|
|
|
if (q == (Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) tile_image->columns; x++)
|
|
|
{
|
|
|
if (tile_image->storage_class == PseudoClass)
|
|
|
{
|
|
|
index=(Quantum) ConstrainColormapIndex(tile_image,(ssize_t)
|
|
|
*p,exception);
|
|
|
SetPixelIndex(tile_image,index,q);
|
|
|
SetPixelRed(tile_image,
|
|
|
tile_image->colormap[(ssize_t) index].red,q);
|
|
|
SetPixelGreen(tile_image,
|
|
|
tile_image->colormap[(ssize_t) index].green,q);
|
|
|
SetPixelBlue(tile_image,
|
|
|
tile_image->colormap[(ssize_t) index].blue,q);
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
if (pixmap.bits_per_pixel == 16)
|
|
|
{
|
|
|
i=(ssize_t) (*p++);
|
|
|
j=(size_t) (*p);
|
|
|
SetPixelRed(tile_image,ScaleCharToQuantum(
|
|
|
(unsigned char) ((i & 0x7c) << 1)),q);
|
|
|
SetPixelGreen(tile_image,ScaleCharToQuantum(
|
|
|
(unsigned char) (((i & 0x03) << 6) |
|
|
|
((j & 0xe0) >> 2))),q);
|
|
|
SetPixelBlue(tile_image,ScaleCharToQuantum(
|
|
|
(unsigned char) ((j & 0x1f) << 3)),q);
|
|
|
}
|
|
|
else
|
|
|
if (tile_image->alpha_trait == UndefinedPixelTrait)
|
|
|
{
|
|
|
if (p > (pixels+extent+2*image->columns))
|
|
|
ThrowPICTException(CorruptImageError,
|
|
|
"NotEnoughPixelData");
|
|
|
SetPixelRed(tile_image,ScaleCharToQuantum(*p),q);
|
|
|
SetPixelGreen(tile_image,ScaleCharToQuantum(
|
|
|
*(p+tile_image->columns)),q);
|
|
|
SetPixelBlue(tile_image,ScaleCharToQuantum(
|
|
|
*(p+2*tile_image->columns)),q);
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
if (p > (pixels+extent+3*image->columns))
|
|
|
ThrowPICTException(CorruptImageError,
|
|
|
"NotEnoughPixelData");
|
|
|
SetPixelAlpha(tile_image,ScaleCharToQuantum(*p),q);
|
|
|
SetPixelRed(tile_image,ScaleCharToQuantum(
|
|
|
*(p+tile_image->columns)),q);
|
|
|
SetPixelGreen(tile_image,ScaleCharToQuantum(
|
|
|
*(p+2*tile_image->columns)),q);
|
|
|
SetPixelBlue(tile_image,ScaleCharToQuantum(
|
|
|
*(p+3*tile_image->columns)),q);
|
|
|
}
|
|
|
}
|
|
|
p++;
|
|
|
q+=GetPixelChannels(tile_image);
|
|
|
}
|
|
|
if (SyncAuthenticPixels(tile_image,exception) == MagickFalse)
|
|
|
break;
|
|
|
if ((tile_image->storage_class == DirectClass) &&
|
|
|
(pixmap.bits_per_pixel != 16))
|
|
|
{
|
|
|
p+=(pixmap.component_count-1)*tile_image->columns;
|
|
|
if (p < pixels)
|
|
|
break;
|
|
|
}
|
|
|
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
|
|
|
tile_image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
|
|
if ((jpeg == MagickFalse) && (EOFBlob(image) == MagickFalse))
|
|
|
if ((code == 0x9a) || (code == 0x9b) ||
|
|
|
((bytes_per_line & 0x8000) != 0))
|
|
|
(void) CompositeImage(image,tile_image,CopyCompositeOp,
|
|
|
MagickTrue,(ssize_t) destination.left,(ssize_t)
|
|
|
destination.top,exception);
|
|
|
tile_image=DestroyImage(tile_image);
|
|
|
break;
|
|
|
}
|
|
|
case 0xa1:
|
|
|
{
|
|
|
unsigned char
|
|
|
*info;
|
|
|
|
|
|
size_t
|
|
|
type;
|
|
|
|
|
|
/*
|
|
|
Comment.
|
|
|
*/
|
|
|
type=ReadBlobMSBShort(image);
|
|
|
length=ReadBlobMSBShort(image);
|
|
|
if ((MagickSizeType) length > GetBlobSize(image))
|
|
|
ThrowPICTException(CorruptImageError,
|
|
|
"InsufficientImageDataInFile");
|
|
|
if (length == 0)
|
|
|
break;
|
|
|
(void) ReadBlobMSBLong(image);
|
|
|
length-=MagickMin(length,4);
|
|
|
if (length == 0)
|
|
|
break;
|
|
|
info=(unsigned char *) AcquireQuantumMemory(length,sizeof(*info));
|
|
|
if (info == (unsigned char *) NULL)
|
|
|
break;
|
|
|
count=ReadBlob(image,length,info);
|
|
|
if (count != (ssize_t) length)
|
|
|
{
|
|
|
info=(unsigned char *) RelinquishMagickMemory(info);
|
|
|
ThrowPICTException(ResourceLimitError,"UnableToReadImageData");
|
|
|
}
|
|
|
switch (type)
|
|
|
{
|
|
|
case 0xe0:
|
|
|
{
|
|
|
profile=BlobToStringInfo((const void *) NULL,length);
|
|
|
SetStringInfoDatum(profile,info);
|
|
|
status=SetImageProfile(image,"icc",profile,exception);
|
|
|
profile=DestroyStringInfo(profile);
|
|
|
if (status == MagickFalse)
|
|
|
{
|
|
|
info=(unsigned char *) RelinquishMagickMemory(info);
|
|
|
ThrowPICTException(ResourceLimitError,
|
|
|
"MemoryAllocationFailed");
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case 0x1f2:
|
|
|
{
|
|
|
profile=BlobToStringInfo((const void *) NULL,length);
|
|
|
SetStringInfoDatum(profile,info);
|
|
|
status=SetImageProfile(image,"iptc",profile,exception);
|
|
|
if (status == MagickFalse)
|
|
|
{
|
|
|
info=(unsigned char *) RelinquishMagickMemory(info);
|
|
|
ThrowPICTException(ResourceLimitError,
|
|
|
"MemoryAllocationFailed");
|
|
|
}
|
|
|
profile=DestroyStringInfo(profile);
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
info=(unsigned char *) RelinquishMagickMemory(info);
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
{
|
|
|
/*
|
|
|
Skip to next op code.
|
|
|
*/
|
|
|
if (codes[code].length == -1)
|
|
|
(void) ReadBlobMSBShort(image);
|
|
|
else
|
|
|
for (i=0; i < (ssize_t) codes[code].length; i++)
|
|
|
if (ReadBlobByte(image) == EOF)
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
if (code == 0xc00)
|
|
|
{
|
|
|
/*
|
|
|
Skip header.
|
|
|
*/
|
|
|
for (i=0; i < 24; i++)
|
|
|
if (ReadBlobByte(image) == EOF)
|
|
|
break;
|
|
|
continue;
|
|
|
}
|
|
|
if (((code >= 0xb0) && (code <= 0xcf)) ||
|
|
|
((code >= 0x8000) && (code <= 0x80ff)))
|
|
|
continue;
|
|
|
if (code == 0x8200)
|
|
|
{
|
|
|
/*
|
|
|
Embedded JPEG.
|
|
|
*/
|
|
|
jpeg=MagickTrue;
|
|
|
length=ReadBlobMSBLong(image);
|
|
|
if ((MagickSizeType) length > GetBlobSize(image))
|
|
|
ThrowPICTException(CorruptImageError,"InsufficientImageDataInFile");
|
|
|
if (length > 154)
|
|
|
{
|
|
|
const void
|
|
|
*stream;
|
|
|
|
|
|
ssize_t
|
|
|
count;
|
|
|
|
|
|
unsigned char
|
|
|
*pixels;
|
|
|
|
|
|
for (i=0; i < 6; i++)
|
|
|
(void) ReadBlobMSBLong(image);
|
|
|
if (ReadRectangle(image,&frame) == MagickFalse)
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
for (i=0; i < 122; i++)
|
|
|
if (ReadBlobByte(image) == EOF)
|
|
|
break;
|
|
|
length-=154;
|
|
|
pixels=(unsigned char *) AcquireQuantumMemory(length,
|
|
|
sizeof(*pixels));
|
|
|
if (pixels == (unsigned char *) NULL)
|
|
|
ThrowPICTException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
stream=ReadBlobStream(image,length,pixels,&count);
|
|
|
if (count != (ssize_t) length)
|
|
|
{
|
|
|
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
|
|
ThrowPICTException(CorruptImageError,"ImproperImageHeader");
|
|
|
}
|
|
|
read_info=AcquireImageInfo();
|
|
|
(void) FormatLocaleString(read_info->filename,MagickPathExtent,
|
|
|
"jpeg:%s",image_info->filename);
|
|
|
tile_image=BlobToImage(read_info,stream,count,exception);
|
|
|
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
|
|
read_info=DestroyImageInfo(read_info);
|
|
|
}
|
|
|
if (tile_image == (Image *) NULL)
|
|
|
continue;
|
|
|
(void) FormatLocaleString(geometry,MagickPathExtent,"%.20gx%.20g",
|
|
|
(double) MagickMax(image->columns,tile_image->columns),
|
|
|
(double) MagickMax(image->rows,tile_image->rows));
|
|
|
(void) SetImageExtent(image,
|
|
|
MagickMax(image->columns,tile_image->columns),
|
|
|
MagickMax(image->rows,tile_image->rows),exception);
|
|
|
(void) TransformImageColorspace(image,tile_image->colorspace,exception);
|
|
|
(void) CompositeImage(image,tile_image,CopyCompositeOp,MagickTrue,
|
|
|
(ssize_t) frame.left,(ssize_t) frame.right,exception);
|
|
|
image->compression=tile_image->compression;
|
|
|
tile_image=DestroyImage(tile_image);
|
|
|
continue;
|
|
|
}
|
|
|
if ((code == 0xff) || (code == 0xffff))
|
|
|
break;
|
|
|
if (((code >= 0xd0) && (code <= 0xfe)) ||
|
|
|
((code >= 0x8100) && (code <= 0xffff)))
|
|
|
{
|
|
|
/*
|
|
|
Skip reserved.
|
|
|
*/
|
|
|
length=ReadBlobMSBShort(image);
|
|
|
if ((MagickSizeType) length > GetBlobSize(image))
|
|
|
ThrowPICTException(CorruptImageError,
|
|
|
"InsufficientImageDataInFile");
|
|
|
for (i=0; i < (ssize_t) length; i++)
|
|
|
if (ReadBlobByte(image) == EOF)
|
|
|
break;
|
|
|
continue;
|
|
|
}
|
|
|
if ((code >= 0x100) && (code <= 0x7fff))
|
|
|
{
|
|
|
/*
|
|
|
Skip reserved.
|
|
|
*/
|
|
|
length=(size_t) ((code >> 7) & 0xff);
|
|
|
if ((MagickSizeType) length > GetBlobSize(image))
|
|
|
ThrowPICTException(CorruptImageError,
|
|
|
"InsufficientImageDataInFile");
|
|
|
for (i=0; i < (ssize_t) length; i++)
|
|
|
if (ReadBlobByte(image) == EOF)
|
|
|
break;
|
|
|
continue;
|
|
|
}
|
|
|
}
|
|
|
(void) CloseBlob(image);
|
|
|
return(GetFirstImageInList(image));
|
|
|
}
|
|
|
#endif
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e g i s t e r P I C T I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% RegisterPICTImage() adds attributes for the PICT image format to
|
|
|
% the list of supported formats. The attributes include the image format
|
|
|
% tag, a method to read and/or write the format, whether the format
|
|
|
% supports the saving of more than one frame to the same file or blob,
|
|
|
% whether the format supports native in-memory I/O, and a brief
|
|
|
% description of the format.
|
|
|
%
|
|
|
% The format of the RegisterPICTImage method is:
|
|
|
%
|
|
|
% size_t RegisterPICTImage(void)
|
|
|
%
|
|
|
*/
|
|
|
ModuleExport size_t RegisterPICTImage(void)
|
|
|
{
|
|
|
MagickInfo
|
|
|
*entry;
|
|
|
|
|
|
entry=AcquireMagickInfo("PICT","PCT","Apple Macintosh QuickDraw/PICT");
|
|
|
entry->decoder=(DecodeImageHandler *) ReadPICTImage;
|
|
|
entry->encoder=(EncodeImageHandler *) WritePICTImage;
|
|
|
entry->flags^=CoderAdjoinFlag;
|
|
|
entry->flags|=CoderEncoderSeekableStreamFlag;
|
|
|
entry->magick=(IsImageFormatHandler *) IsPICT;
|
|
|
(void) RegisterMagickInfo(entry);
|
|
|
entry=AcquireMagickInfo("PICT","PICT","Apple Macintosh QuickDraw/PICT");
|
|
|
entry->decoder=(DecodeImageHandler *) ReadPICTImage;
|
|
|
entry->encoder=(EncodeImageHandler *) WritePICTImage;
|
|
|
entry->flags^=CoderAdjoinFlag;
|
|
|
entry->flags|=CoderEncoderSeekableStreamFlag;
|
|
|
entry->magick=(IsImageFormatHandler *) IsPICT;
|
|
|
(void) RegisterMagickInfo(entry);
|
|
|
return(MagickImageCoderSignature);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% U n r e g i s t e r P I C T I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% UnregisterPICTImage() removes format registrations made by the
|
|
|
% PICT module from the list of supported formats.
|
|
|
%
|
|
|
% The format of the UnregisterPICTImage method is:
|
|
|
%
|
|
|
% UnregisterPICTImage(void)
|
|
|
%
|
|
|
*/
|
|
|
ModuleExport void UnregisterPICTImage(void)
|
|
|
{
|
|
|
(void) UnregisterMagickInfo("PCT");
|
|
|
(void) UnregisterMagickInfo("PICT");
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% W r i t e P I C T I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% WritePICTImage() writes an image to a file in the Apple Macintosh
|
|
|
% QuickDraw/PICT image format.
|
|
|
%
|
|
|
% The format of the WritePICTImage method is:
|
|
|
%
|
|
|
% MagickBooleanType WritePICTImage(const ImageInfo *image_info,
|
|
|
% Image *image,ExceptionInfo *exception)
|
|
|
%
|
|
|
% A description of each parameter follows.
|
|
|
%
|
|
|
% o image_info: the image info.
|
|
|
%
|
|
|
% o image: The image.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
*/
|
|
|
static MagickBooleanType WritePICTImage(const ImageInfo *image_info,
|
|
|
Image *image,ExceptionInfo *exception)
|
|
|
{
|
|
|
#define MaxCount 128
|
|
|
#define PictCropRegionOp 0x01
|
|
|
#define PictEndOfPictureOp 0xff
|
|
|
#define PictJPEGOp 0x8200
|
|
|
#define PictInfoOp 0x0C00
|
|
|
#define PictInfoSize 512
|
|
|
#define PictPixmapOp 0x9A
|
|
|
#define PictPICTOp 0x98
|
|
|
#define PictVersion 0x11
|
|
|
|
|
|
const StringInfo
|
|
|
*profile;
|
|
|
|
|
|
double
|
|
|
x_resolution,
|
|
|
y_resolution;
|
|
|
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
MagickOffsetType
|
|
|
offset;
|
|
|
|
|
|
PICTPixmap
|
|
|
pixmap;
|
|
|
|
|
|
PICTRectangle
|
|
|
bounds,
|
|
|
crop_rectangle,
|
|
|
destination_rectangle,
|
|
|
frame_rectangle,
|
|
|
size_rectangle,
|
|
|
source_rectangle;
|
|
|
|
|
|
const Quantum
|
|
|
*p;
|
|
|
|
|
|
ssize_t
|
|
|
i,
|
|
|
x;
|
|
|
|
|
|
size_t
|
|
|
bytes_per_line,
|
|
|
count,
|
|
|
row_bytes,
|
|
|
storage_class;
|
|
|
|
|
|
ssize_t
|
|
|
y;
|
|
|
|
|
|
unsigned char
|
|
|
*buffer,
|
|
|
*packed_scanline,
|
|
|
*scanline;
|
|
|
|
|
|
unsigned short
|
|
|
base_address,
|
|
|
transfer_mode;
|
|
|
|
|
|
/*
|
|
|
Open output image file.
|
|
|
*/
|
|
|
assert(image_info != (const ImageInfo *) NULL);
|
|
|
assert(image_info->signature == MagickCoreSignature);
|
|
|
assert(image != (Image *) NULL);
|
|
|
assert(image->signature == MagickCoreSignature);
|
|
|
if (image->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
|
|
if ((image->columns > 65535L) || (image->rows > 65535L))
|
|
|
ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
|
|
|
assert(exception != (ExceptionInfo *) NULL);
|
|
|
assert(exception->signature == MagickCoreSignature);
|
|
|
status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
|
|
|
if (status == MagickFalse)
|
|
|
return(status);
|
|
|
(void) TransformImageColorspace(image,sRGBColorspace,exception);
|
|
|
/*
|
|
|
Initialize image info.
|
|
|
*/
|
|
|
size_rectangle.top=0;
|
|
|
size_rectangle.left=0;
|
|
|
size_rectangle.bottom=(short) image->rows;
|
|
|
size_rectangle.right=(short) image->columns;
|
|
|
frame_rectangle=size_rectangle;
|
|
|
crop_rectangle=size_rectangle;
|
|
|
source_rectangle=size_rectangle;
|
|
|
destination_rectangle=size_rectangle;
|
|
|
base_address=0xff;
|
|
|
row_bytes=image->columns;
|
|
|
bounds.top=0;
|
|
|
bounds.left=0;
|
|
|
bounds.bottom=(short) image->rows;
|
|
|
bounds.right=(short) image->columns;
|
|
|
pixmap.version=0;
|
|
|
pixmap.pack_type=0;
|
|
|
pixmap.pack_size=0;
|
|
|
pixmap.pixel_type=0;
|
|
|
pixmap.bits_per_pixel=8;
|
|
|
pixmap.component_count=1;
|
|
|
pixmap.component_size=8;
|
|
|
pixmap.plane_bytes=0;
|
|
|
pixmap.table=0;
|
|
|
pixmap.reserved=0;
|
|
|
transfer_mode=0;
|
|
|
x_resolution=0.0;
|
|
|
y_resolution=0.0;
|
|
|
if ((image->resolution.x > MagickEpsilon) &&
|
|
|
(image->resolution.y > MagickEpsilon))
|
|
|
{
|
|
|
x_resolution=image->resolution.x;
|
|
|
y_resolution=image->resolution.y;
|
|
|
if (image->units == PixelsPerCentimeterResolution)
|
|
|
{
|
|
|
x_resolution*=2.54;
|
|
|
y_resolution*=2.54;
|
|
|
}
|
|
|
}
|
|
|
storage_class=image->storage_class;
|
|
|
if (image_info->compression == JPEGCompression)
|
|
|
storage_class=DirectClass;
|
|
|
if (storage_class == DirectClass)
|
|
|
{
|
|
|
pixmap.component_count=image->alpha_trait != UndefinedPixelTrait ? 4 : 3;
|
|
|
pixmap.pixel_type=16;
|
|
|
pixmap.bits_per_pixel=32;
|
|
|
pixmap.pack_type=0x04;
|
|
|
transfer_mode=0x40;
|
|
|
row_bytes=4*image->columns;
|
|
|
}
|
|
|
/*
|
|
|
Allocate memory.
|
|
|
*/
|
|
|
bytes_per_line=image->columns;
|
|
|
if (storage_class == DirectClass)
|
|
|
bytes_per_line*=image->alpha_trait != UndefinedPixelTrait ? 4 : 3;
|
|
|
if ((bytes_per_line == 0) || (bytes_per_line > 0x7FFFU) ||
|
|
|
((row_bytes+MaxCount*2U) >= 0x7FFFU))
|
|
|
ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
|
|
|
buffer=(unsigned char *) AcquireQuantumMemory(PictInfoSize,sizeof(*buffer));
|
|
|
packed_scanline=(unsigned char *) AcquireQuantumMemory((size_t)
|
|
|
(row_bytes+2*MaxCount),sizeof(*packed_scanline));
|
|
|
scanline=(unsigned char *) AcquireQuantumMemory(row_bytes,sizeof(*scanline));
|
|
|
if ((buffer == (unsigned char *) NULL) ||
|
|
|
(packed_scanline == (unsigned char *) NULL) ||
|
|
|
(scanline == (unsigned char *) NULL))
|
|
|
{
|
|
|
if (scanline != (unsigned char *) NULL)
|
|
|
scanline=(unsigned char *) RelinquishMagickMemory(scanline);
|
|
|
if (packed_scanline != (unsigned char *) NULL)
|
|
|
packed_scanline=(unsigned char *) RelinquishMagickMemory(
|
|
|
packed_scanline);
|
|
|
if (buffer != (unsigned char *) NULL)
|
|
|
buffer=(unsigned char *) RelinquishMagickMemory(buffer);
|
|
|
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
}
|
|
|
(void) memset(scanline,0,row_bytes);
|
|
|
(void) memset(packed_scanline,0,(size_t) (row_bytes+2*MaxCount)*
|
|
|
sizeof(*packed_scanline));
|
|
|
/*
|
|
|
Write header, header size, size bounding box, version, and reserved.
|
|
|
*/
|
|
|
(void) memset(buffer,0,PictInfoSize);
|
|
|
(void) WriteBlob(image,PictInfoSize,buffer);
|
|
|
(void) WriteBlobMSBShort(image,0);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.top);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.left);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.bottom);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.right);
|
|
|
(void) WriteBlobMSBShort(image,PictVersion);
|
|
|
(void) WriteBlobMSBShort(image,0x02ff); /* version #2 */
|
|
|
(void) WriteBlobMSBShort(image,PictInfoOp);
|
|
|
(void) WriteBlobMSBLong(image,0xFFFE0000U);
|
|
|
/*
|
|
|
Write full size of the file, resolution, frame bounding box, and reserved.
|
|
|
*/
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
|
|
|
(void) WriteBlobMSBShort(image,0x0000);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
|
|
|
(void) WriteBlobMSBShort(image,0x0000);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.top);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.left);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.bottom);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.right);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000L);
|
|
|
profile=GetImageProfile(image,"iptc");
|
|
|
if (profile != (StringInfo *) NULL)
|
|
|
{
|
|
|
(void) WriteBlobMSBShort(image,0xa1);
|
|
|
(void) WriteBlobMSBShort(image,0x1f2);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short)
|
|
|
(GetStringInfoLength(profile)+4));
|
|
|
(void) WriteBlobString(image,"8BIM");
|
|
|
(void) WriteBlob(image,GetStringInfoLength(profile),
|
|
|
GetStringInfoDatum(profile));
|
|
|
}
|
|
|
profile=GetImageProfile(image,"icc");
|
|
|
if (profile != (StringInfo *) NULL)
|
|
|
{
|
|
|
(void) WriteBlobMSBShort(image,0xa1);
|
|
|
(void) WriteBlobMSBShort(image,0xe0);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short)
|
|
|
(GetStringInfoLength(profile)+4));
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlob(image,GetStringInfoLength(profile),
|
|
|
GetStringInfoDatum(profile));
|
|
|
(void) WriteBlobMSBShort(image,0xa1);
|
|
|
(void) WriteBlobMSBShort(image,0xe0);
|
|
|
(void) WriteBlobMSBShort(image,4);
|
|
|
(void) WriteBlobMSBLong(image,0x00000002U);
|
|
|
}
|
|
|
/*
|
|
|
Write crop region opcode and crop bounding box.
|
|
|
*/
|
|
|
(void) WriteBlobMSBShort(image,PictCropRegionOp);
|
|
|
(void) WriteBlobMSBShort(image,0xa);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.top);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.left);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.bottom);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.right);
|
|
|
if (image_info->compression == JPEGCompression)
|
|
|
{
|
|
|
Image
|
|
|
*jpeg_image;
|
|
|
|
|
|
ImageInfo
|
|
|
*jpeg_info;
|
|
|
|
|
|
size_t
|
|
|
length;
|
|
|
|
|
|
unsigned char
|
|
|
*blob;
|
|
|
|
|
|
jpeg_image=CloneImage(image,0,0,MagickTrue,exception);
|
|
|
if (jpeg_image == (Image *) NULL)
|
|
|
{
|
|
|
(void) CloseBlob(image);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
jpeg_info=CloneImageInfo(image_info);
|
|
|
(void) CopyMagickString(jpeg_info->magick,"JPEG",MagickPathExtent);
|
|
|
length=0;
|
|
|
blob=(unsigned char *) ImageToBlob(jpeg_info,jpeg_image,&length,
|
|
|
exception);
|
|
|
jpeg_info=DestroyImageInfo(jpeg_info);
|
|
|
if (blob == (unsigned char *) NULL)
|
|
|
return(MagickFalse);
|
|
|
jpeg_image=DestroyImage(jpeg_image);
|
|
|
(void) WriteBlobMSBShort(image,PictJPEGOp);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) length+154);
|
|
|
(void) WriteBlobMSBShort(image,0x0000);
|
|
|
(void) WriteBlobMSBLong(image,0x00010000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00010000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x40000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00400000U);
|
|
|
(void) WriteBlobMSBShort(image,0x0000);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) image->rows);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) image->columns);
|
|
|
(void) WriteBlobMSBShort(image,0x0000);
|
|
|
(void) WriteBlobMSBShort(image,768);
|
|
|
(void) WriteBlobMSBShort(image,0x0000);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00566A70U);
|
|
|
(void) WriteBlobMSBLong(image,0x65670000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000001U);
|
|
|
(void) WriteBlobMSBLong(image,0x00016170U);
|
|
|
(void) WriteBlobMSBLong(image,0x706C0000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBShort(image,768);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) image->columns);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) image->rows);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
|
|
|
(void) WriteBlobMSBShort(image,0x0000);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
|
|
|
(void) WriteBlobMSBShort(image,0x0000);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) length);
|
|
|
(void) WriteBlobMSBShort(image,0x0001);
|
|
|
(void) WriteBlobMSBLong(image,0x0B466F74U);
|
|
|
(void) WriteBlobMSBLong(image,0x6F202D20U);
|
|
|
(void) WriteBlobMSBLong(image,0x4A504547U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x00000000U);
|
|
|
(void) WriteBlobMSBLong(image,0x0018FFFFU);
|
|
|
(void) WriteBlob(image,length,blob);
|
|
|
if ((length & 0x01) != 0)
|
|
|
(void) WriteBlobByte(image,'\0');
|
|
|
blob=(unsigned char *) RelinquishMagickMemory(blob);
|
|
|
}
|
|
|
/*
|
|
|
Write picture opcode, row bytes, and picture bounding box, and version.
|
|
|
*/
|
|
|
if (storage_class == PseudoClass)
|
|
|
(void) WriteBlobMSBShort(image,PictPICTOp);
|
|
|
else
|
|
|
{
|
|
|
(void) WriteBlobMSBShort(image,PictPixmapOp);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) base_address);
|
|
|
}
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) (row_bytes | 0x8000));
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) bounds.top);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) bounds.left);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) bounds.bottom);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) bounds.right);
|
|
|
/*
|
|
|
Write pack type, pack size, resolution, pixel type, and pixel size.
|
|
|
*/
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) pixmap.version);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) pixmap.pack_type);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) pixmap.pack_size);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) (x_resolution+0.5));
|
|
|
(void) WriteBlobMSBShort(image,0x0000);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) (y_resolution+0.5));
|
|
|
(void) WriteBlobMSBShort(image,0x0000);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) pixmap.pixel_type);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) pixmap.bits_per_pixel);
|
|
|
/*
|
|
|
Write component count, size, plane bytes, table size, and reserved.
|
|
|
*/
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) pixmap.component_count);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) pixmap.component_size);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) pixmap.plane_bytes);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) pixmap.table);
|
|
|
(void) WriteBlobMSBLong(image,(unsigned int) pixmap.reserved);
|
|
|
if (storage_class == PseudoClass)
|
|
|
{
|
|
|
/*
|
|
|
Write image colormap.
|
|
|
*/
|
|
|
(void) WriteBlobMSBLong(image,0x00000000L); /* color seed */
|
|
|
(void) WriteBlobMSBShort(image,0L); /* color flags */
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) (image->colors-1));
|
|
|
for (i=0; i < (ssize_t) image->colors; i++)
|
|
|
{
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) i);
|
|
|
(void) WriteBlobMSBShort(image,ScaleQuantumToShort(
|
|
|
image->colormap[i].red));
|
|
|
(void) WriteBlobMSBShort(image,ScaleQuantumToShort(
|
|
|
image->colormap[i].green));
|
|
|
(void) WriteBlobMSBShort(image,ScaleQuantumToShort(
|
|
|
image->colormap[i].blue));
|
|
|
}
|
|
|
}
|
|
|
/*
|
|
|
Write source and destination rectangle.
|
|
|
*/
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.top);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.left);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.bottom);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.right);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.top);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.left);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.bottom);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.right);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) transfer_mode);
|
|
|
/*
|
|
|
Write picture data.
|
|
|
*/
|
|
|
count=0;
|
|
|
if (storage_class == PseudoClass)
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) image->columns; x++)
|
|
|
{
|
|
|
scanline[x]=(unsigned char) ((ssize_t) GetPixelIndex(image,p));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
count+=EncodeImage(image,scanline,(size_t) (row_bytes & 0x7FFF),
|
|
|
packed_scanline);
|
|
|
if (image->previous == (Image *) NULL)
|
|
|
{
|
|
|
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
|
|
|
image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
else
|
|
|
if (image_info->compression == JPEGCompression)
|
|
|
{
|
|
|
(void) memset(scanline,0,row_bytes);
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
count+=EncodeImage(image,scanline,(size_t) (row_bytes & 0x7FFF),
|
|
|
packed_scanline);
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
unsigned char
|
|
|
*blue,
|
|
|
*green,
|
|
|
*opacity,
|
|
|
*red;
|
|
|
|
|
|
red=scanline;
|
|
|
green=scanline+image->columns;
|
|
|
blue=scanline+2*image->columns;
|
|
|
opacity=scanline+3*image->columns;
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
red=scanline;
|
|
|
green=scanline+image->columns;
|
|
|
blue=scanline+2*image->columns;
|
|
|
if (image->alpha_trait != UndefinedPixelTrait)
|
|
|
{
|
|
|
opacity=scanline;
|
|
|
red=scanline+image->columns;
|
|
|
green=scanline+2*image->columns;
|
|
|
blue=scanline+3*image->columns;
|
|
|
}
|
|
|
for (x=0; x < (ssize_t) image->columns; x++)
|
|
|
{
|
|
|
*red++=ScaleQuantumToChar(GetPixelRed(image,p));
|
|
|
*green++=ScaleQuantumToChar(GetPixelGreen(image,p));
|
|
|
*blue++=ScaleQuantumToChar(GetPixelBlue(image,p));
|
|
|
if (image->alpha_trait != UndefinedPixelTrait)
|
|
|
*opacity++=ScaleQuantumToChar((Quantum) (GetPixelAlpha(image,p)));
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
count+=EncodeImage(image,scanline,bytes_per_line,packed_scanline);
|
|
|
if (image->previous == (Image *) NULL)
|
|
|
{
|
|
|
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
|
|
|
image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
if ((count & 0x01) != 0)
|
|
|
(void) WriteBlobByte(image,'\0');
|
|
|
(void) WriteBlobMSBShort(image,PictEndOfPictureOp);
|
|
|
offset=TellBlob(image);
|
|
|
offset=SeekBlob(image,512,SEEK_SET);
|
|
|
(void) WriteBlobMSBShort(image,(unsigned short) offset);
|
|
|
scanline=(unsigned char *) RelinquishMagickMemory(scanline);
|
|
|
packed_scanline=(unsigned char *) RelinquishMagickMemory(packed_scanline);
|
|
|
buffer=(unsigned char *) RelinquishMagickMemory(buffer);
|
|
|
(void) CloseBlob(image);
|
|
|
return(MagickTrue);
|
|
|
}
|
