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% Copyright (C) 2003 GraphicsMagick Group
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% Copyright (C) 2002 ImageMagick Studio
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% Copyright 1991-1999 E. I. du Pont de Nemours and Company
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% This program is covered by multiple licenses, which are described in
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% Copyright.txt. You should have received a copy of Copyright.txt with this
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% package; otherwise see http://www.graphicsmagick.org/www/Copyright.html.
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% PPPP IIIII CCCC TTTTT %
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% Read/Write Apple Macintosh QuickDraw/PICT Format. %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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#include "magick/studio.h"
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#include "magick/blob.h"
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#include "magick/cache.h"
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#include "magick/color.h"
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#include "magick/composite.h"
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#include "magick/constitute.h"
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#include "magick/log.h"
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#include "magick/magick.h"
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#include "magick/monitor.h"
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#include "magick/tempfile.h"
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#include "magick/transform.h"
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#include "magick/utility.h"
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GraphicsMagick Macintosh PICT Methods.
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#define ReadPixmap(pixmap) \
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pixmap.version=ReadBlobMSBShort(image); \
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pixmap.pack_type=ReadBlobMSBShort(image); \
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pixmap.pack_size=ReadBlobMSBLong(image); \
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pixmap.horizontal_resolution=ReadBlobMSBLong(image); \
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pixmap.vertical_resolution=ReadBlobMSBLong(image); \
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pixmap.pixel_type=ReadBlobMSBShort(image); \
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pixmap.bits_per_pixel=ReadBlobMSBShort(image); \
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pixmap.component_count=ReadBlobMSBShort(image); \
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pixmap.component_size=ReadBlobMSBShort(image); \
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pixmap.plane_bytes=ReadBlobMSBLong(image); \
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pixmap.table=ReadBlobMSBLong(image); \
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pixmap.reserved=ReadBlobMSBLong(image); \
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#define ReadRectangle(rectangle) \
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rectangle.top=ReadBlobMSBShort(image); \
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rectangle.left=ReadBlobMSBShort(image); \
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rectangle.bottom=ReadBlobMSBShort(image); \
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rectangle.right=ReadBlobMSBShort(image); \
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typedef struct _PICTCode
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typedef struct _PICTPixmap
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horizontal_resolution,
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typedef struct _PICTRectangle
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static const PICTCode
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/* 0x00 */ { (char *) "NOP", 0, (char *) "nop" },
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/* 0x01 */ { (char *) "Clip", 0, (char *) "clip" },
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/* 0x02 */ { (char *) "BkPat", 8, (char *) "background pattern" },
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/* 0x03 */ { (char *) "TxFont", 2, (char *) "text font (word)" },
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/* 0x04 */ { (char *) "TxFace", 1, (char *) "text face (byte)" },
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/* 0x05 */ { (char *) "TxMode", 2, (char *) "text mode (word)" },
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/* 0x06 */ { (char *) "SpExtra", 4, (char *) "space extra (fixed point)" },
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/* 0x07 */ { (char *) "PnSize", 4, (char *) "pen size (point)" },
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/* 0x08 */ { (char *) "PnMode", 2, (char *) "pen mode (word)" },
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/* 0x09 */ { (char *) "PnPat", 8, (char *) "pen pattern" },
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/* 0x0a */ { (char *) "FillPat", 8, (char *) "fill pattern" },
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/* 0x0b */ { (char *) "OvSize", 4, (char *) "oval size (point)" },
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/* 0x0c */ { (char *) "Origin", 4, (char *) "dh, dv (word)" },
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/* 0x0d */ { (char *) "TxSize", 2, (char *) "text size (word)" },
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/* 0x0e */ { (char *) "FgColor", 4, (char *) "foreground color (longword)" },
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/* 0x0f */ { (char *) "BkColor", 4, (char *) "background color (longword)" },
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/* 0x10 */ { (char *) "TxRatio", 8, (char *) "numerator (point), denominator (point)" },
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/* 0x11 */ { (char *) "Version", 1, (char *) "version (byte)" },
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/* 0x12 */ { (char *) "BkPixPat", 0, (char *) "color background pattern" },
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/* 0x13 */ { (char *) "PnPixPat", 0, (char *) "color pen pattern" },
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/* 0x14 */ { (char *) "FillPixPat", 0, (char *) "color fill pattern" },
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/* 0x15 */ { (char *) "PnLocHFrac", 2, (char *) "fractional pen position" },
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/* 0x16 */ { (char *) "ChExtra", 2, (char *) "extra for each character" },
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/* 0x17 */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x18 */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x19 */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x1a */ { (char *) "RGBFgCol", 6, (char *) "RGB foreColor" },
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/* 0x1b */ { (char *) "RGBBkCol", 6, (char *) "RGB backColor" },
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/* 0x1c */ { (char *) "HiliteMode", 0, (char *) "hilite mode flag" },
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/* 0x1d */ { (char *) "HiliteColor", 6, (char *) "RGB hilite color" },
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/* 0x1e */ { (char *) "DefHilite", 0, (char *) "Use default hilite color" },
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/* 0x1f */ { (char *) "OpColor", 6, (char *) "RGB OpColor for arithmetic modes" },
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/* 0x20 */ { (char *) "Line", 8, (char *) "pnLoc (point), newPt (point)" },
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/* 0x21 */ { (char *) "LineFrom", 4, (char *) "newPt (point)" },
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/* 0x22 */ { (char *) "ShortLine", 6, (char *) "pnLoc (point, dh, dv (-128 .. 127))" },
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/* 0x23 */ { (char *) "ShortLineFrom", 2, (char *) "dh, dv (-128 .. 127)" },
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/* 0x24 */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x25 */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x26 */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x27 */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x28 */ { (char *) "LongText", 0, (char *) "txLoc (point), count (0..255), text" },
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/* 0x29 */ { (char *) "DHText", 0, (char *) "dh (0..255), count (0..255), text" },
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/* 0x2a */ { (char *) "DVText", 0, (char *) "dv (0..255), count (0..255), text" },
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/* 0x2b */ { (char *) "DHDVText", 0, (char *) "dh, dv (0..255), count (0..255), text" },
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/* 0x2c */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x2d */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x2e */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x2f */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x30 */ { (char *) "frameRect", 8, (char *) "rect" },
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/* 0x31 */ { (char *) "paintRect", 8, (char *) "rect" },
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/* 0x32 */ { (char *) "eraseRect", 8, (char *) "rect" },
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/* 0x33 */ { (char *) "invertRect", 8, (char *) "rect" },
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/* 0x34 */ { (char *) "fillRect", 8, (char *) "rect" },
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/* 0x35 */ { (char *) "reserved", 8, (char *) "reserved for Apple use" },
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/* 0x36 */ { (char *) "reserved", 8, (char *) "reserved for Apple use" },
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/* 0x37 */ { (char *) "reserved", 8, (char *) "reserved for Apple use" },
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/* 0x38 */ { (char *) "frameSameRect", 0, (char *) "rect" },
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/* 0x39 */ { (char *) "paintSameRect", 0, (char *) "rect" },
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/* 0x3a */ { (char *) "eraseSameRect", 0, (char *) "rect" },
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/* 0x3b */ { (char *) "invertSameRect", 0, (char *) "rect" },
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/* 0x3c */ { (char *) "fillSameRect", 0, (char *) "rect" },
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/* 0x3d */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x3e */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x3f */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x40 */ { (char *) "frameRRect", 8, (char *) "rect" },
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/* 0x41 */ { (char *) "paintRRect", 8, (char *) "rect" },
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/* 0x42 */ { (char *) "eraseRRect", 8, (char *) "rect" },
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/* 0x43 */ { (char *) "invertRRect", 8, (char *) "rect" },
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/* 0x44 */ { (char *) "fillRRrect", 8, (char *) "rect" },
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/* 0x45 */ { (char *) "reserved", 8, (char *) "reserved for Apple use" },
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/* 0x46 */ { (char *) "reserved", 8, (char *) "reserved for Apple use" },
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/* 0x47 */ { (char *) "reserved", 8, (char *) "reserved for Apple use" },
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/* 0x48 */ { (char *) "frameSameRRect", 0, (char *) "rect" },
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/* 0x49 */ { (char *) "paintSameRRect", 0, (char *) "rect" },
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/* 0x4a */ { (char *) "eraseSameRRect", 0, (char *) "rect" },
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/* 0x4b */ { (char *) "invertSameRRect", 0, (char *) "rect" },
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/* 0x4c */ { (char *) "fillSameRRect", 0, (char *) "rect" },
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/* 0x4d */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x4e */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x4f */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x50 */ { (char *) "frameOval", 8, (char *) "rect" },
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/* 0x51 */ { (char *) "paintOval", 8, (char *) "rect" },
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/* 0x52 */ { (char *) "eraseOval", 8, (char *) "rect" },
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/* 0x53 */ { (char *) "invertOval", 8, (char *) "rect" },
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/* 0x54 */ { (char *) "fillOval", 8, (char *) "rect" },
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/* 0x55 */ { (char *) "reserved", 8, (char *) "reserved for Apple use" },
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/* 0x56 */ { (char *) "reserved", 8, (char *) "reserved for Apple use" },
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/* 0x57 */ { (char *) "reserved", 8, (char *) "reserved for Apple use" },
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/* 0x58 */ { (char *) "frameSameOval", 0, (char *) "rect" },
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/* 0x59 */ { (char *) "paintSameOval", 0, (char *) "rect" },
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/* 0x5a */ { (char *) "eraseSameOval", 0, (char *) "rect" },
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/* 0x5b */ { (char *) "invertSameOval", 0, (char *) "rect" },
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/* 0x5c */ { (char *) "fillSameOval", 0, (char *) "rect" },
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/* 0x5d */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x5e */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x5f */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x60 */ { (char *) "frameArc", 12, (char *) "rect, startAngle, arcAngle" },
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/* 0x61 */ { (char *) "paintArc", 12, (char *) "rect, startAngle, arcAngle" },
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/* 0x62 */ { (char *) "eraseArc", 12, (char *) "rect, startAngle, arcAngle" },
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/* 0x63 */ { (char *) "invertArc", 12, (char *) "rect, startAngle, arcAngle" },
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/* 0x64 */ { (char *) "fillArc", 12, (char *) "rect, startAngle, arcAngle" },
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/* 0x65 */ { (char *) "reserved", 12, (char *) "reserved for Apple use" },
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/* 0x66 */ { (char *) "reserved", 12, (char *) "reserved for Apple use" },
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/* 0x67 */ { (char *) "reserved", 12, (char *) "reserved for Apple use" },
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/* 0x68 */ { (char *) "frameSameArc", 4, (char *) "rect, startAngle, arcAngle" },
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/* 0x69 */ { (char *) "paintSameArc", 4, (char *) "rect, startAngle, arcAngle" },
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/* 0x6a */ { (char *) "eraseSameArc", 4, (char *) "rect, startAngle, arcAngle" },
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/* 0x6b */ { (char *) "invertSameArc", 4, (char *) "rect, startAngle, arcAngle" },
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/* 0x6c */ { (char *) "fillSameArc", 4, (char *) "rect, startAngle, arcAngle" },
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/* 0x6d */ { (char *) "reserved", 4, (char *) "reserved for Apple use" },
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/* 0x6e */ { (char *) "reserved", 4, (char *) "reserved for Apple use" },
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/* 0x6f */ { (char *) "reserved", 4, (char *) "reserved for Apple use" },
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/* 0x70 */ { (char *) "framePoly", 0, (char *) "poly" },
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/* 0x71 */ { (char *) "paintPoly", 0, (char *) "poly" },
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/* 0x72 */ { (char *) "erasePoly", 0, (char *) "poly" },
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/* 0x73 */ { (char *) "invertPoly", 0, (char *) "poly" },
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/* 0x74 */ { (char *) "fillPoly", 0, (char *) "poly" },
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/* 0x75 */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x76 */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x77 */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x78 */ { (char *) "frameSamePoly", 0, (char *) "poly (NYI)" },
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/* 0x79 */ { (char *) "paintSamePoly", 0, (char *) "poly (NYI)" },
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/* 0x7a */ { (char *) "eraseSamePoly", 0, (char *) "poly (NYI)" },
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/* 0x7b */ { (char *) "invertSamePoly", 0, (char *) "poly (NYI)" },
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/* 0x7c */ { (char *) "fillSamePoly", 0, (char *) "poly (NYI)" },
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/* 0x7d */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x7e */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x7f */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x80 */ { (char *) "frameRgn", 0, (char *) "region" },
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/* 0x81 */ { (char *) "paintRgn", 0, (char *) "region" },
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/* 0x82 */ { (char *) "eraseRgn", 0, (char *) "region" },
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/* 0x83 */ { (char *) "invertRgn", 0, (char *) "region" },
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/* 0x84 */ { (char *) "fillRgn", 0, (char *) "region" },
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/* 0x85 */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x86 */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x87 */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x88 */ { (char *) "frameSameRgn", 0, (char *) "region (NYI)" },
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/* 0x89 */ { (char *) "paintSameRgn", 0, (char *) "region (NYI)" },
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/* 0x8a */ { (char *) "eraseSameRgn", 0, (char *) "region (NYI)" },
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/* 0x8b */ { (char *) "invertSameRgn", 0, (char *) "region (NYI)" },
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/* 0x8c */ { (char *) "fillSameRgn", 0, (char *) "region (NYI)" },
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/* 0x8d */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x8e */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x8f */ { (char *) "reserved", 0, (char *) "reserved for Apple use" },
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/* 0x90 */ { (char *) "BitsRect", 0, (char *) "copybits, rect clipped" },
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/* 0x91 */ { (char *) "BitsRgn", 0, (char *) "copybits, rgn clipped" },
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/* 0x92 */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x93 */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x94 */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x95 */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x96 */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x97 */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x98 */ { (char *) "PackBitsRect", 0, (char *) "packed copybits, rect clipped" },
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/* 0x99 */ { (char *) "PackBitsRgn", 0, (char *) "packed copybits, rgn clipped" },
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/* 0x9a */ { (char *) "DirectBitsRect", 0, (char *) "PixMap, srcRect, dstRect, mode, PixData" },
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/* 0x9b */ { (char *) "DirectBitsRgn", 0, (char *) "PixMap, srcRect, dstRect, mode, maskRgn, PixData" },
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/* 0x9c */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x9d */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x9e */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0x9f */ { (char *) "reserved", -1, (char *) "reserved for Apple use" },
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/* 0xa0 */ { (char *) "ShortComment", 2, (char *) "kind (word)" },
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/* 0xa1 */ { (char *) "LongComment", 0, (char *) "kind (word), size (word), data" }
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Forward declarations.
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WritePICTImage(const ImageInfo *,Image *);
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% D e c o d e I m a g e %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% Method DecodeImage decompresses an image via Macintosh pack bits
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% decoding for Macintosh PICT images.
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% The format of the DecodeImage method is:
311
% unsigned char* DecodeImage(const ImageInfo *image_info,Image *blob,
312
% Image *image,unsigned long bytes_per_line,const int bits_per_pixel)
314
% A description of each parameter follows:
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% o status: Method DecodeImage returns True if all the pixels are
317
% uncompressed without error, otherwise False.
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% o image_info: Specifies a pointer to a ImageInfo structure.
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% o blob,image: The address of a structure of type Image.
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% o bytes_per_line: This integer identifies the number of bytes in a
326
% o bits_per_pixel: The number of bits in a pixel.
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static unsigned char *ExpandBuffer(unsigned char *pixels,
332
unsigned long *bytes_per_line,const unsigned int bits_per_pixel)
337
register unsigned char
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switch (bits_per_pixel)
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for (i=0; i < (long) *bytes_per_line; i++)
356
*q++=(*p >> 4) & 0xff;
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for (i=0; i < (long) *bytes_per_line; i++)
367
*q++=(*p >> 6) & 0x03;
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*q++=(*p >> 4) & 0x03;
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*q++=(*p >> 2) & 0x03;
378
for (i=0; i < (long) *bytes_per_line; i++)
380
*q++=(*p >> 7) & 0x01;
381
*q++=(*p >> 6) & 0x01;
382
*q++=(*p >> 5) & 0x01;
383
*q++=(*p >> 4) & 0x01;
384
*q++=(*p >> 3) & 0x01;
385
*q++=(*p >> 2) & 0x01;
386
*q++=(*p >> 1) & 0x01;
399
static unsigned char *DecodeImage(const ImageInfo *image_info,Image *blob,
400
Image *image,unsigned long bytes_per_line,const unsigned int bits_per_pixel)
409
register unsigned char
430
Determine pixel buffer size.
432
if (bits_per_pixel <= 8)
433
bytes_per_line&=0x7fff;
434
width=image->columns;
436
if (bits_per_pixel == 16)
442
if (bits_per_pixel == 32)
443
width*=image->matte ? 4 : 3;
444
if (bytes_per_line == 0)
445
bytes_per_line=width;
446
row_bytes=(unsigned short) (image->columns | 0x8000);
447
if (image->storage_class == DirectClass)
448
row_bytes=(unsigned short) ((4*image->columns) | 0x8000);
450
Allocate pixel and scanline buffer.
452
pixels=MagickAllocateMemory(unsigned char *,row_bytes*image->rows);
453
if (pixels == (unsigned char *) NULL)
454
return((unsigned char *) NULL);
455
memset(pixels,0,row_bytes*image->rows);
456
scanline=MagickAllocateMemory(unsigned char *,row_bytes);
457
if (scanline == (unsigned char *) NULL)
458
return((unsigned char *) NULL);
459
if (bytes_per_line < 8)
462
Pixels are already uncompressed.
464
for (y=0; y < (long) image->rows; y++)
467
number_pixels=bytes_per_line;
468
(void) ReadBlob(blob,number_pixels,(char *) scanline);
469
p=ExpandBuffer(scanline,&number_pixels,bits_per_pixel);
470
(void) memcpy(q,p,number_pixels);
472
MagickFreeMemory(scanline);
476
Uncompress RLE pixels into uncompressed pixel buffer.
478
for (y=0; y < (long) image->rows; y++)
481
if (bytes_per_line > 200)
482
scanline_length=ReadBlobMSBShort(blob);
484
scanline_length=ReadBlobByte(blob);
485
if (scanline_length >= row_bytes)
487
ThrowException(&image->exception,CorruptImageError,UnableToUncompressImage,"scanline length exceeds row bytes");
490
(void) ReadBlob(blob,scanline_length,(char *) scanline);
491
for (j=0; j < (long) scanline_length; )
492
if ((scanline[j] & 0x80) == 0)
494
length=(scanline[j] & 0xff)+1;
495
number_pixels=length*bytes_per_pixel;
496
p=ExpandBuffer(scanline+j+1,&number_pixels,bits_per_pixel);
497
(void) memcpy(q,p,number_pixels);
499
j+=length*bytes_per_pixel+1;
503
length=((scanline[j]^0xff) & 0xff)+2;
504
number_pixels=bytes_per_pixel;
505
p=ExpandBuffer(scanline+j+1,&number_pixels,bits_per_pixel);
506
for (i=0; i < (long) length; i++)
508
(void) memcpy(q,p,number_pixels);
511
j+=bytes_per_pixel+1;
514
MagickFreeMemory(scanline);
519
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
523
% E n c o d e I m a g e %
527
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
529
% Method EncodeImage compresses an image via Macintosh pack bits encoding
530
% for Macintosh PICT images.
532
% The format of the EncodeImage method is:
534
% size_t EncodeImage(Image *image,const unsigned char *scanline,
535
% const unsigned long bytes_per_line,unsigned char *pixels)
537
% A description of each parameter follows:
539
% o status: Method EncodeImage returns the number of encoded pixels.
541
% o image: The address of a structure of type Image.
543
% o scanline: A pointer to an array of characters to pack.
545
% o bytes_per_line: The number of bytes in a scanline.
547
% o pixels: A pointer to an array of characters where the packed
548
% characters are stored.
552
static size_t EncodeImage(Image *image,const unsigned char *scanline,
553
const unsigned long bytes_per_line,unsigned char *pixels)
556
#define MaxPackbitsRunlength 128
563
register const unsigned char
569
register unsigned char
581
assert(image != (Image *) NULL);
582
assert(image->signature == MagickSignature);
583
assert(scanline != (unsigned char *) NULL);
584
assert(pixels != (unsigned char *) NULL);
587
p=scanline+(bytes_per_line-1);
590
for (i=(long) bytes_per_line-1; i >= 0; i--)
597
while (runlength > 0)
599
*q++=(unsigned char) index;
602
if (count == MaxCount)
604
*q++=(unsigned char) (MaxCount-1);
611
*q++=(unsigned char) (count-1);
613
while (runlength > 0)
615
repeat_count=runlength;
616
if (repeat_count > MaxPackbitsRunlength)
617
repeat_count=MaxPackbitsRunlength;
618
*q++=(unsigned char) index;
619
*q++=(unsigned char) (257-repeat_count);
620
runlength-=repeat_count;
629
while (runlength > 0)
631
*q++=(unsigned char) index;
634
if (count == MaxCount)
636
*q++=(unsigned char) (MaxCount-1);
643
*q++=(unsigned char) (count-1);
645
while (runlength > 0)
647
repeat_count=runlength;
648
if (repeat_count > MaxPackbitsRunlength)
649
repeat_count=MaxPackbitsRunlength;
650
*q++=(unsigned char) index;
651
*q++=(unsigned char) (257-repeat_count);
652
runlength-=repeat_count;
656
*q++= (unsigned char) (count-1);
658
Write the number of and the packed length.
661
if (bytes_per_line > 200)
663
(void) WriteBlobMSBShort(image,length);
668
(void) WriteBlobByte(image,(long) length);
674
(void) WriteBlobByte(image,*q);
679
#if !defined(macintosh)
681
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
685
% R e a d P I C T I m a g e %
689
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
691
% Method ReadPICTImage reads an Apple Macintosh QuickDraw/PICT image file
692
% and returns it. It allocates the memory necessary for the new Image
693
% structure and returns a pointer to the new image.
695
% The format of the ReadPICTImage method is:
697
% Image *ReadPICTImage(const ImageInfo *image_info,
698
% ExceptionInfo *exception)
700
% A description of each parameter follows:
702
% o image: Method ReadPICTImage returns a pointer to the image after
703
% reading. A null image is returned if there is a memory shortage or
704
% if the image cannot be read.
706
% o image_info: Specifies a pointer to a ImageInfo structure.
708
% o exception: return any errors or warnings in this structure.
712
static Image *ReadPICTImage(const ImageInfo *image_info,
713
ExceptionInfo *exception)
716
geometry[MaxTextExtent];
762
assert(image_info != (const ImageInfo *) NULL);
763
assert(image_info->signature == MagickSignature);
764
assert(exception != (ExceptionInfo *) NULL);
765
assert(exception->signature == MagickSignature);
766
image=AllocateImage(image_info);
767
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
769
ThrowReaderException(FileOpenError,UnableToOpenFile,image);
773
for (i=0; i < 512; i++)
774
(void) ReadBlobByte(image); /* skip header */
775
(void) ReadBlobMSBShort(image); /* skip picture size */
776
ReadRectangle(frame);
777
while ((c=ReadBlobByte(image)) == 0);
779
ThrowReaderException(CorruptImageError,ImproperImageHeader,image);
780
version=ReadBlobByte(image);
783
c=ReadBlobByte(image);
785
ThrowReaderException(CorruptImageError,ImproperImageHeader,image);
789
ThrowReaderException(CorruptImageError,ImproperImageHeader,image);
794
image->columns=frame.right-frame.left;
795
image->rows=frame.bottom-frame.top;
797
Interpret PICT opcodes.
800
for (code=0; EOFBlob(image) == False; )
802
if (image_info->ping && (image_info->subrange != 0))
803
if (image->scene >= (image_info->subimage+image_info->subrange-1))
805
if ((version == 1) || ((TellBlob(image) % 2) != 0))
806
code=ReadBlobByte(image);
808
code=ReadBlobMSBShort(image);
811
if (IsEventLogging())
812
(void) LogMagickEvent(CoderEvent,GetMagickModule(),"%04X:",code);
816
if (IsEventLogging())
817
(void) LogMagickEvent(CoderEvent,GetMagickModule()," %04X %.1024s: %.1024s",code,
818
codes[code].name,codes[code].description);
826
length=ReadBlobMSBShort(image);
827
if (length != 0x000a)
829
for (i=0; i < (long) (length-2); i++)
830
(void) ReadBlobByte(image);
833
ReadRectangle(frame);
834
if ((frame.left & 0x8000) || (frame.top & 0x8000))
836
image->columns=frame.right-frame.left;
837
image->rows=frame.bottom-frame.top;
838
SetImage(image,OpaqueOpacity);
853
Skip pattern definition.
855
pattern=ReadBlobMSBShort(image);
856
for (i=0; i < 8; i++)
857
(void) ReadBlobByte(image);
860
for (i=0; i < 5; i++)
861
(void) ReadBlobByte(image);
865
ThrowReaderException(CorruptImageError,UnknownPatternType,
867
length=ReadBlobMSBShort(image);
868
ReadRectangle(frame);
870
(void) ReadBlobMSBLong(image);
871
flags=ReadBlobMSBShort(image);
872
length=ReadBlobMSBShort(image);
873
for (i=0; i <= (long) length; i++)
874
(void) ReadBlobMSBLong(image);
875
width=frame.bottom-frame.top;
876
height=frame.right-frame.left;
877
image->depth=pixmap.bits_per_pixel <= 8 ? 8 : QuantumDepth;
878
if (pixmap.bits_per_pixel < 8)
880
if (pixmap.bits_per_pixel <= 8)
882
if (pixmap.bits_per_pixel == 16)
888
for (i=0; i < (long) (length*height); i++)
889
(void) ReadBlobByte(image);
892
for (j=0; j < (int) height; j++)
894
for (j=0; j < ReadBlobMSBShort(image); j++)
895
(void) ReadBlobByte(image);
897
for (j=0; j < ReadBlobByte(image); j++)
898
(void) ReadBlobByte(image);
904
Initialize image background color.
906
image->background_color.red=(Quantum)
907
ScaleShortToQuantum(ReadBlobMSBShort(image));
908
image->background_color.green=(Quantum)
909
ScaleShortToQuantum(ReadBlobMSBShort(image));
910
image->background_color.blue=(Quantum)
911
ScaleShortToQuantum(ReadBlobMSBShort(image));
924
Skip polygon or region.
926
length=ReadBlobMSBShort(image);
927
for (i=0; i < (long) (length-2); i++)
928
(void) ReadBlobByte(image);
945
register unsigned char
958
Pixmap clipped by a rectangle.
961
if ((code != 0x9a) && (code != 0x9b))
962
bytes_per_line=ReadBlobMSBShort(image);
965
(void) ReadBlobMSBShort(image);
966
(void) ReadBlobMSBShort(image);
967
(void) ReadBlobMSBShort(image);
969
ReadRectangle(frame);
971
Initialize tile image.
973
tile_image=CloneImage(image,frame.right-frame.left,
974
frame.bottom-frame.top,True,exception);
975
if (tile_image == (Image *) NULL)
976
return((Image *) NULL);
977
DestroyBlob(tile_image);
978
tile_image->blob=CloneBlobInfo((BlobInfo *) NULL);
979
if ((code == 0x9a) || (code == 0x9b) || (bytes_per_line & 0x8000))
982
tile_image->matte=pixmap.component_count == 4;
984
if ((code != 0x9a) && (code != 0x9b))
989
tile_image->colors=2;
990
if (bytes_per_line & 0x8000)
992
(void) ReadBlobMSBLong(image);
993
flags=ReadBlobMSBShort(image);
994
tile_image->colors=ReadBlobMSBShort(image)+1;
996
if (!AllocateImageColormap(tile_image,tile_image->colors))
998
DestroyImage(tile_image);
999
ThrowReaderException(ResourceLimitError,MemoryAllocationFailed,image)
1001
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
1002
"Allocated tile image colormap with %lu colors",tile_image->colors);
1003
if (bytes_per_line & 0x8000)
1005
for (i=0; i < (long) tile_image->colors; i++)
1007
j=ReadBlobMSBShort(image) % tile_image->colors;
1010
tile_image->colormap[j].red=(Quantum)
1011
ScaleShortToQuantum(ReadBlobMSBShort(image));
1012
tile_image->colormap[j].green=(Quantum)
1013
ScaleShortToQuantum(ReadBlobMSBShort(image));
1014
tile_image->colormap[j].blue=(Quantum)
1015
ScaleShortToQuantum(ReadBlobMSBShort(image));
1020
for (i=0; i < (long) tile_image->colors; i++)
1022
tile_image->colormap[i].red=(Quantum) (MaxRGB-
1023
tile_image->colormap[i].red);
1024
tile_image->colormap[i].green=(Quantum) (MaxRGB-
1025
tile_image->colormap[i].green);
1026
tile_image->colormap[i].blue=(Quantum) (MaxRGB-
1027
tile_image->colormap[i].blue);
1031
ReadRectangle(source);
1032
ReadRectangle(destination);
1033
(void) ReadBlobMSBShort(image);
1034
if ((code == 0x91) || (code == 0x99) || (code == 0x9b))
1039
length=ReadBlobMSBShort(image);
1040
for (i=0; i <= (long) (length-2); i++)
1041
(void) ReadBlobByte(image);
1043
if ((code != 0x9a) && (code != 0x9b) &&
1044
(bytes_per_line & 0x8000) == 0)
1045
pixels=DecodeImage(image_info,image,tile_image,bytes_per_line,1);
1047
pixels=DecodeImage(image_info,image,tile_image,bytes_per_line,
1048
pixmap.bits_per_pixel);
1049
if (pixels == (unsigned char *) NULL)
1051
DestroyImage(tile_image);
1052
ThrowReaderException(ResourceLimitError,MemoryAllocationFailed,image)
1055
Convert PICT tile image to pixel packets.
1058
for (y=0; y < (long) tile_image->rows; y++)
1060
q=SetImagePixels(tile_image,0,y,tile_image->columns,1);
1061
if (q == (PixelPacket *) NULL)
1063
indexes=GetIndexes(tile_image);
1064
for (x=0; x < (long) tile_image->columns; x++)
1066
if (tile_image->storage_class == PseudoClass)
1068
index=(IndexPacket) (*p);
1069
VerifyColormapIndex(tile_image,index);
1071
q->red=tile_image->colormap[index].red;
1072
q->green=tile_image->colormap[index].green;
1073
q->blue=tile_image->colormap[index].blue;
1077
if (pixmap.bits_per_pixel == 16)
1081
q->red=ScaleCharToQuantum((i & 0x7c) << 1);
1082
q->green=ScaleCharToQuantum(((i & 0x03) << 6) |
1084
q->blue=ScaleCharToQuantum((j & 0x1f) << 3);
1087
if (!tile_image->matte)
1089
q->red=ScaleCharToQuantum(*p);
1091
ScaleCharToQuantum(*(p+tile_image->columns));
1092
q->blue=ScaleCharToQuantum(*(p+2*tile_image->columns));
1096
q->opacity=(Quantum) (MaxRGB-ScaleCharToQuantum(*p));
1097
q->red=ScaleCharToQuantum(*(p+tile_image->columns));
1099
ScaleCharToQuantum(*(p+2*tile_image->columns));
1101
ScaleCharToQuantum(*(p+3*tile_image->columns));
1107
if (!SyncImagePixels(tile_image))
1109
if ((tile_image->storage_class == DirectClass) &&
1110
(pixmap.bits_per_pixel != 16))
1111
p+=(pixmap.component_count-1)*tile_image->columns;
1112
if (destination.bottom == (long) image->rows)
1113
if (QuantumTick(y,tile_image->rows))
1114
if (!MagickMonitor(LoadImageText,y,tile_image->rows,&image->exception))
1117
MagickFreeMemory(pixels);
1119
if ((code == 0x9a) || (code == 0x9b) ||
1120
(bytes_per_line & 0x8000))
1121
(void) CompositeImage(image,CopyCompositeOp,tile_image,
1122
destination.left,destination.top);
1123
DestroyImage(tile_image);
1124
if (destination.bottom != (long) image->rows)
1125
if (!MagickMonitor(LoadImageText,destination.bottom,image->rows,&image->exception))
1140
type=ReadBlobMSBShort(image);
1141
length=ReadBlobMSBShort(image);
1144
(void) ReadBlobMSBLong(image);
1148
info=MagickAllocateMemory(unsigned char *,length);
1149
if (info == (unsigned char *) NULL)
1151
(void) ReadBlob(image,length,info);
1158
image->color_profile.info=MagickAllocateMemory(unsigned char *,
1160
if (image->color_profile.info == (unsigned char *) NULL)
1161
ThrowReaderException(ResourceLimitError,MemoryAllocationFailed,image);
1162
image->color_profile.length=length;
1163
(void) memcpy(image->color_profile.info,info,length);
1170
image->iptc_profile.info=MagickAllocateMemory(unsigned char *,
1172
if (image->iptc_profile.info == (unsigned char *) NULL)
1173
ThrowReaderException(ResourceLimitError,MemoryAllocationFailed,image);
1174
image->iptc_profile.length=length;
1175
(void) memcpy(image->iptc_profile.info,info,length);
1181
MagickFreeMemory(info);
1187
Skip to next op code.
1189
if (codes[code].length == -1)
1190
(void) ReadBlobMSBShort(image);
1192
for (i=0; i < (long) codes[code].length; i++)
1193
(void) ReadBlobByte(image);
1202
for (i=0; i < 24; i++)
1203
(void) ReadBlobByte(image);
1206
if (((code >= 0xb0) && (code <= 0xcf)) ||
1207
((code >= 0x8000) && (code <= 0x80ff)))
1224
clone_info=CloneImageInfo(image_info);
1225
clone_info->blob=(void *) NULL;
1226
clone_info->length=0;
1227
file=AcquireTemporaryFileStream(clone_info->filename,BinaryFileIOMode);
1228
if (file == (FILE *) NULL)
1230
DestroyImageInfo(clone_info);
1231
ThrowReaderTemporaryFileException(clone_info->filename);
1233
length=ReadBlobMSBLong(image);
1234
for (i=0; i < 6; i++)
1235
(void) ReadBlobMSBLong(image);
1236
ReadRectangle(frame);
1237
for (i=0; i < 122; i++)
1238
(void) ReadBlobByte(image);
1239
for (i=0; i < (long) (length-154); i++)
1241
c=ReadBlobByte(image);
1242
(void) fputc(c,file);
1244
(void) fclose(file);
1245
tile_image=ReadImage(clone_info,exception);
1246
LiberateTemporaryFile(clone_info->filename);
1247
DestroyImageInfo(clone_info);
1248
if (tile_image == (Image *) NULL)
1250
FormatString(geometry,"%lux%lu",Max(image->columns,tile_image->columns),
1251
Max(image->rows,tile_image->rows));
1252
(void) TransformImage(&image,(char *) NULL,geometry);
1253
(void) CompositeImage(image,CopyCompositeOp,tile_image,frame.left,
1255
image->compression=tile_image->compression;
1256
DestroyImage(tile_image);
1259
if ((code == 0xff) || (code == 0xffff))
1261
if (((code >= 0xd0) && (code <= 0xfe)) ||
1262
((code >= 0x8100) && (code <= 0xffff)))
1267
length=ReadBlobMSBShort(image);
1268
for (i=0; i < (long) length; i++)
1269
(void) ReadBlobByte(image);
1272
if ((code >= 0x100) && (code <= 0x7fff))
1277
length=(code >> 7) & 0xff;
1278
for (i=0; i < (long) length; i++)
1279
(void) ReadBlobByte(image);
1284
ThrowException(exception,CorruptImageError,UnexpectedEndOfFile,
1292
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1296
% R e g i s t e r P I C T I m a g e %
1300
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1302
% Method RegisterPICTImage adds attributes for the PICT image format to
1303
% the list of supported formats. The attributes include the image format
1304
% tag, a method to read and/or write the format, whether the format
1305
% supports the saving of more than one frame to the same file or blob,
1306
% whether the format supports native in-memory I/O, and a brief
1307
% description of the format.
1309
% The format of the RegisterPICTImage method is:
1311
% RegisterPICTImage(void)
1314
ModuleExport void RegisterPICTImage(void)
1319
entry=SetMagickInfo("PCT");
1320
entry->decoder=(DecoderHandler) ReadPICTImage;
1321
entry->encoder=(EncoderHandler) WritePICTImage;
1322
entry->adjoin=False;
1323
entry->description=AcquireString("Apple Macintosh QuickDraw/PICT");
1324
entry->module=AcquireString("PICT");
1325
(void) RegisterMagickInfo(entry);
1326
entry=SetMagickInfo("PICT");
1327
entry->decoder=(DecoderHandler) ReadPICTImage;
1328
entry->encoder=(EncoderHandler) WritePICTImage;
1329
entry->adjoin=False;
1330
entry->description=AcquireString("Apple Macintosh QuickDraw/PICT");
1331
entry->module=AcquireString("PICT");
1332
(void) RegisterMagickInfo(entry);
1336
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1340
% U n r e g i s t e r P I C T I m a g e %
1344
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1346
% Method UnregisterPICTImage removes format registrations made by the
1347
% PICT module from the list of supported formats.
1349
% The format of the UnregisterPICTImage method is:
1351
% UnregisterPICTImage(void)
1354
ModuleExport void UnregisterPICTImage(void)
1356
(void) UnregisterMagickInfo("PCT");
1357
(void) UnregisterMagickInfo("PICT");
1361
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1365
% W r i t e P I C T I m a g e %
1369
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1371
% Method WritePICTImage writes an image to a file in the Apple Macintosh
1372
% QuickDraw/PICT image format.
1374
% The format of the WritePICTImage method is:
1376
% unsigned int WritePICTImage(const ImageInfo *image_info,Image *image)
1378
% A description of each parameter follows.
1380
% o status: Method WritePICTImage return True if the image is written.
1381
% False is returned is there is a memory shortage or if the image file
1384
% o image_info: Specifies a pointer to a ImageInfo structure.
1386
% o image: A pointer to an Image structure.
1390
static unsigned int WritePICTImage(const ImageInfo *image_info,Image *image)
1392
#define MaxCount 128
1393
#define PictCropRegionOp 0x01
1394
#define PictEndOfPictureOp 0xff
1395
#define PictJPEGOp 0x8200
1396
#define PictInfoOp 0x0C00
1397
#define PictInfoSize 512
1398
#define PictPixmapOp 0x9A
1399
#define PictPICTOp 0x98
1400
#define PictVersion 0x11
1409
ExtendedSignedIntegralType
1418
destination_rectangle,
1423
register const PixelPacket
1426
register IndexPacket
1454
Open output image file.
1456
assert(image_info != (const ImageInfo *) NULL);
1457
assert(image_info->signature == MagickSignature);
1458
assert(image != (Image *) NULL);
1459
assert(image->signature == MagickSignature);
1460
if ((image->columns > 65535L) || (image->rows > 65535L))
1461
ThrowWriterException(ImageError,WidthOrHeightExceedsLimit,image);
1462
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
1463
if (status == False)
1464
ThrowWriterException(FileOpenError,UnableToOpenFile,image);
1465
TransformColorspace(image,RGBColorspace);
1467
Initialize image info.
1469
size_rectangle.top=0;
1470
size_rectangle.left=0;
1471
size_rectangle.bottom=(short) image->rows;
1472
size_rectangle.right=(short) image->columns;
1473
frame_rectangle=size_rectangle;
1474
crop_rectangle=size_rectangle;
1475
source_rectangle=size_rectangle;
1476
destination_rectangle=size_rectangle;
1478
row_bytes=(unsigned short) (image->columns | 0x8000);
1481
bounds.bottom=(short) image->rows;
1482
bounds.right=(short) image->columns;
1486
pixmap.pixel_type=0;
1487
pixmap.bits_per_pixel=8;
1488
pixmap.component_count=1;
1489
pixmap.component_size=8;
1490
pixmap.plane_bytes=0;
1494
x_resolution=image->x_resolution ? image->x_resolution : 72.0;
1495
y_resolution=image->y_resolution ? image->y_resolution : 72.0;
1496
storage_class=image->storage_class;
1497
if (image->compression == JPEGCompression)
1498
storage_class=DirectClass;
1499
if (storage_class == DirectClass)
1501
pixmap.component_count=image->matte ? 4 : 3;
1502
pixmap.pixel_type=16;
1503
pixmap.bits_per_pixel=32;
1504
pixmap.pack_type=0x04;
1506
row_bytes=(unsigned short) ((4*image->columns) | 0x8000);
1511
bytes_per_line=image->columns;
1512
if (storage_class == DirectClass)
1513
bytes_per_line*=image->matte ? 4 : 3;
1514
buffer=MagickAllocateMemory(unsigned char *,PictInfoSize);
1515
packed_scanline=MagickAllocateMemory(unsigned char *,row_bytes+MaxCount);
1516
scanline=MagickAllocateMemory(unsigned char *,row_bytes);
1517
if ((buffer == (unsigned char *) NULL) ||
1518
(packed_scanline == (unsigned char *) NULL) ||
1519
(scanline == (unsigned char *) NULL))
1520
ThrowWriterException(ResourceLimitError,MemoryAllocationFailed,image);
1522
Write header, header size, size bounding box, version, and reserved.
1524
memset(buffer,0,PictInfoSize);
1525
(void) WriteBlob(image,PictInfoSize,buffer);
1526
(void) WriteBlobMSBShort(image,0);
1527
(void) WriteBlobMSBShort(image,size_rectangle.top);
1528
(void) WriteBlobMSBShort(image,size_rectangle.left);
1529
(void) WriteBlobMSBShort(image,size_rectangle.bottom);
1530
(void) WriteBlobMSBShort(image,size_rectangle.right);
1531
(void) WriteBlobMSBShort(image,PictVersion);
1532
(void) WriteBlobMSBShort(image,0x02ff); /* version #2 */
1533
(void) WriteBlobMSBShort(image,PictInfoOp);
1534
(void) WriteBlobMSBLong(image,0xFFFE0000UL);
1536
Write full size of the file, resolution, frame bounding box, and reserved.
1538
(void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
1539
(void) WriteBlobMSBShort(image,0x0000);
1540
(void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
1541
(void) WriteBlobMSBShort(image,0x0000);
1542
(void) WriteBlobMSBShort(image,frame_rectangle.top);
1543
(void) WriteBlobMSBShort(image,frame_rectangle.left);
1544
(void) WriteBlobMSBShort(image,frame_rectangle.bottom);
1545
(void) WriteBlobMSBShort(image,frame_rectangle.right);
1546
(void) WriteBlobMSBLong(image,0x00000000L);
1547
if (image->iptc_profile.info != (unsigned char *) NULL)
1549
(void) WriteBlobMSBShort(image,0xa1);
1550
(void) WriteBlobMSBShort(image,0x1f2);
1551
(void) WriteBlobMSBShort(image,image->iptc_profile.length+4);
1552
(void) WriteBlobString(image,"8BIM");
1553
(void) WriteBlob(image,image->iptc_profile.length,
1554
image->iptc_profile.info);
1556
if (image->color_profile.info != (unsigned char *) NULL)
1558
(void) WriteBlobMSBShort(image,0xa1);
1559
(void) WriteBlobMSBShort(image,0xe0);
1560
(void) WriteBlobMSBShort(image,image->color_profile.length+4);
1561
(void) WriteBlobMSBLong(image,0x00000000UL);
1562
(void) WriteBlob(image,image->color_profile.length,
1563
image->color_profile.info);
1564
(void) WriteBlobMSBShort(image,0xa1);
1565
(void) WriteBlobMSBShort(image,0xe0);
1566
(void) WriteBlobMSBShort(image,4);
1567
(void) WriteBlobMSBLong(image,0x00000002UL);
1570
Write crop region opcode and crop bounding box.
1572
(void) WriteBlobMSBShort(image,PictCropRegionOp);
1573
(void) WriteBlobMSBShort(image,0xa);
1574
(void) WriteBlobMSBShort(image,crop_rectangle.top);
1575
(void) WriteBlobMSBShort(image,crop_rectangle.left);
1576
(void) WriteBlobMSBShort(image,crop_rectangle.bottom);
1577
(void) WriteBlobMSBShort(image,crop_rectangle.right);
1578
if (image->compression == JPEGCompression)
1589
jpeg_image=CloneImage(image,0,0,True,&image->exception);
1590
if (jpeg_image == (Image *) NULL)
1595
DestroyBlob(jpeg_image);
1596
jpeg_image->blob=CloneBlobInfo((BlobInfo *) NULL);
1597
(void) strcpy(jpeg_image->magick,"JPEG");
1598
blob=(unsigned char *) ImageToBlob(image_info,jpeg_image,&length,
1600
DestroyImage(jpeg_image);
1601
if (blob == (unsigned char *) NULL)
1603
(void) WriteBlobMSBShort(image,PictJPEGOp);
1604
(void) WriteBlobMSBLong(image,length+154);
1605
(void) WriteBlobMSBShort(image,0x0000);
1606
(void) WriteBlobMSBLong(image,0x00010000UL);
1607
(void) WriteBlobMSBLong(image,0x00000000UL);
1608
(void) WriteBlobMSBLong(image,0x00000000UL);
1609
(void) WriteBlobMSBLong(image,0x00000000UL);
1610
(void) WriteBlobMSBLong(image,0x00010000UL);
1611
(void) WriteBlobMSBLong(image,0x00000000UL);
1612
(void) WriteBlobMSBLong(image,0x00000000UL);
1613
(void) WriteBlobMSBLong(image,0x00000000UL);
1614
(void) WriteBlobMSBLong(image,0x40000000UL);
1615
(void) WriteBlobMSBLong(image,0x00000000UL);
1616
(void) WriteBlobMSBLong(image,0x00000000UL);
1617
(void) WriteBlobMSBLong(image,0x00000000UL);
1618
(void) WriteBlobMSBLong(image,0x00400000UL);
1619
(void) WriteBlobMSBShort(image,0x0000);
1620
(void) WriteBlobMSBShort(image,image->rows);
1621
(void) WriteBlobMSBShort(image,image->columns);
1622
(void) WriteBlobMSBShort(image,0x0000);
1623
(void) WriteBlobMSBShort(image,768);
1624
(void) WriteBlobMSBShort(image,0x0000);
1625
(void) WriteBlobMSBLong(image,0x00000000UL);
1626
(void) WriteBlobMSBLong(image,0x00566A70UL);
1627
(void) WriteBlobMSBLong(image,0x65670000UL);
1628
(void) WriteBlobMSBLong(image,0x00000000UL);
1629
(void) WriteBlobMSBLong(image,0x00000001UL);
1630
(void) WriteBlobMSBLong(image,0x00016170UL);
1631
(void) WriteBlobMSBLong(image,0x706C0000UL);
1632
(void) WriteBlobMSBLong(image,0x00000000UL);
1633
(void) WriteBlobMSBShort(image,768);
1634
(void) WriteBlobMSBShort(image,image->columns);
1635
(void) WriteBlobMSBShort(image,image->rows);
1636
(void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
1637
(void) WriteBlobMSBShort(image,0x0000);
1638
(void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
1639
(void) WriteBlobMSBLong(image,0x00000000UL);
1640
(void) WriteBlobMSBLong(image,0x87AC0001UL);
1641
(void) WriteBlobMSBLong(image,0x0B466F74UL);
1642
(void) WriteBlobMSBLong(image,0x6F202D20UL);
1643
(void) WriteBlobMSBLong(image,0x4A504547UL);
1644
(void) WriteBlobMSBLong(image,0x00000000UL);
1645
(void) WriteBlobMSBLong(image,0x00000000UL);
1646
(void) WriteBlobMSBLong(image,0x00000000UL);
1647
(void) WriteBlobMSBLong(image,0x00000000UL);
1648
(void) WriteBlobMSBLong(image,0x00000000UL);
1649
(void) WriteBlobMSBLong(image,0x0018FFFFUL);
1650
(void) WriteBlob(image,length,blob);
1652
(void) WriteBlobByte(image,'\0');
1653
MagickFreeMemory(blob);
1656
Write picture opcode, row bytes, and picture bounding box, and version.
1658
if (storage_class == PseudoClass)
1659
(void) WriteBlobMSBShort(image,PictPICTOp);
1662
(void) WriteBlobMSBShort(image,PictPixmapOp);
1663
(void) WriteBlobMSBLong(image,(unsigned long) base_address);
1665
(void) WriteBlobMSBShort(image,row_bytes | 0x8000);
1666
(void) WriteBlobMSBShort(image,bounds.top);
1667
(void) WriteBlobMSBShort(image,bounds.left);
1668
(void) WriteBlobMSBShort(image,bounds.bottom);
1669
(void) WriteBlobMSBShort(image,bounds.right);
1671
Write pack type, pack size, resolution, pixel type, and pixel size.
1673
(void) WriteBlobMSBShort(image,pixmap.version);
1674
(void) WriteBlobMSBShort(image,pixmap.pack_type);
1675
(void) WriteBlobMSBLong(image,pixmap.pack_size);
1676
(void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
1677
(void) WriteBlobMSBShort(image,0x0000);
1678
(void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
1679
(void) WriteBlobMSBShort(image,0x0000);
1680
(void) WriteBlobMSBShort(image,pixmap.pixel_type);
1681
(void) WriteBlobMSBShort(image,pixmap.bits_per_pixel);
1683
Write component count, size, plane bytes, table size, and reserved.
1685
(void) WriteBlobMSBShort(image,pixmap.component_count);
1686
(void) WriteBlobMSBShort(image,pixmap.component_size);
1687
(void) WriteBlobMSBLong(image,(unsigned long) pixmap.plane_bytes);
1688
(void) WriteBlobMSBLong(image,(unsigned long) pixmap.table);
1689
(void) WriteBlobMSBLong(image,(unsigned long) pixmap.reserved);
1690
if (storage_class == PseudoClass)
1693
Write image colormap.
1695
(void) WriteBlobMSBLong(image,0x00000000L); /* color seed */
1696
(void) WriteBlobMSBShort(image,0L); /* color flags */
1697
(void) WriteBlobMSBShort(image,(unsigned short) (image->colors-1));
1698
for (i=0; i < (long) image->colors; i++)
1700
(void) WriteBlobMSBShort(image,i);
1701
(void) WriteBlobMSBShort(image,
1702
ScaleQuantumToShort(image->colormap[i].red));
1703
(void) WriteBlobMSBShort(image,
1704
ScaleQuantumToShort(image->colormap[i].green));
1705
(void) WriteBlobMSBShort(image,
1706
ScaleQuantumToShort(image->colormap[i].blue));
1710
Write source and destination rectangle.
1712
(void) WriteBlobMSBShort(image,source_rectangle.top);
1713
(void) WriteBlobMSBShort(image,source_rectangle.left);
1714
(void) WriteBlobMSBShort(image,source_rectangle.bottom);
1715
(void) WriteBlobMSBShort(image,source_rectangle.right);
1716
(void) WriteBlobMSBShort(image,destination_rectangle.top);
1717
(void) WriteBlobMSBShort(image,destination_rectangle.left);
1718
(void) WriteBlobMSBShort(image,destination_rectangle.bottom);
1719
(void) WriteBlobMSBShort(image,destination_rectangle.right);
1720
(void) WriteBlobMSBShort(image,transfer_mode);
1725
if (storage_class == PseudoClass)
1726
for (y=0; y < (long) image->rows; y++)
1728
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
1729
if (p == (const PixelPacket *) NULL)
1731
indexes=GetIndexes(image);
1732
for (x=0; x < (long) image->columns; x++)
1733
scanline[x]=indexes[x];
1734
count+=EncodeImage(image,scanline,row_bytes & 0x7FFF,packed_scanline);
1735
if (QuantumTick(y,image->rows))
1736
if (!MagickMonitor(SaveImageText,y,image->rows,&image->exception))
1740
if (image->compression == JPEGCompression)
1742
(void) memset(scanline,0,row_bytes);
1743
for (y=0; y < (long) image->rows; y++)
1744
count+=EncodeImage(image,scanline,row_bytes & 0x7FFF,packed_scanline);
1748
register unsigned char
1755
green=scanline+image->columns;
1756
blue=scanline+2*image->columns;
1757
opacity=scanline+3*image->columns;
1758
for (y=0; y < (long) image->rows; y++)
1760
p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
1761
if (p == (const PixelPacket *) NULL)
1764
green=scanline+image->columns;
1765
blue=scanline+2*image->columns;
1769
red=scanline+image->columns;
1770
green=scanline+2*image->columns;
1771
blue=scanline+3*image->columns;
1773
for (x=0; x < (long) image->columns; x++)
1775
*red++=ScaleQuantumToChar(p->red);
1776
*green++=ScaleQuantumToChar(p->green);
1777
*blue++=ScaleQuantumToChar(p->blue);
1779
*opacity++=ScaleQuantumToChar(MaxRGB-p->opacity);
1782
count+=EncodeImage(image,scanline,bytes_per_line & 0x7FFF,packed_scanline);
1783
if (QuantumTick(y,image->rows))
1784
if (!MagickMonitor(SaveImageText,y,image->rows,&image->exception))
1789
(void) WriteBlobByte(image,'\0');
1790
(void) WriteBlobMSBShort(image,PictEndOfPictureOp);
1791
offset=TellBlob(image);
1792
(void) SeekBlob(image,512,SEEK_SET);
1793
(void) WriteBlobMSBShort(image,(unsigned long) offset);
1794
MagickFreeMemory(scanline);
1795
MagickFreeMemory(packed_scanline);
1796
MagickFreeMemory(buffer);
added
removed
coders/pict.c
