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-rwxr-xr-xtiff/contrib/dbs/xtiff/Makefile.am42
-rwxr-xr-xtiff/contrib/dbs/xtiff/Makefile.in509
-rwxr-xr-xtiff/contrib/dbs/xtiff/README6
-rwxr-xr-xtiff/contrib/dbs/xtiff/patchlevel.h8
-rwxr-xr-xtiff/contrib/dbs/xtiff/xtiff.c1290
-rwxr-xr-xtiff/contrib/dbs/xtiff/xtifficon.h21
6 files changed, 1876 insertions, 0 deletions
diff --git a/tiff/contrib/dbs/xtiff/Makefile.am b/tiff/contrib/dbs/xtiff/Makefile.am
new file mode 100755
index 0000000..749f5ce
--- /dev/null
+++ b/tiff/contrib/dbs/xtiff/Makefile.am
@@ -0,0 +1,42 @@
+#
+# Tag Image File Format (TIFF) Software
+#
+# Copyright (C) 2004, Andrey Kiselev <dron@ak4719.spb.edu>
+#
+# Permission to use, copy, modify, distribute, and sell this software and
+# its documentation for any purpose is hereby granted without fee, provided
+# that (i) the above copyright notices and this permission notice appear in
+# all copies of the software and related documentation, and (ii) the names of
+# Sam Leffler and Silicon Graphics may not be used in any advertising or
+# publicity relating to the software without the specific, prior written
+# permission of Sam Leffler and Silicon Graphics.
+#
+# THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+# WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+#
+# IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+# ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+# LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+
+# Process this file with automake to produce Makefile.in.
+
+#LIBTIFF = $(top_builddir)/libtiff/libtiff.la
+
+EXTRA_DIST = README patchlevel.h xtiff.c xtifficon.h
+
+#noinst_PROGRAMS =
+
+#if HAVE_XAW
+#noinst_PROGRAMS += xtiff
+#endif
+
+#xtiff_SOURCES = patchlevel.h xtiff.c xtifficon.h
+#xtiff_CFLAGS = $(CFLAGS) $(XAW_CFLAGS) $(AM_CFLAGS)
+#xtiff_LDADD = $(LIBTIFF) $(X_LIBS) $(XAW_LIBS)
+
+#INCLUDES = -I$(top_srcdir)/libtiff
+
diff --git a/tiff/contrib/dbs/xtiff/Makefile.in b/tiff/contrib/dbs/xtiff/Makefile.in
new file mode 100755
index 0000000..de139dd
--- /dev/null
+++ b/tiff/contrib/dbs/xtiff/Makefile.in
@@ -0,0 +1,509 @@
+# Makefile.in generated by automake 1.15 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+#
+# Tag Image File Format (TIFF) Software
+#
+# Copyright (C) 2004, Andrey Kiselev <dron@ak4719.spb.edu>
+#
+# Permission to use, copy, modify, distribute, and sell this software and
+# its documentation for any purpose is hereby granted without fee, provided
+# that (i) the above copyright notices and this permission notice appear in
+# all copies of the software and related documentation, and (ii) the names of
+# Sam Leffler and Silicon Graphics may not be used in any advertising or
+# publicity relating to the software without the specific, prior written
+# permission of Sam Leffler and Silicon Graphics.
+#
+# THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+# WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+#
+# IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+# ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+# LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+
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+
+#noinst_PROGRAMS =
+
+#if HAVE_XAW
+#noinst_PROGRAMS += xtiff
+#endif
+
+#xtiff_SOURCES = patchlevel.h xtiff.c xtifficon.h
+#xtiff_CFLAGS = $(CFLAGS) $(XAW_CFLAGS) $(AM_CFLAGS)
+#xtiff_LDADD = $(LIBTIFF) $(X_LIBS) $(XAW_LIBS)
+
+#INCLUDES = -I$(top_srcdir)/libtiff
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tiff/contrib/dbs/xtiff/README b/tiff/contrib/dbs/xtiff/README
new file mode 100755
index 0000000..fa15147
--- /dev/null
+++ b/tiff/contrib/dbs/xtiff/README
@@ -0,0 +1,6 @@
+xtiff 2.0
+
+xtiff is a tool for viewing a TIFF file in an X window. It was written to
+handle as many different kinds of TIFF files as possible while remaining
+simple, portable and efficient. xtiff requires X11 R4, the Athena Widgets
+and Sam Leffler's libtiff package (which can be found on ucbvax.berkeley.edu).
diff --git a/tiff/contrib/dbs/xtiff/patchlevel.h b/tiff/contrib/dbs/xtiff/patchlevel.h
new file mode 100755
index 0000000..538b6d9
--- /dev/null
+++ b/tiff/contrib/dbs/xtiff/patchlevel.h
@@ -0,0 +1,8 @@
+#define PATCHLEVEL 0
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 8
+ * fill-column: 78
+ * End:
+ */
diff --git a/tiff/contrib/dbs/xtiff/xtiff.c b/tiff/contrib/dbs/xtiff/xtiff.c
new file mode 100755
index 0000000..97e4ffe
--- /dev/null
+++ b/tiff/contrib/dbs/xtiff/xtiff.c
@@ -0,0 +1,1290 @@
+/*
+ * $Id: xtiff.c,v 1.4 2013-05-02 14:44:29 tgl Exp $
+ *
+ * xtiff - view a TIFF file in an X window
+ *
+ * Dan Sears
+ * Chris Sears
+ *
+ * Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts.
+ *
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation, and that the name of Digital not be
+ * used in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.
+ *
+ * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+ * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ *
+ * Revision 1.0 90/05/07
+ * Initial release.
+ * Revision 2.0 90/12/20
+ * Converted to use the Athena Widgets and the Xt Intrinsics.
+ *
+ * Notes:
+ *
+ * According to the TIFF 5.0 Specification, it is possible to have
+ * both a TIFFTAG_COLORMAP and a TIFFTAG_COLORRESPONSECURVE. This
+ * doesn't make sense since a TIFFTAG_COLORMAP is 16 bits wide and
+ * a TIFFTAG_COLORRESPONSECURVE is tfBitsPerSample bits wide for each
+ * channel. This is probably a bug in the specification.
+ * In this case, TIFFTAG_COLORRESPONSECURVE is ignored.
+ * This might make sense if TIFFTAG_COLORMAP was 8 bits wide.
+ *
+ * TIFFTAG_COLORMAP is often incorrectly written as ranging from
+ * 0 to 255 rather than from 0 to 65535. CheckAndCorrectColormap()
+ * takes care of this.
+ *
+ * Only ORIENTATION_TOPLEFT is supported correctly. This is the
+ * default TIFF and X orientation. Other orientations will be
+ * displayed incorrectly.
+ *
+ * There is no support for or use of 3/3/2 DirectColor visuals.
+ * TIFFTAG_MINSAMPLEVALUE and TIFFTAG_MAXSAMPLEVALUE are not supported.
+ *
+ * Only TIFFTAG_BITSPERSAMPLE values that are 1, 2, 4 or 8 are supported.
+ */
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <tiffio.h>
+#include <X11/Xatom.h>
+#include <X11/Intrinsic.h>
+#include <X11/StringDefs.h>
+#include <X11/Xproto.h>
+#include <X11/Shell.h>
+#include <X11/Xaw/Form.h>
+#include <X11/Xaw/List.h>
+#include <X11/Xaw/Label.h>
+#include <X11/cursorfont.h>
+#define XK_MISCELLANY
+#include <X11/keysymdef.h>
+#include "xtifficon.h"
+
+#define TIFF_GAMMA "2.2" /* default gamma from the TIFF 5.0 spec */
+#define ROUND(x) (uint16) ((x) + 0.5)
+#define SCALE(x, s) (((x) * 65535L) / (s))
+#define MCHECK(m) if (!m) { fprintf(stderr, "malloc failed\n"); exit(0); }
+#define MIN(a, b) (((a) < (b)) ? (a) : (b))
+#define MAX(a, b) (((a) > (b)) ? (a) : (b))
+#define VIEWPORT_WIDTH 700
+#define VIEWPORT_HEIGHT 500
+#define KEY_TRANSLATE 20
+
+#ifdef __STDC__
+#define PP(args) args
+#else
+#define PP(args) ()
+#endif
+
+int main PP((int argc, char **argv));
+void OpenTIFFFile PP((void));
+void GetTIFFHeader PP((void));
+void SetNameLabel PP((void));
+void CheckAndCorrectColormap PP((void));
+void SimpleGammaCorrection PP((void));
+void GetVisual PP((void));
+Boolean SearchVisualList PP((int image_depth,
+ int visual_class, Visual **visual));
+void GetTIFFImage PP((void));
+void CreateXImage PP((void));
+XtCallbackProc SelectProc PP((Widget w, caddr_t unused_1, caddr_t unused_2));
+void QuitProc PP((void));
+void NextProc PP((void));
+void PreviousProc PP((void));
+void PageProc PP((int direction));
+void EventProc PP((Widget widget, caddr_t unused, XEvent *event));
+void ResizeProc PP((void));
+int XTiffErrorHandler PP((Display *display, XErrorEvent *error_event));
+void Usage PP((void));
+
+int xtVersion = XtSpecificationRelease; /* xtiff depends on R4 or higher */
+
+/*
+ * Xt data structures
+ */
+Widget shellWidget, formWidget, listWidget, labelWidget, imageWidget;
+
+enum { ButtonQuit = 0, ButtonPreviousPage = 1, ButtonNextPage = 2 };
+
+String buttonStrings[] = { "Quit", "Previous", "Next" };
+
+static XrmOptionDescRec shellOptions[] = {
+ { "-help", "*help", XrmoptionNoArg, (caddr_t) "True" },
+ { "-gamma", "*gamma", XrmoptionSepArg, NULL },
+ { "-usePixmap", "*usePixmap", XrmoptionSepArg, NULL },
+ { "-viewportWidth", "*viewportWidth", XrmoptionSepArg, NULL },
+ { "-viewportHeight", "*viewportHeight", XrmoptionSepArg, NULL },
+ { "-translate", "*translate", XrmoptionSepArg, NULL },
+ { "-verbose", "*verbose", XrmoptionSepArg, NULL }
+};
+
+typedef struct {
+ Boolean help;
+ float gamma;
+ Boolean usePixmap;
+ uint32 viewportWidth;
+ uint32 viewportHeight;
+ int translate;
+ Boolean verbose;
+} AppData, *AppDataPtr;
+
+AppData appData;
+
+XtResource clientResources[] = {
+ {
+ "help", XtCBoolean, XtRBoolean, sizeof(Boolean),
+ XtOffset(AppDataPtr, help), XtRImmediate, (XtPointer) False
+ }, {
+ "gamma", "Gamma", XtRFloat, sizeof(float),
+ XtOffset(AppDataPtr, gamma), XtRString, (XtPointer) TIFF_GAMMA
+ }, {
+ "usePixmap", "UsePixmap", XtRBoolean, sizeof(Boolean),
+ XtOffset(AppDataPtr, usePixmap), XtRImmediate, (XtPointer) True
+ }, {
+ "viewportWidth", "ViewportWidth", XtRInt, sizeof(int),
+ XtOffset(AppDataPtr, viewportWidth), XtRImmediate,
+ (XtPointer) VIEWPORT_WIDTH
+ }, {
+ "viewportHeight", "ViewportHeight", XtRInt, sizeof(int),
+ XtOffset(AppDataPtr, viewportHeight), XtRImmediate,
+ (XtPointer) VIEWPORT_HEIGHT
+ }, {
+ "translate", "Translate", XtRInt, sizeof(int),
+ XtOffset(AppDataPtr, translate), XtRImmediate, (XtPointer) KEY_TRANSLATE
+ }, {
+ "verbose", "Verbose", XtRBoolean, sizeof(Boolean),
+ XtOffset(AppDataPtr, verbose), XtRImmediate, (XtPointer) True
+ }
+};
+
+Arg formArgs[] = {
+ { XtNresizable, True }
+};
+
+Arg listArgs[] = {
+ { XtNresizable, False },
+ { XtNborderWidth, 0 },
+ { XtNdefaultColumns, 3 },
+ { XtNforceColumns, True },
+ { XtNlist, (int) buttonStrings },
+ { XtNnumberStrings, XtNumber(buttonStrings) },
+ { XtNtop, XtChainTop },
+ { XtNleft, XtChainLeft },
+ { XtNbottom, XtChainTop },
+ { XtNright, XtChainLeft }
+};
+
+Arg labelArgs[] = {
+ { XtNresizable, False },
+ { XtNwidth, 200 },
+ { XtNborderWidth, 0 },
+ { XtNjustify, XtJustifyLeft },
+ { XtNtop, XtChainTop },
+ { XtNleft, XtChainLeft },
+ { XtNbottom, XtChainTop },
+ { XtNright, XtChainLeft }
+};
+
+Arg imageArgs[] = {
+ { XtNresizable, True },
+ { XtNborderWidth, 0 },
+ { XtNtop, XtChainTop },
+ { XtNleft, XtChainLeft },
+ { XtNbottom, XtChainTop },
+ { XtNright, XtChainLeft }
+};
+
+XtActionsRec actionsTable[] = {
+ { "quit", QuitProc },
+ { "next", NextProc },
+ { "previous", PreviousProc },
+ { "notifyresize", ResizeProc }
+};
+
+char translationsTable[] = "<Key>q: quit() \n \
+ <Key>Q: quit() \n \
+ <Message>WM_PROTOCOLS: quit()\n \
+ <Key>p: previous() \n \
+ <Key>P: previous() \n \
+ <Key>n: next() \n \
+ <Key>N: next() \n \
+ <Configure>: notifyresize()";
+
+/*
+ * X data structures
+ */
+Colormap xColormap;
+Display * xDisplay;
+Pixmap xImagePixmap;
+Visual * xVisual;
+XImage * xImage;
+GC xWinGc;
+int xImageDepth, xScreen, xRedMask, xGreenMask, xBlueMask,
+ xOffset = 0, yOffset = 0, grabX = -1, grabY = -1;
+unsigned char basePixel = 0;
+
+/*
+ * TIFF data structures
+ */
+TIFF * tfFile = NULL;
+uint32 tfImageWidth, tfImageHeight;
+uint16 tfBitsPerSample, tfSamplesPerPixel, tfPlanarConfiguration,
+ tfPhotometricInterpretation, tfGrayResponseUnit,
+ tfImageDepth, tfBytesPerRow;
+int tfDirectory = 0, tfMultiPage = False;
+double tfUnitMap, tfGrayResponseUnitMap[] = {
+ -1, -10, -100, -1000, -10000, -100000
+ };
+
+/*
+ * display data structures
+ */
+double *dRed, *dGreen, *dBlue;
+
+/*
+ * shared data structures
+ */
+uint16 * redMap = NULL, *greenMap = NULL, *blueMap = NULL,
+ *grayMap = NULL, colormapSize;
+char * imageMemory;
+char * fileName;
+
+int
+main(int argc, char **argv)
+{
+ XSetWindowAttributes window_attributes;
+ Widget widget_list[3];
+ Arg args[5];
+
+ setbuf(stdout, NULL); setbuf(stderr, NULL);
+
+ shellWidget = XtInitialize(argv[0], "XTiff", shellOptions,
+ XtNumber(shellOptions), &argc, argv);
+
+ XSetErrorHandler(XTiffErrorHandler);
+
+ XtGetApplicationResources(shellWidget, &appData,
+ (XtResourceList) clientResources, (Cardinal) XtNumber(clientResources),
+ (ArgList) NULL, (Cardinal) 0);
+
+ if ((argc <= 1) || (argc > 2) || appData.help)
+ Usage();
+
+ if (appData.verbose == False) {
+ TIFFSetErrorHandler(0);
+ TIFFSetWarningHandler(0);
+ }
+
+ fileName = argv[1];
+
+ xDisplay = XtDisplay(shellWidget);
+ xScreen = DefaultScreen(xDisplay);
+
+ OpenTIFFFile();
+ GetTIFFHeader();
+ SimpleGammaCorrection();
+ GetVisual();
+ GetTIFFImage();
+
+ /*
+ * Send visual, colormap, depth and iconPixmap to shellWidget.
+ * Sending the visual to the shell is only possible with the advent of R4.
+ */
+ XtSetArg(args[0], XtNvisual, xVisual);
+ XtSetArg(args[1], XtNcolormap, xColormap);
+ XtSetArg(args[2], XtNdepth,
+ xImageDepth == 1 ? DefaultDepth(xDisplay, xScreen) : xImageDepth);
+ XtSetArg(args[3], XtNiconPixmap,
+ XCreateBitmapFromData(xDisplay, RootWindow(xDisplay, xScreen),
+ xtifficon_bits, xtifficon_width, xtifficon_height));
+ XtSetArg(args[4], XtNallowShellResize, True);
+ XtSetValues(shellWidget, args, 5);
+
+ /*
+ * widget instance hierarchy
+ */
+ formWidget = XtCreateManagedWidget("form", formWidgetClass,
+ shellWidget, formArgs, XtNumber(formArgs));
+
+ widget_list[0] = listWidget = XtCreateWidget("list",
+ listWidgetClass, formWidget, listArgs, XtNumber(listArgs));
+
+ widget_list[1] = labelWidget = XtCreateWidget("label",
+ labelWidgetClass, formWidget, labelArgs, XtNumber(labelArgs));
+
+ widget_list[2] = imageWidget = XtCreateWidget("image",
+ widgetClass, formWidget, imageArgs, XtNumber(imageArgs));
+
+ XtManageChildren(widget_list, XtNumber(widget_list));
+
+ /*
+ * initial widget sizes - for small images let xtiff size itself
+ */
+ if (tfImageWidth >= appData.viewportWidth) {
+ XtSetArg(args[0], XtNwidth, appData.viewportWidth);
+ XtSetValues(shellWidget, args, 1);
+ }
+ if (tfImageHeight >= appData.viewportHeight) {
+ XtSetArg(args[0], XtNheight, appData.viewportHeight);
+ XtSetValues(shellWidget, args, 1);
+ }
+
+ XtSetArg(args[0], XtNwidth, tfImageWidth);
+ XtSetArg(args[1], XtNheight, tfImageHeight);
+ XtSetValues(imageWidget, args, 2);
+
+ /*
+ * formWidget uses these constraints but they are stored in the children.
+ */
+ XtSetArg(args[0], XtNfromVert, listWidget);
+ XtSetValues(imageWidget, args, 1);
+ XtSetArg(args[0], XtNfromHoriz, listWidget);
+ XtSetValues(labelWidget, args, 1);
+
+ SetNameLabel();
+
+ XtAddCallback(listWidget, XtNcallback, (XtCallbackProc) SelectProc,
+ (XtPointer) NULL);
+
+ XtAddActions(actionsTable, XtNumber(actionsTable));
+ XtSetArg(args[0], XtNtranslations,
+ XtParseTranslationTable(translationsTable));
+ XtSetValues(formWidget, &args[0], 1);
+ XtSetValues(imageWidget, &args[0], 1);
+
+ /*
+ * This is intended to be a little faster than going through
+ * the translation manager.
+ */
+ XtAddEventHandler(imageWidget, ExposureMask | ButtonPressMask
+ | ButtonReleaseMask | Button1MotionMask | KeyPressMask,
+ False, EventProc, NULL);
+
+ XtRealizeWidget(shellWidget);
+
+ window_attributes.cursor = XCreateFontCursor(xDisplay, XC_fleur);
+ XChangeWindowAttributes(xDisplay, XtWindow(imageWidget),
+ CWCursor, &window_attributes);
+
+ CreateXImage();
+
+ XtMainLoop();
+
+ return 0;
+}
+
+void
+OpenTIFFFile()
+{
+ if (tfFile != NULL)
+ TIFFClose(tfFile);
+
+ if ((tfFile = TIFFOpen(fileName, "r")) == NULL) {
+ fprintf(appData.verbose ? stderr : stdout,
+ "xtiff: can't open %s as a TIFF file\n", fileName);
+ exit(0);
+ }
+
+ tfMultiPage = (TIFFLastDirectory(tfFile) ? False : True);
+}
+
+void
+GetTIFFHeader()
+{
+ register int i;
+
+ if (!TIFFSetDirectory(tfFile, tfDirectory)) {
+ fprintf(stderr, "xtiff: can't seek to directory %d in %s\n",
+ tfDirectory, fileName);
+ exit(0);
+ }
+
+ TIFFGetField(tfFile, TIFFTAG_IMAGEWIDTH, &tfImageWidth);
+ TIFFGetField(tfFile, TIFFTAG_IMAGELENGTH, &tfImageHeight);
+
+ /*
+ * If the following tags aren't present then use the TIFF defaults.
+ */
+ TIFFGetFieldDefaulted(tfFile, TIFFTAG_BITSPERSAMPLE, &tfBitsPerSample);
+ TIFFGetFieldDefaulted(tfFile, TIFFTAG_SAMPLESPERPIXEL, &tfSamplesPerPixel);
+ TIFFGetFieldDefaulted(tfFile, TIFFTAG_PLANARCONFIG, &tfPlanarConfiguration);
+ TIFFGetFieldDefaulted(tfFile, TIFFTAG_GRAYRESPONSEUNIT, &tfGrayResponseUnit);
+
+ tfUnitMap = tfGrayResponseUnitMap[tfGrayResponseUnit];
+ colormapSize = 1 << tfBitsPerSample;
+ tfImageDepth = tfBitsPerSample * tfSamplesPerPixel;
+
+ dRed = (double *) malloc(colormapSize * sizeof(double));
+ dGreen = (double *) malloc(colormapSize * sizeof(double));
+ dBlue = (double *) malloc(colormapSize * sizeof(double));
+ MCHECK(dRed); MCHECK(dGreen); MCHECK(dBlue);
+
+ /*
+ * If TIFFTAG_PHOTOMETRIC is not present then assign a reasonable default.
+ * The TIFF 5.0 specification doesn't give a default.
+ */
+ if (!TIFFGetField(tfFile, TIFFTAG_PHOTOMETRIC,
+ &tfPhotometricInterpretation)) {
+ if (tfSamplesPerPixel != 1)
+ tfPhotometricInterpretation = PHOTOMETRIC_RGB;
+ else if (tfBitsPerSample == 1)
+ tfPhotometricInterpretation = PHOTOMETRIC_MINISBLACK;
+ else if (TIFFGetField(tfFile, TIFFTAG_COLORMAP,
+ &redMap, &greenMap, &blueMap)) {
+ tfPhotometricInterpretation = PHOTOMETRIC_PALETTE;
+ redMap = greenMap = blueMap = NULL;
+ } else
+ tfPhotometricInterpretation = PHOTOMETRIC_MINISBLACK;
+ }
+
+ /*
+ * Given TIFFTAG_PHOTOMETRIC extract or create the response curves.
+ */
+ switch (tfPhotometricInterpretation) {
+ case PHOTOMETRIC_RGB:
+ redMap = (uint16 *) malloc(colormapSize * sizeof(uint16));
+ greenMap = (uint16 *) malloc(colormapSize * sizeof(uint16));
+ blueMap = (uint16 *) malloc(colormapSize * sizeof(uint16));
+ MCHECK(redMap); MCHECK(greenMap); MCHECK(blueMap);
+ for (i = 0; i < colormapSize; i++)
+ dRed[i] = dGreen[i] = dBlue[i]
+ = (double) SCALE(i, colormapSize - 1);
+ break;
+ case PHOTOMETRIC_PALETTE:
+ if (!TIFFGetField(tfFile, TIFFTAG_COLORMAP,
+ &redMap, &greenMap, &blueMap)) {
+ redMap = (uint16 *) malloc(colormapSize * sizeof(uint16));
+ greenMap = (uint16 *) malloc(colormapSize * sizeof(uint16));
+ blueMap = (uint16 *) malloc(colormapSize * sizeof(uint16));
+ MCHECK(redMap); MCHECK(greenMap); MCHECK(blueMap);
+ for (i = 0; i < colormapSize; i++)
+ dRed[i] = dGreen[i] = dBlue[i]
+ = (double) SCALE(i, colormapSize - 1);
+ } else {
+ CheckAndCorrectColormap();
+ for (i = 0; i < colormapSize; i++) {
+ dRed[i] = (double) redMap[i];
+ dGreen[i] = (double) greenMap[i];
+ dBlue[i] = (double) blueMap[i];
+ }
+ }
+ break;
+ case PHOTOMETRIC_MINISWHITE:
+ redMap = (uint16 *) malloc(colormapSize * sizeof(uint16));
+ greenMap = (uint16 *) malloc(colormapSize * sizeof(uint16));
+ blueMap = (uint16 *) malloc(colormapSize * sizeof(uint16));
+ MCHECK(redMap); MCHECK(greenMap); MCHECK(blueMap);
+ for (i = 0; i < colormapSize; i++)
+ dRed[i] = dGreen[i] = dBlue[i] = (double)
+ SCALE(colormapSize-1-i, colormapSize-1);
+ break;
+ case PHOTOMETRIC_MINISBLACK:
+ redMap = (uint16 *) malloc(colormapSize * sizeof(uint16));
+ greenMap = (uint16 *) malloc(colormapSize * sizeof(uint16));
+ blueMap = (uint16 *) malloc(colormapSize * sizeof(uint16));
+ MCHECK(redMap); MCHECK(greenMap); MCHECK(blueMap);
+ for (i = 0; i < colormapSize; i++)
+ dRed[i] = dGreen[i] = dBlue[i] = (double) SCALE(i, colormapSize-1);
+ break;
+ default:
+ fprintf(stderr,
+ "xtiff: can't display photometric interpretation type %d\n",
+ tfPhotometricInterpretation);
+ exit(0);
+ }
+}
+
+void
+SetNameLabel()
+{
+ char buffer[BUFSIZ];
+ Arg args[1];
+
+ if (tfMultiPage)
+ snprintf(buffer, sizeof(buffer), "%s - page %d", fileName, tfDirectory);
+ else
+ snprintf(buffer, sizeof(buffer), "%s", fileName);
+ XtSetArg(args[0], XtNlabel, buffer);
+ XtSetValues(labelWidget, args, 1);
+}
+
+/*
+ * Many programs get TIFF colormaps wrong. They use 8-bit colormaps instead of
+ * 16-bit colormaps. This function is a heuristic to detect and correct this.
+ */
+void
+CheckAndCorrectColormap()
+{
+ register int i;
+
+ for (i = 0; i < colormapSize; i++)
+ if ((redMap[i] > 255) || (greenMap[i] > 255) || (blueMap[i] > 255))
+ return;
+
+ for (i = 0; i < colormapSize; i++) {
+ redMap[i] = SCALE(redMap[i], 255);
+ greenMap[i] = SCALE(greenMap[i], 255);
+ blueMap[i] = SCALE(blueMap[i], 255);
+ }
+ TIFFWarning(fileName, "Assuming 8-bit colormap");
+}
+
+void
+SimpleGammaCorrection()
+{
+ register int i;
+ register double i_gamma = 1.0 / appData.gamma;
+
+ for (i = 0; i < colormapSize; i++) {
+ if (((tfPhotometricInterpretation == PHOTOMETRIC_MINISWHITE)
+ && (i == colormapSize - 1))
+ || ((tfPhotometricInterpretation == PHOTOMETRIC_MINISBLACK)
+ && (i == 0)))
+ redMap[i] = greenMap[i] = blueMap[i] = 0;
+ else {
+ redMap[i] = ROUND((pow(dRed[i] / 65535.0, i_gamma) * 65535.0));
+ greenMap[i] = ROUND((pow(dGreen[i] / 65535.0, i_gamma) * 65535.0));
+ blueMap[i] = ROUND((pow(dBlue[i] / 65535.0, i_gamma) * 65535.0));
+ }
+ }
+
+ free(dRed); free(dGreen); free(dBlue);
+}
+
+static char* classNames[] = {
+ "StaticGray",
+ "GrayScale",
+ "StaticColor",
+ "PseudoColor",
+ "TrueColor",
+ "DirectColor"
+};
+
+/*
+ * Current limitation: the visual is set initially by the first file.
+ * It cannot be changed.
+ */
+void
+GetVisual()
+{
+ XColor *colors = NULL;
+ unsigned long *pixels = NULL;
+ unsigned long i;
+
+ switch (tfImageDepth) {
+ /*
+ * X really wants a 32-bit image with the fourth channel unused,
+ * but the visual structure thinks it's 24-bit. bitmap_unit is 32.
+ */
+ case 32:
+ case 24:
+ if (SearchVisualList(24, DirectColor, &xVisual) == False) {
+ fprintf(stderr, "xtiff: 24-bit DirectColor visual not available\n");
+ exit(0);
+ }
+
+ colors = (XColor *) malloc(3 * colormapSize * sizeof(XColor));
+ MCHECK(colors);
+
+ for (i = 0; i < colormapSize; i++) {
+ colors[i].pixel = (i << 16) + (i << 8) + i;
+ colors[i].red = redMap[i];
+ colors[i].green = greenMap[i];
+ colors[i].blue = blueMap[i];
+ colors[i].flags = DoRed | DoGreen | DoBlue;
+ }
+
+ xColormap = XCreateColormap(xDisplay, RootWindow(xDisplay, xScreen),
+ xVisual, AllocAll);
+ XStoreColors(xDisplay, xColormap, colors, colormapSize);
+ break;
+ case 8:
+ case 4:
+ case 2:
+ /*
+ * We assume that systems with 24-bit visuals also have 8-bit visuals.
+ * We don't promote from 8-bit PseudoColor to 24/32 bit DirectColor.
+ */
+ switch (tfPhotometricInterpretation) {
+ case PHOTOMETRIC_MINISWHITE:
+ case PHOTOMETRIC_MINISBLACK:
+ if (SearchVisualList((int) tfImageDepth, GrayScale, &xVisual) == True)
+ break;
+ case PHOTOMETRIC_PALETTE:
+ if (SearchVisualList((int) tfImageDepth, PseudoColor, &xVisual) == True)
+ break;
+ default:
+ fprintf(stderr, "xtiff: Unsupported TIFF/X configuration\n");
+ exit(0);
+ }
+
+ colors = (XColor *) malloc(colormapSize * sizeof(XColor));
+ MCHECK(colors);
+
+ for (i = 0; i < colormapSize; i++) {
+ colors[i].pixel = i;
+ colors[i].red = redMap[i];
+ colors[i].green = greenMap[i];
+ colors[i].blue = blueMap[i];
+ colors[i].flags = DoRed | DoGreen | DoBlue;
+ }
+
+ /*
+ * xtiff's colormap allocation is private. It does not attempt
+ * to detect whether any existing colormap entries are suitable
+ * for its use. This will cause colormap flashing. Furthermore,
+ * background and foreground are taken from the environment.
+ * For example, the foreground color may be red when the visual
+ * is GrayScale. If the colormap is completely populated,
+ * Xt will not be able to allocate fg and bg.
+ */
+ if (tfImageDepth == 8)
+ xColormap = XCreateColormap(xDisplay, RootWindow(xDisplay, xScreen),
+ xVisual, AllocAll);
+ else {
+ xColormap = XCreateColormap(xDisplay, RootWindow(xDisplay, xScreen),
+ xVisual, AllocNone);
+ pixels = (unsigned long *)
+ malloc(colormapSize * sizeof(unsigned long));
+ MCHECK(pixels);
+ (void) XAllocColorCells(xDisplay, xColormap, True,
+ NULL, 0, pixels, colormapSize);
+ basePixel = (unsigned char) pixels[0];
+ free(pixels);
+ }
+ XStoreColors(xDisplay, xColormap, colors, colormapSize);
+ break;
+ case 1:
+ xImageDepth = 1;
+ xVisual = DefaultVisual(xDisplay, xScreen);
+ xColormap = DefaultColormap(xDisplay, xScreen);
+ break;
+ default:
+ fprintf(stderr, "xtiff: unsupported image depth %d\n", tfImageDepth);
+ exit(0);
+ }
+
+ if (appData.verbose == True)
+ fprintf(stderr, "%s: Using %d-bit %s visual.\n",
+ fileName, xImageDepth, classNames[xVisual->class]);
+
+ if (colors != NULL)
+ free(colors);
+ if (grayMap != NULL)
+ free(grayMap);
+ if (redMap != NULL)
+ free(redMap);
+ if (greenMap != NULL)
+ free(greenMap);
+ if (blueMap != NULL)
+ free(blueMap);
+
+ colors = NULL; grayMap = redMap = greenMap = blueMap = NULL;
+}
+
+/*
+ * Search for an appropriate visual. Promote where necessary.
+ * Check to make sure that ENOUGH colormap entries are writeable.
+ * basePixel was determined when XAllocColorCells() contiguously
+ * allocated enough entries. basePixel is used below in GetTIFFImage.
+ */
+Boolean
+SearchVisualList(image_depth, visual_class, visual)
+ int image_depth, visual_class;
+ Visual **visual;
+{
+ XVisualInfo template_visual, *visual_list, *vl;
+ int i, n_visuals;
+
+ template_visual.screen = xScreen;
+ vl = visual_list = XGetVisualInfo(xDisplay, VisualScreenMask,
+ &template_visual, &n_visuals);
+
+ if (n_visuals == 0) {
+ fprintf(stderr, "xtiff: visual list not available\n");
+ exit(0);
+ }
+
+ for (i = 0; i < n_visuals; vl++, i++) {
+ if ((vl->class == visual_class) && (vl->depth >= image_depth)
+ && (vl->visual->map_entries >= (1 << vl->depth))) {
+ *visual = vl->visual;
+ xImageDepth = vl->depth;
+ xRedMask = vl->red_mask;
+ xGreenMask = vl->green_mask;
+ xBlueMask = vl->blue_mask;
+ XFree((char *) visual_list);
+ return True;
+ }
+ }
+
+ XFree((char *) visual_list);
+ return False;
+}
+
+void
+GetTIFFImage()
+{
+ int pixel_map[3], red_shift, green_shift, blue_shift;
+ char *scan_line, *output_p, *input_p;
+ uint32 i, j;
+ uint16 s;
+
+ scan_line = (char *) malloc(tfBytesPerRow = TIFFScanlineSize(tfFile));
+ MCHECK(scan_line);
+
+ if ((tfImageDepth == 32) || (tfImageDepth == 24)) {
+ output_p = imageMemory = (char *)
+ malloc(tfImageWidth * tfImageHeight * 4);
+ MCHECK(imageMemory);
+
+ /*
+ * Handle different color masks for different frame buffers.
+ */
+ if (ImageByteOrder(xDisplay) == LSBFirst) { /* DECstation 5000 */
+ red_shift = pixel_map[0] = xRedMask == 0xFF000000 ? 3
+ : (xRedMask == 0xFF0000 ? 2 : (xRedMask == 0xFF00 ? 1 : 0));
+ green_shift = pixel_map[1] = xGreenMask == 0xFF000000 ? 3
+ : (xGreenMask == 0xFF0000 ? 2 : (xGreenMask == 0xFF00 ? 1 : 0));
+ blue_shift = pixel_map[2] = xBlueMask == 0xFF000000 ? 3
+ : (xBlueMask == 0xFF0000 ? 2 : (xBlueMask == 0xFF00 ? 1 : 0));
+ } else { /* Ardent */
+ red_shift = pixel_map[0] = xRedMask == 0xFF000000 ? 0
+ : (xRedMask == 0xFF0000 ? 1 : (xRedMask == 0xFF00 ? 2 : 3));
+ green_shift = pixel_map[0] = xGreenMask == 0xFF000000 ? 0
+ : (xGreenMask == 0xFF0000 ? 1 : (xGreenMask == 0xFF00 ? 2 : 3));
+ blue_shift = pixel_map[0] = xBlueMask == 0xFF000000 ? 0
+ : (xBlueMask == 0xFF0000 ? 1 : (xBlueMask == 0xFF00 ? 2 : 3));
+ }
+
+ if (tfPlanarConfiguration == PLANARCONFIG_CONTIG) {
+ for (i = 0; i < tfImageHeight; i++) {
+ if (TIFFReadScanline(tfFile, scan_line, i, 0) < 0)
+ break;
+ for (input_p = scan_line, j = 0; j < tfImageWidth; j++) {
+ *(output_p + red_shift) = *input_p++;
+ *(output_p + green_shift) = *input_p++;
+ *(output_p + blue_shift) = *input_p++;
+ output_p += 4;
+ if (tfSamplesPerPixel == 4) /* skip the fourth channel */
+ input_p++;
+ }
+ }
+ } else {
+ for (s = 0; s < tfSamplesPerPixel; s++) {
+ if (s == 3) /* skip the fourth channel */
+ continue;
+ for (i = 0; i < tfImageHeight; i++) {
+ if (TIFFReadScanline(tfFile, scan_line, i, s) < 0)
+ break;
+ input_p = scan_line;
+ output_p = imageMemory + (i*tfImageWidth*4) + pixel_map[s];
+ for (j = 0; j < tfImageWidth; j++, output_p += 4)
+ *output_p = *input_p++;
+ }
+ }
+ }
+ } else {
+ if (xImageDepth == tfImageDepth) {
+ output_p = imageMemory = (char *)
+ malloc(tfBytesPerRow * tfImageHeight);
+ MCHECK(imageMemory);
+
+ for (i = 0; i < tfImageHeight; i++, output_p += tfBytesPerRow)
+ if (TIFFReadScanline(tfFile, output_p, i, 0) < 0)
+ break;
+ } else if ((xImageDepth == 8) && (tfImageDepth == 4)) {
+ output_p = imageMemory = (char *)
+ malloc(tfBytesPerRow * 2 * tfImageHeight + 2);
+ MCHECK(imageMemory);
+
+ /*
+ * If a scanline is of odd size the inner loop below will overshoot.
+ * This is handled very simply by recalculating the start point at
+ * each scanline and padding imageMemory a little at the end.
+ */
+ for (i = 0; i < tfImageHeight; i++) {
+ if (TIFFReadScanline(tfFile, scan_line, i, 0) < 0)
+ break;
+ output_p = &imageMemory[i * tfImageWidth];
+ input_p = scan_line;
+ for (j = 0; j < tfImageWidth; j += 2, input_p++) {
+ *output_p++ = (*input_p >> 4) + basePixel;
+ *output_p++ = (*input_p & 0xf) + basePixel;
+ }
+ }
+ } else if ((xImageDepth == 8) && (tfImageDepth == 2)) {
+ output_p = imageMemory = (char *)
+ malloc(tfBytesPerRow * 4 * tfImageHeight + 4);
+ MCHECK(imageMemory);
+
+ for (i = 0; i < tfImageHeight; i++) {
+ if (TIFFReadScanline(tfFile, scan_line, i, 0) < 0)
+ break;
+ output_p = &imageMemory[i * tfImageWidth];
+ input_p = scan_line;
+ for (j = 0; j < tfImageWidth; j += 4, input_p++) {
+ *output_p++ = (*input_p >> 6) + basePixel;
+ *output_p++ = ((*input_p >> 4) & 3) + basePixel;
+ *output_p++ = ((*input_p >> 2) & 3) + basePixel;
+ *output_p++ = (*input_p & 3) + basePixel;
+ }
+ }
+ } else if ((xImageDepth == 4) && (tfImageDepth == 2)) {
+ output_p = imageMemory = (char *)
+ malloc(tfBytesPerRow * 2 * tfImageHeight + 2);
+ MCHECK(imageMemory);
+
+ for (i = 0; i < tfImageHeight; i++) {
+ if (TIFFReadScanline(tfFile, scan_line, i, 0) < 0)
+ break;
+ output_p = &imageMemory[i * tfBytesPerRow * 2];
+ input_p = scan_line;
+ for (j = 0; j < tfImageWidth; j += 4, input_p++) {
+ *output_p++ = (((*input_p>>6) << 4)
+ | ((*input_p >> 4) & 3)) + basePixel;
+ *output_p++ = ((((*input_p>>2) & 3) << 4)
+ | (*input_p & 3)) + basePixel;
+ }
+ }
+ } else {
+ fprintf(stderr,
+ "xtiff: can't handle %d-bit TIFF file on an %d-bit display\n",
+ tfImageDepth, xImageDepth);
+ exit(0);
+ }
+ }
+
+ free(scan_line);
+}
+
+void
+CreateXImage()
+{
+ XGCValues gc_values;
+ GC bitmap_gc;
+
+ xOffset = yOffset = 0;
+ grabX = grabY = -1;
+
+ xImage = XCreateImage(xDisplay, xVisual, xImageDepth,
+ xImageDepth == 1 ? XYBitmap : ZPixmap, /* offset */ 0,
+ (char *) imageMemory, tfImageWidth, tfImageHeight,
+ /* bitmap_pad */ 8, /* bytes_per_line */ 0);
+
+ /*
+ * libtiff converts LSB data into MSB but doesn't change the FillOrder tag.
+ */
+ if (xImageDepth == 1)
+ xImage->bitmap_bit_order = MSBFirst;
+ if (xImageDepth <= 8)
+ xImage->byte_order = MSBFirst;
+
+ /*
+ * create an appropriate GC
+ */
+ gc_values.function = GXcopy;
+ gc_values.plane_mask = AllPlanes;
+ if (tfPhotometricInterpretation == PHOTOMETRIC_MINISBLACK) {
+ gc_values.foreground = XWhitePixel(xDisplay, xScreen);
+ gc_values.background = XBlackPixel(xDisplay, xScreen);
+ } else {
+ gc_values.foreground = XBlackPixel(xDisplay, xScreen);
+ gc_values.background = XWhitePixel(xDisplay, xScreen);
+ }
+ xWinGc = XCreateGC(xDisplay, XtWindow(shellWidget),
+ GCFunction | GCPlaneMask | GCForeground | GCBackground, &gc_values);
+
+ /*
+ * create the pixmap and load the image
+ */
+ if (appData.usePixmap == True) {
+ xImagePixmap = XCreatePixmap(xDisplay, RootWindow(xDisplay, xScreen),
+ xImage->width, xImage->height, xImageDepth);
+
+ /*
+ * According to the O'Reilly X Protocol Reference Manual, page 53,
+ * "A pixmap depth of one is always supported and listed, but windows
+ * of depth one might not be supported." Therefore we create a pixmap
+ * of depth one and use XCopyPlane(). This is idiomatic.
+ */
+ if (xImageDepth == 1) { /* just pass the bits through */
+ gc_values.foreground = 1; /* foreground describes set bits */
+ gc_values.background = 0; /* background describes clear bits */
+ bitmap_gc = XCreateGC(xDisplay, xImagePixmap,
+ GCForeground | GCBackground, &gc_values);
+ XPutImage(xDisplay, xImagePixmap, bitmap_gc, xImage,
+ 0, 0, 0, 0, xImage->width, xImage->height);
+ } else
+ XPutImage(xDisplay, xImagePixmap, xWinGc, xImage,
+ 0, 0, 0, 0, xImage->width, xImage->height);
+ XDestroyImage(xImage);
+ free(imageMemory);
+ }
+}
+
+XtCallbackProc
+SelectProc(w, unused_1, unused_2)
+ Widget w;
+ caddr_t unused_1;
+ caddr_t unused_2;
+{
+ XawListReturnStruct *list_return;
+
+ list_return = XawListShowCurrent(w);
+
+ switch (list_return->list_index) {
+ case ButtonQuit:
+ QuitProc();
+ break;
+ case ButtonPreviousPage:
+ PreviousProc();
+ break;
+ case ButtonNextPage:
+ NextProc();
+ break;
+ default:
+ fprintf(stderr, "error in SelectProc\n");
+ exit(0);
+ }
+ XawListUnhighlight(w);
+}
+
+void
+QuitProc(void)
+{
+ exit(0);
+}
+
+void
+NextProc()
+{
+ PageProc(ButtonNextPage);
+}
+
+void
+PreviousProc()
+{
+ PageProc(ButtonPreviousPage);
+}
+
+void
+PageProc(direction)
+ int direction;
+{
+ XEvent fake_event;
+ Arg args[4];
+
+ switch (direction) {
+ case ButtonPreviousPage:
+ if (tfDirectory > 0)
+ TIFFSetDirectory(tfFile, --tfDirectory);
+ else
+ return;
+ break;
+ case ButtonNextPage:
+ if (TIFFReadDirectory(tfFile) == True)
+ tfDirectory++;
+ else
+ return;
+ break;
+ default:
+ fprintf(stderr, "error in PageProc\n");
+ exit(0);
+ }
+
+ xOffset = yOffset = 0;
+ grabX = grabY = -1;
+
+ GetTIFFHeader();
+ SetNameLabel();
+ GetTIFFImage();
+
+ if (appData.usePixmap == True)
+ XFreePixmap(xDisplay, xImagePixmap);
+ else
+ XDestroyImage(xImage);
+
+ CreateXImage();
+
+ /*
+ * Using XtSetValues() to set the widget size causes a resize.
+ * This resize gets propagated up to the parent shell.
+ * In order to disable this visually disconcerting effect,
+ * shell resizing is temporarily disabled.
+ */
+ XtSetArg(args[0], XtNallowShellResize, False);
+ XtSetValues(shellWidget, args, 1);
+
+ XtSetArg(args[0], XtNwidth, tfImageWidth);
+ XtSetArg(args[1], XtNheight, tfImageHeight);
+ XtSetValues(imageWidget, args, 2);
+
+ XtSetArg(args[0], XtNallowShellResize, True);
+ XtSetValues(shellWidget, args, 1);
+
+ XClearWindow(xDisplay, XtWindow(imageWidget));
+
+ fake_event.type = Expose;
+ fake_event.xexpose.x = fake_event.xexpose.y = 0;
+ fake_event.xexpose.width = tfImageWidth; /* the window will clip */
+ fake_event.xexpose.height = tfImageHeight;
+ EventProc(imageWidget, NULL, &fake_event);
+}
+
+void
+EventProc(widget, unused, event)
+ Widget widget;
+ caddr_t unused;
+ XEvent *event;
+{
+ int ih, iw, ww, wh, sx, sy, w, h, dx, dy;
+ Dimension w_width, w_height;
+ XEvent next_event;
+ Arg args[2];
+
+ if (event->type == MappingNotify) {
+ XRefreshKeyboardMapping((XMappingEvent *) event);
+ return;
+ }
+
+ if (!XtIsRealized(widget))
+ return;
+
+ if ((event->type == ButtonPress) || (event->type == ButtonRelease))
+ if (event->xbutton.button != Button1)
+ return;
+
+ iw = tfImageWidth; /* avoid sign problems */
+ ih = tfImageHeight;
+
+ /*
+ * The grabX and grabY variables record where the user grabbed the image.
+ * They also record whether the mouse button is down or not.
+ */
+ if (event->type == ButtonPress) {
+ grabX = event->xbutton.x;
+ grabY = event->xbutton.y;
+ return;
+ }
+
+ /*
+ * imageWidget is a Core widget and doesn't get resized.
+ * So we calculate the size of its viewport here.
+ */
+ XtSetArg(args[0], XtNwidth, &w_width);
+ XtSetArg(args[1], XtNheight, &w_height);
+ XtGetValues(shellWidget, args, 2);
+ ww = w_width;
+ wh = w_height;
+ XtGetValues(listWidget, args, 2);
+ wh -= w_height;
+
+ switch (event->type) {
+ case Expose:
+ dx = event->xexpose.x;
+ dy = event->xexpose.y;
+ sx = dx + xOffset;
+ sy = dy + yOffset;
+ w = MIN(event->xexpose.width, iw);
+ h = MIN(event->xexpose.height, ih);
+ break;
+ case KeyPress:
+ if ((grabX >= 0) || (grabY >= 0)) /* Mouse button is still down */
+ return;
+ switch (XLookupKeysym((XKeyEvent *) event, /* KeySyms index */ 0)) {
+ case XK_Up:
+ if (ih < wh) /* Don't scroll if the window fits the image. */
+ return;
+ sy = yOffset + appData.translate;
+ sy = MIN(ih - wh, sy);
+ if (sy == yOffset) /* Filter redundant stationary refreshes. */
+ return;
+ yOffset = sy;
+ sx = xOffset;
+ dx = dy = 0;
+ w = ww; h = wh;
+ break;
+ case XK_Down:
+ if (ih < wh)
+ return;
+ sy = yOffset - appData.translate;
+ sy = MAX(sy, 0);
+ if (sy == yOffset)
+ return;
+ yOffset = sy;
+ sx = xOffset;
+ dx = dy = 0;
+ w = ww; h = wh;
+ break;
+ case XK_Left:
+ if (iw < ww)
+ return;
+ sx = xOffset + appData.translate;
+ sx = MIN(iw - ww, sx);
+ if (sx == xOffset)
+ return;
+ xOffset = sx;
+ sy = yOffset;
+ dx = dy = 0;
+ w = ww; h = wh;
+ break;
+ case XK_Right:
+ if (iw < ww)
+ return;
+ sx = xOffset - appData.translate;
+ sx = MAX(sx, 0);
+ if (sx == xOffset)
+ return;
+ xOffset = sx;
+ sy = yOffset;
+ dx = dy = 0;
+ w = ww; h = wh;
+ break;
+ default:
+ return;
+ }
+ break;
+ case MotionNotify:
+ /*
+ * MotionEvent compression. Ignore multiple motion events.
+ * Ignore motion events if the mouse button is up.
+ */
+ if (XPending(xDisplay)) /* Xlib doesn't flush the output buffer */
+ if (XtPeekEvent(&next_event))
+ if (next_event.type == MotionNotify)
+ return;
+ if ((grabX < 0) || (grabY < 0))
+ return;
+ sx = xOffset + grabX - (int) event->xmotion.x;
+ if (sx >= (iw - ww)) /* clamp x motion but allow y motion */
+ sx = iw - ww;
+ sx = MAX(sx, 0);
+ sy = yOffset + grabY - (int) event->xmotion.y;
+ if (sy >= (ih - wh)) /* clamp y motion but allow x motion */
+ sy = ih - wh;
+ sy = MAX(sy, 0);
+ if ((sx == xOffset) && (sy == yOffset))
+ return;
+ dx = dy = 0;
+ w = ww; h = wh;
+ break;
+ case ButtonRelease:
+ xOffset = xOffset + grabX - (int) event->xbutton.x;
+ xOffset = MIN(iw - ww, xOffset);
+ xOffset = MAX(xOffset, 0);
+ yOffset = yOffset + grabY - (int) event->xbutton.y;
+ yOffset = MIN(ih - wh, yOffset);
+ yOffset = MAX(yOffset, 0);
+ grabX = grabY = -1;
+ default:
+ return;
+ }
+
+ if (appData.usePixmap == True) {
+ if (xImageDepth == 1)
+ XCopyPlane(xDisplay, xImagePixmap, XtWindow(widget),
+ xWinGc, sx, sy, w, h, dx, dy, 1);
+ else
+ XCopyArea(xDisplay, xImagePixmap, XtWindow(widget),
+ xWinGc, sx, sy, w, h, dx, dy);
+ } else
+ XPutImage(xDisplay, XtWindow(widget), xWinGc, xImage,
+ sx, sy, dx, dy, w, h);
+}
+
+void
+ResizeProc()
+{
+ Dimension w_width, w_height;
+ int xo, yo, ww, wh;
+ XEvent fake_event;
+ Arg args[2];
+
+ if ((xOffset == 0) && (yOffset == 0))
+ return;
+
+ XtSetArg(args[0], XtNwidth, &w_width);
+ XtSetArg(args[1], XtNheight, &w_height);
+ XtGetValues(shellWidget, args, 2);
+ ww = w_width;
+ wh = w_height;
+ XtGetValues(listWidget, args, 2);
+ wh -= w_height;
+
+ xo = xOffset; yo = yOffset;
+
+ if ((xOffset + ww) >= tfImageWidth)
+ xOffset = MAX((int) tfImageWidth - ww, 0);
+ if ((yOffset + wh) >= tfImageHeight)
+ yOffset = MAX((int) tfImageHeight - wh, 0);
+
+ /*
+ * Send an ExposeEvent if the origin changed.
+ * We have to do this because of the use and semantics of bit gravity.
+ */
+ if ((xo != xOffset) || (yo != yOffset)) {
+ fake_event.type = Expose;
+ fake_event.xexpose.x = fake_event.xexpose.y = 0;
+ fake_event.xexpose.width = tfImageWidth;
+ fake_event.xexpose.height = tfImageHeight;
+ EventProc(imageWidget, NULL, &fake_event);
+ }
+}
+
+int
+XTiffErrorHandler(display, error_event)
+ Display *display;
+ XErrorEvent *error_event;
+{
+ char message[80];
+
+ /*
+ * Some X servers limit the size of pixmaps.
+ */
+ if ((error_event->error_code == BadAlloc)
+ && (error_event->request_code == X_CreatePixmap))
+ fprintf(stderr, "xtiff: requested pixmap too big for display\n");
+ else {
+ XGetErrorText(display, error_event->error_code, message, 80);
+ fprintf(stderr, "xtiff: error code %s\n", message);
+ }
+
+ exit(0);
+}
+
+void
+Usage()
+{
+ fprintf(stderr, "Usage xtiff: [options] tiff-file\n");
+ fprintf(stderr, "\tstandard Xt options\n");
+ fprintf(stderr, "\t[-help]\n");
+ fprintf(stderr, "\t[-gamma gamma]\n");
+ fprintf(stderr, "\t[-usePixmap (True | False)]\n");
+ fprintf(stderr, "\t[-viewportWidth pixels]\n");
+ fprintf(stderr, "\t[-viewportHeight pixels]\n");
+ fprintf(stderr, "\t[-translate pixels]\n");
+ fprintf(stderr, "\t[-verbose (True | False)]\n");
+ exit(0);
+}
+
+/* vim: set ts=8 sts=8 sw=8 noet: */
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 8
+ * fill-column: 78
+ * End:
+ */
diff --git a/tiff/contrib/dbs/xtiff/xtifficon.h b/tiff/contrib/dbs/xtiff/xtifficon.h
new file mode 100755
index 0000000..3eac48e
--- /dev/null
+++ b/tiff/contrib/dbs/xtiff/xtifficon.h
@@ -0,0 +1,21 @@
+#define xtifficon_width 32
+#define xtifficon_height 32
+static char xtifficon_bits[] = {
+ 0xff, 0x00, 0x00, 0xc0, 0xfe, 0x01, 0x7e, 0xc0, 0xfc, 0x03, 0x7e, 0x60,
+ 0xf8, 0x07, 0x06, 0x30, 0xf8, 0x07, 0x1e, 0x18, 0xf0, 0x0f, 0x1e, 0x0c,
+ 0xe0, 0x1f, 0x06, 0x06, 0xc0, 0x3f, 0x06, 0x06, 0xc0, 0x3f, 0x06, 0x03,
+ 0x80, 0x7f, 0x80, 0x01, 0x00, 0xff, 0xc0, 0x00, 0x00, 0xfe, 0x61, 0x00,
+ 0x00, 0xfe, 0x31, 0x7e, 0x7e, 0xfc, 0x33, 0x7e, 0x7e, 0xf8, 0x1b, 0x06,
+ 0x18, 0xf0, 0x0d, 0x1e, 0x18, 0xf0, 0x0e, 0x1e, 0x18, 0x60, 0x1f, 0x06,
+ 0x18, 0xb0, 0x3f, 0x06, 0x18, 0x98, 0x7f, 0x06, 0x18, 0x98, 0x7f, 0x00,
+ 0x00, 0x0c, 0xff, 0x00, 0x00, 0x06, 0xfe, 0x01, 0x00, 0x63, 0xfc, 0x03,
+ 0x80, 0x61, 0xfc, 0x03, 0xc0, 0x60, 0xf8, 0x07, 0xc0, 0x60, 0xf0, 0x0f,
+ 0x60, 0x60, 0xe0, 0x1f, 0x30, 0x60, 0xe0, 0x1f, 0x18, 0x60, 0xc0, 0x3f,
+ 0x0c, 0x60, 0x80, 0x7f, 0x06, 0x00, 0x00, 0xff};
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 8
+ * fill-column: 78
+ * End:
+ */