netpbm/netpbm-use-byrow-when-needed.patch

78 lines
2.5 KiB
Diff

Index: netpbm-11.5.2/converter/other/tifftopnm.c
===================================================================
--- netpbm-11.5.2.orig/converter/other/tifftopnm.c
+++ netpbm-11.5.2/converter/other/tifftopnm.c
@@ -1393,7 +1393,7 @@ convertRasterByRows(pnmOut * const
-static void
+static int
warnBrokenTiffLibrary(TIFF * const tiffP) {
/* TIFF library bug:
@@ -1423,6 +1423,7 @@ warnBrokenTiffLibrary(TIFF * const tiffP
unsigned short tiffOrientation;
int fldPresent;
+ int broken = false;
fldPresent = TIFFGetField(tiffP, TIFFTAG_ORIENTATION, &tiffOrientation);
if (fldPresent) {
switch (tiffOrientation) {
@@ -1432,10 +1433,12 @@ warnBrokenTiffLibrary(TIFF * const tiffP
case ORIENTATION_LEFTBOT:
pm_message("WARNING: This TIFF image has an orientation that "
"most TIFF libraries convert incorrectly. "
- "Use -byrow to circumvent.");
+ "Using -byrow to circumvent.");
+ broken = true;
break;
}
}
+ return broken;
}
@@ -1562,8 +1565,6 @@ convertRasterInMemory(pnmOut *
if (verbose)
pm_message("Converting in memory ...");
- warnBrokenTiffLibrary(tif);
-
ok = TIFFRGBAImageOK(tif, emsg);
if (!ok) {
pm_message("%s", emsg);
@@ -1662,7 +1663,7 @@ convertImage(TIFF * const ti
xelval maxval;
xel colormap[MAXCOLORS];
unsigned short fillorder;
- bool flipOk, noflipOk;
+ bool flipOk, noflipOk, byrow;
pnmOut pnmOut;
readDirectory(tifP, cmdline.headerdump, &tiffDir);
@@ -1674,15 +1675,21 @@ convertImage(TIFF * const ti
pm_message("writing %s file", pnm_formattypenm(format));
+ byrow = cmdline.byrow;
+ if (warnBrokenTiffLibrary(tifP)) {
+ /* force byrow true: http://bugzilla.maptools.org/show_bug.cgi?id=2654#c9 */
+ byrow = true;
+ }
+
pnmOut_init(imageoutFileP, alphaFileP, tiffDir.width, tiffDir.height,
tiffDir.orientation, maxval, format, maxval,
- cmdline.byrow, cmdline.orientraw,
+ byrow, cmdline.orientraw,
cmdline.verbose,
&flipOk, &noflipOk,
&pnmOut);
convertRaster(&pnmOut, tifP, tiffDir, maxval,
- fillorder, colormap, cmdline.byrow, flipOk, noflipOk,
+ fillorder, colormap, byrow, flipOk, noflipOk,
cmdline.verbose);
pnmOut_term(&pnmOut, cmdline.verbose);