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-rw-r--r--poky/meta/recipes-multimedia/libtiff/tiff/0001-tiffcrop-Fix-issue-330-and-some-more-from-320-to-349.patch607
1 files changed, 607 insertions, 0 deletions
diff --git a/poky/meta/recipes-multimedia/libtiff/tiff/0001-tiffcrop-Fix-issue-330-and-some-more-from-320-to-349.patch b/poky/meta/recipes-multimedia/libtiff/tiff/0001-tiffcrop-Fix-issue-330-and-some-more-from-320-to-349.patch
new file mode 100644
index 0000000000..7c4feabc38
--- /dev/null
+++ b/poky/meta/recipes-multimedia/libtiff/tiff/0001-tiffcrop-Fix-issue-330-and-some-more-from-320-to-349.patch
@@ -0,0 +1,607 @@
+From 0ab805f46f68500da3b49d6f89380bab169bf6bb Mon Sep 17 00:00:00 2001
+From: Su Laus <sulau@freenet.de>
+Date: Tue, 10 May 2022 20:03:17 +0000
+Subject: [PATCH] tiffcrop: Fix issue #330 and some more from 320 to 349
+
+Upstream-Status: Backport
+Signed-off-by: Zheng Qiu <zheng.qiu@windriver.com>
+---
+ tools/tiffcrop.c | 282 +++++++++++++++++++++++++++++++++++------------
+ 1 file changed, 210 insertions(+), 72 deletions(-)
+
+diff --git a/tools/tiffcrop.c b/tools/tiffcrop.c
+index 99e4208..b596f9e 100644
+--- a/tools/tiffcrop.c
++++ b/tools/tiffcrop.c
+@@ -63,20 +63,24 @@
+ * units when sectioning image into columns x rows
+ * using the -S cols:rows option.
+ * -X # Horizontal dimension of region to extract expressed in current
+- * units
++ * units, relative to the specified origin reference 'edge' left (default for X) or right.
+ * -Y # Vertical dimension of region to extract expressed in current
+- * units
++ * units, relative to the specified origin reference 'edge' top (default for Y) or bottom.
+ * -O orient Orientation for output image, portrait, landscape, auto
+ * -P page Page size for output image segments, eg letter, legal, tabloid,
+ * etc.
+ * -S cols:rows Divide the image into equal sized segments using cols across
+ * and rows down
+- * -E t|l|r|b Edge to use as origin
++ * -E t|l|r|b Edge to use as origin (i.e. 'side' of the image not 'corner')
++ * top = width from left, zones from top to bottom (default)
++ * bottom = width from left, zones from bottom to top
++ * left = zones from left to right, length from top
++ * right = zones from right to left, length from top
+ * -m #,#,#,# Margins from edges for selection: top, left, bottom, right
+ * (commas separated)
+ * -Z #:#,#:# Zones of the image designated as zone X of Y,
+ * eg 1:3 would be first of three equal portions measured
+- * from reference edge
++ * from reference edge (i.e. 'side' not corner)
+ * -N odd|even|#,#-#,#|last
+ * Select sequences and/or ranges of images within file
+ * to process. The words odd or even may be used to specify
+@@ -103,10 +107,13 @@
+ * selects which functions dump data, with higher numbers selecting
+ * lower level, scanline level routines. Debug reports a limited set
+ * of messages to monitor progress without enabling dump logs.
++ *
++ * Note: The (-X|-Y), -Z and -z options are mutually exclusive.
++ * In no case should the options be applied to a given selection successively.
+ */
+
+-static char tiffcrop_version_id[] = "2.4.1";
+-static char tiffcrop_rev_date[] = "03-03-2010";
++static char tiffcrop_version_id[] = "2.5";
++static char tiffcrop_rev_date[] = "02-09-2022";
+
+ #include "tif_config.h"
+ #include "libport.h"
+@@ -774,6 +781,9 @@ static const char usage_info[] =
+ " The four debug/dump options are independent, though it makes little sense to\n"
+ " specify a dump file without specifying a detail level.\n"
+ "\n"
++"Note: The (-X|-Y), -Z and -z options are mutually exclusive.\n"
++" In no case should the options be applied to a given selection successively.\n"
++"\n"
+ ;
+
+ /* This function could be modified to pass starting sample offset
+@@ -2123,6 +2133,15 @@ void process_command_opts (int argc, char *argv[], char *mp, char *mode, uint32
+ /*NOTREACHED*/
+ }
+ }
++ /*-- Check for not allowed combinations (e.g. -X, -Y and -Z and -z are mutually exclusive) --*/
++ char XY, Z, R;
++ XY = ((crop_data->crop_mode & CROP_WIDTH) || (crop_data->crop_mode & CROP_LENGTH));
++ Z = (crop_data->crop_mode & CROP_ZONES);
++ R = (crop_data->crop_mode & CROP_REGIONS);
++ if ((XY && Z) || (XY && R) || (Z && R)) {
++ TIFFError("tiffcrop input error", "The crop options(-X|-Y), -Z and -z are mutually exclusive.->Exit");
++ exit(EXIT_FAILURE);
++ }
+ } /* end process_command_opts */
+
+ /* Start a new output file if one has not been previously opened or
+@@ -2748,7 +2767,7 @@ extractContigSamplesBytes (uint8_t *in, uint8_t *out, uint32_t cols,
+ tsample_t count, uint32_t start, uint32_t end)
+ {
+ int i, bytes_per_sample, sindex;
+- uint32_t col, dst_rowsize, bit_offset;
++ uint32_t col, dst_rowsize, bit_offset, numcols;
+ uint32_t src_byte /*, src_bit */;
+ uint8_t *src = in;
+ uint8_t *dst = out;
+@@ -2759,6 +2778,10 @@ extractContigSamplesBytes (uint8_t *in, uint8_t *out, uint32_t cols,
+ return (1);
+ }
+
++ /* Number of extracted columns shall be kept as (end-start + 1). Otherwise buffer-overflow might occur.
++ * 'start' and 'col' count from 0 to (cols-1) but 'end' is to be set one after the index of the last column to be copied!
++ */
++ numcols = abs(end - start);
+ if ((start > end) || (start > cols))
+ {
+ TIFFError ("extractContigSamplesBytes",
+@@ -2771,6 +2794,9 @@ extractContigSamplesBytes (uint8_t *in, uint8_t *out, uint32_t cols,
+ "Invalid end column value %"PRIu32" ignored", end);
+ end = cols;
+ }
++ if (abs(end - start) > numcols) {
++ end = start + numcols;
++ }
+
+ dst_rowsize = (bps * (end - start) * count) / 8;
+
+@@ -2814,7 +2840,7 @@ extractContigSamples8bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ tsample_t count, uint32_t start, uint32_t end)
+ {
+ int ready_bits = 0, sindex = 0;
+- uint32_t col, src_byte, src_bit, bit_offset;
++ uint32_t col, src_byte, src_bit, bit_offset, numcols;
+ uint8_t maskbits = 0, matchbits = 0;
+ uint8_t buff1 = 0, buff2 = 0;
+ uint8_t *src = in;
+@@ -2826,6 +2852,10 @@ extractContigSamples8bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ return (1);
+ }
+
++ /* Number of extracted columns shall be kept as (end-start + 1). Otherwise buffer-overflow might occur.
++ * 'start' and 'col' count from 0 to (cols-1) but 'end' is to be set one after the index of the last column to be copied!
++ */
++ numcols = abs(end - start);
+ if ((start > end) || (start > cols))
+ {
+ TIFFError ("extractContigSamples8bits",
+@@ -2838,7 +2868,10 @@ extractContigSamples8bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ "Invalid end column value %"PRIu32" ignored", end);
+ end = cols;
+ }
+-
++ if (abs(end - start) > numcols) {
++ end = start + numcols;
++ }
++
+ ready_bits = 0;
+ maskbits = (uint8_t)-1 >> (8 - bps);
+ buff1 = buff2 = 0;
+@@ -2891,7 +2924,7 @@ extractContigSamples16bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ tsample_t count, uint32_t start, uint32_t end)
+ {
+ int ready_bits = 0, sindex = 0;
+- uint32_t col, src_byte, src_bit, bit_offset;
++ uint32_t col, src_byte, src_bit, bit_offset, numcols;
+ uint16_t maskbits = 0, matchbits = 0;
+ uint16_t buff1 = 0, buff2 = 0;
+ uint8_t bytebuff = 0;
+@@ -2904,6 +2937,10 @@ extractContigSamples16bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ return (1);
+ }
+
++ /* Number of extracted columns shall be kept as (end-start + 1). Otherwise buffer-overflow might occur.
++ * 'start' and 'col' count from 0 to (cols-1) but 'end' is to be set one after the index of the last column to be copied!
++ */
++ numcols = abs(end - start);
+ if ((start > end) || (start > cols))
+ {
+ TIFFError ("extractContigSamples16bits",
+@@ -2916,6 +2953,9 @@ extractContigSamples16bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ "Invalid end column value %"PRIu32" ignored", end);
+ end = cols;
+ }
++ if (abs(end - start) > numcols) {
++ end = start + numcols;
++ }
+
+ ready_bits = 0;
+ maskbits = (uint16_t)-1 >> (16 - bps);
+@@ -2980,7 +3020,7 @@ extractContigSamples24bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ tsample_t count, uint32_t start, uint32_t end)
+ {
+ int ready_bits = 0, sindex = 0;
+- uint32_t col, src_byte, src_bit, bit_offset;
++ uint32_t col, src_byte, src_bit, bit_offset, numcols;
+ uint32_t maskbits = 0, matchbits = 0;
+ uint32_t buff1 = 0, buff2 = 0;
+ uint8_t bytebuff1 = 0, bytebuff2 = 0;
+@@ -2993,6 +3033,10 @@ extractContigSamples24bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ return (1);
+ }
+
++ /* Number of extracted columns shall be kept as (end-start + 1). Otherwise buffer-overflow might occur.
++ * 'start' and 'col' count from 0 to (cols-1) but 'end' is to be set one after the index of the last column to be copied!
++ */
++ numcols = abs(end - start);
+ if ((start > end) || (start > cols))
+ {
+ TIFFError ("extractContigSamples24bits",
+@@ -3005,6 +3049,9 @@ extractContigSamples24bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ "Invalid end column value %"PRIu32" ignored", end);
+ end = cols;
+ }
++ if (abs(end - start) > numcols) {
++ end = start + numcols;
++ }
+
+ ready_bits = 0;
+ maskbits = (uint32_t)-1 >> (32 - bps);
+@@ -3089,7 +3136,7 @@ extractContigSamples32bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ tsample_t count, uint32_t start, uint32_t end)
+ {
+ int ready_bits = 0, sindex = 0 /*, shift_width = 0 */;
+- uint32_t col, src_byte, src_bit, bit_offset;
++ uint32_t col, src_byte, src_bit, bit_offset, numcols;
+ uint32_t longbuff1 = 0, longbuff2 = 0;
+ uint64_t maskbits = 0, matchbits = 0;
+ uint64_t buff1 = 0, buff2 = 0, buff3 = 0;
+@@ -3104,6 +3151,10 @@ extractContigSamples32bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ }
+
+
++ /* Number of extracted columns shall be kept as (end-start + 1). Otherwise buffer-overflow might occur.
++ * 'start' and 'col' count from 0 to (cols-1) but 'end' is to be set one after the index of the last column to be copied!
++ */
++ numcols = abs(end - start);
+ if ((start > end) || (start > cols))
+ {
+ TIFFError ("extractContigSamples32bits",
+@@ -3116,6 +3167,9 @@ extractContigSamples32bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ "Invalid end column value %"PRIu32" ignored", end);
+ end = cols;
+ }
++ if (abs(end - start) > numcols) {
++ end = start + numcols;
++ }
+
+ /* shift_width = ((bps + 7) / 8) + 1; */
+ ready_bits = 0;
+@@ -3195,7 +3249,7 @@ extractContigSamplesShifted8bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ int shift)
+ {
+ int ready_bits = 0, sindex = 0;
+- uint32_t col, src_byte, src_bit, bit_offset;
++ uint32_t col, src_byte, src_bit, bit_offset, numcols;
+ uint8_t maskbits = 0, matchbits = 0;
+ uint8_t buff1 = 0, buff2 = 0;
+ uint8_t *src = in;
+@@ -3207,6 +3261,10 @@ extractContigSamplesShifted8bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ return (1);
+ }
+
++ /* Number of extracted columns shall be kept as (end-start + 1). Otherwise buffer-overflow might occur.
++ * 'start' and 'col' count from 0 to (cols-1) but 'end' is to be set one after the index of the last column to be copied!
++ */
++ numcols = abs(end - start);
+ if ((start > end) || (start > cols))
+ {
+ TIFFError ("extractContigSamplesShifted8bits",
+@@ -3219,6 +3277,9 @@ extractContigSamplesShifted8bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ "Invalid end column value %"PRIu32" ignored", end);
+ end = cols;
+ }
++ if (abs(end - start) > numcols) {
++ end = start + numcols;
++ }
+
+ ready_bits = shift;
+ maskbits = (uint8_t)-1 >> (8 - bps);
+@@ -3275,7 +3336,7 @@ extractContigSamplesShifted16bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ int shift)
+ {
+ int ready_bits = 0, sindex = 0;
+- uint32_t col, src_byte, src_bit, bit_offset;
++ uint32_t col, src_byte, src_bit, bit_offset, numcols;
+ uint16_t maskbits = 0, matchbits = 0;
+ uint16_t buff1 = 0, buff2 = 0;
+ uint8_t bytebuff = 0;
+@@ -3288,6 +3349,10 @@ extractContigSamplesShifted16bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ return (1);
+ }
+
++ /* Number of extracted columns shall be kept as (end-start + 1). Otherwise buffer-overflow might occur.
++ * 'start' and 'col' count from 0 to (cols-1) but 'end' is to be set one after the index of the last column to be copied!
++ */
++ numcols = abs(end - start);
+ if ((start > end) || (start > cols))
+ {
+ TIFFError ("extractContigSamplesShifted16bits",
+@@ -3300,6 +3365,9 @@ extractContigSamplesShifted16bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ "Invalid end column value %"PRIu32" ignored", end);
+ end = cols;
+ }
++ if (abs(end - start) > numcols) {
++ end = start + numcols;
++ }
+
+ ready_bits = shift;
+ maskbits = (uint16_t)-1 >> (16 - bps);
+@@ -3365,7 +3433,7 @@ extractContigSamplesShifted24bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ int shift)
+ {
+ int ready_bits = 0, sindex = 0;
+- uint32_t col, src_byte, src_bit, bit_offset;
++ uint32_t col, src_byte, src_bit, bit_offset, numcols;
+ uint32_t maskbits = 0, matchbits = 0;
+ uint32_t buff1 = 0, buff2 = 0;
+ uint8_t bytebuff1 = 0, bytebuff2 = 0;
+@@ -3378,6 +3446,16 @@ extractContigSamplesShifted24bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ return (1);
+ }
+
++ /* Number of extracted columns shall be kept as (end-start + 1). Otherwise buffer-overflow might occur.
++ * 'start' and 'col' count from 0 to (cols-1) but 'end' is to be set one after the index of the last column to be copied!
++ */
++ /*--- Remark, which is true for all those functions extractCongigSamplesXXX() --
++ * The mitigation of the start/end test does not allways make sense, because the function is often called with e.g.:
++ * start = 31; end = 32; cols = 32 to extract the last column in a 32x32 sample image.
++ * If then, a worng parameter (e.g. cols = 10) is provided, the mitigated settings would be start=0; end=1.
++ * Therefore, an error message and no copy action might be the better reaction to wrong parameter configurations.
++ */
++ numcols = abs(end - start);
+ if ((start > end) || (start > cols))
+ {
+ TIFFError ("extractContigSamplesShifted24bits",
+@@ -3390,6 +3468,9 @@ extractContigSamplesShifted24bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ "Invalid end column value %"PRIu32" ignored", end);
+ end = cols;
+ }
++ if (abs(end - start) > numcols) {
++ end = start + numcols;
++ }
+
+ ready_bits = shift;
+ maskbits = (uint32_t)-1 >> (32 - bps);
+@@ -3451,7 +3532,7 @@ extractContigSamplesShifted24bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ buff2 = (buff2 << 8);
+ bytebuff2 = bytebuff1;
+ ready_bits -= 8;
+- }
++ }
+
+ return (0);
+ } /* end extractContigSamplesShifted24bits */
+@@ -3463,7 +3544,7 @@ extractContigSamplesShifted32bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ int shift)
+ {
+ int ready_bits = 0, sindex = 0 /*, shift_width = 0 */;
+- uint32_t col, src_byte, src_bit, bit_offset;
++ uint32_t col, src_byte, src_bit, bit_offset, numcols;
+ uint32_t longbuff1 = 0, longbuff2 = 0;
+ uint64_t maskbits = 0, matchbits = 0;
+ uint64_t buff1 = 0, buff2 = 0, buff3 = 0;
+@@ -3478,6 +3559,10 @@ extractContigSamplesShifted32bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ }
+
+
++ /* Number of extracted columns shall be kept as (end-start + 1). Otherwise buffer-overflow might occur.
++ * 'start' and 'col' count from 0 to (cols-1) but 'end' is to be set one after the index of the last column to be copied!
++ */
++ numcols = abs(end - start);
+ if ((start > end) || (start > cols))
+ {
+ TIFFError ("extractContigSamplesShifted32bits",
+@@ -3490,6 +3575,9 @@ extractContigSamplesShifted32bits (uint8_t *in, uint8_t *out, uint32_t cols,
+ "Invalid end column value %"PRIu32" ignored", end);
+ end = cols;
+ }
++ if (abs(end - start) > numcols) {
++ end = start + numcols;
++ }
+
+ /* shift_width = ((bps + 7) / 8) + 1; */
+ ready_bits = shift;
+@@ -5431,7 +5519,7 @@ getCropOffsets(struct image_data *image, struct crop_mask *crop, struct dump_opt
+ {
+ struct offset offsets;
+ int i;
+- int32_t test;
++ uint32_t uaux;
+ uint32_t seg, total, need_buff = 0;
+ uint32_t buffsize;
+ uint32_t zwidth, zlength;
+@@ -5512,8 +5600,13 @@ getCropOffsets(struct image_data *image, struct crop_mask *crop, struct dump_opt
+ seg = crop->zonelist[j].position;
+ total = crop->zonelist[j].total;
+
+- /* check for not allowed zone cases like 0:0; 4:3; etc. and skip that input */
++ /* check for not allowed zone cases like 0:0; 4:3; or negative ones etc. and skip that input */
++ if (crop->zonelist[j].position < 0 || crop->zonelist[j].total < 0) {
++ TIFFError("getCropOffsets", "Negative crop zone values %d:%d are not allowed, thus skipped.", crop->zonelist[j].position, crop->zonelist[j].total);
++ continue;
++ }
+ if (seg == 0 || total == 0 || seg > total) {
++ TIFFError("getCropOffsets", "Crop zone %d:%d is out of specification, thus skipped.", seg, total);
+ continue;
+ }
+
+@@ -5526,17 +5619,23 @@ getCropOffsets(struct image_data *image, struct crop_mask *crop, struct dump_opt
+
+ crop->regionlist[i].x1 = offsets.startx +
+ (uint32_t)(offsets.crop_width * 1.0 * (seg - 1) / total);
+- test = (int32_t)offsets.startx +
+- (int32_t)(offsets.crop_width * 1.0 * seg / total);
+- if (test < 1 )
+- crop->regionlist[i].x2 = 0;
+- else
+- {
+- if (test > (int32_t)(image->width - 1))
++ /* FAULT: IMHO in the old code here, the calculation of x2 was based on wrong assumtions. The whole image was assumed and 'endy' and 'starty' are not respected anymore!*/
++ /* NEW PROPOSED Code: Assumption: offsets are within image with top left corner as origin (0,0) and 'start' <= 'end'. */
++ if (crop->regionlist[i].x1 > offsets.endx) {
++ crop->regionlist[i].x1 = offsets.endx;
++ } else if (crop->regionlist[i].x1 >= image->width) {
++ crop->regionlist[i].x1 = image->width - 1;
++ }
++
++ crop->regionlist[i].x2 = offsets.startx + (uint32_t)(offsets.crop_width * 1.0 * seg / total);
++ if (crop->regionlist[i].x2 > 0) crop->regionlist[i].x2 = crop->regionlist[i].x2 - 1;
++ if (crop->regionlist[i].x2 < crop->regionlist[i].x1) {
++ crop->regionlist[i].x2 = crop->regionlist[i].x1;
++ } else if (crop->regionlist[i].x2 > offsets.endx) {
++ crop->regionlist[i].x2 = offsets.endx;
++ } else if (crop->regionlist[i].x2 >= image->width) {
+ crop->regionlist[i].x2 = image->width - 1;
+- else
+- crop->regionlist[i].x2 = test - 1;
+- }
++ }
+ zwidth = crop->regionlist[i].x2 - crop->regionlist[i].x1 + 1;
+
+ /* This is passed to extractCropZone or extractCompositeZones */
+@@ -5551,22 +5650,27 @@ getCropOffsets(struct image_data *image, struct crop_mask *crop, struct dump_opt
+ crop->regionlist[i].x1 = offsets.startx;
+ crop->regionlist[i].x2 = offsets.endx;
+
+- test = offsets.endy - (uint32_t)(offsets.crop_length * 1.0 * seg / total);
+- if (test < 1 )
+- crop->regionlist[i].y1 = 0;
+- else
+- crop->regionlist[i].y1 = test + 1;
++ /* FAULT: IMHO in the old code here, the calculation of y1/y2 was based on wrong assumtions. The whole image was assumed and 'endy' and 'starty' are not respected anymore!*/
++ /* NEW PROPOSED Code: Assumption: offsets are within image with top left corner as origin (0,0) and 'start' <= 'end'. */
++ uaux = (uint32_t)(offsets.crop_length * 1.0 * seg / total);
++ if (uaux <= offsets.endy + 1) {
++ crop->regionlist[i].y1 = offsets.endy - uaux + 1;
++ } else {
++ crop->regionlist[i].y1 = 0;
++ }
++ if (crop->regionlist[i].y1 < offsets.starty) {
++ crop->regionlist[i].y1 = offsets.starty;
++ }
+
+- test = offsets.endy - (offsets.crop_length * 1.0 * (seg - 1) / total);
+- if (test < 1 )
+- crop->regionlist[i].y2 = 0;
+- else
+- {
+- if (test > (int32_t)(image->length - 1))
+- crop->regionlist[i].y2 = image->length - 1;
+- else
+- crop->regionlist[i].y2 = test;
+- }
++ uaux = (uint32_t)(offsets.crop_length * 1.0 * (seg - 1) / total);
++ if (uaux <= offsets.endy) {
++ crop->regionlist[i].y2 = offsets.endy - uaux;
++ } else {
++ crop->regionlist[i].y2 = 0;
++ }
++ if (crop->regionlist[i].y2 < offsets.starty) {
++ crop->regionlist[i].y2 = offsets.starty;
++ }
+ zlength = crop->regionlist[i].y2 - crop->regionlist[i].y1 + 1;
+
+ /* This is passed to extractCropZone or extractCompositeZones */
+@@ -5577,32 +5681,42 @@ getCropOffsets(struct image_data *image, struct crop_mask *crop, struct dump_opt
+ crop->combined_width = (uint32_t)zwidth;
+ break;
+ case EDGE_RIGHT: /* zones from right to left, length from top */
+- zlength = offsets.crop_length;
+- crop->regionlist[i].y1 = offsets.starty;
+- crop->regionlist[i].y2 = offsets.endy;
+-
+- crop->regionlist[i].x1 = offsets.startx +
+- (uint32_t)(offsets.crop_width * (total - seg) * 1.0 / total);
+- test = offsets.startx +
+- (offsets.crop_width * (total - seg + 1) * 1.0 / total);
+- if (test < 1 )
+- crop->regionlist[i].x2 = 0;
+- else
+- {
+- if (test > (int32_t)(image->width - 1))
+- crop->regionlist[i].x2 = image->width - 1;
+- else
+- crop->regionlist[i].x2 = test - 1;
+- }
+- zwidth = crop->regionlist[i].x2 - crop->regionlist[i].x1 + 1;
++ zlength = offsets.crop_length;
++ crop->regionlist[i].y1 = offsets.starty;
++ crop->regionlist[i].y2 = offsets.endy;
++
++ crop->regionlist[i].x1 = offsets.startx +
++ (uint32_t)(offsets.crop_width * (total - seg) * 1.0 / total);
++ /* FAULT: IMHO from here on, the calculation of y2 are based on wrong assumtions. The whole image is assumed and 'endy' and 'starty' are not respected anymore!*/
++ /* NEW PROPOSED Code: Assumption: offsets are within image with top left corner as origin (0,0) and 'start' <= 'end'. */
++ uaux = (uint32_t)(offsets.crop_width * 1.0 * seg / total);
++ if (uaux <= offsets.endx + 1) {
++ crop->regionlist[i].x1 = offsets.endx - uaux + 1;
++ } else {
++ crop->regionlist[i].x1 = 0;
++ }
++ if (crop->regionlist[i].x1 < offsets.startx) {
++ crop->regionlist[i].x1 = offsets.startx;
++ }
+
+- /* This is passed to extractCropZone or extractCompositeZones */
+- crop->combined_length = (uint32_t)zlength;
+- if (crop->exp_mode == COMPOSITE_IMAGES)
+- crop->combined_width += (uint32_t)zwidth;
+- else
+- crop->combined_width = (uint32_t)zwidth;
+- break;
++ uaux = (uint32_t)(offsets.crop_width * 1.0 * (seg - 1) / total);
++ if (uaux <= offsets.endx) {
++ crop->regionlist[i].x2 = offsets.endx - uaux;
++ } else {
++ crop->regionlist[i].x2 = 0;
++ }
++ if (crop->regionlist[i].x2 < offsets.startx) {
++ crop->regionlist[i].x2 = offsets.startx;
++ }
++ zwidth = crop->regionlist[i].x2 - crop->regionlist[i].x1 + 1;
++
++ /* This is passed to extractCropZone or extractCompositeZones */
++ crop->combined_length = (uint32_t)zlength;
++ if (crop->exp_mode == COMPOSITE_IMAGES)
++ crop->combined_width += (uint32_t)zwidth;
++ else
++ crop->combined_width = (uint32_t)zwidth;
++ break;
+ case EDGE_TOP: /* width from left, zones from top to bottom */
+ default:
+ zwidth = offsets.crop_width;
+@@ -5610,6 +5724,14 @@ getCropOffsets(struct image_data *image, struct crop_mask *crop, struct dump_opt
+ crop->regionlist[i].x2 = offsets.endx;
+
+ crop->regionlist[i].y1 = offsets.starty + (uint32_t)(offsets.crop_length * 1.0 * (seg - 1) / total);
++ if (crop->regionlist[i].y1 > offsets.endy) {
++ crop->regionlist[i].y1 = offsets.endy;
++ } else if (crop->regionlist[i].y1 >= image->length) {
++ crop->regionlist[i].y1 = image->length - 1;
++ }
++
++ /* FAULT: IMHO from here on, the calculation of y2 are based on wrong assumtions. The whole image is assumed and 'endy' and 'starty' are not respected anymore!*/
++ /* OLD Code:
+ test = offsets.starty + (uint32_t)(offsets.crop_length * 1.0 * seg / total);
+ if (test < 1 )
+ crop->regionlist[i].y2 = 0;
+@@ -5620,6 +5742,18 @@ getCropOffsets(struct image_data *image, struct crop_mask *crop, struct dump_opt
+ else
+ crop->regionlist[i].y2 = test - 1;
+ }
++ */
++ /* NEW PROPOSED Code: Assumption: offsets are within image with top left corner as origin (0,0) and 'start' <= 'end'. */
++ crop->regionlist[i].y2 = offsets.starty + (uint32_t)(offsets.crop_length * 1.0 * seg / total);
++ if (crop->regionlist[i].y2 > 0)crop->regionlist[i].y2 = crop->regionlist[i].y2 - 1;
++ if (crop->regionlist[i].y2 < crop->regionlist[i].y1) {
++ crop->regionlist[i].y2 = crop->regionlist[i].y1;
++ } else if (crop->regionlist[i].y2 > offsets.endy) {
++ crop->regionlist[i].y2 = offsets.endy;
++ } else if (crop->regionlist[i].y2 >= image->length) {
++ crop->regionlist[i].y2 = image->length - 1;
++ }
++
+ zlength = crop->regionlist[i].y2 - crop->regionlist[i].y1 + 1;
+
+ /* This is passed to extractCropZone or extractCompositeZones */
+@@ -7543,7 +7677,8 @@ processCropSelections(struct image_data *image, struct crop_mask *crop,
+ total_width = total_length = 0;
+ for (i = 0; i < crop->selections; i++)
+ {
+- cropsize = crop->bufftotal;
++
++ cropsize = crop->bufftotal;
+ crop_buff = seg_buffs[i].buffer;
+ if (!crop_buff)
+ crop_buff = (unsigned char *)limitMalloc(cropsize);
+@@ -7632,6 +7767,9 @@ processCropSelections(struct image_data *image, struct crop_mask *crop,
+
+ if (crop->crop_mode & CROP_ROTATE) /* rotate should be last as it can reallocate the buffer */
+ {
++ /* rotateImage() changes image->width, ->length, ->xres and ->yres, what it schouldn't do here, when more than one section is processed.
++ * ToDo: Therefore rotateImage() and its usage has to be reworked (e.g. like mirrorImage()) !!
++ */
+ if (rotateImage(crop->rotation, image, &crop->regionlist[i].width,
+ &crop->regionlist[i].length, &crop_buff))
+ {
+@@ -7647,8 +7785,8 @@ processCropSelections(struct image_data *image, struct crop_mask *crop,
+ seg_buffs[i].size = (((crop->regionlist[i].width * image->bps + 7 ) / 8)
+ * image->spp) * crop->regionlist[i].length;
+ }
+- }
+- }
++ } /* for crop->selections loop */
++ } /* Separated Images (else case) */
+ return (0);
+ } /* end processCropSelections */
+