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CLI: make --mirror available in standard non-batch mode via

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new routines `mirror_start()`, `mirror_outfile()` & limit
  substitutions on Unix to backslash (Windows remains the same);
  restrict "borderwidth", "textgap", "vwhitesp", "whitesp" < 100
CODEONE: fix `ceilf()` -> `C1_MULT_CEIL()` in FAST_MODE encodation
  (improves/changes some encodation)
composite: preserve `gs1_verify()` warning using `warn_level` hack;
  fix wrong name `zint_dbar_omnstk_set_height()` ->
  `zint_dbar_stk_set_height()`;
  use new `zint_micropdf_variant()` & `zint_micropdf_expand()`
  routines (see below)
MICROPDF417: move variant determination into new shareable routine
  `zint_micropdf_variant()` & expansion into `zint_micropdf_expand()`
qzint: add helper methods `setbordertypevalue()`,
  `encodedinputmode()`, `encodedoutputoptions()`,
  `ecivaluetoeciindex()` and `eciindextoecivalue()`
dbar: for performance pre-calculate `combins()` as array
coverage: add `malloc()`-type failure testing to AZTEC,
  CONTENT_SEGS, MEMORY_FILE, raster, Reed-Solomon & vector;
  numerous changes to remove unused code and test more branches
common: add `isxdigit()`
general: various code fiddlings
manual: add char names to sequence and batch format char tables;
  mention long options can be shortened (& use "--compliantheight"
  -> "--compliant");
  expand mirror explanation & document substitutions in footnote;
  workaround xecjk putting space after double quote when quoting
  cjk chars & rejig input mode examples;
  workaround html alignment bug in table gs1-enabled symbologies by
  adding extra rh dashes to header cols;
  add "figure nn: " to txt image tags via sed:
  various other small fixes and rephrasings
This commit is contained in:
gitlost
2026-06-23 23:25:23 +01:00
parent 4a60a0b068
commit a81c9d9258
91 changed files with 6879 additions and 4368 deletions
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backend/gif.c
+6 -9
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@@ -30,6 +30,7 @@
*/
/* SPDX-License-Identifier: BSD-3-Clause */
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include "common.h"
@@ -163,14 +164,14 @@ static int gif_NextCode(struct gif_state *pState, unsigned char *pPixelValueCur,
return 1;
}
static int gif_lzw(struct gif_state *pState, unsigned char paletteBitSize) {
static void gif_lzw(struct gif_state *pState, unsigned char paletteBitSize) {
unsigned char PixelValueCur;
unsigned char CodeBits;
unsigned short Pos;
assert(pState->pIn != pState->pInEnd);
/* > Get first data byte */
if (pState->pIn == pState->pInEnd)
return 0;
PixelValueCur = pState->map[*pState->pIn++];
/* Number of bits per data item (=pixel)
* We need at least a value of 2, otherwise the cc and eoi code consumes
@@ -217,7 +218,7 @@ static int gif_lzw(struct gif_state *pState, unsigned char paletteBitSize) {
= (unsigned char) (pState->OutPosCur - pState->OutByteCountPos - 1);
}
pState->OutPosCur++;
return 1;
return;
}
/* Check for currently last code */
if (pState->FreeCode == (1U << CodeBits))
@@ -444,11 +445,7 @@ INTERNAL int zint_gif_pixel_plot(struct zint_symbol *symbol, unsigned char *pixe
zint_fm_write(outbuf, 1, 10, State.fmp);
/* Call lzw encoding */
if (!gif_lzw(&State, paletteBitSize)) {
free(State.pOut);
(void) zint_fm_close(State.fmp, symbol);
return z_errtxt(ZINT_ERROR_MEMORY, symbol, 613, "Insufficient memory for GIF LZW buffer");
}
gif_lzw(&State, paletteBitSize);
zint_fm_write(State.pOut, 1, State.OutPosCur, State.fmp);
free(State.pOut);