* Copyright (c) 1988-1997 Sam Leffler
* Copyright (c) 1991-1997 Silicon Graphics, Inc.
*
- * Permission to use, copy, modify, distribute, and sell this software and
+ * 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.
- *
+ *
+ * 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
+ * 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.
*/
* Predictor Tag Support (used by multiple codecs).
*/
#include "tiffiop.h"
-/* Watcom C++ (or its make utility) doesn't like long filenames */
-#ifdef __WATCOMC__
-#include "tif_pred.h"
-#else
#include "tif_predict.h"
-#endif
#include <assert.h>
#define PredictorState(tif) ((TIFFPredictorState*) (tif)->tif_data)
-static void LINKAGEMODE horAcc8(TIFF*, tidata_t, tsize_t);
-static void LINKAGEMODE horAcc16(TIFF*, tidata_t, tsize_t);
-static void LINKAGEMODE swabHorAcc16(TIFF*, tidata_t, tsize_t);
-static void LINKAGEMODE horDiff8(TIFF*, tidata_t, tsize_t);
-static void LINKAGEMODE horDiff16(TIFF*, tidata_t, tsize_t);
-static int LINKAGEMODE PredictorDecodeRow(TIFF*, tidata_t, tsize_t, tsample_t);
-static int LINKAGEMODE PredictorDecodeTile(TIFF*, tidata_t, tsize_t, tsample_t);
-static int LINKAGEMODE PredictorEncodeRow(TIFF*, tidata_t, tsize_t, tsample_t);
-static int LINKAGEMODE PredictorEncodeTile(TIFF*, tidata_t, tsize_t, tsample_t);
+static void horAcc8(TIFF*, tidata_t, tsize_t);
+static void horAcc16(TIFF*, tidata_t, tsize_t);
+static void swabHorAcc16(TIFF*, tidata_t, tsize_t);
+static void horDiff8(TIFF*, tidata_t, tsize_t);
+static void horDiff16(TIFF*, tidata_t, tsize_t);
+static int PredictorDecodeRow(TIFF*, tidata_t, tsize_t, tsample_t);
+static int PredictorDecodeTile(TIFF*, tidata_t, tsize_t, tsample_t);
+static int PredictorEncodeRow(TIFF*, tidata_t, tsize_t, tsample_t);
+static int PredictorEncodeTile(TIFF*, tidata_t, tsize_t, tsample_t);
static int
PredictorSetup(TIFF* tif)
horAcc8(TIFF* tif, tidata_t cp0, tsize_t cc)
{
TIFFPredictorState* sp = PredictorState(tif);
- u_int stride = sp->stride;
+ tsize_t stride = sp->stride;
char* cp = (char*) cp0;
if (cc > stride) {
u_int cb = cp[2];
do {
cc -= 3, cp += 3;
- cp[0] = (cr += cp[0]);
- cp[1] = (cg += cp[1]);
- cp[2] = (cb += cp[2]);
+ cp[0] = (char) (cr += cp[0]);
+ cp[1] = (char) (cg += cp[1]);
+ cp[2] = (char) (cb += cp[2]);
} while ((int32) cc > 0);
} else if (stride == 4) {
u_int cr = cp[0];
u_int ca = cp[3];
do {
cc -= 4, cp += 4;
- cp[0] = (cr += cp[0]);
- cp[1] = (cg += cp[1]);
- cp[2] = (cb += cp[2]);
- cp[3] = (ca += cp[3]);
+ cp[0] = (char) (cr += cp[0]);
+ cp[1] = (char) (cg += cp[1]);
+ cp[2] = (char) (cb += cp[2]);
+ cp[3] = (char) (ca += cp[3]);
} while ((int32) cc > 0);
} else {
do {
- REPEAT4(stride, cp[stride] += *cp; cp++)
+ REPEAT4(stride, cp[stride] = (char) (cp[stride] + *cp); cp++)
cc -= stride;
} while ((int32) cc > 0);
}
swabHorAcc16(TIFF* tif, tidata_t cp0, tsize_t cc)
{
TIFFPredictorState* sp = PredictorState(tif);
- u_int stride = sp->stride;
+ tsize_t stride = sp->stride;
uint16* wp = (uint16*) cp0;
tsize_t wc = cc / 2;
static void
horAcc16(TIFF* tif, tidata_t cp0, tsize_t cc)
{
- u_int stride = PredictorState(tif)->stride;
+ tsize_t stride = PredictorState(tif)->stride;
uint16* wp = (uint16*) cp0;
tsize_t wc = cc / 2;
horDiff8(TIFF* tif, tidata_t cp0, tsize_t cc)
{
TIFFPredictorState* sp = PredictorState(tif);
- u_int stride = sp->stride;
+ tsize_t stride = sp->stride;
char* cp = (char*) cp0;
if (cc > stride) {
horDiff16(TIFF* tif, tidata_t cp0, tsize_t cc)
{
TIFFPredictorState* sp = PredictorState(tif);
- u_int stride = sp->stride;
+ tsize_t stride = sp->stride;
int16 *wp = (int16*) cp0;
tsize_t wc = cc/2;
return (1);
}
-static void LINKAGEMODE
+static void
PredictorPrintDir(TIFF* tif, FILE* fd, long flags)
{
TIFFPredictorState* sp = PredictorState(tif);
* override parent get/set field methods.
*/
_TIFFMergeFieldInfo(tif, predictFieldInfo, N(predictFieldInfo));
- sp->vgetparent = tif->tif_vgetfield;
- tif->tif_vgetfield = PredictorVGetField;/* hook for predictor tag */
- sp->vsetparent = tif->tif_vsetfield;
- tif->tif_vsetfield = PredictorVSetField;/* hook for predictor tag */
- sp->printdir = tif->tif_printdir;
- tif->tif_printdir = PredictorPrintDir; /* hook for predictor tag */
+ sp->vgetparent = tif->tif_tagmethods.vgetfield;
+ tif->tif_tagmethods.vgetfield =
+ PredictorVGetField;/* hook for predictor tag */
+ sp->vsetparent = tif->tif_tagmethods.vsetfield;
+ tif->tif_tagmethods.vsetfield =
+ PredictorVSetField;/* hook for predictor tag */
+ sp->printdir = tif->tif_tagmethods.printdir;
+ tif->tif_tagmethods.printdir =
+ PredictorPrintDir; /* hook for predictor tag */
sp->setupdecode = tif->tif_setupdecode;
tif->tif_setupdecode = PredictorSetupDecode;