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-rw-r--r--filters/kword/pdf/xpdf/xpdf/ImageOutputDev.cpp194
1 files changed, 194 insertions, 0 deletions
diff --git a/filters/kword/pdf/xpdf/xpdf/ImageOutputDev.cpp b/filters/kword/pdf/xpdf/xpdf/ImageOutputDev.cpp
new file mode 100644
index 000000000..9c1628437
--- /dev/null
+++ b/filters/kword/pdf/xpdf/xpdf/ImageOutputDev.cpp
@@ -0,0 +1,194 @@
+//========================================================================
+//
+// ImageOutputDev.cpp
+//
+// Copyright 1998-2002 Glyph & Cog, LLC
+//
+//========================================================================
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma implementation
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <ctype.h>
+#include "gmem.h"
+#include "config.h"
+#include "Error.h"
+#include "GfxState.h"
+#include "Object.h"
+#include "Stream.h"
+#include "ImageOutputDev.h"
+
+ImageOutputDev::ImageOutputDev(char *fileRootA, GBool dumpJPEGA) {
+ fileRoot = copyString(fileRootA);
+ fileName = (char *)gmalloc(strlen(fileRoot) + 20);
+ dumpJPEG = dumpJPEGA;
+ imgNum = 0;
+ ok = gTrue;
+}
+
+ImageOutputDev::~ImageOutputDev() {
+ gfree(fileName);
+ gfree(fileRoot);
+}
+
+void ImageOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
+ int width, int height, GBool invert,
+ GBool inlineImg) {
+ FILE *f;
+ int c;
+ int size, i;
+
+ // dump JPEG file
+ if (dumpJPEG && str->getKind() == strDCT && !inlineImg) {
+
+ // open the image file
+ sprintf(fileName, "%s-%03d.jpg", fileRoot, imgNum);
+ ++imgNum;
+ if (!(f = fopen(fileName, "wb"))) {
+ error(-1, "Couldn't open image file '%s'", fileName);
+ return;
+ }
+
+ // initialize stream
+ str = ((DCTStream *)str)->getRawStream();
+ str->reset();
+
+ // copy the stream
+ while ((c = str->getChar()) != EOF)
+ fputc(c, f);
+
+ str->close();
+ fclose(f);
+
+ // dump PBM file
+ } else {
+
+ // open the image file and write the PBM header
+ sprintf(fileName, "%s-%03d.pbm", fileRoot, imgNum);
+ ++imgNum;
+ if (!(f = fopen(fileName, "wb"))) {
+ error(-1, "Couldn't open image file '%s'", fileName);
+ return;
+ }
+ fprintf(f, "P4\n");
+ fprintf(f, "%d %d\n", width, height);
+
+ // initialize stream
+ str->reset();
+
+ // copy the stream
+ size = height * ((width + 7) / 8);
+ for (i = 0; i < size; ++i) {
+ fputc(str->getChar(), f);
+ }
+
+ str->close();
+ fclose(f);
+ }
+}
+
+void ImageOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
+ int width, int height,
+ GfxImageColorMap *colorMap,
+ int *maskColors, GBool inlineImg) {
+ FILE *f;
+ ImageStream *imgStr;
+ Guchar *p;
+ GfxRGB rgb;
+ int x, y;
+ int c;
+ int size, i;
+
+ // dump JPEG file
+ if (dumpJPEG && str->getKind() == strDCT &&
+ colorMap->getNumPixelComps() == 3 &&
+ !inlineImg) {
+
+ // open the image file
+ sprintf(fileName, "%s-%03d.jpg", fileRoot, imgNum);
+ ++imgNum;
+ if (!(f = fopen(fileName, "wb"))) {
+ error(-1, "Couldn't open image file '%s'", fileName);
+ return;
+ }
+
+ // initialize stream
+ str = ((DCTStream *)str)->getRawStream();
+ str->reset();
+
+ // copy the stream
+ while ((c = str->getChar()) != EOF)
+ fputc(c, f);
+
+ str->close();
+ fclose(f);
+
+ // dump PBM file
+ } else if (colorMap->getNumPixelComps() == 1 &&
+ colorMap->getBits() == 1) {
+
+ // open the image file and write the PBM header
+ sprintf(fileName, "%s-%03d.pbm", fileRoot, imgNum);
+ ++imgNum;
+ if (!(f = fopen(fileName, "wb"))) {
+ error(-1, "Couldn't open image file '%s'", fileName);
+ return;
+ }
+ fprintf(f, "P4\n");
+ fprintf(f, "%d %d\n", width, height);
+
+ // initialize stream
+ str->reset();
+
+ // copy the stream
+ size = height * ((width + 7) / 8);
+ for (i = 0; i < size; ++i) {
+ fputc(str->getChar() ^ 0xff, f);
+ }
+
+ str->close();
+ fclose(f);
+
+ // dump PPM file
+ } else {
+
+ // open the image file and write the PPM header
+ sprintf(fileName, "%s-%03d.ppm", fileRoot, imgNum);
+ ++imgNum;
+ if (!(f = fopen(fileName, "wb"))) {
+ error(-1, "Couldn't open image file '%s'", fileName);
+ return;
+ }
+ fprintf(f, "P6\n");
+ fprintf(f, "%d %d\n", width, height);
+ fprintf(f, "255\n");
+
+ // initialize stream
+ imgStr = new ImageStream(str, width, colorMap->getNumPixelComps(),
+ colorMap->getBits());
+ imgStr->reset();
+
+ // for each line...
+ for (y = 0; y < height; ++y) {
+
+ // write the line
+ p = imgStr->getLine();
+ for (x = 0; x < width; ++x) {
+ colorMap->getRGB(p, &rgb);
+ fputc((int)(rgb.r * 255 + 0.5), f);
+ fputc((int)(rgb.g * 255 + 0.5), f);
+ fputc((int)(rgb.b * 255 + 0.5), f);
+ p += colorMap->getNumPixelComps();
+ }
+ }
+ delete imgStr;
+
+ fclose(f);
+ }
+}