Initial revision

1 files changed, 151 insertions, 0 deletions

diff --git a/pdf/xpdf/ImageOutputDev.cc b/pdf/xpdf/ImageOutputDev.cc
new file mode 100644
index 0000000..00782fb
--- /dev/null
+++ b/pdf/xpdf/ImageOutputDev.cc
@@ -0,0 +1,151 @@
+//========================================================================
+//
+// ImageOutputDev.cc
+//
+// Copyright 1998 Derek B. Noonburg
+//
+//========================================================================
+
+#ifdef __GNUC__
+#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 *fileRoot1, GBool dumpJPEG1) {
+  fileRoot = copyString(fileRoot1);
+  fileName = (char *)gmalloc(strlen(fileRoot) + 20);
+  dumpJPEG = dumpJPEG1;
+  imgNum = 0;
+  ok = gTrue;
+}
+
+ImageOutputDev::~ImageOutputDev() {
+  gfree(fileName);
+  gfree(fileRoot);
+}
+
+void ImageOutputDev::drawImageMask(GfxState *state, Stream *str,
+				   int width, int height, GBool invert,
+				   GBool inlineImg) {
+  FILE *f;
+  int c;
+
+  // dump JPEG file
+  if (dumpJPEG && str->getKind() == strDCT) {
+
+    // 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);
+
+    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
+    while ((c = str->getChar()) != EOF)
+      fputc(c, f);
+
+    fclose(f);
+  }
+}
+
+void ImageOutputDev::drawImage(GfxState *state, Stream *str, int width,
+			       int height, GfxImageColorMap *colorMap,
+			       GBool inlineImg) {
+  FILE *f;
+  Guchar pixBuf[4];
+  GfxColor color;
+  int x, y;
+  int c;
+
+  // dump JPEG file
+  if (dumpJPEG && str->getKind() == strDCT) {
+
+    // 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);
+
+    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
+    str->resetImage(width, colorMap->getNumPixelComps(), colorMap->getBits());
+
+    // for each line...
+    for (y = 0; y < height; ++y) {
+
+      // write the line
+      for (x = 0; x < width; ++x) {
+	str->getImagePixel(pixBuf);
+	colorMap->getColor(pixBuf, &color);
+	fputc((int)(color.getR() * 255 + 0.5), f);
+	fputc((int)(color.getG() * 255 + 0.5), f);
+	fputc((int)(color.getB() * 255 + 0.5), f);
+      }
+    }
+
+    fclose(f);
+  }
+}