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//========================================================================
//
// ImageOutputDev.cc
//
// Copyright 1998-2003 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);
}
}
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