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//========================================================================
//
// 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;
ImageStream *imgStr;
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
imgStr = new ImageStream(str, width, colorMap->getNumPixelComps(),
colorMap->getBits());
imgStr->reset();
// for each line...
for (y = 0; y < height; ++y) {
// write the line
for (x = 0; x < width; ++x) {
imgStr->getPixel(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);
}
}
delete imgStr;
fclose(f);
}
}
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