| //======================================================================== |
| // |
| // ImageOutputDev.h |
| // |
| // Copyright 1998-2003 Glyph & Cog, LLC |
| // |
| //======================================================================== |
| |
| //======================================================================== |
| // |
| // Modified under the Poppler project - http://poppler.freedesktop.org |
| // |
| // All changes made under the Poppler project to this file are licensed |
| // under GPL version 2 or later |
| // |
| // Copyright (C) 2006 Rainer Keller <class321@gmx.de> |
| // Copyright (C) 2008 Timothy Lee <timothy.lee@siriushk.com> |
| // Copyright (C) 2009 Carlos Garcia Campos <carlosgc@gnome.org> |
| // Copyright (C) 2010 Jakob Voss <jakob.voss@gbv.de> |
| // Copyright (C) 2012, 2013, 2017 Adrian Johnson <ajohnson@redneon.com> |
| // Copyright (C) 2013 Thomas Freitag <Thomas.Freitag@alfa.de> |
| // |
| // To see a description of the changes please see the Changelog file that |
| // came with your tarball or type make ChangeLog if you are building from git |
| // |
| //======================================================================== |
| |
| #ifndef IMAGEOUTPUTDEV_H |
| #define IMAGEOUTPUTDEV_H |
| |
| #include "poppler/poppler-config.h" |
| |
| #ifdef USE_GCC_PRAGMAS |
| #pragma interface |
| #endif |
| |
| #include <stdio.h> |
| #include "goo/gtypes.h" |
| #include "goo/ImgWriter.h" |
| #include "OutputDev.h" |
| |
| class GfxState; |
| |
| //------------------------------------------------------------------------ |
| // ImageOutputDev |
| //------------------------------------------------------------------------ |
| |
| class ImageOutputDev: public OutputDev { |
| public: |
| enum ImageType { |
| imgImage, |
| imgStencil, |
| imgMask, |
| imgSmask |
| }; |
| enum ImageFormat { |
| imgRGB, |
| imgRGB48, |
| imgGray, |
| imgMonochrome, |
| imgCMYK |
| }; |
| |
| // Create an OutputDev which will write images to files named |
| // <fileRoot>-NNN.<type> or <fileRoot>-PPP-NNN.<type>, if |
| // <pageNames> is set. Normally, all images are written as PBM |
| // (.pbm) or PPM (.ppm) files unless PNG or Tiff output is enabled |
| // (PNG is used if both are enabled). If Jpeg is enabled, JPEG images |
| // are written as JPEG (.jpg) files. |
| ImageOutputDev(char *fileRootA, GBool pageNamesA, GBool listImagesA); |
| |
| // Destructor. |
| virtual ~ImageOutputDev(); |
| |
| // Use PNG format for output |
| void enablePNG(GBool png) { outputPNG = png; } |
| |
| // Use TIFF format for output |
| void enableTiff(GBool tiff) { outputTiff = tiff; } |
| |
| // Use Jpeg format for Jpeg files |
| void enableJpeg(GBool jpeg) { dumpJPEG = jpeg; } |
| |
| // Use Jpeg2000 format for Jpeg2000 files |
| void enableJpeg2000(GBool jp2) { dumpJP2 = jp2; } |
| |
| // Use JBIG2 format for JBIG2 files |
| void enableJBig2(GBool jbig2) { dumpJBIG2 = jbig2; } |
| |
| // Use CCITT format for CCITT files |
| void enableCCITT(GBool ccitt) { dumpCCITT = ccitt; } |
| |
| // Check if file was successfully created. |
| virtual GBool isOk() { return ok; } |
| |
| // Does this device use tilingPatternFill()? If this returns false, |
| // tiling pattern fills will be reduced to a series of other drawing |
| // operations. |
| GBool useTilingPatternFill() override { return gTrue; } |
| |
| // Does this device use beginType3Char/endType3Char? Otherwise, |
| // text in Type 3 fonts will be drawn with drawChar/drawString. |
| GBool interpretType3Chars() override { return gFalse; } |
| |
| // Does this device need non-text content? |
| GBool needNonText() override { return gTrue; } |
| |
| // Start a page |
| void startPage(int pageNumA, GfxState *state, XRef *xref) override |
| { pageNum = pageNumA; } |
| |
| //---- get info about output device |
| |
| // Does this device use upside-down coordinates? |
| // (Upside-down means (0,0) is the top left corner of the page.) |
| GBool upsideDown() override { return gTrue; } |
| |
| // Does this device use drawChar() or drawString()? |
| GBool useDrawChar() override { return gFalse; } |
| |
| //----- path painting |
| GBool tilingPatternFill(GfxState *state, Gfx *gfx, Catalog *cat, Object *str, |
| double *pmat, int paintType, int tilingType, Dict *resDict, |
| double *mat, double *bbox, |
| int x0, int y0, int x1, int y1, |
| double xStep, double yStep) override; |
| |
| //----- image drawing |
| void drawImageMask(GfxState *state, Object *ref, Stream *str, |
| int width, int height, GBool invert, |
| GBool interpolate, GBool inlineImg) override; |
| void drawImage(GfxState *state, Object *ref, Stream *str, |
| int width, int height, GfxImageColorMap *colorMap, |
| GBool interpolate, int *maskColors, GBool inlineImg) override; |
| void drawMaskedImage(GfxState *state, Object *ref, Stream *str, |
| int width, int height, |
| GfxImageColorMap *colorMap, |
| GBool interpolate, |
| Stream *maskStr, int maskWidth, int maskHeight, |
| GBool maskInvert, GBool maskInterpolate) override; |
| void drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str, |
| int width, int height, |
| GfxImageColorMap *colorMap, |
| GBool interpolate, |
| Stream *maskStr, |
| int maskWidth, int maskHeight, |
| GfxImageColorMap *maskColorMap, |
| GBool maskInterpolate) override; |
| |
| private: |
| // Sets the output filename with a given file extension |
| void setFilename(const char *fileExt); |
| void listImage(GfxState *state, Object *ref, Stream *str, |
| int width, int height, |
| GfxImageColorMap *colorMap, |
| GBool interpolate, GBool inlineImg, |
| ImageType imageType); |
| void writeImage(GfxState *state, Object *ref, Stream *str, |
| int width, int height, GfxImageColorMap *colorMap, GBool inlineImg); |
| void writeRawImage(Stream *str, const char *ext); |
| void writeImageFile(ImgWriter *writer, ImageFormat format, const char *ext, |
| Stream *str, int width, int height, GfxImageColorMap *colorMap); |
| long getInlineImageLength(Stream *str, int width, int height, GfxImageColorMap *colorMap); |
| |
| char *fileRoot; // root of output file names |
| char *fileName; // buffer for output file names |
| GBool listImages; // list images instead of dumping |
| GBool dumpJPEG; // set to dump native JPEG files |
| GBool dumpJP2; // set to dump native JPEG2000 files |
| GBool dumpJBIG2; // set to dump native JBIG2 files |
| GBool dumpCCITT; // set to dump native CCITT files |
| GBool outputPNG; // set to output in PNG format |
| GBool outputTiff; // set to output in TIFF format |
| GBool pageNames; // set to include page number in file names |
| int pageNum; // current page number |
| int imgNum; // current image number |
| GBool ok; // set up ok? |
| }; |
| |
| #endif |