| //======================================================================== |
| // |
| // pdftocairo.cc |
| // |
| // Copyright 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) 2007 Ilmari Heikkinen <ilmari.heikkinen@gmail.com> |
| // Copyright (C) 2008 Richard Airlie <richard.airlie@maglabs.net> |
| // Copyright (C) 2009 Michael K. Johnson <a1237@danlj.org> |
| // Copyright (C) 2009 Shen Liang <shenzhuxi@gmail.com> |
| // Copyright (C) 2009 Stefan Thomas <thomas@eload24.com> |
| // Copyright (C) 2009, 2010, 2017-2020, 2022 Albert Astals Cid <aacid@kde.org> |
| // Copyright (C) 2010, 2011-2017, 2023, 2024 Adrian Johnson <ajohnson@redneon.com> |
| // Copyright (C) 2010, 2014 Hib Eris <hib@hiberis.nl> |
| // Copyright (C) 2010 Jonathan Liu <net147@gmail.com> |
| // Copyright (C) 2010 William Bader <williambader@hotmail.com> |
| // Copyright (C) 2011 Thomas Freitag <Thomas.Freitag@alfa.de> |
| // Copyright (C) 2011, 2015 Carlos Garcia Campos <carlosgc@gnome.org> |
| // Copyright (C) 2012 Koji Otani <sho@bbr.jp> |
| // Copyright (C) 2013 Lu Wang <coolwanglu@gmail.com> |
| // Copyright (C) 2013, 2017 Suzuki Toshiya <mpsuzuki@hiroshima-u.ac.jp> |
| // Copyright (C) 2014 Rodrigo Rivas Costa <rodrigorivascosta@gmail.com> |
| // Copyright (C) 2016 Jason Crain <jason@aquaticape.us> |
| // Copyright (C) 2018 Martin Packman <gzlist@googlemail.com> |
| // Copyright (C) 2018 Adam Reichold <adam.reichold@t-online.de> |
| // Copyright (C) 2019, 2020 Oliver Sander <oliver.sander@tu-dresden.de> |
| // Copyright (C) 2019 Kris Jurka <jurka@ejurka.com> |
| // Copyright (C) 2020, 2021 Oliver Sander <oliver.sander@tu-dresden.de> |
| // Copyright (C) 2020 Philipp Knechtges <philipp-dev@knechtges.com> |
| // Copyright (C) 2020 Salvo Miosi <salvo.ilmiosi@gmail.com> |
| // Copyright (C) 2021 Peter Williams <peter@newton.cx> |
| // Copyright (C) 2021 Christian Persch <chpe@src.gnome.org> |
| // Copyright (C) 2022 James Cloos <cloos@jhcloos.com> |
| // Copyright (C) 2023 Anton Thomasson <antonthomasson@gmail.com> |
| // |
| // 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 |
| // |
| //======================================================================== |
| |
| #include "config.h" |
| #include <poppler-config.h> |
| #include <cstdint> |
| #include <cstdio> |
| #include <cmath> |
| #include <cstring> |
| #include <fcntl.h> |
| #if defined(_WIN32) || defined(__CYGWIN__) |
| # include <io.h> // for _setmode |
| #endif |
| #include "parseargs.h" |
| #include "goo/gmem.h" |
| #include "goo/GooString.h" |
| #include "goo/ImgWriter.h" |
| #include "goo/JpegWriter.h" |
| #include "goo/PNGWriter.h" |
| #include "goo/TiffWriter.h" |
| #include "GlobalParams.h" |
| #include "Object.h" |
| #include "PDFDoc.h" |
| #include "PDFDocFactory.h" |
| #include "CairoOutputDev.h" |
| #include "Win32Console.h" |
| #include "numberofcharacters.h" |
| #ifdef USE_CMS |
| # include <lcms2.h> |
| #endif |
| #include <cairo.h> |
| #ifdef CAIRO_HAS_PS_SURFACE |
| # include <cairo-ps.h> |
| #endif |
| #ifdef CAIRO_HAS_PDF_SURFACE |
| # include <cairo-pdf.h> |
| #endif |
| #ifdef CAIRO_HAS_SVG_SURFACE |
| # include <cairo-svg.h> |
| #endif |
| |
| #include "pdftocairo-win32.h" |
| |
| static bool png = false; |
| static bool jpeg = false; |
| static bool ps = false; |
| static bool eps = false; |
| static bool pdf = false; |
| static bool printToWin32 = false; |
| static bool printdlg = false; |
| static bool svg = false; |
| static bool tiff = false; |
| |
| static int firstPage = 1; |
| static int lastPage = 0; |
| static bool printOnlyOdd = false; |
| static bool printOnlyEven = false; |
| static bool singleFile = false; |
| static double resolution = 0.0; |
| static double x_resolution = 150.0; |
| static double y_resolution = 150.0; |
| static int scaleTo = 0; |
| static int x_scaleTo = 0; |
| static int y_scaleTo = 0; |
| static int crop_x = 0; |
| static int crop_y = 0; |
| static int crop_w = 0; |
| static int crop_h = 0; |
| static int sz = 0; |
| static bool useCropBox = false; |
| static bool mono = false; |
| static bool gray = false; |
| static bool transp = false; |
| static GooString antialias; |
| static GooString icc; |
| |
| static bool level2 = false; |
| static bool level3 = false; |
| static bool origPageSizes = false; |
| static char paperSize[15] = ""; |
| static int paperWidth = -1; |
| static int paperHeight = -1; |
| static bool noCrop = false; |
| static bool expand = false; |
| static bool noShrink = false; |
| static bool noCenter = false; |
| static bool duplex = false; |
| static char tiffCompressionStr[16] = ""; |
| static bool docStruct = false; |
| |
| static char ownerPassword[33] = ""; |
| static char userPassword[33] = ""; |
| static bool quiet = false; |
| static bool printVersion = false; |
| static bool printHelp = false; |
| |
| static GooString jpegOpt; |
| static int jpegQuality = -1; |
| static bool jpegProgressive = false; |
| static bool jpegOptimize = false; |
| |
| static GooString printer; |
| static GooString printOpt; |
| #ifdef CAIRO_HAS_WIN32_SURFACE |
| static bool setupdlg = false; |
| #endif |
| |
| static const ArgDesc argDesc[] = { |
| #ifdef ENABLE_LIBPNG |
| { "-png", argFlag, &png, 0, "generate a PNG file" }, |
| #endif |
| #ifdef ENABLE_LIBJPEG |
| { "-jpeg", argFlag, &jpeg, 0, "generate a JPEG file" }, |
| { "-jpegopt", argGooString, &jpegOpt, 0, "jpeg options, with format <opt1>=<val1>[,<optN>=<valN>]*" }, |
| #endif |
| #ifdef ENABLE_LIBTIFF |
| { "-tiff", argFlag, &tiff, 0, "generate a TIFF file" }, |
| { "-tiffcompression", argString, tiffCompressionStr, sizeof(tiffCompressionStr), "set TIFF compression: none, packbits, jpeg, lzw, deflate" }, |
| #endif |
| #ifdef CAIRO_HAS_PS_SURFACE |
| { "-ps", argFlag, &ps, 0, "generate PostScript file" }, |
| { "-eps", argFlag, &eps, 0, "generate Encapsulated PostScript (EPS)" }, |
| #endif |
| #ifdef CAIRO_HAS_PDF_SURFACE |
| { "-pdf", argFlag, &pdf, 0, "generate a PDF file" }, |
| #endif |
| #ifdef CAIRO_HAS_SVG_SURFACE |
| { "-svg", argFlag, &svg, 0, "generate a Scalable Vector Graphics (SVG) file" }, |
| #endif |
| #ifdef CAIRO_HAS_WIN32_SURFACE |
| { "-print", argFlag, &printToWin32, 0, "print to a Windows printer" }, |
| { "-printdlg", argFlag, &printdlg, 0, "show Windows print dialog and print" }, |
| { "-printer", argGooString, &printer, 0, "printer name or use default if this option is not specified" }, |
| { "-printopt", argGooString, &printOpt, 0, "printer options, with format <opt1>=<val1>[,<optN>=<valN>]*" }, |
| { "-setupdlg", argFlag, &setupdlg, 0, "show printer setup dialog before printing" }, |
| #endif |
| |
| { "-f", argInt, &firstPage, 0, "first page to print" }, |
| { "-l", argInt, &lastPage, 0, "last page to print" }, |
| { "-o", argFlag, &printOnlyOdd, 0, "print only odd pages" }, |
| { "-e", argFlag, &printOnlyEven, 0, "print only even pages" }, |
| { "-singlefile", argFlag, &singleFile, 0, "write only the first page and do not add digits" }, |
| |
| { "-r", argFP, &resolution, 0, "resolution, in PPI (default is 150)" }, |
| { "-rx", argFP, &x_resolution, 0, "X resolution, in PPI (default is 150)" }, |
| { "-ry", argFP, &y_resolution, 0, "Y resolution, in PPI (default is 150)" }, |
| { "-scale-to", argInt, &scaleTo, 0, "scales each page to fit within scale-to*scale-to pixel box" }, |
| { "-scale-to-x", argInt, &x_scaleTo, 0, "scales each page horizontally to fit in scale-to-x pixels" }, |
| { "-scale-to-y", argInt, &y_scaleTo, 0, "scales each page vertically to fit in scale-to-y pixels" }, |
| |
| { "-x", argInt, &crop_x, 0, "x-coordinate of the crop area top left corner" }, |
| { "-y", argInt, &crop_y, 0, "y-coordinate of the crop area top left corner" }, |
| { "-W", argInt, &crop_w, 0, "width of crop area in pixels (default is 0)" }, |
| { "-H", argInt, &crop_h, 0, "height of crop area in pixels (default is 0)" }, |
| { "-sz", argInt, &sz, 0, "size of crop square in pixels (sets W and H)" }, |
| { "-cropbox", argFlag, &useCropBox, 0, "use the crop box rather than media box" }, |
| |
| { "-mono", argFlag, &mono, 0, "generate a monochrome image file (PNG, JPEG)" }, |
| { "-gray", argFlag, &gray, 0, "generate a grayscale image file (PNG, JPEG)" }, |
| { "-transp", argFlag, &transp, 0, "use a transparent background instead of white (PNG)" }, |
| { "-antialias", argGooString, &antialias, 0, "set cairo antialias option" }, |
| #ifdef USE_CMS |
| { "-icc", argGooString, &icc, 0, "ICC color profile to use" }, |
| #endif |
| |
| { "-level2", argFlag, &level2, 0, "generate Level 2 PostScript (PS, EPS)" }, |
| { "-level3", argFlag, &level3, 0, "generate Level 3 PostScript (PS, EPS)" }, |
| { "-origpagesizes", argFlag, &origPageSizes, 0, "conserve original page sizes (PS, PDF, SVG)" }, |
| { "-paper", argString, paperSize, sizeof(paperSize), "paper size (letter, legal, A4, A3, match)" }, |
| { "-paperw", argInt, &paperWidth, 0, "paper width, in points" }, |
| { "-paperh", argInt, &paperHeight, 0, "paper height, in points" }, |
| { "-nocrop", argFlag, &noCrop, 0, "don't crop pages to CropBox" }, |
| { "-expand", argFlag, &expand, 0, "expand pages smaller than the paper size" }, |
| { "-noshrink", argFlag, &noShrink, 0, "don't shrink pages larger than the paper size" }, |
| { "-nocenter", argFlag, &noCenter, 0, "don't center pages smaller than the paper size" }, |
| { "-duplex", argFlag, &duplex, 0, "enable duplex printing" }, |
| |
| #if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 18, 0) |
| { "-struct", argFlag, &docStruct, 0, "enable logical document structure" }, |
| #endif |
| |
| { "-opw", argString, ownerPassword, sizeof(ownerPassword), "owner password (for encrypted files)" }, |
| { "-upw", argString, userPassword, sizeof(userPassword), "user password (for encrypted files)" }, |
| |
| { "-q", argFlag, &quiet, 0, "don't print any messages or errors" }, |
| { "-v", argFlag, &printVersion, 0, "print copyright and version info" }, |
| { "-h", argFlag, &printHelp, 0, "print usage information" }, |
| { "-help", argFlag, &printHelp, 0, "print usage information" }, |
| { "--help", argFlag, &printHelp, 0, "print usage information" }, |
| { "-?", argFlag, &printHelp, 0, "print usage information" }, |
| {} |
| }; |
| |
| static cairo_surface_t *surface; |
| static bool printing; |
| static FILE *output_file; |
| static bool usePDFPageSize; |
| static cairo_antialias_t antialiasEnum = CAIRO_ANTIALIAS_DEFAULT; |
| |
| #ifdef USE_CMS |
| static unsigned char *icc_data; |
| static int icc_data_size; |
| static GfxLCMSProfilePtr profile; |
| #endif |
| |
| struct AntialiasOption |
| { |
| const char *name; |
| cairo_antialias_t value; |
| }; |
| |
| static const AntialiasOption antialiasOptions[] = { |
| { "default", CAIRO_ANTIALIAS_DEFAULT }, { "none", CAIRO_ANTIALIAS_NONE }, { "gray", CAIRO_ANTIALIAS_GRAY }, { "subpixel", CAIRO_ANTIALIAS_SUBPIXEL }, |
| { "fast", CAIRO_ANTIALIAS_FAST }, { "good", CAIRO_ANTIALIAS_GOOD }, { "best", CAIRO_ANTIALIAS_BEST }, { nullptr, CAIRO_ANTIALIAS_DEFAULT }, |
| }; |
| |
| static bool parseAntialiasOption() |
| { |
| const AntialiasOption *option = antialiasOptions; |
| while (option->name) { |
| if (antialias.cmp(option->name) == 0) { |
| antialiasEnum = option->value; |
| return true; |
| } |
| option++; |
| } |
| |
| fprintf(stderr, "Error: Invalid antialias option \"%s\"\n", antialias.c_str()); |
| fprintf(stderr, "Valid options are:\n"); |
| option = antialiasOptions; |
| while (option->name) { |
| fprintf(stderr, " %s\n", option->name); |
| option++; |
| } |
| return false; |
| } |
| |
| static bool parseJpegOptions() |
| { |
| // jpegOpt format is: <opt1>=<val1>,<opt2>=<val2>,... |
| const char *nextOpt = jpegOpt.c_str(); |
| while (nextOpt && *nextOpt) { |
| const char *comma = strchr(nextOpt, ','); |
| GooString opt; |
| if (comma) { |
| opt.Set(nextOpt, static_cast<int>(comma - nextOpt)); |
| nextOpt = comma + 1; |
| } else { |
| opt.Set(nextOpt); |
| nextOpt = nullptr; |
| } |
| // here opt is "<optN>=<valN> " |
| const char *equal = strchr(opt.c_str(), '='); |
| if (!equal) { |
| fprintf(stderr, "Unknown jpeg option \"%s\"\n", opt.c_str()); |
| return false; |
| } |
| const int iequal = static_cast<int>(equal - opt.c_str()); |
| GooString value(&opt, iequal + 1, opt.getLength() - iequal - 1); |
| opt.del(iequal, opt.getLength() - iequal); |
| // here opt is "<optN>" and value is "<valN>" |
| |
| if (opt.cmp("quality") == 0) { |
| if (!isInt(value.c_str())) { |
| fprintf(stderr, "Invalid jpeg quality\n"); |
| return false; |
| } |
| jpegQuality = atoi(value.c_str()); |
| if (jpegQuality < 0 || jpegQuality > 100) { |
| fprintf(stderr, "jpeg quality must be between 0 and 100\n"); |
| return false; |
| } |
| } else if (opt.cmp("progressive") == 0) { |
| jpegProgressive = false; |
| if (value.cmp("y") == 0) { |
| jpegProgressive = true; |
| } else if (value.cmp("n") != 0) { |
| fprintf(stderr, "jpeg progressive option must be \"y\" or \"n\"\n"); |
| return false; |
| } |
| } else if (opt.cmp("optimize") == 0 || opt.cmp("optimise") == 0) { |
| jpegOptimize = false; |
| if (value.cmp("y") == 0) { |
| jpegOptimize = true; |
| } else if (value.cmp("n") != 0) { |
| fprintf(stderr, "jpeg optimize option must be \"y\" or \"n\"\n"); |
| return false; |
| } |
| } else { |
| fprintf(stderr, "Unknown jpeg option \"%s\"\n", opt.c_str()); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| static void writePageImage(GooString *filename) |
| { |
| ImgWriter *writer = nullptr; |
| FILE *file; |
| int height, width, stride; |
| unsigned char *data; |
| |
| if (png) { |
| #ifdef ENABLE_LIBPNG |
| if (transp) { |
| writer = new PNGWriter(PNGWriter::RGBA); |
| } else if (gray) { |
| writer = new PNGWriter(PNGWriter::GRAY); |
| } else if (mono) { |
| writer = new PNGWriter(PNGWriter::MONOCHROME); |
| } else { |
| writer = new PNGWriter(PNGWriter::RGB); |
| } |
| |
| # ifdef USE_CMS |
| if (icc_data) { |
| cmsUInt8Number profileID[17]; |
| profileID[16] = '\0'; |
| |
| cmsGetHeaderProfileID(profile.get(), profileID); |
| static_cast<PNGWriter *>(writer)->setICCProfile(reinterpret_cast<char *>(profileID), icc_data, icc_data_size); |
| } else { |
| static_cast<PNGWriter *>(writer)->setSRGBProfile(); |
| } |
| # endif |
| #endif |
| |
| } else if (jpeg) { |
| #ifdef ENABLE_LIBJPEG |
| if (gray) { |
| writer = new JpegWriter(JpegWriter::GRAY); |
| } else { |
| writer = new JpegWriter(JpegWriter::RGB); |
| } |
| |
| static_cast<JpegWriter *>(writer)->setOptimize(jpegOptimize); |
| static_cast<JpegWriter *>(writer)->setProgressive(jpegProgressive); |
| if (jpegQuality >= 0) { |
| static_cast<JpegWriter *>(writer)->setQuality(jpegQuality); |
| } |
| #endif |
| } else if (tiff) { |
| #ifdef ENABLE_LIBTIFF |
| if (transp) { |
| writer = new TiffWriter(TiffWriter::RGBA_PREMULTIPLIED); |
| } else if (gray) { |
| writer = new TiffWriter(TiffWriter::GRAY); |
| } else if (mono) { |
| writer = new TiffWriter(TiffWriter::MONOCHROME); |
| } else { |
| writer = new TiffWriter(TiffWriter::RGB); |
| } |
| static_cast<TiffWriter *>(writer)->setCompressionString(tiffCompressionStr); |
| #endif |
| } |
| if (!writer) { |
| return; |
| } |
| |
| if (filename->cmp("fd://0") == 0) { |
| #if defined(_WIN32) || defined(__CYGWIN__) |
| _setmode(fileno(stdout), O_BINARY); |
| #endif |
| file = stdout; |
| } else { |
| file = fopen(filename->c_str(), "wb"); |
| } |
| |
| if (!file) { |
| fprintf(stderr, "Error opening output file %s\n", filename->c_str()); |
| exit(2); |
| } |
| |
| height = cairo_image_surface_get_height(surface); |
| width = cairo_image_surface_get_width(surface); |
| stride = cairo_image_surface_get_stride(surface); |
| cairo_surface_flush(surface); |
| data = cairo_image_surface_get_data(surface); |
| |
| if (!writer->init(file, width, height, x_resolution, y_resolution)) { |
| fprintf(stderr, "Error writing %s\n", filename->c_str()); |
| exit(2); |
| } |
| unsigned char *row = (unsigned char *)gmallocn(width, 4); |
| |
| for (int y = 0; y < height; y++) { |
| uint32_t *pixel = reinterpret_cast<uint32_t *>((data + y * stride)); |
| unsigned char *rowp = row; |
| int bit = 7; |
| for (int x = 0; x < width; x++, pixel++) { |
| if (transp) { |
| if (tiff) { |
| // RGBA premultipled format |
| *rowp++ = (*pixel & 0xff0000) >> 16; |
| *rowp++ = (*pixel & 0x00ff00) >> 8; |
| *rowp++ = (*pixel & 0x0000ff) >> 0; |
| *rowp++ = (*pixel & 0xff000000) >> 24; |
| } else { |
| // unpremultiply into RGBA format |
| uint8_t a; |
| a = (*pixel & 0xff000000) >> 24; |
| if (a == 0) { |
| *rowp++ = 0; |
| *rowp++ = 0; |
| *rowp++ = 0; |
| } else { |
| *rowp++ = (((*pixel & 0xff0000) >> 16) * 255 + a / 2) / a; |
| *rowp++ = (((*pixel & 0x00ff00) >> 8) * 255 + a / 2) / a; |
| *rowp++ = (((*pixel & 0x0000ff) >> 0) * 255 + a / 2) / a; |
| } |
| *rowp++ = a; |
| } |
| } else if (gray || mono) { |
| // convert to gray |
| // The PDF Reference specifies the DeviceRGB to DeviceGray conversion as |
| // gray = 0.3*red + 0.59*green + 0.11*blue |
| const int r = (*pixel & 0x00ff0000) >> 16; |
| const int g = (*pixel & 0x0000ff00) >> 8; |
| const int b = (*pixel & 0x000000ff) >> 0; |
| // an arbitrary integer approximation of .3*r + .59*g + .11*b |
| const int grayValue = (r * 19661 + g * 38666 + b * 7209 + 32829) >> 16; |
| if (mono) { |
| if (bit == 7) { |
| *rowp = 0; |
| } |
| if (grayValue > 127) { |
| *rowp |= (1 << bit); |
| } |
| bit--; |
| if (bit < 0) { |
| bit = 7; |
| rowp++; |
| } |
| } else { |
| *rowp++ = grayValue; |
| } |
| } else { |
| // copy into RGB format |
| *rowp++ = (*pixel & 0x00ff0000) >> 16; |
| *rowp++ = (*pixel & 0x0000ff00) >> 8; |
| *rowp++ = (*pixel & 0x000000ff) >> 0; |
| } |
| } |
| writer->writeRow(&row); |
| } |
| gfree(row); |
| writer->close(); |
| delete writer; |
| if (file == stdout) { |
| fflush(file); |
| } else { |
| fclose(file); |
| } |
| } |
| |
| static void getCropSize(double page_w, double page_h, double *width, double *height) |
| { |
| int w = crop_w; |
| int h = crop_h; |
| |
| if (w == 0) { |
| w = (int)ceil(page_w); |
| } |
| |
| if (h == 0) { |
| h = (int)ceil(page_h); |
| } |
| |
| *width = (crop_x + w > page_w ? (int)ceil(page_w - crop_x) : w); |
| *height = (crop_y + h > page_h ? (int)ceil(page_h - crop_y) : h); |
| } |
| |
| static void getOutputSize(double page_w, double page_h, double *width, double *height) |
| { |
| |
| if (printing) { |
| if (usePDFPageSize) { |
| *width = page_w; |
| *height = page_h; |
| } else { |
| if (page_w > page_h) { |
| *width = paperHeight; |
| *height = paperWidth; |
| } else { |
| *width = paperWidth; |
| *height = paperHeight; |
| } |
| } |
| } else { |
| getCropSize(page_w * x_resolution / 72.0, page_h * y_resolution / 72.0, width, height); |
| } |
| } |
| |
| static void getFitToPageTransform(double page_w, double page_h, double paper_w, double paper_h, cairo_matrix_t *m) |
| { |
| double x_scale, y_scale, scale; |
| |
| x_scale = paper_w / page_w; |
| y_scale = paper_h / page_h; |
| if (x_scale < y_scale) { |
| scale = x_scale; |
| } else { |
| scale = y_scale; |
| } |
| |
| if (scale > 1.0 && !expand) { |
| scale = 1.0; |
| } |
| if (scale < 1.0 && noShrink) { |
| scale = 1.0; |
| } |
| |
| cairo_matrix_init_identity(m); |
| if (!noCenter) { |
| // centre page |
| cairo_matrix_translate(m, (paper_w - page_w * scale) / 2, (paper_h - page_h * scale) / 2); |
| } else if (!svg) { |
| // move to PostScript origin |
| cairo_matrix_translate(m, 0, (paper_h - page_h * scale)); |
| } |
| cairo_matrix_scale(m, scale, scale); |
| } |
| |
| static cairo_status_t writeStream(void *closure, const unsigned char *data, unsigned int length) |
| { |
| FILE *file = (FILE *)closure; |
| |
| if (fwrite(data, length, 1, file) == 1) { |
| return CAIRO_STATUS_SUCCESS; |
| } else { |
| return CAIRO_STATUS_WRITE_ERROR; |
| } |
| } |
| |
| static void beginDocument(GooString *inputFileName, GooString *outputFileName, double w, double h) |
| { |
| if (printing) { |
| if (printToWin32) { |
| output_file = nullptr; |
| } else { |
| if (outputFileName->cmp("fd://0") == 0) { |
| #if defined(_WIN32) || defined(__CYGWIN__) |
| _setmode(fileno(stdout), O_BINARY); |
| #endif |
| output_file = stdout; |
| } else { |
| output_file = fopen(outputFileName->c_str(), "wb"); |
| if (!output_file) { |
| fprintf(stderr, "Error opening output file %s\n", outputFileName->c_str()); |
| exit(2); |
| } |
| } |
| } |
| |
| if (ps || eps) { |
| #ifdef CAIRO_HAS_PS_SURFACE |
| surface = cairo_ps_surface_create_for_stream(writeStream, output_file, w, h); |
| if (level2) { |
| cairo_ps_surface_restrict_to_level(surface, CAIRO_PS_LEVEL_2); |
| } |
| if (eps) { |
| cairo_ps_surface_set_eps(surface, 1); |
| } |
| if (duplex) { |
| cairo_ps_surface_dsc_comment(surface, "%%Requirements: duplex"); |
| cairo_ps_surface_dsc_begin_setup(surface); |
| cairo_ps_surface_dsc_comment(surface, "%%IncludeFeature: *Duplex DuplexNoTumble"); |
| } |
| cairo_ps_surface_dsc_begin_page_setup(surface); |
| #endif |
| } else if (pdf) { |
| #ifdef CAIRO_HAS_PDF_SURFACE |
| surface = cairo_pdf_surface_create_for_stream(writeStream, output_file, w, h); |
| #endif |
| } else if (svg) { |
| #ifdef CAIRO_HAS_SVG_SURFACE |
| surface = cairo_svg_surface_create_for_stream(writeStream, output_file, w, h); |
| cairo_svg_surface_restrict_to_version(surface, CAIRO_SVG_VERSION_1_2); |
| #endif |
| } |
| #ifdef CAIRO_HAS_WIN32_SURFACE |
| if (printToWin32) |
| surface = win32BeginDocument(inputFileName, outputFileName); |
| #endif |
| } |
| } |
| |
| static void beginPage(double *w, double *h) |
| { |
| if (printing) { |
| if (ps) { |
| #ifdef CAIRO_HAS_PS_SURFACE |
| if (*w > *h) { |
| cairo_ps_surface_dsc_comment(surface, "%%PageOrientation: Landscape"); |
| cairo_ps_surface_set_size(surface, *h, *w); |
| } else { |
| cairo_ps_surface_dsc_comment(surface, "%%PageOrientation: Portrait"); |
| cairo_ps_surface_set_size(surface, *w, *h); |
| } |
| #endif |
| } |
| |
| #ifdef CAIRO_HAS_PDF_SURFACE |
| if (pdf) { |
| cairo_pdf_surface_set_size(surface, *w, *h); |
| } |
| #endif |
| |
| #ifdef CAIRO_HAS_WIN32_SURFACE |
| if (printToWin32) { |
| bool changePageSize = true; |
| if (setupdlg && !origPageSizes) |
| changePageSize = false; |
| win32BeginPage(w, h, changePageSize, noShrink); // w,h will be changed to actual size used |
| } |
| #endif |
| |
| cairo_surface_set_fallback_resolution(surface, x_resolution, y_resolution); |
| |
| } else { |
| surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, static_cast<int>(ceil(*w)), static_cast<int>(ceil(*h))); |
| } |
| } |
| |
| static void renderPage(PDFDoc *doc, CairoOutputDev *cairoOut, int pg, double page_w, double page_h, double output_w, double output_h) |
| { |
| cairo_t *cr; |
| cairo_status_t status; |
| cairo_matrix_t m; |
| cairo_font_options_t *font_options; |
| |
| cr = cairo_create(surface); |
| |
| cairo_set_antialias(cr, antialiasEnum); |
| |
| font_options = cairo_font_options_create(); |
| cairo_get_font_options(cr, font_options); |
| cairo_font_options_set_antialias(font_options, antialiasEnum); |
| cairo_set_font_options(cr, font_options); |
| cairo_font_options_destroy(font_options); |
| |
| cairoOut->setCairo(cr); |
| cairoOut->setPrinting(printing); |
| |
| cairo_save(cr); |
| if (ps && output_w > output_h) { |
| // rotate 90 deg for landscape |
| cairo_translate(cr, 0, output_w); |
| cairo_matrix_init(&m, 0, -1, 1, 0, 0, 0); |
| cairo_transform(cr, &m); |
| } |
| cairo_translate(cr, -crop_x, -crop_y); |
| if (printing) { |
| double cropped_w, cropped_h; |
| getCropSize(page_w, page_h, &cropped_w, &cropped_h); |
| getFitToPageTransform(cropped_w, cropped_h, output_w, output_h, &m); |
| cairo_transform(cr, &m); |
| cairo_rectangle(cr, crop_x, crop_y, cropped_w, cropped_h); |
| cairo_clip(cr); |
| } else { |
| cairo_scale(cr, x_resolution / 72.0, y_resolution / 72.0); |
| } |
| doc->displayPageSlice(cairoOut, pg, 72.0, 72.0, 0, /* rotate */ |
| !useCropBox, /* useMediaBox */ |
| false, /* Crop */ |
| printing, -1, -1, -1, -1); |
| cairo_restore(cr); |
| cairoOut->setCairo(nullptr); |
| |
| // Blend onto white page |
| if (!printing && !transp) { |
| cairo_save(cr); |
| cairo_set_operator(cr, CAIRO_OPERATOR_DEST_OVER); |
| cairo_set_source_rgb(cr, 1, 1, 1); |
| cairo_paint(cr); |
| cairo_restore(cr); |
| } |
| |
| status = cairo_status(cr); |
| if (status) { |
| fprintf(stderr, "cairo error: %s\n", cairo_status_to_string(status)); |
| } |
| cairo_destroy(cr); |
| } |
| |
| static void endPage(GooString *imageFileName, CairoOutputDev *cairoOut, bool isLastPage) |
| { |
| cairo_status_t status; |
| cairo_t *cr; |
| |
| if (printing) { |
| if (isLastPage) { |
| cr = cairo_create(surface); |
| cairoOut->setCairo(cr); |
| cairoOut->setPrinting(printing); |
| cairoOut->emitStructTree(); |
| cairoOut->setCairo(nullptr); |
| status = cairo_status(cr); |
| if (status) { |
| fprintf(stderr, "cairo error: %s\n", cairo_status_to_string(status)); |
| } |
| cairo_destroy(cr); |
| } |
| |
| cairo_surface_show_page(surface); |
| |
| #ifdef CAIRO_HAS_WIN32_SURFACE |
| if (printToWin32) |
| win32EndPage(imageFileName); |
| #endif |
| |
| } else { |
| writePageImage(imageFileName); |
| cairo_surface_finish(surface); |
| status = cairo_surface_status(surface); |
| if (status) { |
| fprintf(stderr, "cairo error: %s\n", cairo_status_to_string(status)); |
| } |
| cairo_surface_destroy(surface); |
| } |
| } |
| |
| static void endDocument() |
| { |
| cairo_status_t status; |
| |
| if (printing) { |
| cairo_surface_finish(surface); |
| status = cairo_surface_status(surface); |
| if (status) { |
| fprintf(stderr, "cairo error: %s\n", cairo_status_to_string(status)); |
| } |
| cairo_surface_destroy(surface); |
| #ifdef CAIRO_HAS_WIN32_SURFACE |
| if (printToWin32) |
| win32EndDocument(); |
| #endif |
| if (output_file) { |
| fclose(output_file); |
| } |
| } |
| } |
| |
| static bool setPSPaperSize(char *size, int &psPaperWidth, int &psPaperHeight) |
| { |
| if (!strcmp(size, "match")) { |
| psPaperWidth = psPaperHeight = -1; |
| } else if (!strcmp(size, "letter")) { |
| psPaperWidth = 612; |
| psPaperHeight = 792; |
| } else if (!strcmp(size, "legal")) { |
| psPaperWidth = 612; |
| psPaperHeight = 1008; |
| } else if (!strcmp(size, "A4")) { |
| psPaperWidth = 595; |
| psPaperHeight = 842; |
| } else if (!strcmp(size, "A3")) { |
| psPaperWidth = 842; |
| psPaperHeight = 1190; |
| } else { |
| return false; |
| } |
| return true; |
| } |
| |
| static GooString *getImageFileName(GooString *outputFileName, int numDigits, int page) |
| { |
| char buf[10]; |
| GooString *imageName = new GooString(outputFileName); |
| if (!singleFile) { |
| snprintf(buf, sizeof(buf), "-%0*d", numDigits, page); |
| imageName->append(buf); |
| } |
| if (outputFileName->cmp("fd://0") != 0) { |
| if (png) { |
| imageName->append(".png"); |
| } else if (jpeg) { |
| imageName->append(".jpg"); |
| } else if (tiff) { |
| imageName->append(".tif"); |
| } |
| } |
| |
| return imageName; |
| } |
| |
| // If (printing || singleFile) the output file name includes the |
| // extension. Otherwise it is the file name base. |
| static GooString *getOutputFileName(GooString *fileName, GooString *outputName) |
| { |
| GooString *name; |
| |
| if (outputName) { |
| if (outputName->cmp("-") == 0) { |
| if (printToWin32 || (!printing && !singleFile)) { |
| fprintf(stderr, "Error: stdout may only be used with the ps, eps, pdf, svg output options or if -singlefile is used.\n"); |
| exit(99); |
| } |
| return new GooString("fd://0"); |
| } |
| return new GooString(outputName); |
| } |
| |
| if (printToWin32) { |
| return nullptr; // No output file means print to printer |
| } |
| |
| if (fileName->cmp("fd://0") == 0) { |
| fprintf(stderr, "Error: an output filename or '-' must be supplied when the PDF file is stdin.\n"); |
| exit(99); |
| } |
| |
| // be careful not to overwrite the input file when the output format is PDF |
| if (pdf && fileName->cmpN("http://", 7) != 0 && fileName->cmpN("https://", 8) != 0) { |
| fprintf(stderr, "Error: an output filename or '-' must be supplied when the output format is PDF and input PDF file is a local file.\n"); |
| exit(99); |
| } |
| |
| // strip everything up to last '/' |
| const char *s = fileName->c_str(); |
| const char *p = strrchr(s, '/'); |
| if (p) { |
| p++; |
| if (*p == 0) { |
| fprintf(stderr, "Error: invalid output filename.\n"); |
| exit(99); |
| } |
| name = new GooString(p); |
| } else { |
| name = new GooString(s); |
| } |
| |
| // remove .pdf extension |
| p = strrchr(name->c_str(), '.'); |
| if (p && strcasecmp(p, ".pdf") == 0) { |
| GooString *name2 = new GooString(name->c_str(), name->getLength() - 4); |
| delete name; |
| name = name2; |
| } |
| |
| // append new extension |
| if (ps) { |
| name->append(".ps"); |
| } else if (eps) { |
| name->append(".eps"); |
| } else if (pdf) { |
| name->append(".pdf"); |
| } else if (svg) { |
| name->append(".svg"); |
| } |
| |
| return name; |
| } |
| |
| static void checkInvalidPrintOption(bool option, const char *option_name) |
| { |
| if (option) { |
| fprintf(stderr, "Error: %s may only be used with the -png, -jpeg, or -tiff output options.\n", option_name); |
| exit(99); |
| } |
| } |
| |
| static void checkInvalidImageOption(bool option, const char *option_name) |
| { |
| if (option) { |
| fprintf(stderr, "Error: %s may only be used with the -ps, -eps, -pdf, or -svg output options.\n", option_name); |
| exit(99); |
| } |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| GooString *fileName = nullptr; |
| GooString *outputName = nullptr; |
| GooString *outputFileName = nullptr; |
| GooString *imageFileName = nullptr; |
| std::optional<GooString> ownerPW, userPW; |
| CairoOutputDev *cairoOut; |
| int pg, pg_num_len; |
| double pg_w, pg_h, tmp, output_w, output_h; |
| int num_outputs; |
| |
| // parse args |
| Win32Console win32Console(&argc, &argv); |
| if (!parseArgs(argDesc, &argc, argv)) { |
| printUsage("pdftocairo", nullptr, argDesc); |
| exit(99); |
| } |
| |
| if (resolution != 0.0 && (x_resolution == 150.0 || y_resolution == 150.0)) { |
| x_resolution = resolution; |
| y_resolution = resolution; |
| } |
| if (argc < 2 || argc > 3 || printVersion || printHelp) { |
| fprintf(stderr, "pdftocairo version %s\n", PACKAGE_VERSION); |
| fprintf(stderr, "%s\n", popplerCopyright); |
| fprintf(stderr, "%s\n", xpdfCopyright); |
| if (!printVersion) { |
| printUsage("pdftocairo", "<PDF-file> [<output-file>]", argDesc); |
| } |
| if (printVersion || printHelp) { |
| exit(0); |
| } else { |
| exit(99); |
| } |
| } |
| |
| num_outputs = (png ? 1 : 0) + (jpeg ? 1 : 0) + (tiff ? 1 : 0) + (ps ? 1 : 0) + (eps ? 1 : 0) + (pdf ? 1 : 0) + (printToWin32 ? 1 : 0) + (printdlg ? 1 : 0) + (svg ? 1 : 0); |
| if (num_outputs == 0) { |
| fprintf(stderr, "Error: one of the output format options (-png, -jpeg, -ps, -eps, -pdf, -print, -printdlg, -svg) must be used.\n"); |
| exit(99); |
| } |
| if (num_outputs > 1) { |
| fprintf(stderr, "Error: use only one of the output format options (-png, -jpeg, -ps, -eps, -pdf, -printdlg, -print, -svg).\n"); |
| exit(99); |
| } |
| if (png || jpeg || tiff) { |
| printing = false; |
| } else { |
| printing = true; |
| } |
| |
| if (printing) { |
| checkInvalidPrintOption(mono, "-mono"); |
| checkInvalidPrintOption(gray, "-gray"); |
| checkInvalidPrintOption(transp, "-transp"); |
| checkInvalidPrintOption(icc.c_str()[0], "-icc"); |
| checkInvalidPrintOption(singleFile, "-singlefile"); |
| checkInvalidPrintOption(useCropBox, "-cropbox"); |
| checkInvalidPrintOption(scaleTo != 0, "-scale-to"); |
| checkInvalidPrintOption(x_scaleTo != 0, "-scale-to-x"); |
| checkInvalidPrintOption(y_scaleTo != 0, "-scale-to-y"); |
| } else { |
| checkInvalidImageOption(level2, "-level2"); |
| checkInvalidImageOption(level3, "-level3"); |
| checkInvalidImageOption(origPageSizes, "-origpagesizes"); |
| checkInvalidImageOption(paperSize[0], "-paper"); |
| checkInvalidImageOption(paperWidth > 0, "-paperw"); |
| checkInvalidImageOption(paperHeight > 0, "-paperh"); |
| checkInvalidImageOption(noCrop, "-nocrop"); |
| checkInvalidImageOption(expand, "-expand"); |
| checkInvalidImageOption(noShrink, "-noshrink"); |
| checkInvalidImageOption(noCenter, "-nocenter"); |
| checkInvalidImageOption(duplex, "-duplex"); |
| } |
| |
| if (printing) { |
| useCropBox = !noCrop; |
| } |
| |
| if (icc.c_str()[0] && !png) { |
| fprintf(stderr, "Error: -icc may only be used with png output.\n"); |
| exit(99); |
| } |
| |
| if (antialias.getLength() > 0) { |
| if (!parseAntialiasOption()) { |
| exit(99); |
| } |
| } |
| |
| if (transp && !(png || tiff)) { |
| fprintf(stderr, "Error: -transp may only be used with png or tiff output.\n"); |
| exit(99); |
| } |
| |
| if (mono && gray) { |
| fprintf(stderr, "Error: -mono and -gray may not be used together.\n"); |
| exit(99); |
| } |
| |
| if (mono && !(png || tiff)) { |
| fprintf(stderr, "Error: -mono may only be used with png or tiff output.\n"); |
| exit(99); |
| } |
| |
| if (jpegOpt.getLength() > 0) { |
| if (!jpeg) { |
| fprintf(stderr, "Error: -jpegopt may only be used with jpeg output.\n"); |
| exit(99); |
| } |
| if (!parseJpegOptions()) { |
| exit(99); |
| } |
| } |
| |
| if (strlen(tiffCompressionStr) > 0 && !tiff) { |
| fprintf(stderr, "Error: -tiffcompression may only be used with tiff output.\n"); |
| exit(99); |
| } |
| |
| if (level2 && level3) { |
| fprintf(stderr, "Error: use only one of the 'level' options.\n"); |
| exit(99); |
| } |
| if (!level2 && !level3) { |
| level3 = true; |
| } |
| |
| if (docStruct && !pdf) { |
| fprintf(stderr, "Error: -struct may only be used with pdf or output.\n"); |
| exit(99); |
| } |
| if (eps && (origPageSizes || paperSize[0] || paperWidth > 0 || paperHeight > 0)) { |
| fprintf(stderr, "Error: page size options may not be used with eps output.\n"); |
| exit(99); |
| } |
| |
| if ((paperWidth > 0 && paperHeight <= 0) || (paperWidth <= 0 && paperHeight > 0)) { |
| fprintf(stderr, "Error: both -paperw and -paperh must be specified.\n"); |
| exit(99); |
| } |
| |
| if (paperSize[0]) { |
| if (origPageSizes) { |
| fprintf(stderr, "Error: -origpagesizes and -paper may not be used together.\n"); |
| exit(99); |
| } |
| if (!setPSPaperSize(paperSize, paperWidth, paperHeight)) { |
| fprintf(stderr, "Invalid paper size\n"); |
| exit(99); |
| } |
| } |
| if (origPageSizes || paperWidth < 0 || paperHeight < 0) { |
| usePDFPageSize = true; |
| } else { |
| usePDFPageSize = false; |
| } |
| |
| if (printdlg) { |
| printToWin32 = true; |
| } |
| |
| globalParams = std::make_unique<GlobalParams>(); |
| if (quiet) { |
| globalParams->setErrQuiet(quiet); |
| } |
| |
| // open PDF file |
| if (ownerPassword[0]) { |
| ownerPW = GooString(ownerPassword); |
| } |
| if (userPassword[0]) { |
| userPW = GooString(userPassword); |
| } |
| |
| fileName = new GooString(argv[1]); |
| if (fileName->cmp("-") == 0) { |
| delete fileName; |
| fileName = new GooString("fd://0"); |
| } |
| if (argc == 3) { |
| outputName = new GooString(argv[2]); |
| } else { |
| outputName = nullptr; |
| } |
| |
| outputFileName = getOutputFileName(fileName, outputName); |
| |
| #ifdef USE_CMS |
| icc_data = nullptr; |
| if (icc.c_str()[0]) { |
| FILE *file = fopen(icc.c_str(), "rb"); |
| if (!file) { |
| fprintf(stderr, "Error: unable to open icc profile %s\n", icc.c_str()); |
| exit(4); |
| } |
| fseek(file, 0, SEEK_END); |
| icc_data_size = ftell(file); |
| fseek(file, 0, SEEK_SET); |
| icc_data = (unsigned char *)gmalloc(icc_data_size); |
| if (fread(icc_data, icc_data_size, 1, file) != 1) { |
| fprintf(stderr, "Error: unable to read icc profile %s\n", icc.c_str()); |
| exit(4); |
| } |
| fclose(file); |
| profile = make_GfxLCMSProfilePtr(cmsOpenProfileFromMem(icc_data, icc_data_size)); |
| if (!profile) { |
| fprintf(stderr, "Error: lcms error opening profile\n"); |
| exit(4); |
| } |
| } else { |
| profile = make_GfxLCMSProfilePtr(cmsCreate_sRGBProfile()); |
| } |
| #endif |
| |
| std::unique_ptr<PDFDoc> doc = PDFDocFactory().createPDFDoc(*fileName, ownerPW, userPW); |
| if (!doc->isOk()) { |
| fprintf(stderr, "Error opening PDF file.\n"); |
| exit(1); |
| } |
| |
| #ifdef ENFORCE_PERMISSIONS |
| // check for print permission |
| if (printing && !doc->okToPrint()) { |
| fprintf(stderr, "Printing this document is not allowed.\n"); |
| exit(3); |
| } |
| #endif |
| |
| // get page range |
| if (firstPage < 1) { |
| firstPage = 1; |
| } |
| if (singleFile && lastPage < 1) { |
| lastPage = firstPage; |
| } |
| if (lastPage < 1 || lastPage > doc->getNumPages()) { |
| lastPage = doc->getNumPages(); |
| } |
| |
| if (lastPage < firstPage) { |
| fprintf(stderr, "Wrong page range given: the first page (%d) can not be after the last page (%d).\n", firstPage, lastPage); |
| exit(99); |
| } |
| if (eps && firstPage != lastPage) { |
| fprintf(stderr, "EPS files can only contain one page.\n"); |
| exit(99); |
| } |
| |
| // If our page range selection and document size indicate we're only |
| // outputting a single page, ensure that even/odd page selection doesn't |
| // filter out that single page. Also adjust first and last page so there are no pages |
| // skipped at the start or end of the for loop. |
| if ((printOnlyEven && firstPage % 2 == 1) || (printOnlyOdd && firstPage % 2 == 0)) { |
| firstPage++; |
| } |
| if ((printOnlyEven && lastPage % 2 == 1) || (printOnlyOdd && lastPage % 2 == 0)) { |
| lastPage--; |
| } |
| if (lastPage < firstPage) { |
| fprintf(stderr, "Invalid even/odd page selection, no pages match criteria.\n"); |
| exit(99); |
| } |
| |
| if (singleFile && firstPage < lastPage) { |
| if (!quiet) { |
| fprintf(stderr, "Warning: Single file will write only the first of the %d pages.\n", lastPage + 1 - firstPage); |
| } |
| lastPage = firstPage; |
| } |
| |
| #ifdef CAIRO_HAS_WIN32_SURFACE |
| if (printdlg) { |
| bool allPages = false; |
| if (firstPage == 1 && lastPage == doc->getNumPages()) |
| allPages = true; |
| win32ShowPrintDialog(&expand, &noShrink, &noCenter, &usePDFPageSize, &allPages, &firstPage, &lastPage, doc->getNumPages()); |
| if (allPages) { |
| firstPage = 1; |
| lastPage = doc->getNumPages(); |
| } |
| } else if (printToWin32) { |
| win32SetupPrinter(&printer, &printOpt, duplex, setupdlg); |
| } |
| #endif |
| |
| cairoOut = new CairoOutputDev(); |
| cairoOut->setLogicalStructure(docStruct); |
| |
| #ifdef USE_CMS |
| cairoOut->setDisplayProfile(profile); |
| #endif |
| cairoOut->startDoc(doc.get()); |
| if (sz != 0) { |
| crop_w = crop_h = sz; |
| } |
| pg_num_len = numberOfCharacters(doc->getNumPages()); |
| for (pg = firstPage; pg <= lastPage; ++pg) { |
| if (printOnlyEven && pg % 2 == 1) { |
| continue; |
| } |
| if (printOnlyOdd && pg % 2 == 0) { |
| continue; |
| } |
| if (useCropBox) { |
| pg_w = doc->getPageCropWidth(pg); |
| pg_h = doc->getPageCropHeight(pg); |
| } else { |
| pg_w = doc->getPageMediaWidth(pg); |
| pg_h = doc->getPageMediaHeight(pg); |
| } |
| |
| if (printing && pg == firstPage) { |
| if (paperWidth < 0 || paperHeight < 0) { |
| paperWidth = (int)ceil(pg_w); |
| paperHeight = (int)ceil(pg_h); |
| } |
| } |
| |
| if ((doc->getPageRotate(pg) == 90) || (doc->getPageRotate(pg) == 270)) { |
| tmp = pg_w; |
| pg_w = pg_h; |
| pg_h = tmp; |
| } |
| if (scaleTo != 0) { |
| resolution = (72.0 * scaleTo) / (pg_w > pg_h ? pg_w : pg_h); |
| x_resolution = y_resolution = resolution; |
| } else { |
| if (x_scaleTo > 0) { |
| x_resolution = (72.0 * x_scaleTo) / pg_w; |
| if (y_scaleTo == -1) { |
| y_resolution = x_resolution; |
| } |
| } |
| if (y_scaleTo > 0) { |
| y_resolution = (72.0 * y_scaleTo) / pg_h; |
| if (x_scaleTo == -1) { |
| x_resolution = y_resolution; |
| } |
| } |
| } |
| if (imageFileName) { |
| delete imageFileName; |
| imageFileName = nullptr; |
| } |
| if (!printing) { |
| imageFileName = getImageFileName(outputFileName, pg_num_len, pg); |
| } |
| getOutputSize(pg_w, pg_h, &output_w, &output_h); |
| |
| if (pg == firstPage) { |
| beginDocument(fileName, outputFileName, output_w, output_h); |
| } |
| beginPage(&output_w, &output_h); |
| renderPage(doc.get(), cairoOut, pg, pg_w, pg_h, output_w, output_h); |
| endPage(imageFileName, cairoOut, pg == lastPage); |
| } |
| endDocument(); |
| |
| // clean up |
| delete cairoOut; |
| if (fileName) { |
| delete fileName; |
| } |
| if (outputName) { |
| delete outputName; |
| } |
| if (outputFileName) { |
| delete outputFileName; |
| } |
| if (imageFileName) { |
| delete imageFileName; |
| } |
| |
| #ifdef USE_CMS |
| if (icc_data) { |
| gfree(icc_data); |
| } |
| #endif |
| |
| #ifndef NDEBUG |
| // Clear the cairo font cache. If all references to font faces or |
| // scaled fonts have not been released this function will |
| // assert. If this occurs we have found a memory leak. |
| cairo_debug_reset_static_data(); |
| #endif |
| |
| return 0; |
| } |