| //======================================================================== |
| // |
| // 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 Albert Astals Cid <aacid@kde.org> |
| // Copyright (C) 2010, 2011, 2012 Adrian Johnson <ajohnson@redneon.com> |
| // Copyright (C) 2010 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 Carlos Garcia Campos <carlosgc@gnome.org> |
| // Copyright (C) 2012 Koji Otani <sho@bbr.jp> |
| // |
| // 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 <stdio.h> |
| #include <math.h> |
| #include <string.h> |
| #include "parseargs.h" |
| #include "goo/gmem.h" |
| #include "goo/gtypes.h" |
| #include "goo/gtypes_p.h" |
| #include "goo/GooString.h" |
| #include "goo/ImgWriter.h" |
| #include "goo/JpegWriter.h" |
| #include "goo/PNGWriter.h" |
| #include "GlobalParams.h" |
| #include "Object.h" |
| #include "PDFDoc.h" |
| #include "PDFDocFactory.h" |
| #include "CairoOutputDev.h" |
| #if USE_CMS |
| #ifdef USE_LCMS1 |
| #include <lcms.h> |
| #else |
| #include <lcms2.h> |
| #endif |
| #endif |
| #include <cairo.h> |
| #if CAIRO_HAS_PS_SURFACE |
| #include <cairo-ps.h> |
| #endif |
| #if CAIRO_HAS_PDF_SURFACE |
| #include <cairo-pdf.h> |
| #endif |
| #if CAIRO_HAS_SVG_SURFACE |
| #include <cairo-svg.h> |
| #endif |
| |
| |
| static GBool png = gFalse; |
| static GBool jpeg = gFalse; |
| static GBool ps = gFalse; |
| static GBool eps = gFalse; |
| static GBool pdf = gFalse; |
| static GBool svg = gFalse; |
| |
| static int firstPage = 1; |
| static int lastPage = 0; |
| static GBool printOnlyOdd = gFalse; |
| static GBool printOnlyEven = gFalse; |
| static GBool singleFile = gFalse; |
| 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 GBool useCropBox = gFalse; |
| static GBool mono = gFalse; |
| static GBool gray = gFalse; |
| static GBool transp = gFalse; |
| static GooString icc; |
| |
| static GBool level2 = gFalse; |
| static GBool level3 = gFalse; |
| static GBool doOrigPageSizes = gFalse; |
| static char paperSize[15] = ""; |
| static int paperWidth = -1; |
| static int paperHeight = -1; |
| static GBool noCrop = gFalse; |
| static GBool expand = gFalse; |
| static GBool noShrink = gFalse; |
| static GBool noCenter = gFalse; |
| static GBool duplex = gFalse; |
| |
| static char ownerPassword[33] = ""; |
| static char userPassword[33] = ""; |
| static GBool quiet = gFalse; |
| static GBool printVersion = gFalse; |
| static GBool printHelp = gFalse; |
| |
| static const ArgDesc argDesc[] = { |
| #if ENABLE_LIBPNG |
| {"-png", argFlag, &png, 0, |
| "generate a PNG file"}, |
| #endif |
| #if ENABLE_LIBJPEG |
| {"-jpeg", argFlag, &jpeg, 0, |
| "generate a JPEG file"}, |
| #endif |
| #if CAIRO_HAS_PS_SURFACE |
| {"-ps", argFlag, &ps, 0, |
| "generate PostScript file"}, |
| {"-eps", argFlag, &eps, 0, |
| "generate Encapsulated PostScript (EPS)"}, |
| #endif |
| #if CAIRO_HAS_PDF_SURFACE |
| {"-pdf", argFlag, &pdf, 0, |
| "generate a PDF file"}, |
| #endif |
| #if CAIRO_HAS_SVG_SURFACE |
| {"-svg", argFlag, &svg, 0, |
| "generate a Scalable Vector Graphics (SVG) file"}, |
| #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)"}, |
| #if 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, &doOrigPageSizes,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"}, |
| |
| {"-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"}, |
| {NULL} |
| }; |
| |
| |
| static cairo_surface_t *surface; |
| static GBool printing; |
| static FILE *output_file; |
| |
| #if USE_CMS |
| static unsigned char *icc_data; |
| static int icc_data_size; |
| static cmsHPROFILE profile; |
| #endif |
| |
| |
| void writePageImage(GooString *filename) |
| { |
| ImgWriter *writer = 0; |
| FILE *file; |
| int height, width, stride; |
| unsigned char *data; |
| |
| if (png) { |
| #if 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); |
| |
| #if USE_CMS |
| #ifdef USE_LCMS1 |
| if (icc_data) |
| static_cast<PNGWriter*>(writer)->setICCProfile(cmsTakeProductName(profile), icc_data, icc_data_size); |
| else |
| static_cast<PNGWriter*>(writer)->setSRGBProfile(); |
| #else |
| if (icc_data) { |
| cmsUInt8Number profileID[17]; |
| profileID[16] = '\0'; |
| |
| cmsGetHeaderProfileID(profile,profileID); |
| static_cast<PNGWriter*>(writer)->setICCProfile(reinterpret_cast<char *>(profileID), icc_data, icc_data_size); |
| } else { |
| static_cast<PNGWriter*>(writer)->setSRGBProfile(); |
| } |
| #endif |
| #endif |
| #endif |
| |
| } else if (jpeg) { |
| #if ENABLE_LIBJPEG |
| if (gray) |
| writer = new JpegWriter(JCS_GRAYSCALE); |
| else |
| writer = new JpegWriter(JCS_RGB); |
| #endif |
| } |
| if (!writer) |
| return; |
| |
| if (filename->cmp("fd://0") == 0) |
| file = stdout; |
| else |
| file = fopen(filename->getCString(), "wb"); |
| |
| if (!file) { |
| fprintf(stderr, "Error opening output file %s\n", filename->getCString()); |
| exit(2); |
| } |
| |
| height = cairo_image_surface_get_height(surface); |
| width = cairo_image_surface_get_width(surface); |
| stride = cairo_image_surface_get_stride(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->getCString()); |
| exit(2); |
| } |
| unsigned char *row = (unsigned char *) gmallocn(width, 4); |
| |
| for (int y = 0; y < height; y++ ) { |
| uint32_t *pixel = (uint32_t *) (data + y*stride); |
| unsigned char *rowp = row; |
| for (int x = 0; x < width; x++, pixel++) { |
| if (transp) { |
| // 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 |
| int r = (*pixel & 0x00ff0000) >> 16; |
| int g = (*pixel & 0x0000ff00) >> 8; |
| int b = (*pixel & 0x000000ff) >> 0; |
| // an arbitrary integer approximation of .3*r + .59*g + .11*b |
| int y = (r*19661+g*38666+b*7209 + 32829)>>16; |
| *rowp++ = y; |
| } 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 (doOrigPageSizes) { |
| *width = page_w; |
| *height = page_h; |
| } 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; |
| |
| cairo_matrix_init_identity (m); |
| if (scale > 1.0) { |
| // page is smaller than paper |
| if (expand) { |
| // expand to fit |
| cairo_matrix_scale (m, scale, scale); |
| } else if (!noCenter) { |
| // centre page |
| cairo_matrix_translate (m, (paper_w - page_w)/2, (paper_h - page_h)/2); |
| } else { |
| if (!svg) { |
| // move to PostScript origin |
| cairo_matrix_translate (m, 0, (paper_h - page_h)); |
| } |
| } |
| } else if (scale < 1.0) |
| // page is larger than paper |
| if (!noShrink) { |
| // shrink to fit |
| 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 *outputFileName, double w, double h) |
| { |
| if (printing) { |
| if (outputFileName->cmp("fd://0") == 0) |
| output_file = stdout; |
| else |
| output_file = fopen(outputFileName->getCString(), "wb"); |
| |
| if (ps || eps) { |
| #if 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) { |
| #if CAIRO_HAS_PDF_SURFACE |
| surface = cairo_pdf_surface_create_for_stream(writeStream, output_file, w, h); |
| #endif |
| } else if (svg) { |
| #if 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 |
| } |
| } |
| } |
| |
| static void beginPage(double w, double h) |
| { |
| if (printing) { |
| if (ps || eps) { |
| #if 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 |
| } |
| |
| #if CAIRO_HAS_PDF_SURFACE |
| if (pdf) |
| cairo_pdf_surface_set_size (surface, w, h); |
| #endif |
| |
| cairo_surface_set_fallback_resolution (surface, x_resolution, y_resolution); |
| |
| } else { |
| surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, ceil(w), 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; |
| |
| cr = cairo_create(surface); |
| 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 */ |
| gFalse, /* Crop */ |
| printing, |
| -1, -1, -1, -1); |
| cairo_restore(cr); |
| cairoOut->setCairo(NULL); |
| |
| // 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) |
| error(errInternal, -1, "cairo error: {0:s}\n", cairo_status_to_string(status)); |
| cairo_destroy (cr); |
| } |
| |
| static void endPage(GooString *imageFileName) |
| { |
| cairo_status_t status; |
| |
| if (printing) { |
| cairo_surface_show_page(surface); |
| } else { |
| writePageImage(imageFileName); |
| cairo_surface_finish(surface); |
| status = cairo_surface_status(surface); |
| if (status) |
| error(errInternal, -1, "cairo error: {0: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) |
| error(errInternal, -1, "cairo error: {0:s}\n", cairo_status_to_string(status)); |
| cairo_surface_destroy(surface); |
| fclose(output_file); |
| } |
| } |
| |
| static GBool 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 gFalse; |
| } |
| return gTrue; |
| } |
| |
| static int numberOfCharacters(unsigned int n) |
| { |
| int charNum = 0; |
| while (n >= 10) |
| { |
| n = n / 10; |
| charNum++; |
| } |
| charNum++; |
| return charNum; |
| } |
| |
| 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->appendf(buf); |
| } |
| if (png) |
| imageName->append(".png"); |
| else if (jpeg) |
| imageName->append(".jpg"); |
| |
| 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; |
| char *s; |
| char *p; |
| |
| if (outputName) { |
| if (outputName->cmp("-") == 0) { |
| if (!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 (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 '/' |
| s = fileName->getCString(); |
| 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->getCString(), '.'); |
| if (p && strcasecmp(p, ".pdf") == 0) { |
| GooString *name2 = new GooString(name->getCString(), 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(GBool option, const char *option_name) |
| { |
| if (option) { |
| fprintf(stderr, "Error: %s may only be used with the -png or -jpeg output options.\n", option_name); |
| exit(99); |
| } |
| } |
| |
| static void checkInvalidImageOption(GBool 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[]) { |
| PDFDoc *doc; |
| GooString *fileName = NULL; |
| GooString *outputName = NULL; |
| GooString *outputFileName = NULL; |
| GooString *imageFileName = NULL; |
| 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 |
| if (!parseArgs(argDesc, &argc, argv)) |
| 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) + |
| (ps ? 1 : 0) + |
| (eps ? 1 : 0) + |
| (pdf ? 1 : 0) + |
| (svg ? 1 : 0); |
| if (num_outputs == 0) { |
| fprintf(stderr, "Error: one of the output format options (-png, -jpeg, -ps, -eps, -pdf, -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, -svg).\n"); |
| exit(99); |
| } |
| if (png || jpeg) |
| printing = gFalse; |
| else |
| printing = gTrue; |
| |
| if (printing) { |
| checkInvalidPrintOption(mono, "-mono"); |
| checkInvalidPrintOption(gray, "-gray"); |
| checkInvalidPrintOption(transp, "-transp"); |
| checkInvalidPrintOption(icc.getCString()[0], "-icc"); |
| checkInvalidPrintOption(singleFile, "-singlefile"); |
| } else { |
| checkInvalidImageOption(level2, "-level2"); |
| checkInvalidImageOption(level3, "-level3"); |
| checkInvalidImageOption(doOrigPageSizes, "-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 (icc.getCString()[0] && !png) { |
| fprintf(stderr, "Error: -icc may only be used with png output.\n"); |
| exit(99); |
| } |
| |
| if (transp && !png) { |
| fprintf(stderr, "Error: -transp may only be used with png output.\n"); |
| exit(99); |
| } |
| |
| if (mono && gray) { |
| fprintf(stderr, "Error: -mono and -gray may not be used together.\n"); |
| exit(99); |
| } |
| |
| if (mono && !png) { |
| fprintf(stderr, "Error: -mono may only be used with png output.\n"); |
| exit(99); |
| } |
| |
| if (level2 && level3) { |
| fprintf(stderr, "Error: use only one of the 'level' options.\n"); |
| exit(99); |
| } |
| if (!level2 && !level3) |
| level3 = gTrue; |
| |
| if (eps && (doOrigPageSizes || paperSize[0] || paperWidth > 0 || paperHeight > 0)) { |
| fprintf(stderr, "Error: page size options may not be used with eps output.\n"); |
| exit(99); |
| } |
| |
| if (paperSize[0]) { |
| if (!setPSPaperSize(paperSize, paperWidth, paperHeight)) { |
| fprintf(stderr, "Invalid paper size\n"); |
| exit(99); |
| } |
| } |
| |
| globalParams = new GlobalParams(); |
| if (quiet) { |
| globalParams->setErrQuiet(quiet); |
| } |
| |
| // open PDF file |
| if (ownerPassword[0]) { |
| ownerPW = new GooString(ownerPassword); |
| } else { |
| ownerPW = NULL; |
| } |
| if (userPassword[0]) { |
| userPW = new GooString(userPassword); |
| } else { |
| userPW = NULL; |
| } |
| |
| 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 = NULL; |
| |
| outputFileName = getOutputFileName(fileName, outputName); |
| |
| #if USE_CMS |
| icc_data = NULL; |
| if (icc.getCString()[0]) { |
| FILE *file = fopen(icc.getCString(), "rb"); |
| if (!file) { |
| fprintf(stderr, "Error: unable to open icc profile %s\n", icc.getCString()); |
| 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.getCString()); |
| exit(4); |
| } |
| fclose(file); |
| profile = cmsOpenProfileFromMem(icc_data, icc_data_size); |
| if (!profile) { |
| fprintf(stderr, "Error: lcms error opening profile\n"); |
| exit(4); |
| } |
| } else { |
| profile = cmsCreate_sRGBProfile(); |
| } |
| GfxColorSpace::setDisplayProfile(profile); |
| #endif |
| |
| 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 (eps && firstPage != lastPage) { |
| fprintf(stderr, "EPS files can only contain one page.\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; |
| } |
| |
| // Make sure firstPage is always used so that beginDocument() is called |
| if ((printOnlyEven && firstPage % 2 == 0) || (printOnlyOdd && firstPage % 2 == 1)) |
| firstPage++; |
| |
| cairoOut = new CairoOutputDev(); |
| cairoOut->startDoc(doc); |
| if (sz != 0) |
| crop_w = crop_h = sz; |
| pg_num_len = numberOfCharacters(doc->getNumPages()); |
| for (pg = firstPage; pg <= lastPage; ++pg) { |
| if (printOnlyEven && pg % 2 == 0) continue; |
| if (printOnlyOdd && pg % 2 == 1) 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 (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 ((doc->getPageRotate(pg) == 90) || (doc->getPageRotate(pg) == 270)) { |
| tmp = pg_w; |
| pg_w = pg_h; |
| pg_h = tmp; |
| } |
| if (imageFileName) { |
| delete imageFileName; |
| imageFileName = NULL; |
| } |
| if (!printing) |
| imageFileName = getImageFileName(outputFileName, pg_num_len, pg); |
| getOutputSize(pg_w, pg_h, &output_w, &output_h); |
| |
| if (pg == firstPage) |
| beginDocument(outputFileName, output_w, output_h); |
| beginPage(output_w, output_h); |
| renderPage(doc, cairoOut, pg, pg_w, pg_h, output_w, output_h); |
| endPage(imageFileName); |
| } |
| endDocument(); |
| |
| // clean up |
| delete cairoOut; |
| delete doc; |
| delete globalParams; |
| if (fileName) |
| delete fileName; |
| if (outputName) |
| delete outputName; |
| if (outputFileName) |
| delete outputFileName; |
| if (imageFileName) |
| delete imageFileName; |
| if (ownerPW) |
| delete ownerPW; |
| if (userPW) |
| delete ownerPW; |
| |
| #if USE_CMS |
| cmsCloseProfile(profile); |
| if (icc_data) |
| gfree(icc_data); |
| #endif |
| |
| // check for memory leaks |
| Object::memCheck(stderr); |
| gMemReport(stderr); |
| |
| return 0; |
| } |
