diff options
Diffstat (limited to 'pdf')
| -rw-r--r-- | pdf/ev-poppler.cc | 140 |
1 files changed, 116 insertions, 24 deletions
diff --git a/pdf/ev-poppler.cc b/pdf/ev-poppler.cc index dc5510e..a90c524 100644 --- a/pdf/ev-poppler.cc +++ b/pdf/ev-poppler.cc @@ -17,16 +17,19 @@ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#include "config.h" + #include <math.h> #include <string.h> #include <gtk/gtk.h> #include <poppler.h> #include <poppler-document.h> #include <poppler-page.h> +#include <cairo-pdf.h> #include <glib/gi18n.h> #include "ev-poppler.h" -#include "ev-ps-exporter.h" +#include "ev-file-exporter.h" #include "ev-document-find.h" #include "ev-document-misc.h" #include "ev-document-links.h" @@ -45,6 +48,12 @@ typedef struct { int search_page; } PdfDocumentSearch; +typedef struct { + EvFileExporterFormat format; + PopplerPSFile *ps_file; + cairo_t *pdf_cairo; +} PdfPrintContext; + struct _PdfDocumentClass { GObjectClass parent_class; @@ -55,7 +64,6 @@ struct _PdfDocument GObject parent_instance; PopplerDocument *document; - PopplerPSFile *ps_file; gchar *password; PopplerFontInfo *font_info; @@ -63,6 +71,7 @@ struct _PdfDocument int fonts_scanned_pages; PdfDocumentSearch *search; + PdfPrintContext *print_ctx; }; static void pdf_document_document_iface_init (EvDocumentIface *iface); @@ -71,7 +80,7 @@ static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIfa static void pdf_document_document_links_iface_init (EvDocumentLinksIface *iface); static void pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface); static void pdf_document_find_iface_init (EvDocumentFindIface *iface); -static void pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface); +static void pdf_document_file_exporter_iface_init (EvFileExporterIface *iface); static void pdf_selection_iface_init (EvSelectionIface *iface); static void pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails, gint page, @@ -85,6 +94,7 @@ static EvLinkDest *ev_link_dest_from_dest (PdfDocument *pdf_document, static EvLink *ev_link_from_action (PdfDocument *pdf_document, PopplerAction *action); static void pdf_document_search_free (PdfDocumentSearch *search); +static void pdf_print_context_free (PdfPrintContext *ctx); G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT, @@ -101,8 +111,8 @@ G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT, pdf_document_document_fonts_iface_init); G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND, pdf_document_find_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_PS_EXPORTER, - pdf_document_ps_exporter_iface_init); + G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, + pdf_document_file_exporter_iface_init); G_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION, pdf_selection_iface_init); }); @@ -147,6 +157,11 @@ pdf_document_dispose (GObject *object) { PdfDocument *pdf_document = PDF_DOCUMENT(object); + if (pdf_document->print_ctx) { + pdf_print_context_free (pdf_document->print_ctx); + pdf_document->print_ctx = NULL; + } + if (pdf_document->search) { pdf_document_search_free (pdf_document->search); pdf_document->search = NULL; @@ -1398,51 +1413,128 @@ pdf_document_find_iface_init (EvDocumentFindIface *iface) iface->cancel = pdf_document_find_cancel; } +static const gboolean supported_formats[] = { + TRUE, /* EV_FILE_FORMAT_PS */ +#ifdef HAVE_POPPLER_PAGE_RENDER + TRUE, /* EV_FILE_FORMAT_PDF */ +#else + FALSE, /* EV_FILE_FORMAT_PDF */ +#endif +}; + +static void +pdf_print_context_free (PdfPrintContext *ctx) +{ + if (!ctx) + return; + + if (ctx->ps_file) { + poppler_ps_file_free (ctx->ps_file); + ctx->ps_file = NULL; + } + + if (ctx->pdf_cairo) { + cairo_destroy (ctx->pdf_cairo); + ctx->pdf_cairo = NULL; + } + + g_free (ctx); +} + +static gboolean +pdf_document_file_exporter_format_supported (EvFileExporter *exporter, + EvFileExporterFormat format) +{ + return supported_formats[format]; +} + static void -pdf_document_ps_exporter_begin (EvPSExporter *exporter, const char *filename, - int first_page, int last_page, - double width, double height, gboolean duplex) +pdf_document_file_exporter_begin (EvFileExporter *exporter, + EvFileExporterFormat format, + const char *filename, + int first_page, + int last_page, + double width, + double height, + gboolean duplex) { PdfDocument *pdf_document = PDF_DOCUMENT (exporter); + PdfPrintContext *ctx; + + if (pdf_document->print_ctx) + pdf_print_context_free (pdf_document->print_ctx); + pdf_document->print_ctx = g_new0 (PdfPrintContext, 1); + ctx = pdf_document->print_ctx; + ctx->format = format; - pdf_document->ps_file = poppler_ps_file_new (pdf_document->document, filename, - first_page, - last_page - first_page + 1); - poppler_ps_file_set_paper_size (pdf_document->ps_file, width, height); - poppler_ps_file_set_duplex (pdf_document->ps_file, duplex); + switch (format) { + case EV_FILE_FORMAT_PS: + ctx->ps_file = poppler_ps_file_new (pdf_document->document, + filename, first_page, + last_page - first_page + 1); + poppler_ps_file_set_paper_size (ctx->ps_file, width, height); + poppler_ps_file_set_duplex (ctx->ps_file, duplex); + + break; + case EV_FILE_FORMAT_PDF: { + cairo_surface_t *surface; + + surface = cairo_pdf_surface_create (filename, width, height); + ctx->pdf_cairo = cairo_create (surface); + cairo_surface_destroy (surface); + } + break; + default: + g_assert_not_reached (); + } } static void -pdf_document_ps_exporter_do_page (EvPSExporter *exporter, EvRenderContext *rc) +pdf_document_file_exporter_do_page (EvFileExporter *exporter, EvRenderContext *rc) { PdfDocument *pdf_document = PDF_DOCUMENT (exporter); + PdfPrintContext *ctx = pdf_document->print_ctx; PopplerPage *poppler_page; - g_return_if_fail (pdf_document->ps_file != NULL); + g_return_if_fail (pdf_document->print_ctx != NULL); poppler_page = poppler_document_get_page (pdf_document->document, rc->page); - poppler_page_render_to_ps (poppler_page, pdf_document->ps_file); + + switch (ctx->format) { + case EV_FILE_FORMAT_PS: + poppler_page_render_to_ps (poppler_page, ctx->ps_file); + break; + case EV_FILE_FORMAT_PDF: +#ifdef HAVE_POPPLER_PAGE_RENDER + poppler_page_render (poppler_page, ctx->pdf_cairo); +#endif + cairo_show_page (ctx->pdf_cairo); + break; + default: + g_assert_not_reached (); + } + g_object_unref (poppler_page); } static void -pdf_document_ps_exporter_end (EvPSExporter *exporter) +pdf_document_file_exporter_end (EvFileExporter *exporter) { PdfDocument *pdf_document = PDF_DOCUMENT (exporter); - poppler_ps_file_free (pdf_document->ps_file); - pdf_document->ps_file = NULL; + pdf_print_context_free (pdf_document->print_ctx); + pdf_document->print_ctx = NULL; } static void -pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface) +pdf_document_file_exporter_iface_init (EvFileExporterIface *iface) { - iface->begin = pdf_document_ps_exporter_begin; - iface->do_page = pdf_document_ps_exporter_do_page; - iface->end = pdf_document_ps_exporter_end; + iface->format_supported = pdf_document_file_exporter_format_supported; + iface->begin = pdf_document_file_exporter_begin; + iface->do_page = pdf_document_file_exporter_do_page; + iface->end = pdf_document_file_exporter_end; } - void pdf_selection_render_selection (EvSelection *selection, EvRenderContext *rc, |