From 85fa11d86616d3a9c5a5cfeba78dd7aa72e7997a Mon Sep 17 00:00:00 2001 From: Carlos Garcia Campos Date: Sun, 29 Jul 2007 14:15:17 +0000 Subject: Allow printing multiple pages per sheet. Fixes bug #395573. 2007-07-29 Carlos Garcia Campos * configure.ac: * backend/pdf/ev-poppler.cc: (pdf_print_context_free), (pdf_document_file_exporter_begin), (pdf_document_file_exporter_do_page), (pdf_document_file_exporter_get_capabilities): * libdocument/ev-file-exporter.h: * shell/ev-jobs.[ch]: (ev_job_print_new), (ev_job_print_run): * shell/ev-window.c: (ev_window_print_send), (ev_window_print_dialog_response_cb): Allow printing multiple pages per sheet. Fixes bug #395573. svn path=/trunk/; revision=2591 --- (limited to 'backend/pdf') diff --git a/backend/pdf/ev-poppler.cc b/backend/pdf/ev-poppler.cc index 4b6b114..38a96a5 100644 --- a/backend/pdf/ev-poppler.cc +++ b/backend/pdf/ev-poppler.cc @@ -32,6 +32,9 @@ #ifdef HAVE_CAIRO_PDF #include #endif +#ifdef HAVE_CAIRO_PS +#include +#endif #include #include "ev-poppler.h" @@ -49,6 +52,10 @@ #include "ev-attachment.h" #include "ev-image.h" +#if defined (HAVE_CAIRO_PDF) || defined (HAVE_CAIRO_PS) +#define HAVE_CAIRO_PRINT +#endif + typedef struct { PdfDocument *document; char *text; @@ -61,8 +68,17 @@ typedef struct { typedef struct { EvFileExporterFormat format; PopplerPSFile *ps_file; -#ifdef HAVE_CAIRO_PDF - cairo_t *pdf_cairo; + + /* Pages per sheet */ + gint pages_per_sheet; + gint pages_printed; + gint pages_x; + gint pages_y; + gdouble page_width; + gdouble page_height; + +#ifdef HAVE_CAIRO_PRINT + cairo_t *cr; #endif } PdfPrintContext; @@ -1516,10 +1532,10 @@ pdf_print_context_free (PdfPrintContext *ctx) poppler_ps_file_free (ctx->ps_file); ctx->ps_file = NULL; } -#ifdef HAVE_CAIRO_PDF - if (ctx->pdf_cairo) { - cairo_destroy (ctx->pdf_cairo); - ctx->pdf_cairo = NULL; +#ifdef HAVE_CAIRO_PRINT + if (ctx->cr) { + cairo_destroy (ctx->cr); + ctx->cr = NULL; } #endif g_free (ctx); @@ -1531,35 +1547,87 @@ pdf_document_file_exporter_begin (EvFileExporter *exporter, { PdfDocument *pdf_document = PDF_DOCUMENT (exporter); PdfPrintContext *ctx; - + gdouble width, height; + gboolean change_orient = FALSE; +#ifdef HAVE_CAIRO_PRINT + cairo_surface_t *surface = NULL; +#endif + 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 = fc->format; - + ctx->pages_per_sheet = fc->pages_per_sheet; + + switch (fc->pages_per_sheet) { + default: + case 1: + ctx->pages_x = 1; + ctx->pages_y = 1; + break; + case 2: + change_orient = TRUE; + ctx->pages_x = 2; + ctx->pages_y = 1; + break; + case 4: + ctx->pages_x = 2; + ctx->pages_y = 2; + break; + case 6: + change_orient = TRUE; + ctx->pages_x = 3; + ctx->pages_y = 2; + break; + case 9: + ctx->pages_x = 3; + ctx->pages_y = 3; + break; + case 16: + ctx->pages_x = 4; + ctx->pages_y = 4; + break; + } + + if (change_orient) { + width = fc->paper_height; + height = fc->paper_width; + } else { + width = fc->paper_width; + height = fc->paper_height; + } + + ctx->page_width = width / ctx->pages_x; + ctx->page_height = height / ctx->pages_y; + + ctx->pages_printed = 0; + switch (fc->format) { case EV_FILE_FORMAT_PS: +#ifdef HAVE_CAIRO_PS + surface = cairo_ps_surface_create (fc->filename, width, height); +#else ctx->ps_file = poppler_ps_file_new (pdf_document->document, fc->filename, fc->first_page, fc->last_page - fc->first_page + 1); poppler_ps_file_set_paper_size (ctx->ps_file, fc->paper_width, fc->paper_height); poppler_ps_file_set_duplex (ctx->ps_file, fc->duplex); - +#endif /* HAVE_CAIRO_PS */ break; - case EV_FILE_FORMAT_PDF: { + case EV_FILE_FORMAT_PDF: #ifdef HAVE_CAIRO_PDF - cairo_surface_t *surface; - - surface = cairo_pdf_surface_create (fc->filename, fc->paper_width, fc->paper_height); - ctx->pdf_cairo = cairo_create (surface); - cairo_surface_destroy (surface); + surface = cairo_pdf_surface_create (fc->filename, width, height); #endif - } break; default: g_assert_not_reached (); } + +#ifdef HAVE_CAIRO_PRINT + ctx->cr = cairo_create (surface); + cairo_surface_destroy (surface); +#endif } static void @@ -1569,30 +1637,41 @@ pdf_document_file_exporter_do_page (EvFileExporter *exporter, PdfDocument *pdf_document = PDF_DOCUMENT (exporter); PdfPrintContext *ctx = pdf_document->print_ctx; PopplerPage *poppler_page; +#ifdef HAVE_CAIRO_PRINT + gdouble page_width, page_height; + gint x, y; +#endif g_return_if_fail (pdf_document->print_ctx != NULL); poppler_page = poppler_document_get_page (pdf_document->document, rc->page); + +#ifdef HAVE_CAIRO_PRINT + x = (ctx->pages_printed % ctx->pages_per_sheet) % ctx->pages_x; + y = (ctx->pages_printed % ctx->pages_per_sheet) / ctx->pages_x; + poppler_page_get_size (poppler_page, &page_width, &page_height); + + cairo_save (ctx->cr); + cairo_translate (ctx->cr, + x * ctx->page_width, + y * ctx->page_height); + cairo_scale (ctx->cr, + ctx->page_width / page_width, + ctx->page_height / page_height); - 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_CAIRO_PDF - cairo_save (ctx->pdf_cairo); -#endif #ifdef HAVE_POPPLER_PAGE_RENDER - poppler_page_render (poppler_page, ctx->pdf_cairo); -#endif -#ifdef HAVE_CAIRO_PDF - cairo_show_page (ctx->pdf_cairo); - cairo_restore (ctx->pdf_cairo); + poppler_page_render (poppler_page, ctx->cr); #endif - break; - default: - g_assert_not_reached (); + ctx->pages_printed++; + + if (ctx->pages_printed % ctx->pages_per_sheet == 0) { + cairo_show_page (ctx->cr); } + cairo_restore (ctx->cr); +#else /* HAVE_CAIRO_PRINT */ + if (ctx->format == EV_FILE_FORMAT_PS) + poppler_page_render_to_ps (poppler_page, ctx->ps_file); +#endif /* HAVE_CAIRO_PRINT */ g_object_unref (poppler_page); } @@ -1615,6 +1694,14 @@ pdf_document_file_exporter_get_capabilities (EvFileExporter *exporter) EV_FILE_EXPORTER_CAN_COLLATE | EV_FILE_EXPORTER_CAN_REVERSE | EV_FILE_EXPORTER_CAN_SCALE | +#ifdef HAVE_CAIRO_PRINT +#ifdef HAVE_POPPLER_PAGE_RENDER +#if GTK_CHECK_VERSION (2, 11, 1) + EV_FILE_EXPORTER_CAN_NUMBER_UP | +#endif +#endif +#endif + #ifdef HAVE_CAIRO_PDF #ifdef HAVE_POPPLER_PAGE_RENDER EV_FILE_EXPORTER_CAN_GENERATE_PDF | -- cgit v0.9.1