X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=sidebyside;f=backend%2Fdvi%2Fdvi-document.c;h=a1097c94563d4b775db61b9a1108bb6149e94813;hb=b1afb3adfd0cbad343abe98986e7aef74b280b89;hp=56d8bbb84aa7facd1553671528934244e4626676;hpb=4ce480dd80453275c10c3b99f988667c2f1bdfff;p=evince.git diff --git a/backend/dvi/dvi-document.c b/backend/dvi/dvi-document.c index 56d8bbb8..a1097c94 100644 --- a/backend/dvi/dvi-document.c +++ b/backend/dvi/dvi-document.c @@ -17,16 +17,23 @@ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#include "config.h" + #include "dvi-document.h" #include "ev-document-thumbnails.h" #include "ev-document-misc.h" +#include "ev-file-exporter.h" +#include "ev-file-helpers.h" #include "mdvi.h" #include "fonts.h" +#include "color.h" #include "cairo-device.h" -#include -#include +#include +#include +#include +#include GMutex *dvi_context_mutex = NULL; @@ -53,25 +60,25 @@ struct _DviDocument double base_height; gchar *uri; + + /* PDF exporter */ + gchar *exporter_filename; + GString *exporter_opts; }; typedef struct _DviDocumentClass DviDocumentClass; static void dvi_document_document_iface_init (EvDocumentIface *iface); static void dvi_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface); -static void dvi_document_get_page_size (EvDocument *document, - int page, - double *width, - double *height); +static void dvi_document_file_exporter_iface_init (EvFileExporterIface *iface); static void dvi_document_do_color_special (DviContext *dvi, const char *prefix, const char *arg); -G_DEFINE_TYPE_WITH_CODE - (DviDocument, dvi_document, G_TYPE_OBJECT, - { - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, dvi_document_document_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, dvi_document_document_thumbnails_iface_init) +EV_BACKEND_REGISTER_WITH_CODE (DviDocument, dvi_document, + { + EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, dvi_document_document_thumbnails_iface_init); + EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, dvi_document_file_exporter_iface_init); }); static gboolean @@ -83,27 +90,22 @@ dvi_document_load (EvDocument *document, DviDocument *dvi_document = DVI_DOCUMENT(document); filename = g_filename_from_uri (uri, NULL, error); - - if (!filename) { - g_set_error (error, - EV_DOCUMENT_ERROR, - EV_DOCUMENT_ERROR_INVALID, - _("File not available")); + if (!filename) return FALSE; - } g_mutex_lock (dvi_context_mutex); if (dvi_document->context) mdvi_destroy_context (dvi_document->context); - + dvi_document->context = mdvi_init_context(dvi_document->params, dvi_document->spec, filename); g_mutex_unlock (dvi_context_mutex); + g_free (filename); if (!dvi_document->context) { - g_set_error (error, - EV_DOCUMENT_ERROR, - EV_DOCUMENT_ERROR_INVALID, - _("DVI document has incorrect format")); + g_set_error_literal (error, + EV_DOCUMENT_ERROR, + EV_DOCUMENT_ERROR_INVALID, + _("DVI document has incorrect format")); return FALSE; } @@ -143,7 +145,7 @@ dvi_document_get_n_pages (EvDocument *document) static void dvi_document_get_page_size (EvDocument *document, - int page, + EvPage *page, double *width, double *height) { @@ -170,7 +172,7 @@ dvi_document_render (EvDocument *document, */ g_mutex_lock (dvi_context_mutex); - mdvi_setpage (dvi_document->context, rc->page); + mdvi_setpage (dvi_document->context, rc->page->index); mdvi_set_shrink (dvi_document->context, (int)((dvi_document->params->hshrink - 1) / rc->scale) + 1, @@ -217,6 +219,12 @@ dvi_document_finalize (GObject *object) if (dvi_document->params) g_free (dvi_document->params); + if (dvi_document->exporter_filename) + g_free (dvi_document->exporter_filename); + + if (dvi_document->exporter_opts) + g_string_free (dvi_document->exporter_opts, TRUE); + g_free (dvi_document->uri); G_OBJECT_CLASS (dvi_document_parent_class)->finalize (object); @@ -237,12 +245,6 @@ dvi_document_class_init (DviDocumentClass *klass) dvi_context_mutex = g_mutex_new (); } -static gboolean -dvi_document_can_get_text (EvDocument *document) -{ - return FALSE; -} - static EvDocumentInfo * dvi_document_get_info (EvDocument *document) { @@ -258,7 +260,6 @@ dvi_document_document_iface_init (EvDocumentIface *iface) { iface->load = dvi_document_load; iface->save = dvi_document_save; - iface->can_get_text = dvi_document_can_get_text; iface->get_n_pages = dvi_document_get_n_pages; iface->get_page_size = dvi_document_get_page_size; iface->render = dvi_document_render; @@ -268,8 +269,8 @@ dvi_document_document_iface_init (EvDocumentIface *iface) static void dvi_document_thumbnails_get_dimensions (EvDocumentThumbnails *document, EvRenderContext *rc, - gint *width, - gint *height) + gint *width, + gint *height) { DviDocument *dvi_document = DVI_DOCUMENT (document); gdouble page_width = dvi_document->base_width; @@ -301,7 +302,7 @@ dvi_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document, g_mutex_lock (dvi_context_mutex); - mdvi_setpage (dvi_document->context, rc->page); + mdvi_setpage (dvi_document->context, rc->page->index); mdvi_set_shrink (dvi_document->context, (int)dvi_document->base_width * dvi_document->params->hshrink / thumb_width, @@ -348,10 +349,88 @@ dvi_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface) iface->get_dimensions = dvi_document_thumbnails_get_dimensions; } +/* EvFileExporterIface */ +static void +dvi_document_file_exporter_begin (EvFileExporter *exporter, + EvFileExporterContext *fc) +{ + DviDocument *dvi_document = DVI_DOCUMENT(exporter); + + if (dvi_document->exporter_filename) + g_free (dvi_document->exporter_filename); + dvi_document->exporter_filename = g_strdup (fc->filename); + + if (dvi_document->exporter_opts) { + g_string_free (dvi_document->exporter_opts, TRUE); + } + dvi_document->exporter_opts = g_string_new ("-s "); +} + +static void +dvi_document_file_exporter_do_page (EvFileExporter *exporter, + EvRenderContext *rc) +{ + DviDocument *dvi_document = DVI_DOCUMENT(exporter); + + g_string_append_printf (dvi_document->exporter_opts, "%d,", (rc->page->index) + 1); +} + +static void +dvi_document_file_exporter_end (EvFileExporter *exporter) +{ + gchar *command_line; + gint exit_stat; + GError *err = NULL; + gboolean success; + + DviDocument *dvi_document = DVI_DOCUMENT(exporter); + + command_line = g_strdup_printf ("dvipdfm %s -o %s \"%s\"", /* dvipdfm -s 1,2,.., -o exporter_filename dvi_filename */ + dvi_document->exporter_opts->str, + dvi_document->exporter_filename, + dvi_document->context->filename); + + success = g_spawn_command_line_sync (command_line, + NULL, + NULL, + &exit_stat, + &err); + + g_free (command_line); + + if (success == FALSE) { + g_warning ("Error: %s", err->message); + } else if (!WIFEXITED(exit_stat) || WEXITSTATUS(exit_stat) != EXIT_SUCCESS){ + g_warning ("Error: dvipdfm does not end normally or exit with a failure status."); + } + + if (err) + g_error_free (err); +} + +static EvFileExporterCapabilities +dvi_document_file_exporter_get_capabilities (EvFileExporter *exporter) +{ + return EV_FILE_EXPORTER_CAN_PAGE_SET | + EV_FILE_EXPORTER_CAN_COPIES | + EV_FILE_EXPORTER_CAN_COLLATE | + EV_FILE_EXPORTER_CAN_REVERSE | + EV_FILE_EXPORTER_CAN_GENERATE_PDF; +} + +static void +dvi_document_file_exporter_iface_init (EvFileExporterIface *iface) +{ + iface->begin = dvi_document_file_exporter_begin; + iface->do_page = dvi_document_file_exporter_do_page; + iface->end = dvi_document_file_exporter_end; + iface->get_capabilities = dvi_document_file_exporter_get_capabilities; +} + #define RGB2ULONG(r,g,b) ((0xFF<<24)|(r<<16)|(g<<8)|(b)) static gboolean -hsb2rgb (float h, float s, float v, char *red, char *green, char *blue) +hsb2rgb (float h, float s, float v, guchar *red, guchar *green, guchar *blue) { float i, f, p, q, t, r, g, b; @@ -395,9 +474,9 @@ hsb2rgb (float h, float s, float v, char *red, char *green, char *blue) b = q; } - (*red) = (char)floor(r * 255); - (*green) = (char)floor(g * 255); - (*blue) = (char)floor(b * 255); + *red = (guchar)floor(r * 255.0); + *green = (guchar)floor(g * 255.0); + *blue = (guchar)floor(b * 255.0); return TRUE; } @@ -524,4 +603,7 @@ dvi_document_init (DviDocument *dvi_document) { dvi_document->context = NULL; dvi_document_init_params (dvi_document); + + dvi_document->exporter_filename = NULL; + dvi_document->exporter_opts = NULL; }