X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=inline;f=dvi%2Fdvi-document.c;h=a1097c94563d4b775db61b9a1108bb6149e94813;hb=HEAD;hp=5bbe8f1767ee9a47d0e090ec4957369d11d207bd;hpb=c3e1500a4815225f08e1b20dd066559e8c92c280;p=evince.git diff --git a/dvi/dvi-document.c b/dvi/dvi-document.c deleted file mode 100644 index 5bbe8f17..00000000 --- a/dvi/dvi-document.c +++ /dev/null @@ -1,323 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */ -/* - * Copyright (C) 2005, Nickolay V. Shmyrev - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include - -#include "dvi-document.h" -#include "ev-document-thumbnails.h" - -#include "mdvi.h" -#include "fonts.h" -#include "pixbuf-device.h" - -#include - -GMutex *dvi_context_mutex = NULL; - -enum { - PROP_0, - PROP_TITLE -}; - -struct _DviDocumentClass -{ - GObjectClass parent_class; -}; - -struct _DviDocument -{ - GObject parent_instance; - - DviContext *context; - DviPageSpec *spec; - DviParams *params; - - /* To let document scale we should remember width and height */ - - double base_width; - double base_height; -}; - -typedef struct _DviDocumentClass DviDocumentClass; - -static void dvi_document_document_iface_init (EvDocumentIface *iface); -#if 0 -static void dvi_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface); -#endif -static void dvi_document_get_page_size (EvDocument *document, - int page, - double *width, - double *height); - -G_DEFINE_TYPE_WITH_CODE - (DviDocument, dvi_document, G_TYPE_OBJECT, - { - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, dvi_document_document_iface_init); -#if 0 - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, dvi_document_document_thumbnails_iface_init) -#endif - }); - -static gboolean -dvi_document_load (EvDocument *document, - const char *uri, - GError **error) -{ - gchar *filename; - DviDocument *dvi_document = DVI_DOCUMENT(document); - - filename = g_filename_from_uri (uri, NULL, error); - - if (!filename) - return FALSE; - - if (dvi_document->context) - mdvi_destroy_context (dvi_document->context); - - dvi_document->context = mdvi_init_context(dvi_document->params, dvi_document->spec, filename); - - mdvi_pixbuf_device_init (&dvi_document->context->device); - - dvi_document->base_width = dvi_document->context->dvi_page_w * dvi_document->context->params.conv - + 2 * unit2pix(dvi_document->params->dpi, MDVI_VMARGIN) / dvi_document->params->hshrink; - - dvi_document->base_height = dvi_document->context->dvi_page_h * dvi_document->context->params.vconv - + 2 * unit2pix(dvi_document->params->dpi, MDVI_VMARGIN) / dvi_document->params->vshrink; - - dvi_context_mutex = g_mutex_new (); - - return TRUE; -} - - -static gboolean -dvi_document_save (EvDocument *document, - const char *uri, - GError **error) -{ - g_warning ("dvi_document_save not implemented"); /* FIXME */ - return TRUE; -} - -static int -dvi_document_get_n_pages (EvDocument *document) -{ - DviDocument *dvi_document = DVI_DOCUMENT (document); - return dvi_document->context->npages; -} - -static void -dvi_document_get_page_size (EvDocument *document, - int page, - double *width, - double *height) -{ - DviDocument * dvi_document = DVI_DOCUMENT (document); - - if (width != NULL) - *width = dvi_document->base_width; - - if (height != NULL) - *height = dvi_document->base_height; - - return; -} - -static GdkPixbuf * -dvi_document_render_pixbuf (EvDocument *document, int page, double scale) -{ - GdkPixbuf *pixbuf; - - DviDocument *dvi_document = DVI_DOCUMENT(document); - - gint required_width, required_height; - gint proposed_width, proposed_height; - gint xmargin = 0, ymargin = 0; - - /* We should protect our context since it's not - * thread safe. The work to the future - - * let context render page independently - */ - g_mutex_lock (dvi_context_mutex); - - mdvi_setpage(dvi_document->context, page); - - mdvi_set_shrink (dvi_document->context, - (int)((dvi_document->params->hshrink - 1) / scale) + 1, - (int)((dvi_document->params->vshrink - 1) / scale) + 1); - - required_width = dvi_document->base_width * scale; - required_height = dvi_document->base_height * scale; - proposed_width = dvi_document->context->dvi_page_w * dvi_document->context->params.conv; - proposed_height = dvi_document->context->dvi_page_h * dvi_document->context->params.vconv; - - if (required_width >= proposed_width) - xmargin = (required_width - proposed_width) / 2; - if (required_height >= proposed_height) - ymargin = (required_height - proposed_height) / 2; - - mdvi_pixbuf_device_set_margins (&dvi_document->context->device, xmargin, ymargin); - - mdvi_pixbuf_device_render (dvi_document->context); - - pixbuf = mdvi_pixbuf_device_get_pixbuf (&dvi_document->context->device); - - g_mutex_unlock (dvi_context_mutex); - - return pixbuf; -} - -static void -dvi_document_finalize (GObject *object) -{ - DviDocument *dvi_document = DVI_DOCUMENT(object); - - if (dvi_document->context) - { - mdvi_pixbuf_device_free (&dvi_document->context->device); - mdvi_destroy_context (dvi_document->context); - } - - if (dvi_document->params) - g_free (dvi_document->params); - - G_OBJECT_CLASS (dvi_document_parent_class)->finalize (object); -} - -static void -dvi_document_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - switch (prop_id) - { - case PROP_TITLE: - /* read only */ - break; - } -} - -static void -dvi_document_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - switch (prop_id) - { - case PROP_TITLE: - g_value_set_string (value, NULL); - break; - } -} - -static void -dvi_document_class_init (DviDocumentClass *klass) -{ - GObjectClass *gobject_class = G_OBJECT_CLASS (klass); - - gobject_class->finalize = dvi_document_finalize; - gobject_class->get_property = dvi_document_get_property; - gobject_class->set_property = dvi_document_set_property; - - g_object_class_override_property (gobject_class, PROP_TITLE, "title"); -} - -static char * -dvi_document_get_text (EvDocument *document, gint page, EvRectangle *rect) -{ - /* FIXME this method should not be in EvDocument */ - g_warning ("dvi_document_get_text not implemented"); - return NULL; -} - -static void -dvi_document_document_iface_init (EvDocumentIface *iface) -{ - iface->load = dvi_document_load; - iface->save = dvi_document_save; - iface->get_text = dvi_document_get_text; - iface->get_n_pages = dvi_document_get_n_pages; - iface->get_page_size = dvi_document_get_page_size; - iface->render_pixbuf = dvi_document_render_pixbuf; -} - -#if 0 -static void -dvi_document_thumbnails_get_dimensions (EvDocumentThumbnails *document, - gint page, - gint suggested_width, - gint *width, - gint *height) -{ - return; -} - -static GdkPixbuf * -dvi_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document, - gint page, - gint width) -{ - - return NULL; -} - -static void -dvi_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface) -{ - iface->get_thumbnail = dvi_document_thumbnails_get_thumbnail; - iface->get_dimensions = dvi_document_thumbnails_get_dimensions; -} -#endif - - -static void -dvi_document_init_params (DviDocument *dvi_document) -{ - dvi_document->params = g_new0 (DviParams, 1); - - dvi_document->params->dpi = MDVI_DPI; - dvi_document->params->vdpi = MDVI_VDPI; - dvi_document->params->mag = MDVI_MAGNIFICATION; - dvi_document->params->density = MDVI_DEFAULT_DENSITY; - dvi_document->params->gamma = MDVI_DEFAULT_GAMMA; - dvi_document->params->flags = MDVI_PARAM_ANTIALIASED; - dvi_document->params->hdrift = 0; - dvi_document->params->vdrift = 0; - dvi_document->params->hshrink = MDVI_SHRINK_FROM_DPI(dvi_document->params->dpi); - dvi_document->params->vshrink = MDVI_SHRINK_FROM_DPI(dvi_document->params->dpi); - dvi_document->params->orientation = MDVI_ORIENT_TBLR; - - dvi_document->spec = NULL; - - dvi_document->params->bg = 0xffffffff; - dvi_document->params->fg = 0xff000000; - - mdvi_init_kpathsea("evince", MDVI_MFMODE, MDVI_FALLBACK_FONT, MDVI_DPI); - - mdvi_register_fonts (); -} - -static void -dvi_document_init (DviDocument *dvi_document) -{ - dvi_document->context = NULL; - dvi_document_init_params (dvi_document); -}