X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=djvu%2Fdjvu-document.c;h=25cdb075778153a4ba80cc177274a7c458599f0a;hb=848665b157185945d190a7a746d054d7f5d5e6e0;hp=d82a643f799d4e42a0aa4bbe431fb5a1c087c39d;hpb=891cb3e7733ab34e949e3aeef1f3461ab2431717;p=evince.git diff --git a/djvu/djvu-document.c b/djvu/djvu-document.c index d82a643f..25cdb075 100644 --- a/djvu/djvu-document.c +++ b/djvu/djvu-document.c @@ -44,6 +44,8 @@ struct _DjvuDocument ddjvu_context_t *d_context; ddjvu_document_t *d_document; ddjvu_format_t *d_format; + + EvOrientation orientation; }; typedef struct _DjvuDocumentClass DjvuDocumentClass; @@ -109,6 +111,23 @@ djvu_document_get_n_pages (EvDocument *document) return ddjvu_document_get_pagenum (djvu_document->d_document); } +static EvOrientation +djvu_document_get_orientation (EvDocument *document) +{ + DjvuDocument *djvu_document = DJVU_DOCUMENT (document); + + return djvu_document->orientation; +} + +static void +djvu_document_set_orientation (EvDocument *document, + EvOrientation orientation) +{ + DjvuDocument *djvu_document = DJVU_DOCUMENT (document); + + djvu_document->orientation = orientation; +} + static void djvu_document_get_page_size (EvDocument *document, int page, @@ -125,18 +144,41 @@ djvu_document_get_page_size (EvDocument *document, ddjvu_message_pop (djvu_document->d_context); } - if (width) - *width = info.width * SCALE_FACTOR; - if (height) - *height = info.height * SCALE_FACTOR; + if (djvu_document->orientation == EV_ORIENTATION_PORTRAIT || + djvu_document->orientation == EV_ORIENTATION_UPSIDEDOWN) { + *width = info.width * SCALE_FACTOR; + *height = info.height * SCALE_FACTOR; + } else { + *width = info.height * SCALE_FACTOR; + *height = info.width * SCALE_FACTOR; + } +} + +static GdkPixbuf * +rotate_pixbuf (EvDocument *document, GdkPixbuf *pixbuf) +{ + DjvuDocument *djvu_document = DJVU_DOCUMENT (document); + + switch (djvu_document->orientation) + { + case EV_ORIENTATION_LANDSCAPE: + return gdk_pixbuf_rotate_simple (pixbuf, 90); + case EV_ORIENTATION_UPSIDEDOWN: + return gdk_pixbuf_rotate_simple (pixbuf, 180); + case EV_ORIENTATION_SEASCAPE: + return gdk_pixbuf_rotate_simple (pixbuf, 270); + default: + return g_object_ref (pixbuf); + } } static GdkPixbuf * djvu_document_render_pixbuf (EvDocument *document, - int page, gdouble scale) + EvRenderContext *rc) { DjvuDocument *djvu_document = DJVU_DOCUMENT (document); GdkPixbuf *pixbuf; + GdkPixbuf *rotated_pixbuf; ddjvu_rect_t rrect; ddjvu_rect_t prect; @@ -144,15 +186,15 @@ djvu_document_render_pixbuf (EvDocument *document, double page_width, page_height; - d_page = ddjvu_page_create_by_pageno (djvu_document->d_document, page); + d_page = ddjvu_page_create_by_pageno (djvu_document->d_document, rc->page); while (!ddjvu_page_decoding_done (d_page)) { ddjvu_message_wait (djvu_document->d_context); ddjvu_message_pop (djvu_document->d_context); } - page_width = ddjvu_page_get_width (d_page) * scale * SCALE_FACTOR; - page_height = ddjvu_page_get_height (d_page) * scale * SCALE_FACTOR; + page_width = ddjvu_page_get_width (d_page) * rc->scale * SCALE_FACTOR; + page_height = ddjvu_page_get_height (d_page) * rc->scale * SCALE_FACTOR; pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, page_width, page_height); @@ -168,7 +210,10 @@ djvu_document_render_pixbuf (EvDocument *document, (gchar *)gdk_pixbuf_get_pixels (pixbuf)); - return pixbuf; + rotated_pixbuf = rotate_pixbuf (document, pixbuf); + g_object_unref (pixbuf); + + return rotated_pixbuf; } static void @@ -219,6 +264,8 @@ djvu_document_document_iface_init (EvDocumentIface *iface) iface->get_page_size = djvu_document_get_page_size; iface->render_pixbuf = djvu_document_render_pixbuf; iface->get_info = djvu_document_get_info; + iface->set_orientation = djvu_document_set_orientation; + iface->get_orientation = djvu_document_get_orientation; } static void