X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=dvi%2Fdvi-document.c;h=0aff86a3afde24e7b779040444f8a207e94a20bc;hb=848665b157185945d190a7a746d054d7f5d5e6e0;hp=61526d2d54e9d54ab3faf4ed4f9b173daf2db77a;hpb=1a9dc517d24c563078b45a9d1a0c82ef3c710fef;p=evince.git

diff --git a/dvi/dvi-document.c b/dvi/dvi-document.c
index 61526d2d..0aff86a3 100644
--- a/dvi/dvi-document.c
+++ b/dvi/dvi-document.c
@@ -28,6 +28,7 @@
 #include "pixbuf-device.h"
 
 #include <gtk/gtk.h>
+#include <glib/gi18n.h>
 
 GMutex *dvi_context_mutex = NULL;
 
@@ -53,6 +54,8 @@ struct _DviDocument
 	
 	double base_width;
 	double base_height;
+
+	EvOrientation orientation;
 };
 
 typedef struct _DviDocumentClass DviDocumentClass;
@@ -81,21 +84,34 @@ dvi_document_load (EvDocument  *document,
     
     filename = g_filename_from_uri (uri, NULL, error);
     
-    if (!filename)
-    	return FALSE;
+    if (!filename) {
+		g_set_error (error,
+			     EV_DOCUMENT_ERROR,
+			     EV_DOCUMENT_ERROR_INVALID,
+			     _("File not available"));
+        	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);
 
+    if (!dvi_document->context) {
+    		g_set_error (error,
+			     EV_DOCUMENT_ERROR,
+			     EV_DOCUMENT_ERROR_INVALID,
+			     _("DVI document has incorrect format"));
+        	return FALSE;
+    }
+
     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;
+		+ 2 * unit2pix(dvi_document->params->dpi, MDVI_HMARGIN) / 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;
+	        + 2 * unit2pix(dvi_document->params->vdpi, MDVI_VMARGIN) / dvi_document->params->vshrink;
 
     dvi_context_mutex = g_mutex_new ();
 
@@ -120,6 +136,24 @@ dvi_document_get_n_pages (EvDocument  *document)
     return dvi_document->context->npages;
 }
 
+static EvOrientation
+dvi_document_get_orientation (EvDocument *document)
+{
+	DviDocument *dvi_document = DVI_DOCUMENT (document);
+
+	return dvi_document->orientation;
+}
+
+static void
+dvi_document_set_orientation (EvDocument *document,
+		 	      EvOrientation   orientation)
+{
+	DviDocument *dvi_document = DVI_DOCUMENT (document);
+
+	dvi_document->orientation = orientation;
+}
+
+
 static void
 dvi_document_get_page_size (EvDocument   *document,
 			    int       page,
@@ -127,20 +161,43 @@ dvi_document_get_page_size (EvDocument   *document,
 			    double    *height)
 {
 	DviDocument * dvi_document = DVI_DOCUMENT (document);	
-	
-	if (width != NULL)
-    	    *width = dvi_document->base_width;
 
-	if (height != NULL)
-	    *height = dvi_document->base_height;
-			    
+	if (dvi_document->orientation == EV_ORIENTATION_PORTRAIT ||
+            dvi_document->orientation ==  EV_ORIENTATION_UPSIDEDOWN) {
+	        *width = dvi_document->base_width;
+	        *height = dvi_document->base_height;;
+	} else {
+	        *width = dvi_document->base_height;
+	        *height = dvi_document->base_width;
+	}
+				    
 	return;
 }
 
 static GdkPixbuf *
-dvi_document_render_pixbuf (EvDocument  *document, int page, double scale)
+rotate_pixbuf (EvDocument *document, GdkPixbuf *pixbuf)
+{
+	DviDocument *dvi_document = DVI_DOCUMENT (document);
+
+	switch (dvi_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 *
+dvi_document_render_pixbuf (EvDocument  *document,
+			    EvRenderContext *rc)
 {
 	GdkPixbuf *pixbuf;
+	GdkPixbuf *rotated_pixbuf;
 
 	DviDocument *dvi_document = DVI_DOCUMENT(document);
 
@@ -154,14 +211,14 @@ dvi_document_render_pixbuf (EvDocument  *document, int page, double scale)
 	 */
 	g_mutex_lock (dvi_context_mutex);
 	
-	mdvi_setpage(dvi_document->context,  page);
+	mdvi_setpage(dvi_document->context,  rc->page);
 	
 	mdvi_set_shrink (dvi_document->context, 
-			 (int)((dvi_document->params->hshrink - 1) / scale) + 1,
-			 (int)((dvi_document->params->vshrink - 1) / scale) + 1);
+			 (int)((dvi_document->params->hshrink - 1) / rc->scale) + 1,
+			 (int)((dvi_document->params->vshrink - 1) / rc->scale) + 1);
 
-	required_width = dvi_document->base_width * scale;
-	required_height = dvi_document->base_height * scale;
+	required_width = dvi_document->base_width * rc->scale;
+	required_height = dvi_document->base_height * rc->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;
 	
@@ -178,7 +235,10 @@ dvi_document_render_pixbuf (EvDocument  *document, int page, double scale)
 
 	g_mutex_unlock (dvi_context_mutex);
 
-	return pixbuf;
+        rotated_pixbuf = rotate_pixbuf (document, pixbuf);
+        g_object_unref (pixbuf);
+
+	return rotated_pixbuf;
 }
 
 static void
@@ -233,6 +293,8 @@ dvi_document_document_iface_init (EvDocumentIface *iface)
 	iface->get_page_size = dvi_document_get_page_size;
 	iface->render_pixbuf = dvi_document_render_pixbuf;
 	iface->get_info = dvi_document_get_info;
+	iface->get_orientation = dvi_document_get_orientation;
+	iface->set_orientation = dvi_document_set_orientation;
 }
 
 static void
@@ -272,7 +334,7 @@ dvi_document_thumbnails_get_thumbnail (EvDocumentThumbnails   *document,
 
 	mdvi_set_shrink (dvi_document->context, 
 			  (int)dvi_document->base_width * dvi_document->params->hshrink / thumb_width,
-			  (int)dvi_document->base_width * dvi_document->params->vshrink / thumb_height);
+			  (int)dvi_document->base_height * dvi_document->params->vshrink / thumb_height);
 
 	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;
@@ -328,7 +390,7 @@ dvi_document_init_params (DviDocument *dvi_document)
 	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->vshrink  =  MDVI_SHRINK_FROM_DPI(dvi_document->params->vdpi);
 	dvi_document->params->orientation = MDVI_ORIENT_TBLR;
 
 	dvi_document->spec = NULL;