X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=inline;f=backend%2Fdvi%2Fcairo-device.c;h=47425cad7e0be21a503a449c8fff618f525c35bb;hb=9f258bd6009e1ae92579cf159d81ad8c28280666;hp=19006d2e36818660d412fecd657d2218ce6d3532;hpb=4ce480dd80453275c10c3b99f988667c2f1bdfff;p=evince.git

diff --git a/backend/dvi/cairo-device.c b/backend/dvi/cairo-device.c
index 19006d2e..47425cad 100644
--- a/backend/dvi/cairo-device.c
+++ b/backend/dvi/cairo-device.c
@@ -13,10 +13,17 @@
  *
  * 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.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#include <gdk/gdkcolor.h>
+#include <config.h>
+
+#include <stdlib.h>
+#include <gdk/gdk.h>
+#ifdef HAVE_SPECTRE
+#include <libspectre/spectre.h>
+#endif
+
 #include "cairo-device.h"
 
 typedef struct {
@@ -48,7 +55,9 @@ dvi_cairo_draw_glyph (DviContext  *dvi,
 
 	glyph = &ch->grey;
 
-	isbox = (glyph->data == NULL || (dvi->params.flags & MDVI_PARAM_CHARBOXES));
+	isbox = (glyph->data == NULL ||
+	         (dvi->params.flags & MDVI_PARAM_CHARBOXES) ||
+	         MDVI_GLYPH_ISEMPTY (glyph->data));
 
 	x = - glyph->x + x0 + cairo_device->xmargin;
 	y = - glyph->y + y0 + cairo_device->ymargin;
@@ -116,6 +125,73 @@ dvi_cairo_draw_rule (DviContext *dvi,
 	cairo_restore (cairo_device->cr);
 }
 
+#ifdef HAVE_SPECTRE
+static void
+dvi_cairo_draw_ps (DviContext *dvi,
+		   const char *filename,
+		   int         x,
+		   int         y,
+		   Uint        width,
+		   Uint        height)
+{
+	DviCairoDevice       *cairo_device;
+	unsigned char        *data = NULL;
+	int                   row_length;
+	SpectreDocument      *psdoc;
+	SpectreRenderContext *rc;
+	int                   w, h;
+	SpectreStatus         status;
+	cairo_surface_t      *image;
+
+	cairo_device = (DviCairoDevice *) dvi->device.device_data;
+
+	psdoc = spectre_document_new ();
+	spectre_document_load (psdoc, filename);
+	if (spectre_document_status (psdoc)) {
+		spectre_document_free (psdoc);
+		return;
+	}
+
+	spectre_document_get_page_size (psdoc, &w, &h);
+
+	rc = spectre_render_context_new ();
+	spectre_render_context_set_scale (rc,
+					  (double)width / w,
+					  (double)height / h);
+	spectre_document_render_full (psdoc, rc, &data, &row_length);	
+	status = spectre_document_status (psdoc);
+
+	spectre_render_context_free (rc);
+	spectre_document_free (psdoc);
+
+	if (status) {
+		g_warning ("Error rendering PS document %s: %s\n",
+			   filename, spectre_status_to_string (status));
+		free (data);
+		
+		return;
+	}
+
+	image = cairo_image_surface_create_for_data ((unsigned char *)data,
+						     CAIRO_FORMAT_RGB24,
+						     width, height,
+						     row_length);
+
+	cairo_save (cairo_device->cr);
+
+	cairo_translate (cairo_device->cr,
+			 x + cairo_device->xmargin,
+			 y + cairo_device->ymargin);
+	cairo_set_source_surface (cairo_device->cr, image, 0, 0); 
+	cairo_paint (cairo_device->cr);
+
+	cairo_restore (cairo_device->cr);
+
+	cairo_surface_destroy (image);
+	free (data);
+}
+#endif /* HAVE_SPECTRE */
+
 static int
 dvi_cairo_alloc_colors (void  *device_data,
 			Ulong *pixels,
@@ -171,19 +247,16 @@ dvi_cairo_free_image (void *ptr)
 static void
 dvi_cairo_put_pixel (void *image, int x, int y, Ulong color)
 {
-	cairo_t         *cr;
 	cairo_surface_t *surface;
 	gint             rowstride;
-	guchar          *p;
+	guint32         *p;
 
 	surface = (cairo_surface_t *) image;
 
 	rowstride = cairo_image_surface_get_stride (surface);
-	p = cairo_image_surface_get_data (surface) + y * rowstride + x * 4;
+	p = (guint32*) (cairo_image_surface_get_data (surface) + y * rowstride + x * 4);
 
-	p[2] = (color >> 16) & 0xff;
-	p[1] = (color >> 8) & 0xff;
-	p[0] = (color >> 0) & 0xff;
+	*p = color;
 }
 
 static void
@@ -208,6 +281,11 @@ mdvi_cairo_device_init (DviDevice *device)
 	device->free_image = dvi_cairo_free_image;
 	device->put_pixel = dvi_cairo_put_pixel;
 	device->set_color = dvi_cairo_set_color;
+#ifdef HAVE_SPECTRE
+	device->draw_ps = dvi_cairo_draw_ps;
+#else
+	device->draw_ps = NULL;
+#endif
 	device->refresh = NULL;
 }
 
@@ -241,7 +319,7 @@ mdvi_cairo_device_render (DviContext* dvi)
 	gint             page_width;
 	gint             page_height;
 	cairo_surface_t *surface;
-	gchar           *pixels;
+	guchar          *pixels;
 	gint             rowstride;
 	static const cairo_user_data_key_t key;
 
@@ -254,7 +332,7 @@ mdvi_cairo_device_render (DviContext* dvi)
 	page_height = dvi->dvi_page_h * dvi->params.vconv + 2 * cairo_device->ymargin;
 
 	rowstride = page_width * 4;
-	pixels = (gchar *) g_malloc (page_height * rowstride);
+	pixels = (guchar *) g_malloc (page_height * rowstride);
 	memset (pixels, 0xff, page_height * rowstride);
 
 	surface = cairo_image_surface_create_for_data (pixels,