Added 'paraller axis' rendering hint to filter primitives, that need it.

[inkscape.git] / src / sp-feimage.cpp

diff --git a/src/sp-feimage.cpp b/src/sp-feimage.cpp
index b7c857d4e374fdcb182b3cd977051803eaa5c758..4288faa10f685a31830b0ea31811455d03369f77 100644 (file)
--- a/src/sp-feimage.cpp
+++ b/src/sp-feimage.cpp
@@ -6,8 +6,10 @@
  */
 /*
  * Authors:
+ *   Felipe Corrêa da Silva Sanches <felipe.sanches@gmail.com>
  *   hugo Rodrigues <haa.rodrigues@gmail.com>
  *
+ * Copyright (C) 2007 Felipe Sanches
  * Copyright (C) 2006 Hugo Rodrigues
  *
  * Released under GNU GPL, read the file 'COPYING' for more information
@@ -21,7 +23,10 @@
 #include "svg/svg.h"
 #include "sp-feimage.h"
 #include "xml/repr.h"
+#include <string.h>
 
+#include "display/nr-filter.h"
+#include "display/nr-filter-image.h"
 
 /* FeImage base class */
 
@@ -33,6 +38,7 @@ static void sp_feImage_release(SPObject *object);
 static void sp_feImage_set(SPObject *object, unsigned int key, gchar const *value);
 static void sp_feImage_update(SPObject *object, SPCtx *ctx, guint flags);
 static Inkscape::XML::Node *sp_feImage_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
+static void sp_feImage_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter);
 
 static SPFilterPrimitiveClass *feImage_parent_class;
 
@@ -61,6 +67,7 @@ static void
 sp_feImage_class_init(SPFeImageClass *klass)
 {
     SPObjectClass *sp_object_class = (SPObjectClass *)klass;
+    SPFilterPrimitiveClass * sp_primitive_class = (SPFilterPrimitiveClass *)klass;
 
     feImage_parent_class = (SPFilterPrimitiveClass*)g_type_class_peek_parent(klass);
 
@@ -69,6 +76,8 @@ sp_feImage_class_init(SPFeImageClass *klass)
     sp_object_class->write = sp_feImage_write;
     sp_object_class->set = sp_feImage_set;
     sp_object_class->update = sp_feImage_update;
+
+    sp_primitive_class->build_renderer = sp_feImage_build_renderer;
 }
 
 static void
@@ -89,6 +98,15 @@ sp_feImage_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *re
     }
 
     /*LOAD ATTRIBUTES FROM REPR HERE*/
+/* apparently there's no attribute to load here 
+since 'in' and 'xlink:href' are common filter attributes.
+--Juca
+*/
+    sp_object_read_attr(object, "x");
+    sp_object_read_attr(object, "y");
+    sp_object_read_attr(object, "width");
+    sp_object_read_attr(object, "height");            
+
 }
 
 /**
@@ -109,9 +127,26 @@ static void
 sp_feImage_set(SPObject *object, unsigned int key, gchar const *value)
 {
     SPFeImage *feImage = SP_FEIMAGE(object);
-
-    switch(key) {\r
+    (void)feImage;
+    
+    switch(key) {
        /*DEAL WITH SETTING ATTRIBUTES HERE*/
+        case SP_ATTR_X:
+            feImage->x.readOrUnset(value);
+            object->requestModified(SP_OBJECT_MODIFIED_FLAG);
+            break;
+        case SP_ATTR_Y:
+            feImage->y.readOrUnset(value);
+            object->requestModified(SP_OBJECT_MODIFIED_FLAG);
+            break;
+        case SP_ATTR_WIDTH:
+            feImage->width.readOrUnset(value);
+            object->requestModified(SP_OBJECT_MODIFIED_FLAG);
+            break;
+        case SP_ATTR_HEIGHT:
+            feImage->height.readOrUnset(value);
+            object->requestModified(SP_OBJECT_MODIFIED_FLAG);
+            break;
         default:
             if (((SPObjectClass *) feImage_parent_class)->set)
                 ((SPObjectClass *) feImage_parent_class)->set(object, key, value);
@@ -126,11 +161,11 @@ sp_feImage_set(SPObject *object, unsigned int key, gchar const *value)
 static void
 sp_feImage_update(SPObject *object, SPCtx *ctx, guint flags)
 {
+ 
     if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG |
                  SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
 
         /* do something to trigger redisplay, updates? */
-
     }
 
     if (((SPObjectClass *) feImage_parent_class)->update) {
@@ -150,7 +185,7 @@ sp_feImage_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
             // is this sane?
             repr->mergeFrom(SP_OBJECT_REPR(object), "id");
         } else {
-            repr = SP_OBJECT_REPR(object)->duplicate();
+            repr = SP_OBJECT_REPR(object)->duplicate(NULL); // FIXME
         }
     }
 
@@ -161,6 +196,20 @@ sp_feImage_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
     return repr;
 }
 
+static void sp_feImage_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter) {
+    g_assert(primitive != NULL);
+    g_assert(filter != NULL);
+
+    SPFeImage *sp_image = SP_FEIMAGE(primitive);
+    
+    int primitive_n = filter->add_primitive(NR::NR_FILTER_IMAGE);
+    NR::FilterPrimitive *nr_primitive = filter->get_primitive(primitive_n);
+    NR::FilterImage *nr_image = dynamic_cast<NR::FilterImage*>(nr_primitive);
+    g_assert(nr_image != NULL);
+
+    sp_filter_primitive_renderer_common(primitive, nr_primitive);
+    nr_image->set_region(sp_image->x, sp_image->y, sp_image->width, sp_image->height);
+}
 
 /*
   Local Variables: