Refactoring SPColor to C++ and removing legacy CMYK implementation

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

diff --git a/src/sp-fecomponenttransfer.cpp b/src/sp-fecomponenttransfer.cpp
index 710faa2f57a301e1c53d32e8faa01818c0061b3f..1ff231a1ff1e32e8228ba3ae1e6a82a6236c1706 100644 (file)
--- a/src/sp-fecomponenttransfer.cpp
+++ b/src/sp-fecomponenttransfer.cpp
@@ -21,20 +21,7 @@
 #include "svg/svg.h"
 #include "sp-fecomponenttransfer.h"
 #include "xml/repr.h"
-
-//#define SP_MACROS_SILENT
-//#include "macros.h"
-
-#define DEBUG_FECOMPONENTTRANSFER
-#ifdef DEBUG_FECOMPONENTTRANSFER
-# define debug(f, a...) { g_print("%s(%d) %s:", \
-                                  __FILE__,__LINE__,__FUNCTION__); \
-                          g_print(f, ## a); \
-                          g_print("\n"); \
-                        }
-#else
-# define debug(f, a...) /**/
-#endif
+#include "display/nr-filter-component-transfer.h"
 
 /* FeComponentTransfer base class */
 
@@ -47,7 +34,7 @@ static void sp_feComponentTransfer_set(SPObject *object, unsigned int key, gchar
 static void sp_feComponentTransfer_update(SPObject *object, SPCtx *ctx, guint flags);
 static Inkscape::XML::Node *sp_feComponentTransfer_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
 
-static SPObjectClass *feComponentTransfer_parent_class;
+static SPFilterPrimitiveClass *feComponentTransfer_parent_class;
 
 GType
 sp_feComponentTransfer_get_type()
@@ -65,7 +52,7 @@ sp_feComponentTransfer_get_type()
             (GInstanceInitFunc) sp_feComponentTransfer_init,
             NULL,    /* value_table */
         };
-        feComponentTransfer_type = g_type_register_static(SP_TYPE_OBJECT, "SPFeComponentTransfer", &feComponentTransfer_info, (GTypeFlags)0);
+        feComponentTransfer_type = g_type_register_static(SP_TYPE_FILTER_PRIMITIVE, "SPFeComponentTransfer", &feComponentTransfer_info, (GTypeFlags)0);
     }
     return feComponentTransfer_type;
 }
@@ -75,7 +62,7 @@ sp_feComponentTransfer_class_init(SPFeComponentTransferClass *klass)
 {
     SPObjectClass *sp_object_class = (SPObjectClass *)klass;
 
-    feComponentTransfer_parent_class = (SPObjectClass*)g_type_class_peek_parent(klass);
+    feComponentTransfer_parent_class = (SPFilterPrimitiveClass*)g_type_class_peek_parent(klass);
 
     sp_object_class->build = sp_feComponentTransfer_build;
     sp_object_class->release = sp_feComponentTransfer_release;
@@ -87,7 +74,14 @@ sp_feComponentTransfer_class_init(SPFeComponentTransferClass *klass)
 static void
 sp_feComponentTransfer_init(SPFeComponentTransfer *feComponentTransfer)
 {
-    debug("0x%p",feComponentTransfer);
+    //Setting default values:
+//TODO: tableValues = "" (empty list);
+    feComponentTransfer->slope = 1;
+    feComponentTransfer->intercept = 0;
+    feComponentTransfer->amplitude = 1;
+    feComponentTransfer->exponent = 1;
+    feComponentTransfer->offset = 0;
+//    feComponentTransfer->type = NR::COMPONENTTRANSFER_TYPE_ERROR;
 }
 
 /**
@@ -98,12 +92,18 @@ sp_feComponentTransfer_init(SPFeComponentTransfer *feComponentTransfer)
 static void
 sp_feComponentTransfer_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
 {
-    debug("0x%p",object);
     if (((SPObjectClass *) feComponentTransfer_parent_class)->build) {
         ((SPObjectClass *) feComponentTransfer_parent_class)->build(object, document, repr);
     }
 
     /*LOAD ATTRIBUTES FROM REPR HERE*/
+    sp_object_read_attr(object, "type");
+    sp_object_read_attr(object, "tableValues");
+    sp_object_read_attr(object, "slope");
+    sp_object_read_attr(object, "intercept");
+    sp_object_read_attr(object, "amplitude");
+    sp_object_read_attr(object, "exponent");
+    sp_object_read_attr(object, "offset");
 }
 
 /**
@@ -112,23 +112,50 @@ sp_feComponentTransfer_build(SPObject *object, SPDocument *document, Inkscape::X
 static void
 sp_feComponentTransfer_release(SPObject *object)
 {
-    debug("0x%p",object);
-
     if (((SPObjectClass *) feComponentTransfer_parent_class)->release)
         ((SPObjectClass *) feComponentTransfer_parent_class)->release(object);
 }
 
+static NR::FilterComponentTransferType sp_feComponenttransfer_read_type(gchar const *value){
+    if (!value) return NR::COMPONENTTRANSFER_TYPE_ERROR; //type attribute is REQUIRED.
+    switch(value[0]){
+        case 'i':
+            if (strncmp(value, "identity", 8) == 0) return NR::COMPONENTTRANSFER_TYPE_IDENTITY;
+            break;
+        case 't':
+            if (strncmp(value, "table", 5) == 0) return NR::COMPONENTTRANSFER_TYPE_TABLE;
+            break;
+        case 'd':
+            if (strncmp(value, "discrete", 8) == 0) return NR::COMPONENTTRANSFER_TYPE_DISCRETE;
+            break;
+        case 'l':
+            if (strncmp(value, "linear", 6) == 0) return NR::COMPONENTTRANSFER_TYPE_LINEAR;
+            break;
+        case 'g':
+            if (strncmp(value, "gamma", 5) == 0) return NR::COMPONENTTRANSFER_TYPE_GAMMA;
+            break;
+    }
+    return NR::COMPONENTTRANSFER_TYPE_ERROR; //type attribute is REQUIRED.
+}
+
 /**
  * Sets a specific value in the SPFeComponentTransfer.
  */
 static void
 sp_feComponentTransfer_set(SPObject *object, unsigned int key, gchar const *value)
 {
-    debug("0x%p %s(%u): '%s'",object,
-            sp_attribute_name(key),key,value);
     SPFeComponentTransfer *feComponentTransfer = SP_FECOMPONENTTRANSFER(object);
-
-    switch(key) {\r
+    (void)feComponentTransfer;
+
+    NR::FilterComponentTransferType type;
+    switch(key) {
+        case SP_ATTR_TYPE:
+            type = sp_feComponenttransfer_read_type(value);
+            if(type != feComponentTransfer->type) {
+                feComponentTransfer->type = type;
+                object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+            }
+            break;
        /*DEAL WITH SETTING ATTRIBUTES HERE*/
         default:
             if (((SPObjectClass *) feComponentTransfer_parent_class)->set)
@@ -144,8 +171,6 @@ sp_feComponentTransfer_set(SPObject *object, unsigned int key, gchar const *valu
 static void
 sp_feComponentTransfer_update(SPObject *object, SPCtx *ctx, guint flags)
 {
-    debug("0x%p",object);
-
     if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG |
                  SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
 
@@ -164,15 +189,13 @@ sp_feComponentTransfer_update(SPObject *object, SPCtx *ctx, guint flags)
 static Inkscape::XML::Node *
 sp_feComponentTransfer_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
 {
-    debug("0x%p",object);
-
     // Inkscape-only object, not copied during an "plain SVG" dump:
     if (flags & SP_OBJECT_WRITE_EXT) {
         if (repr) {
             // 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
         }
     }