[gegl] op/multiply.c: update autogenerated file (why is it in git anyways?)

[Ãyvind KolÃs <ok src gnome org>]

commit f0337a673b0110d9b4703379628d4f8771cce197
Author: Ãyvind KolÃs <pippin gimp org>
Date:   Tue Mar 13 03:57:02 2012 +0000

    op/multiply.c: update autogenerated file (why is it in git anyways?)
    
    it seems like svg-multiply and math-multiply is overwriting the same file.

 operations/generated/multiply.c |  107 +++++++++++++++++++++------------------
 1 files changed, 58 insertions(+), 49 deletions(-)
---
diff --git a/operations/generated/multiply.c b/operations/generated/multiply.c
index a9661aa..d2ed165 100644
--- a/operations/generated/multiply.c
+++ b/operations/generated/multiply.c
@@ -1,5 +1,5 @@
 
-/* !!!! AUTOGENERATED FILE generated by svg12-blend.rb !!!!!
+/* !!!! AUTOGENERATED FILE generated by math.rb !!!!!
  *
  * This file is an image processing operation for GEGL
  *
@@ -16,15 +16,7 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with GEGL; if not, see <http://www.gnu.org/licenses/>.
  *
- *  Copyright 2006, 2007 Ãyvind KolÃs <pippin gimp org>
- *            2007 John Marshall
- *
- * SVG rendering modes; see:
- *     http://www.w3.org/TR/SVG12/rendering.html
- *     http://www.w3.org/TR/2004/WD-SVG12-20041027/rendering.html#comp-op-prop
- *
- *     aA = aux(src) alpha      aB = in(dst) alpha      aD = out alpha
- *     cA = aux(src) colour     cB = in(dst) colour     cD = out colour
+ * Copyright 2006 Ãyvind KolÃs <pippin gimp org>
  *
  * !!!! AUTOGENERATED FILE !!!!!
  */
@@ -34,61 +26,80 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-/* no properties */
+gegl_chant_double (value, _("Value"), -G_MAXDOUBLE, G_MAXDOUBLE, 1.0, _("global value used if aux doesn't contain data"))
 
 #else
 
 #define GEGL_CHANT_TYPE_POINT_COMPOSER
-#define GEGL_CHANT_C_FILE        "multiply.c"
+#define GEGL_CHANT_C_FILE       "multiply.c"
 
 #include "gegl-chant.h"
 
+#include <math.h>
+#ifdef _MSC_VER
+#define powf(a,b) ((gfloat)pow(a,b))
+#endif
+
+
 static void prepare (GeglOperation *operation)
 {
-  Babl *format = babl_format ("RaGaBaA float");
+  Babl *format = babl_format ("RGBA float");
 
   gegl_operation_set_format (operation, "input", format);
-  gegl_operation_set_format (operation, "aux", format);
+  gegl_operation_set_format (operation, "aux", babl_format ("RGB float"));
   gegl_operation_set_format (operation, "output", format);
 }
 
 static gboolean
-process (GeglOperation       *op,
-         void                *in_buf,
-         void                *aux_buf,
-         void                *out_buf,
-         glong                n_pixels,
-         const GeglRectangle *roi)
+process (GeglOperation        *op,
+          void                *in_buf,
+          void                *aux_buf,
+          void                *out_buf,
+          glong                n_pixels,
+          const GeglRectangle *roi)
 {
   gfloat * GEGL_ALIGNED in = in_buf;
-  gfloat * GEGL_ALIGNED aux = aux_buf;
   gfloat * GEGL_ALIGNED out = out_buf;
+  gfloat * GEGL_ALIGNED aux = aux_buf;
   gint    i;
 
-  if (aux==NULL)
-    return TRUE;
-
-  for (i = 0; i < n_pixels; i++)
+  if (aux == NULL)
     {
-      gfloat aA, aB, aD;
-      gint   j;
-
-      aB = in[3];
-      aA = aux[3];
-      aD = aA + aB - aA * aB;
-
-      for (j = 0; j < 3; j++)
+      gfloat value = GEGL_CHANT_PROPERTIES (op)->value;
+      for (i=0; i<n_pixels; i++)
         {
-          gfloat cA, cB;
-
-          cB = in[j];
-          cA = aux[j];
-          out[j] = CLAMP (cA * cB +  cA * (1 - aB) + cB * (1 - aA), 0, aD);
+          gint   j;
+          gfloat c;
+          for (j=0; j<3; j++)
+            {
+              c=in[j];
+              c = c * value;
+              out[j]=c;
+            }
+          out[3]=in[3];
+          in += 4;
+          out+= 4;
+        }
+    }
+  else
+    {
+      for (i=0; i<n_pixels; i++)
+        {
+          gint   j;
+          gfloat c;
+          gfloat value;
+          for (j=0; j<3; j++)
+            {
+              c=in[j];
+              value=aux[j];
+              c = c * value;
+              out[j]=c;
+            }
+          out[3]=in[3];
+          in += 4;
+          aux += 3;
+          out+= 4;
         }
-      out[3] = aD;
-      in  += 4;
-      aux += 4;
-      out += 4;
     }
 
   return TRUE;
@@ -100,17 +111,15 @@ gegl_chant_class_init (GeglChantClass *klass)
   GeglOperationClass              *operation_class;
   GeglOperationPointComposerClass *point_composer_class;
 
-  operation_class      = GEGL_OPERATION_CLASS (klass);
-  point_composer_class = GEGL_OPERATION_POINT_COMPOSER_CLASS (klass);
+  operation_class  = GEGL_OPERATION_CLASS (klass);
+  point_composer_class     = GEGL_OPERATION_POINT_COMPOSER_CLASS (klass);
 
   point_composer_class->process = process;
   operation_class->prepare = prepare;
 
-  operation_class->compat_name = "gegl:multiply";
-  operation_class->name        = "svg:multiply";
+  operation_class->name        = "gegl:multiply";
+  operation_class->categories  = "compositors:math";
   operation_class->description =
-        _("SVG blend operation multiply (<tt>d = cA * cB +  cA * (1 - aB) + cB * (1 - aA)</tt>)");
-  operation_class->categories  = "compositors:svgfilter";
+       _("Math operation multiply (c = c * value)");
 }
-
 #endif