From: cristy <urban-warrior@git.imagemagick.org>
Date: Tue, 31 Jan 2012 20:14:01 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~6278
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6fee7fb9d4f334471f72a84f03df5f8172272794;p=imagemagick

---

diff --git a/Magick++/lib/Image.cpp b/Magick++/lib/Image.cpp
index 8fdb1391a..6312e745d 100644
--- a/Magick++/lib/Image.cpp
+++ b/Magick++/lib/Image.cpp
@@ -1954,6 +1954,19 @@ void Magick::Image::shade ( const double azimuth_,
   (void) DestroyExceptionInfo( &exceptionInfo );
 }
 
+// Charcoal-effect image
+void Magick::Image::shadow( const double percent_opacity_, const double sigma_,
+  const ssize_t x_, const ssize_t y_ )
+{
+  ExceptionInfo exceptionInfo;
+  GetExceptionInfo( &exceptionInfo );
+  MagickCore::Image* newImage = ShadowImage( image(), percent_opacity_, sigma_,
+    image()->bias, x_, y_, &exceptionInfo );
+  replaceImage( newImage );
+  throwException( exceptionInfo );
+  (void) DestroyExceptionInfo( &exceptionInfo );
+}
+
 // Sharpen pixels in image
 void Magick::Image::sharpen ( const double radius_, const double sigma_ )
 {
diff --git a/Magick++/lib/Magick++/Image.h b/Magick++/lib/Magick++/Image.h
index 72ab3680f..7b90864a4 100644
--- a/Magick++/lib/Magick++/Image.h
+++ b/Magick++/lib/Magick++/Image.h
@@ -607,6 +607,12 @@ namespace Magick
           const double elevation_ = 30,
           const bool   colorShading_ = false );
     
+    // simulate an image shadow
+    void            shadow ( const double radius_ = 0.0,
+                             const double sigma_ = 1.0,
+                             const ssize_t x_ = 0,
+                             const ssize_t y_ = 0 );
+
     // Sharpen pixels in image
     // The radius_ parameter specifies the radius of the Gaussian, in
     // pixels, not counting the center pixel.  The sigma_ parameter
diff --git a/Magick++/lib/Magick++/Include.h b/Magick++/lib/Magick++/Include.h
index 6e0e681bf..932154af2 100644
--- a/Magick++/lib/Magick++/Include.h
+++ b/Magick++/lib/Magick++/Include.h
@@ -893,6 +893,7 @@ namespace Magick
   using MagickCore::SetPixelChannelMask;
   using MagickCore::SetStringInfoDatum;
   using MagickCore::ShadeImage;
+  using MagickCore::ShadowImage;
   using MagickCore::SharpenImage;
   using MagickCore::SharpenImage;
   using MagickCore::ShaveImage;
diff --git a/Magick++/lib/Magick++/STL.h b/Magick++/lib/Magick++/STL.h
index f7a71f54a..3cb6e94cd 100644
--- a/Magick++/lib/Magick++/STL.h
+++ b/Magick++/lib/Magick++/STL.h
@@ -960,6 +960,22 @@ namespace Magick
     bool    _colorShading;
   };
 
+  // Shadow effect image (simulate an image shadow)
+  class MagickPPExport shadowImage : public std::unary_function<Image&,void>
+  {
+  public:
+    shadowImage( const double percent_opacity_ = 80, const double sigma_ = 0.5,
+      const ssize_t x_ = 5, const ssize_t y_ = 5 );
+
+    void operator()( Image &image_ ) const;
+
+  private:
+    double _percent_opacity;
+    double _sigma;
+    ssize_t _x;
+    ssize_t _y;
+  };
+
   // Sharpen pixels in image
   class MagickPPExport sharpenImage : public std::unary_function<Image&,void>
   {