# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1448466984 -3600
# Node ID a71d749870906f115b1c04ccf280e482697f5fb3
# Parent  4b6673e828f44af233dc269ce45fb2fff5d45225
sample plugin: CustomImageDecoder

diff -r 4b6673e828f4 -r a71d74987090 Plugins/Engine/OrthancPlugins.cpp
--- a/Plugins/Engine/OrthancPlugins.cpp	Wed Nov 25 16:39:03 2015 +0100
+++ b/Plugins/Engine/OrthancPlugins.cpp	Wed Nov 25 16:56:24 2015 +0100
@@ -1912,7 +1912,7 @@
       case _OrthancPluginService_GetImageBuffer:
       {
         const _OrthancPluginGetImageInfo& p = *reinterpret_cast<const _OrthancPluginGetImageInfo*>(parameters);
-        *(p.resultBuffer) = reinterpret_cast<const ImageAccessor*>(p.image)->GetConstBuffer();
+        *(p.resultBuffer) = reinterpret_cast<const ImageAccessor*>(p.image)->GetBuffer();
         return true;
       }
 
diff -r 4b6673e828f4 -r a71d74987090 Plugins/Include/orthanc/OrthancCPlugin.h
--- a/Plugins/Include/orthanc/OrthancCPlugin.h	Wed Nov 25 16:39:03 2015 +0100
+++ b/Plugins/Include/orthanc/OrthancCPlugin.h	Wed Nov 25 16:56:24 2015 +0100
@@ -2947,7 +2947,7 @@
     const OrthancPluginImage*  image;
     uint32_t*                  resultUint32;
     OrthancPluginPixelFormat*  resultPixelFormat;
-    const void**               resultBuffer;
+    void**                     resultBuffer;
   } _OrthancPluginGetImageInfo;
 
 
@@ -3096,11 +3096,11 @@
    * @return The pointer.
    * @ingroup Images
    **/
-  ORTHANC_PLUGIN_INLINE const void*  OrthancPluginGetImageBuffer(
+  ORTHANC_PLUGIN_INLINE void*  OrthancPluginGetImageBuffer(
     OrthancPluginContext*      context,
     const OrthancPluginImage*  image)
   {
-    const void* target = NULL;
+    void* target = NULL;
 
     _OrthancPluginGetImageInfo params;
     memset(&params, 0, sizeof(params));
diff -r 4b6673e828f4 -r a71d74987090 Plugins/Samples/CustomImageDecoder/CMakeLists.txt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugins/Samples/CustomImageDecoder/CMakeLists.txt	Wed Nov 25 16:56:24 2015 +0100
@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 2.8)
+
+project(CustomImageDecoder)
+
+set(SAMPLES_ROOT ${CMAKE_SOURCE_DIR}/..)
+include(${SAMPLES_ROOT}/Common/OrthancPlugins.cmake)
+
+add_library(PluginTest SHARED Plugin.cpp)
diff -r 4b6673e828f4 -r a71d74987090 Plugins/Samples/CustomImageDecoder/Plugin.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugins/Samples/CustomImageDecoder/Plugin.cpp	Wed Nov 25 16:56:24 2015 +0100
@@ -0,0 +1,80 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include <orthanc/OrthancCPlugin.h>
+
+static OrthancPluginContext* context_ = NULL;
+
+
+static OrthancPluginErrorCode DecodeImageCallback(OrthancPluginImage** target,
+                                                  const void* dicom,
+                                                  const uint32_t size,
+                                                  uint32_t frameIndex)
+{
+  *target = OrthancPluginCreateImage(context_, OrthancPluginPixelFormat_RGB24, 512, 512);
+
+  memset(OrthancPluginGetImageBuffer(context_, *target), 128,
+         OrthancPluginGetImageHeight(context_, *target) * OrthancPluginGetImagePitch(context_, *target));
+
+  return OrthancPluginDrawText(context_, *target, 0, "Hello world", 100, 50, 255, 0, 0);
+}
+
+
+extern "C"
+{
+  ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* c)
+  {
+    context_ = c;
+
+    /* Check the version of the Orthanc core */
+    if (OrthancPluginCheckVersion(c) == 0)
+    {
+      char info[1024];
+      sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin",
+              context_->orthancVersion,
+              ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER,
+              ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER,
+              ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER);
+      OrthancPluginLogError(context_, info);
+      return -1;
+    }
+
+    OrthancPluginRegisterDecodeImageCallback(context_, DecodeImageCallback);
+
+    return 0;
+  }
+
+
+  ORTHANC_PLUGINS_API void OrthancPluginFinalize()
+  {
+  }
+
+
+  ORTHANC_PLUGINS_API const char* OrthancPluginGetName()
+  {
+    return "custom-image-decoder";
+  }
+
+
+  ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion()
+  {
+    return "0.0";
+  }
+}