Added InputStream

src/SFML/Audio/Music.cpp

@@ -36,7 +36,6 @@
 sfMusic* sfMusic_CreateFromFile(const char* filename)
 {
     sfMusic* music = new sfMusic;
-
     if (!music->This.OpenFromFile(filename))
     {
         delete music;
@@ -53,7 +52,6 @@ sfMusic* sfMusic_CreateFromFile(const char* filename)
 sfMusic* sfMusic_CreateFromMemory(const void* data, size_t sizeInBytes)
 {
     sfMusic* music = new sfMusic;
-
     if (!music->This.OpenFromMemory(data, sizeInBytes))
     {
         delete music;
@@ -64,6 +62,25 @@ sfMusic* sfMusic_CreateFromMemory(const void* data, size_t sizeInBytes)
 }
 
 
+////////////////////////////////////////////////////////////
+/// Create a new music and load it from a custom stream
+////////////////////////////////////////////////////////////
+sfMusic* sfMusic_CreateFromStream(sfInputStream* stream)
+{
+    CSFML_CHECK_RETURN(stream, NULL);
+
+    sfMusic* music = new sfMusic;
+    music->Stream = CallbackStream(stream);
+    if (!music->This.OpenFromStream(music->Stream))
+    {
+        delete music;
+        music = NULL;
+    }
+
+    return music;
+}
+
+
 ////////////////////////////////////////////////////////////
 /// Destroy an existing music
 ////////////////////////////////////////////////////////////

src/SFML/Audio/MusicStruct.h

@@ -29,6 +29,7 @@
 // Headers
 ////////////////////////////////////////////////////////////
 #include <SFML/Audio/Music.hpp>
+#include <SFML/CallbackStream.h>
 
 
 ////////////////////////////////////////////////////////////
@@ -37,6 +38,7 @@
 struct sfMusic
 {
     sf::Music This;
+    CallbackStream Stream;
 };
 
 

src/SFML/CallbackStream.h

@@ -0,0 +1,120 @@
+////////////////////////////////////////////////////////////
+//
+// SFML - Simple and Fast Multimedia Library
+// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
+//
+// This software is provided 'as-is', without any express or implied warranty.
+// In no event will the authors be held liable for any damages arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it freely,
+// subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented;
+//    you must not claim that you wrote the original software.
+//    If you use this software in a product, an acknowledgment
+//    in the product documentation would be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such,
+//    and must not be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source distribution.
+//
+////////////////////////////////////////////////////////////
+
+#ifndef SFML_CALLBACKSTREAM_H
+#define SFML_CALLBACKSTREAM_H
+
+////////////////////////////////////////////////////////////
+// Headers
+////////////////////////////////////////////////////////////
+#include <SFML/System/InputStream.hpp>
+#include <SFML/System/InputStream.h>
+
+
+////////////////////////////////////////////////////////////
+/// \brief Adapts a CSFML input stream to a SFML input stream
+///
+////////////////////////////////////////////////////////////
+class CallbackStream : public sf::InputStream
+{
+public:
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Default constructor
+    ///
+    ////////////////////////////////////////////////////////////
+    CallbackStream()
+    {
+    }
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Constructor
+    ///
+    /// \param stream CSFML input stream callbacks
+    ///
+    ////////////////////////////////////////////////////////////
+    CallbackStream(sfInputStream* stream) :
+    myStream(*stream)
+    {
+    }
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Read data from the stream
+    ///
+    /// \param data Buffer where to copy the read data
+    /// \param size Desired number of bytes to read
+    ///
+    /// \return The number of bytes actually read
+    ///
+    ////////////////////////////////////////////////////////////
+    virtual sf::Int64 Read(char* data, sf::Int64 size)
+    {
+        return myStream.Read ? myStream.Read(data, size, myStream.UserData) : -1;
+    }
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Change the current reading position
+    ///
+    /// \param position The position to seek to, from the beginning
+    ///
+    /// \return The position actually seeked to, or -1 on error
+    ///
+    ////////////////////////////////////////////////////////////
+    virtual sf::Int64 Seek(sf::Int64 position)
+    {
+        return myStream.Seek ? myStream.Seek(position, myStream.UserData) : -1;
+    }
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Return the current reading position in the stream
+    ///
+    /// \return The current position, or -1 on error.
+    ///
+    ////////////////////////////////////////////////////////////
+    virtual sf::Int64 Tell()
+    {
+        return myStream.Tell ? myStream.Tell(myStream.UserData) : -1;
+    }
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Return the size of the stream
+    ///
+    /// \return The total number of bytes available in the stream, or -1 on error
+    ///
+    ////////////////////////////////////////////////////////////
+    virtual sf::Int64 GetSize()
+    {
+        return myStream.GetSize ? myStream.GetSize(myStream.UserData) : -1;
+    }
+
+private:
+
+    ////////////////////////////////////////////////////////////
+    // Member data
+    ////////////////////////////////////////////////////////////
+    sfInputStream myStream; ///< The source CSFML input stream
+};
+
+
+#endif // SFML_CALLBACKSTREAM_H

src/SFML/Graphics/Font.cpp

@@ -28,6 +28,7 @@
 #include <SFML/Graphics/Font.h>
 #include <SFML/Graphics/FontStruct.h>
 #include <SFML/Internal.h>
+#include <SFML/CallbackStream.h>
 
 
 ////////////////////////////////////////////////////////////
@@ -62,6 +63,25 @@ sfFont* sfFont_CreateFromMemory(const void* data, size_t sizeInBytes)
 }
 
 
+////////////////////////////////////////////////////////////
+/// Create a new font from a custom stream
+////////////////////////////////////////////////////////////
+sfFont* sfFont_CreateFromStream(sfInputStream* stream)
+{
+    CSFML_CHECK_RETURN(stream, NULL);
+
+    sfFont* font = new sfFont;
+    font->Stream = CallbackStream(stream);
+    if (!font->This.LoadFromStream(font->Stream))
+    {
+        delete font;
+        font = NULL;
+    }
+
+    return font;
+}
+
+
 ////////////////////////////////////////////////////////////
 /// Copy an existing font
 ////////////////////////////////////////////////////////////

src/SFML/Graphics/FontStruct.h

@@ -30,6 +30,7 @@
 ////////////////////////////////////////////////////////////
 #include <SFML/Graphics/Font.hpp>
 #include <SFML/Graphics/ImageStruct.h>
+#include <SFML/CallbackStream.h>
 #include <map>
 
 
@@ -40,6 +41,7 @@ struct sfFont
 {
     sf::Font This;
     std::map<unsigned int, sfImage> Images;
+    CallbackStream Stream;
 };
 
 

src/SFML/Graphics/Image.cpp

@@ -29,6 +29,7 @@
 #include <SFML/Graphics/ImageStruct.h>
 #include <SFML/Graphics/RenderWindowStruct.h>
 #include <SFML/Internal.h>
+#include <SFML/CallbackStream.h>
 
 
 ////////////////////////////////////////////////////////////
@@ -99,6 +100,26 @@ sfImage* sfImage_CreateFromMemory(const void* data, size_t sizeInBytes)
 }
 
 
+////////////////////////////////////////////////////////////
+/// Create a new image from a custom stream
+////////////////////////////////////////////////////////////
+sfImage* sfImage_CreateFromStream(sfInputStream* stream)
+{
+    CSFML_CHECK_RETURN(stream, NULL);
+
+    sfImage* image = new sfImage;
+
+    CallbackStream sfmlStream(stream);
+    if (!image->This->LoadFromStream(sfmlStream))
+    {
+        delete image;
+        image = NULL;
+    }
+
+    return image;
+}
+
+
 ////////////////////////////////////////////////////////////
 /// Copy an existing image
 ////////////////////////////////////////////////////////////

src/SFML/Graphics/Shader.cpp

@@ -29,6 +29,7 @@
 #include <SFML/Graphics/ShaderStruct.h>
 #include <SFML/Graphics/ImageStruct.h>
 #include <SFML/Internal.h>
+#include <SFML/CallbackStream.h>
 
 
 ////////////////////////////////////////////////////////////
@@ -65,6 +66,26 @@ sfShader* sfShader_CreateFromMemory(const char* effect)
 }
 
 
+////////////////////////////////////////////////////////////
+/// Create a new shader from a custom stream
+////////////////////////////////////////////////////////////
+sfShader* sfShader_CreateFromStream(sfInputStream* stream)
+{
+    CSFML_CHECK_RETURN(stream, NULL);
+
+    sfShader* shader = new sfShader;
+
+    CallbackStream sfmlStream(stream);
+    if (!shader->This.LoadFromStream(sfmlStream))
+    {
+        delete shader;
+        shader = NULL;
+    }
+
+    return shader;
+}
+
+
 ////////////////////////////////////////////////////////////
 /// Copy an existing clock
 ////////////////////////////////////////////////////////////

src/SFML/System/CMakeLists.txt

@@ -7,6 +7,7 @@ set(SRC
     ${SRCROOT}/Clock.cpp
     ${SRCROOT}/ClockStruct.h
     ${INCROOT}/Clock.h
+    ${INCROOT}/InputStream.h
     ${SRCROOT}/Mutex.cpp
     ${SRCROOT}/MutexStruct.h
     ${INCROOT}/Mutex.h