1 files changed, 75 insertions, 0 deletions
diff --git a/DevIL/src-IL/src/il_devil.cpp b/DevIL/src-IL/src/il_devil.cpp
index bfd6be00..c9eeb5d5 100644
--- a/DevIL/src-IL/src/il_devil.cpp
+++ b/DevIL/src-IL/src/il_devil.cpp
@@ -166,6 +166,81 @@ ILAPI ILboolean ILAPIENTRY ilTexImage_(ILimage *Image, ILuint Width, ILuint Heig
 }
 
 
+//! Changes the current bound image to use these new dimensions (current data is destroyed, but mips, faces, layers and arrays are retained).
+/*! \param Width Specifies the new image width.  This cannot be 0.
+\param Height Specifies the new image height.  This cannot be 0.
+\param Depth Specifies the new image depth.  This cannot be 0.
+\param NumChannels Number of channels (ex. 3 for RGB)
+\param Format Enum of the desired format.  Any format values are accepted.
+\param Type Enum of the desired type.  Any type values are accepted.
+\param Data Specifies data that should be copied to the new image. If this parameter is NULL, no data is copied, and the new image data consists of undefined values.
+\exception IL_ILLEGAL_OPERATION No currently bound image.
+\exception IL_INVALID_PARAM One of the parameters is incorrect, such as one of the dimensions being 0.
+\exception IL_OUT_OF_MEMORY Could not allocate enough memory.
+\return Boolean value of failure or success*/
+ILboolean ILAPIENTRY ilTexImageSurface(ILuint Width, ILuint Height, ILuint Depth, ILubyte NumChannels, ILenum Format, ILenum Type, void *Data)
+{
+	return ilTexImageSurface_(iCurImage, Width, Height, Depth, NumChannels, Format, Type, Data);
+}
+
+
+// Internal version of ilTexImageSurface.
+ILboolean ILAPIENTRY ilTexImageSurface_(ILimage *Image, ILuint Width, ILuint Height, ILuint Depth, ILubyte Bpp, ILenum Format, ILenum Type, void *Data)
+{
+	ILimage* mips;
+	ILimage* next;
+	ILimage* faces;
+	ILimage* layers;
+	ILenum flags;
+	ILenum origin;
+	ILboolean retval;
+
+	if (Image == NULL) {
+		ilSetError(IL_ILLEGAL_OPERATION);
+		return IL_FALSE;
+	}
+
+	////
+
+	// Not sure if we should be getting rid of the palette...
+	if (Image->Pal.Palette && Image->Pal.PalSize && Image->Pal.PalType != IL_PAL_NONE) {
+		ifree(Image->Pal.Palette);
+	}
+
+	if (Image->AnimList) ifree(Image->AnimList);
+	if (Image->Profile)  ifree(Image->Profile);
+	if (Image->DxtcData) ifree(Image->DxtcData);
+	if (Image->Data)	 ifree(Image->Data);
+
+	////
+
+	//@TODO: Also check against format?
+	/*if (Width == 0 || Height == 0 || Depth == 0 || Bpp == 0) {
+	ilSetError(IL_INVALID_PARAM);
+	return IL_FALSE;
+	}*/
+
+	mips = Image->Mipmaps;
+	next = Image->Next;
+	faces = Image->Faces;
+	layers = Image->Layers;
+	flags = Image->CubeFlags;
+	origin = Image->Origin;
+
+	retval = ilInitImage(Image, Width, Height, Depth, Bpp, Format, Type, Data);
+
+	// reset our chains
+	Image->Mipmaps = mips;
+	Image->Next = next;
+	Image->Faces = faces;
+	Image->Layers = layers;
+	Image->CubeFlags = flags;
+	Image->Origin = origin;
+
+	return retval;
+}
+
+
 //! Uploads Data of the same size to replace the current image's data.
 /*! \param Data New image data to update the currently bound image
 	\exception IL_ILLEGAL_OPERATION No currently bound image