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//-----------------------------------------------------------------------------
//
// DevIL MFC Sources
// Copyright (C) 2000-2002 by Denton Woods
// Last modified: 02/07/2002 <--Y2K Compliant! =]
//
// Filename: mfc/devil-mfc.cpp
//
// Description: MFC CBitmap loading routines
//
//-----------------------------------------------------------------------------
#include "stdafx.h"
#include "DevIL-MFC.h"
// Basic Palette struct
typedef struct ILpal
{
ILubyte *Palette; // the image palette (if any)
ILuint PalSize; // size of the palette (in bytes)
ILenum PalType; // the palette types below (0x0500 range)
} ILpal;
// The Fundamental Image struct
typedef struct ILimage
{
ILuint Width; // the image's width
ILuint Height; // the image's height
ILuint Depth; // the image's depth
ILubyte Bpp; // bytes per pixel (now number of channels)
ILubyte Bpc; // bytes per channel
ILuint Bps; // bytes per scanline (components for IL)
ILubyte *Data; // the image data
ILuint SizeOfData; // the total size of the data (in bytes)
ILuint SizeOfPlane; // SizeOfData in a 2d image, size of each plane slice in a 3d image (in bytes)
ILenum Format; // image format (in IL enum style)
ILenum Type; // image type (in IL enum style)
ILenum Origin; // origin of the image
ILpal Pal; // palette details
ILuint Duration; // length of the time to display this "frame"
ILenum CubeFlags; // cube map flags for sides present in chain
struct ILimage *Mipmaps; // mipmapped versions of this image terminated by a NULL - usu. NULL
struct ILimage *Next; // next image in the chain - usu. NULL
struct ILimage *Layers; // subsequent layers in the chain - usu. NULL
ILuint NumNext; // number of images following this one (0 when not parent)
ILuint NumMips; // number of mipmaps (0 when not parent)
ILuint NumLayers; // number of layers (0 when not parent)
ILuint *AnimList; // animation list
ILuint AnimSize; // animation list size
ILvoid *Profile; // colour profile
ILuint ProfileSize; // colour profile size
ILuint OffX, OffY; // offset of the image
} ILimage;
ILAPI ILimage* ILAPIENTRY iConvertImage(ILenum DestFormat, ILenum DestType);
ILAPI ILubyte* ILAPIENTRY iGetPaddedData(ILimage *Image);
ILAPI ILimage* ILAPIENTRY ilGetCurImage(ILvoid);
ILAPI ILvoid ILAPIENTRY ilCloseImage(ILimage *Image);
ILAPI ILvoid ILAPIENTRY iBindImageTemp(ILvoid);
CBitmap *ilutConvertToCBitmap()
{
CBitmap *Bmp = NULL;
ILubyte *Data = NULL;
ILimage *Image = NULL, *MfcCurImage = NULL;
Bmp = new CBitmap;
if (Bmp == NULL)
return NULL;
MfcCurImage = ilGetCurImage();
if (MfcCurImage == NULL) {
return NULL;
}
if (MfcCurImage->Format == IL_BGRA && MfcCurImage->Format == IL_UNSIGNED_BYTE) {
Image = MfcCurImage;
}
else if (MfcCurImage->Format == IL_BGRA || MfcCurImage->Format == IL_RGBA) {
Image = iConvertImage(IL_BGRA, IL_UNSIGNED_BYTE);
if (Image == NULL) {
delete Bmp;
return NULL;
}
}
else {
Image = iConvertImage(IL_BGR, IL_UNSIGNED_BYTE);
if (Image == NULL) {
delete Bmp;
return NULL;
}
}
Data = iGetPaddedData(Image);
if (Data == NULL) {
if (Image != MfcCurImage)
ilCloseImage(Image);
delete Bmp;
return NULL;
}
if (!Bmp->CreateBitmap(Image->Width, Image->Height, 1, Image->Bpp << 3, Image->Data)) {
if (Image != MfcCurImage)
ilCloseImage(Image);
free(Data);
delete Bmp;
return NULL;
}
return Bmp;
}
CBitmap *ilutMFCLoadImage(const ILstring FileName)
{
CBitmap *Bmp;
iBindImageTemp();
if (!ilLoadImage(FileName))
return NULL;
Bmp = ilutConvertToCBitmap();
return Bmp;
}
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