Code/Resource
Windows Develop
Linux-Unix program
Internet-Socket-Network
Web Server
Browser Client
Ftp Server
Ftp Client
Browser Plugins
Proxy Server
Email Server
Email Client
WEB Mail
Firewall-Security
Telnet Server
Telnet Client
ICQ-IM-Chat
Search Engine
Sniffer Package capture
Remote Control
xml-soap-webservice
P2P
WEB(ASP,PHP,...)
TCP/IP Stack
SNMP
Grid Computing
SilverLight
DNS
Cluster Service
Network Security
Communication-Mobile
Game Program
Editor
Multimedia program
Graph program
Compiler program
Compress-Decompress algrithms
Crypt_Decrypt algrithms
Mathimatics-Numerical algorithms
MultiLanguage
Disk/Storage
Java Develop
assembly language
Applications
Other systems
Database system
Embeded-SCM Develop
FlashMX/Flex
source in ebook
Delphi VCL
OS Develop
MiddleWare
MPI
MacOS develop
LabView
ELanguage
Software/Tools
E-Books
Artical/Document
il_devil.c
Package: devil-1.7.99.tar.gz [view]
Upload User: wmy0603
Upload Date: 2022-05-02
Package Size: 1808k
Code Size: 27k
Category:
Compress-Decompress algrithms
Development Platform:
Visual C++
- //-----------------------------------------------------------------------------
- //
- // ImageLib Sources
- // Copyright (C) 2000-2009 by Denton Woods
- // Last modified: 02/01/2009
- //
- // Filename: src-IL/src/il_devil.c
- //
- // Description: Functions for working with the ILimage's and the current image
- //
- //-----------------------------------------------------------------------------
- #include "il_internal.h"
- #include <string.h>
- #include <limits.h>
- #include "il_manip.h"
- ILAPI ILboolean ILAPIENTRY ilInitImage(ILimage *Image, ILuint Width, ILuint Height, ILuint Depth, ILubyte Bpp, ILenum Format, ILenum Type, void *Data)
- {
- ILubyte BpcType = ilGetBpcType(Type);
- if (BpcType == 0) {
- ilSetError(IL_INVALID_PARAM);
- return IL_FALSE;
- }
- memset(Image, 0, sizeof(ILimage));
- ////
- if (Width == 0) Width = 1;
- if (Height == 0) Height = 1;
- if (Depth == 0) Depth = 1;
- Image->Width = Width;
- Image->Height = Height;
- Image->Depth = Depth;
- Image->Bpp = Bpp;
- Image->Bpc = BpcType;
- Image->Bps = Width * Bpp * Image->Bpc;
- Image->SizeOfPlane = Image->Bps * Height;
- Image->SizeOfData = Image->SizeOfPlane * Depth;
- Image->Format = Format;
- Image->Type = Type;
- Image->Origin = IL_ORIGIN_LOWER_LEFT;
- Image->Pal.PalType = IL_PAL_NONE;
- Image->DxtcFormat = IL_DXT_NO_COMP;
- Image->DxtcData = NULL;
- Image->Data = (ILubyte*)ialloc(Image->SizeOfData);
- if (Image->Data == NULL) {
- return IL_FALSE;
- }
- if (Data != NULL) {
- memcpy(Image->Data, Data, Image->SizeOfData);
- }
- return IL_TRUE;
- }
- // Creates a new ILimage based on the specifications given
- ILAPI ILimage* ILAPIENTRY ilNewImage(ILuint Width, ILuint Height, ILuint Depth, ILubyte Bpp, ILubyte Bpc)
- {
- ILimage *Image;
- if (Bpp == 0 || Bpp > 4) {
- return NULL;
- }
- Image = (ILimage*)ialloc(sizeof(ILimage));
- if (Image == NULL) {
- return NULL;
- }
- if (!ilInitImage(Image, Width, Height, Depth, Bpp, ilGetFormatBpp(Bpp), ilGetTypeBpc(Bpc), NULL)) {
- if (Image->Data != NULL) {
- ifree(Image->Data);
- }
- ifree(Image);
- return NULL;
- }
- return Image;
- }
- // Same as above but allows specification of Format and Type
- ILAPI ILimage* ILAPIENTRY ilNewImageFull(ILuint Width, ILuint Height, ILuint Depth, ILubyte Bpp, ILenum Format, ILenum Type, void *Data)
- {
- ILimage *Image;
- if (Bpp == 0 || Bpp > 4) {
- return NULL;
- }
- Image = (ILimage*)ialloc(sizeof(ILimage));
- if (Image == NULL) {
- return NULL;
- }
- if (!ilInitImage(Image, Width, Height, Depth, Bpp, Format, Type, Data)) {
- if (Image->Data != NULL) {
- ifree(Image->Data);
- }
- ifree(Image);
- return NULL;
- }
- return Image;
- }
- //! Changes the current bound image to use these new dimensions (current data is destroyed).
- /*! 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 Bpp 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 ilTexImage(ILuint Width, ILuint Height, ILuint Depth, ILubyte Bpp, ILenum Format, ILenum Type, void *Data)
- {
- return ilTexImage_(iCurImage, Width, Height, Depth, Bpp, Format, Type, Data);
- }
- // Internal version of ilTexImage.
- ILAPI ILboolean ILAPIENTRY ilTexImage_(ILimage *Image, ILuint Width, ILuint Height, ILuint Depth, ILubyte Bpp, ILenum Format, ILenum Type, void *Data)
- {
- 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);
- }
- ilCloseImage(Image->Mipmaps);
- ilCloseImage(Image->Next);
- ilCloseImage(Image->Faces);
- ilCloseImage(Image->Layers);
- 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;
- }*/
- return ilInitImage(Image, Width, Height, Depth, Bpp, Format, Type, Data);
- }
- //! 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
- exception IL_INVALID_PARAM Data was NULL.
- return Boolean value of failure or success
- */
- ILboolean ILAPIENTRY ilSetData(void *Data)
- {
- if (iCurImage == NULL) {
- ilSetError(IL_ILLEGAL_OPERATION);
- return IL_FALSE;
- }
- return ilTexSubImage_(iCurImage, Data);
- }
- // Internal version of ilTexSubImage.
- ILAPI ILboolean ILAPIENTRY ilTexSubImage_(ILimage *Image, void *Data)
- {
- if (Image == NULL || Data == NULL) {
- ilSetError(IL_INVALID_PARAM);
- return IL_FALSE;
- }
- if (!Image->Data) {
- Image->Data = (ILubyte*)ialloc(Image->SizeOfData);
- if (Image->Data == NULL)
- return IL_FALSE;
- }
- memcpy(Image->Data, Data, Image->SizeOfData);
- return IL_TRUE;
- }
- //! Returns a pointer to the current image's data.
- /*! The pointer to the image data returned by this function is only valid until any
- operations are done on the image. After any operations, this function should be
- called again. The pointer can be cast to other types for images that have more
- than one byte per channel for easier access to data.
- exception IL_ILLEGAL_OPERATION No currently bound image
- return ILubyte pointer to image data.*/
- ILubyte* ILAPIENTRY ilGetData(void)
- {
- if (iCurImage == NULL) {
- ilSetError(IL_ILLEGAL_OPERATION);
- return NULL;
- }
- return iCurImage->Data;
- }
- //! Returns a pointer to the current image's palette data.
- /*! The pointer to the image palette data returned by this function is only valid until
- any operations are done on the image. After any operations, this function should be
- called again.
- exception IL_ILLEGAL_OPERATION No currently bound image
- return ILubyte pointer to image palette data.*/
- ILubyte* ILAPIENTRY ilGetPalette(void)
- {
- if (iCurImage == NULL) {
- ilSetError(IL_ILLEGAL_OPERATION);
- return NULL;
- }
- return iCurImage->Pal.Palette;
- }
- //ILfloat ClearRed = 0.0f, ClearGreen = 0.0f, ClearBlue = 0.0f, ClearAlpha = 0.0f;
- // Changed to the colour of the Universe
- // (http://www.newscientist.com/news/news.jsp?id=ns99991775)
- // *(http://www.space.com/scienceastronomy/universe_color_020308.html)*
- //ILfloat ClearRed = 0.269f, ClearGreen = 0.388f, ClearBlue = 0.342f, ClearAlpha = 0.0f;
- static ILfloat ClearRed = 1.0f;
- static ILfloat ClearGreen = 0.972549f;
- static ILfloat ClearBlue = 0.90588f;
- static ILfloat ClearAlpha = 0.0f;
- static ILfloat ClearLum = 1.0f;
- void ILAPIENTRY ilClearColour(ILclampf Red, ILclampf Green, ILclampf Blue, ILclampf Alpha)
- {
- // Clamp to 0.0f - 1.0f.
- ClearRed = Red < 0.0f ? 0.0f : (Red > 1.0f ? 1.0f : Red);
- ClearGreen = Green < 0.0f ? 0.0f : (Green > 1.0f ? 1.0f : Green);
- ClearBlue = Blue < 0.0f ? 0.0f : (Blue > 1.0f ? 1.0f : Blue);
- ClearAlpha = Alpha < 0.0f ? 0.0f : (Alpha > 1.0f ? 1.0f : Alpha);
- if ((Red == Green) && (Red == Blue) && (Green == Blue)) {
- ClearLum = Red < 0.0f ? 0.0f : (Red > 1.0f ? 1.0f : Red);
- }
- else {
- ClearLum = 0.212671f * ClearRed + 0.715160f * ClearGreen + 0.072169f * ClearBlue;
- ClearLum = ClearLum < 0.0f ? 0.0f : (ClearLum > 1.0f ? 1.0f : ClearLum);
- }
- return;
- }
- ILAPI void ILAPIENTRY ilGetClear(void *Colours, ILenum Format, ILenum Type)
- {
- ILubyte *BytePtr;
- ILushort *ShortPtr;
- ILuint *IntPtr;
- ILfloat *FloatPtr;
- ILdouble *DblPtr;
- switch (Type)
- {
- case IL_BYTE:
- case IL_UNSIGNED_BYTE:
- BytePtr = (ILubyte*)Colours;
- switch (Format)
- {
- case IL_RGB:
- BytePtr[0] = (ILubyte)(ClearRed * UCHAR_MAX);
- BytePtr[1] = (ILubyte)(ClearGreen * UCHAR_MAX);
- BytePtr[2] = (ILubyte)(ClearBlue * UCHAR_MAX);
- break;
- case IL_RGBA:
- BytePtr[0] = (ILubyte)(ClearRed * UCHAR_MAX);
- BytePtr[1] = (ILubyte)(ClearGreen * UCHAR_MAX);
- BytePtr[2] = (ILubyte)(ClearBlue * UCHAR_MAX);
- BytePtr[3] = (ILubyte)(ClearAlpha * UCHAR_MAX);
- break;
- case IL_BGR:
- BytePtr[2] = (ILubyte)(ClearRed * UCHAR_MAX);
- BytePtr[1] = (ILubyte)(ClearGreen * UCHAR_MAX);
- BytePtr[0] = (ILubyte)(ClearBlue * UCHAR_MAX);
- BytePtr[3] = (ILubyte)(ClearAlpha * UCHAR_MAX);
- break;
- case IL_BGRA:
- BytePtr[2] = (ILubyte)(ClearRed * UCHAR_MAX);
- BytePtr[1] = (ILubyte)(ClearGreen * UCHAR_MAX);
- BytePtr[0] = (ILubyte)(ClearBlue * UCHAR_MAX);
- BytePtr[3] = (ILubyte)(ClearAlpha * UCHAR_MAX);
- break;
- case IL_LUMINANCE:
- BytePtr[0] = (ILubyte)(ClearAlpha * UCHAR_MAX);
- break;
- case IL_LUMINANCE_ALPHA:
- BytePtr[0] = (ILubyte)(ClearLum * UCHAR_MAX);
- BytePtr[1] = (ILubyte)(ClearAlpha * UCHAR_MAX);
- case IL_COLOUR_INDEX:
- BytePtr[0] = (ILubyte)(ClearAlpha * UCHAR_MAX);
- break;
- default:
- ilSetError(IL_INTERNAL_ERROR);
- return;
- }
- break;
- case IL_SHORT:
- case IL_UNSIGNED_SHORT:
- ShortPtr = (ILushort*)Colours;
- switch (Format)
- {
- case IL_RGB:
- ShortPtr[0] = (ILushort)(ClearRed * USHRT_MAX);
- ShortPtr[1] = (ILushort)(ClearGreen * USHRT_MAX);
- ShortPtr[2] = (ILushort)(ClearBlue * USHRT_MAX);
- break;
- case IL_RGBA:
- ShortPtr[0] = (ILushort)(ClearRed * USHRT_MAX);
- ShortPtr[1] = (ILushort)(ClearGreen * USHRT_MAX);
- ShortPtr[2] = (ILushort)(ClearBlue * USHRT_MAX);
- ShortPtr[3] = (ILushort)(ClearAlpha * USHRT_MAX);
- break;
- case IL_BGR:
- ShortPtr[2] = (ILushort)(ClearRed * USHRT_MAX);
- ShortPtr[1] = (ILushort)(ClearGreen * USHRT_MAX);
- ShortPtr[0] = (ILushort)(ClearBlue * USHRT_MAX);
- ShortPtr[3] = (ILushort)(ClearAlpha * USHRT_MAX);
- break;
- case IL_BGRA:
- ShortPtr[2] = (ILushort)(ClearRed * USHRT_MAX);
- ShortPtr[1] = (ILushort)(ClearGreen * USHRT_MAX);
- ShortPtr[0] = (ILushort)(ClearBlue * USHRT_MAX);
- ShortPtr[3] = (ILushort)(ClearAlpha * USHRT_MAX);
- break;
- case IL_LUMINANCE:
- ShortPtr[0] = (ILushort)(ClearAlpha * USHRT_MAX);
- break;
- case IL_LUMINANCE_ALPHA:
- ShortPtr[0] = (ILushort)(ClearLum * USHRT_MAX);
- ShortPtr[1] = (ILushort)(ClearAlpha * USHRT_MAX);
- break;
- case IL_COLOUR_INDEX:
- ShortPtr[0] = (ILushort)(ClearAlpha * USHRT_MAX);
- break;
- default:
- ilSetError(IL_INTERNAL_ERROR);
- return;
- }
- break;
- case IL_INT:
- case IL_UNSIGNED_INT:
- IntPtr = (ILuint*)Colours;
- switch (Format)
- {
- case IL_RGB:
- IntPtr[0] = (ILuint)(ClearRed * UINT_MAX);
- IntPtr[1] = (ILuint)(ClearGreen * UINT_MAX);
- IntPtr[2] = (ILuint)(ClearBlue * UINT_MAX);
- break;
- case IL_RGBA:
- IntPtr[0] = (ILuint)(ClearRed * UINT_MAX);
- IntPtr[1] = (ILuint)(ClearGreen * UINT_MAX);
- IntPtr[2] = (ILuint)(ClearBlue * UINT_MAX);
- IntPtr[3] = (ILuint)(ClearAlpha * UINT_MAX);
- break;
- case IL_BGR:
- IntPtr[2] = (ILuint)(ClearRed * UINT_MAX);
- IntPtr[1] = (ILuint)(ClearGreen * UINT_MAX);
- IntPtr[0] = (ILuint)(ClearBlue * UINT_MAX);
- IntPtr[3] = (ILuint)(ClearAlpha * UINT_MAX);
- break;
- case IL_BGRA:
- IntPtr[2] = (ILuint)(ClearRed * UINT_MAX);
- IntPtr[1] = (ILuint)(ClearGreen * UINT_MAX);
- IntPtr[0] = (ILuint)(ClearBlue * UINT_MAX);
- IntPtr[3] = (ILuint)(ClearAlpha * UINT_MAX);
- break;
- case IL_LUMINANCE:
- IntPtr[0] = (ILuint)(ClearAlpha * UINT_MAX);
- break;
- case IL_LUMINANCE_ALPHA:
- IntPtr[0] = (ILuint)(ClearLum * UINT_MAX);
- IntPtr[1] = (ILuint)(ClearAlpha * UINT_MAX);
- break;
- case IL_COLOUR_INDEX:
- IntPtr[0] = (ILuint)(ClearAlpha * UINT_MAX);
- break;
- default:
- ilSetError(IL_INTERNAL_ERROR);
- return;
- }
- break;
- case IL_FLOAT:
- FloatPtr = (ILfloat*)Colours;
- switch (Format)
- {
- case IL_RGB:
- FloatPtr[0] = ClearRed;
- FloatPtr[1] = ClearGreen;
- FloatPtr[2] = ClearBlue;
- break;
- case IL_RGBA:
- FloatPtr[0] = ClearRed;
- FloatPtr[1] = ClearGreen;
- FloatPtr[2] = ClearBlue;
- FloatPtr[3] = ClearAlpha;
- break;
- case IL_BGR:
- FloatPtr[2] = ClearRed;
- FloatPtr[1] = ClearGreen;
- FloatPtr[0] = ClearBlue;
- FloatPtr[3] = ClearAlpha;
- break;
- case IL_BGRA:
- FloatPtr[2] = ClearRed;
- FloatPtr[1] = ClearGreen;
- FloatPtr[0] = ClearBlue;
- FloatPtr[3] = ClearAlpha;
- break;
- case IL_LUMINANCE:
- FloatPtr[0] = ClearAlpha;
- break;
- case IL_LUMINANCE_ALPHA:
- FloatPtr[0] = ClearLum;
- FloatPtr[0] = ClearAlpha;
- break;
- case IL_COLOUR_INDEX:
- FloatPtr[0] = ClearAlpha;
- break;
- default:
- ilSetError(IL_INTERNAL_ERROR);
- return;
- }
- break;
- case IL_DOUBLE:
- DblPtr = (ILdouble*)Colours;
- switch (Format)
- {
- case IL_RGB:
- DblPtr[0] = ClearRed;
- DblPtr[1] = ClearGreen;
- DblPtr[2] = ClearBlue;
- break;
- case IL_RGBA:
- DblPtr[0] = ClearRed;
- DblPtr[1] = ClearGreen;
- DblPtr[2] = ClearBlue;
- DblPtr[3] = ClearAlpha;
- break;
- case IL_BGR:
- DblPtr[2] = ClearRed;
- DblPtr[1] = ClearGreen;
- DblPtr[0] = ClearBlue;
- DblPtr[3] = ClearAlpha;
- break;
- case IL_BGRA:
- DblPtr[2] = ClearRed;
- DblPtr[1] = ClearGreen;
- DblPtr[0] = ClearBlue;
- DblPtr[3] = ClearAlpha;
- break;
- case IL_LUMINANCE:
- DblPtr[0] = ClearAlpha;
- break;
- case IL_LUMINANCE_ALPHA:
- DblPtr[0] = ClearLum;
- DblPtr[1] = ClearAlpha;
- break;
- case IL_COLOUR_INDEX:
- DblPtr[0] = ClearAlpha;
- break;
- default:
- ilSetError(IL_INTERNAL_ERROR);
- return;
- }
- break;
- default:
- ilSetError(IL_INTERNAL_ERROR);
- return;
- }
- return;
- }
- //! Clears the current bound image to the values specified in ilClearColour
- ILboolean ILAPIENTRY ilClearImage()
- {
- if (iCurImage == NULL) {
- ilSetError(IL_ILLEGAL_OPERATION);
- return IL_FALSE;
- }
- return ilClearImage_(iCurImage);
- }
- ILAPI ILboolean ILAPIENTRY ilClearImage_(ILimage *Image)
- {
- ILuint i, c, NumBytes;
- ILubyte Colours[32]; // Maximum is sizeof(double) * 4 = 32
- ILubyte *BytePtr;
- ILushort *ShortPtr;
- ILuint *IntPtr;
- ILfloat *FloatPtr;
- ILdouble *DblPtr;
- NumBytes = Image->Bpp * Image->Bpc;
- ilGetClear(Colours, Image->Format, Image->Type);
- if (Image->Format != IL_COLOUR_INDEX) {
- switch (Image->Type)
- {
- case IL_BYTE:
- case IL_UNSIGNED_BYTE:
- BytePtr = (ILubyte*)Colours;
- for (c = 0; c < NumBytes; c += Image->Bpc) {
- for (i = c; i < Image->SizeOfData; i += NumBytes) {
- Image->Data[i] = BytePtr[c];
- }
- }
- break;
- case IL_SHORT:
- case IL_UNSIGNED_SHORT:
- ShortPtr = (ILushort*)Colours;
- for (c = 0; c < NumBytes; c += Image->Bpc) {
- for (i = c; i < Image->SizeOfData; i += NumBytes) {
- *((ILushort*)(Image->Data + i)) = ShortPtr[c / Image->Bpc];
- }
- }
- break;
- case IL_INT:
- case IL_UNSIGNED_INT:
- IntPtr = (ILuint*)Colours;
- for (c = 0; c < NumBytes; c += Image->Bpc) {
- for (i = c; i < Image->SizeOfData; i += NumBytes) {
- *((ILuint*)(Image->Data + i)) = IntPtr[c / Image->Bpc];
- }
- }
- break;
- case IL_FLOAT:
- FloatPtr = (ILfloat*)Colours;
- for (c = 0; c < NumBytes; c += Image->Bpc) {
- for (i = c; i < Image->SizeOfData; i += NumBytes) {
- *((ILfloat*)(Image->Data + i)) = FloatPtr[c / Image->Bpc];
- }
- }
- break;
- case IL_DOUBLE:
- DblPtr = (ILdouble*)Colours;
- for (c = 0; c < NumBytes; c += Image->Bpc) {
- for (i = c; i < Image->SizeOfData; i += NumBytes) {
- *((ILdouble*)(Image->Data + i)) = DblPtr[c / Image->Bpc];
- }
- }
- break;
- }
- }
- else {
- imemclear(Image->Data, Image->SizeOfData);
- if (Image->Pal.Palette)
- ifree(Image->Pal.Palette);
- Image->Pal.Palette = (ILubyte*)ialloc(4);
- if (Image->Pal.Palette == NULL) {
- return IL_FALSE;
- }
- Image->Pal.PalType = IL_PAL_RGBA32;
- Image->Pal.PalSize = 4;
- Image->Pal.Palette[0] = Colours[0] * UCHAR_MAX;
- Image->Pal.Palette[1] = Colours[1] * UCHAR_MAX;
- Image->Pal.Palette[2] = Colours[2] * UCHAR_MAX;
- Image->Pal.Palette[3] = Colours[3] * UCHAR_MAX;
- }
- return IL_TRUE;
- }
- //! Overlays the image found in Src on top of the current bound image at the coords specified.
- ILboolean ILAPIENTRY ilOverlayImage(ILuint Source, ILint XCoord, ILint YCoord, ILint ZCoord)
- {
- ILuint Width, Height, Depth;
- ILuint Dest;
- Dest = ilGetCurName();
- ilBindImage(Source);
- Width = iCurImage->Width; Height = iCurImage->Height; Depth = iCurImage->Depth;
- ilBindImage(Dest);
- return ilBlit(Source, XCoord, YCoord, ZCoord, 0, 0, 0, Width, Height, Depth);
- }
- //@NEXT DestX,DestY,DestZ must be set to ILuint
- ILboolean ILAPIENTRY ilBlit(ILuint Source, ILint DestX, ILint DestY, ILint DestZ,
- ILuint SrcX, ILuint SrcY, ILuint SrcZ,
- ILuint Width, ILuint Height, ILuint Depth)
- {
- ILuint x, y, z, ConvBps, ConvSizePlane;
- ILimage *Dest,*Src;
- ILubyte *Converted;
- ILuint DestName = ilGetCurName();
- ILuint c;
- ILuint StartX, StartY, StartZ;
- ILboolean DestFlipped = IL_FALSE;
- ILubyte *SrcTemp;
- ILfloat Back;
- // Check if the desiination image really exists
- if (DestName == 0 || iCurImage == NULL) {
- ilSetError(IL_ILLEGAL_OPERATION);
- return IL_FALSE;
- }
- Dest = iCurImage;
- // set the destination image to upper left origin
- if (Dest->Origin == IL_ORIGIN_LOWER_LEFT) { // Dest
- DestFlipped = IL_TRUE;
- ilFlipImage();
- }
- //DestOrigin = Dest->Origin;
- ilBindImage(Source);
- // Check if the source image really exists
- if (iCurImage == NULL) {
- ilSetError(IL_INVALID_PARAM);
- return IL_FALSE;
- }
- Src = iCurImage;
- //@TODO test if coordinates are inside the images (hard limit for source)
- // set the source image to upper left origin
- if (Src->Origin == IL_ORIGIN_LOWER_LEFT)
- {
- SrcTemp = iGetFlipped(iCurImage);
- if (SrcTemp == NULL)
- {
- ilBindImage(DestName);
- if (DestFlipped)
- ilFlipImage();
- return IL_FALSE;
- }
- }
- else
- {
- SrcTemp = iCurImage->Data;
- }
- // convert source image to match the destination image type and format
- Converted = (ILubyte*)ilConvertBuffer(Src->SizeOfData, Src->Format, Dest->Format, Src->Type, Dest->Type, NULL, SrcTemp);
- if (Converted == NULL)
- return IL_FALSE;
- ConvBps = Dest->Bpp * Src->Width;
- ConvSizePlane = ConvBps * Src->Height;
- //@NEXT in next version this would have to be removed since Dest* will be unsigned
- StartX = DestX >= 0 ? 0 : -DestX;
- StartY = DestY >= 0 ? 0 : -DestY;
- StartZ = DestZ >= 0 ? 0 : -DestZ;
- // Limit the copy of data inside of the destination image
- if (Width + DestX > Dest->Width) Width = Dest->Width - DestX;
- if (Height + DestY > Dest->Height) Height = Dest->Height - DestY;
- if (Depth + DestZ > Dest->Depth) Depth = Dest->Depth - DestZ;
- //@TODO: non funziona con rgba
- if (Src->Format == IL_RGBA || Src->Format == IL_BGRA || Src->Format == IL_LUMINANCE_ALPHA) {
- const ILuint bpp_without_alpha = Dest->Bpp - 1;
- for (z = 0; z < Depth; z++) {
- for (y = 0; y < Height; y++) {
- for (x = 0; x < Width; x++) {
- const ILuint SrcIndex = (z+SrcZ)*ConvSizePlane + (y+SrcY)*ConvBps + (x+SrcX)*Dest->Bpp;
- const ILuint DestIndex = (z+DestZ)*Dest->SizeOfPlane + (y+DestY)*Dest->Bps + (x+DestX)*Dest->Bpp;
- const ILuint AlphaIdx = SrcIndex + bpp_without_alpha;
- ILfloat Front = 0;
- switch (Dest->Type)
- {
- case IL_BYTE:
- case IL_UNSIGNED_BYTE:
- Front = Converted[AlphaIdx]/((float)IL_MAX_UNSIGNED_BYTE);
- break;
- case IL_SHORT:
- case IL_UNSIGNED_SHORT:
- Front = ((ILshort*)Converted)[AlphaIdx]/((float)IL_MAX_UNSIGNED_SHORT);
- break;
- case IL_INT:
- case IL_UNSIGNED_INT:
- Front = ((ILint*)Converted)[AlphaIdx]/((float)IL_MAX_UNSIGNED_INT);
- break;
- case IL_FLOAT:
- Front = ((ILfloat*)Converted)[AlphaIdx];
- break;
- case IL_DOUBLE:
- Front = (ILfloat)(((ILdouble*)Converted)[AlphaIdx]);
- break;
- }
- Back = 1.0f - Front;
- // In case of Alpha channel, the data is blended. Keeps the original alpha.
- if (ilIsEnabled(IL_BLIT_BLEND)) {
- for (c = 0; c < bpp_without_alpha; c++)
- {
- Dest->Data[DestIndex + c] =
- (ILubyte)(Converted[SrcIndex + c] * Front
- + Dest->Data[DestIndex + c] * Back);
- }
- }
- else {
- for (c = 0; c < Dest->Bpp; c++)
- {
- Dest->Data[DestIndex + c] = (ILubyte)(Converted[SrcIndex + c]);
- }
- }
- }
- }
- }
- } else {
- for( z = 0; z < Depth; z++ ) {
- for( y = 0; y < Height; y++ ) {
- for( x = 0; x < Width; x++ ) {
- for( c = 0; c < Dest->Bpp; c++ ) {
- Dest->Data[(z+DestZ)*Dest->SizeOfPlane + (y+DestY)*Dest->Bps + (x+DestX)*Dest->Bpp + c] =
- Converted[(z+SrcZ)*ConvSizePlane + (y+SrcY)*ConvBps + (x+SrcX)*Dest->Bpp + c];
- }
- }
- }
- }
- }
- if (SrcTemp != iCurImage->Data)
- ifree(SrcTemp);
- ilBindImage(DestName);
- if (DestFlipped)
- ilFlipImage();
- ifree(Converted);
- return IL_TRUE;
- }
- ILboolean iCopySubImage(ILimage *Dest, ILimage *Src)
- {
- ILimage *DestTemp, *SrcTemp;
- DestTemp = Dest;
- SrcTemp = Src;
- do {
- ilCopyImageAttr(DestTemp, SrcTemp);
- DestTemp->Data = (ILubyte*)ialloc(SrcTemp->SizeOfData);
- if (DestTemp->Data == NULL) {
- return IL_FALSE;
- }
- memcpy(DestTemp->Data, SrcTemp->Data, SrcTemp->SizeOfData);
- if (SrcTemp->Next) {
- DestTemp->Next = (ILimage*)icalloc(1, sizeof(ILimage));
- if (!DestTemp->Next) {
- return IL_FALSE;
- }
- }
- else {
- DestTemp->Next = NULL;
- }
- DestTemp = DestTemp->Next;
- SrcTemp = SrcTemp->Next;
- } while (SrcTemp);
- return IL_TRUE;
- }
- ILboolean iCopySubImages(ILimage *Dest, ILimage *Src)
- {
- if (Src->Faces) {
- Dest->Faces = (ILimage*)icalloc(1, sizeof(ILimage));
- if (!Dest->Faces) {
- return IL_FALSE;
- }
- if (!iCopySubImage(Dest->Faces, Src->Faces))
- return IL_FALSE;
- }
- if (Src->Layers) {
- Dest->Layers = (ILimage*)icalloc(1, sizeof(ILimage));
- if (!Dest->Layers) {
- return IL_FALSE;
- }
- if (!iCopySubImage(Dest->Layers, Src->Layers))
- return IL_FALSE;
- }
- if (Src->Mipmaps) {
- Dest->Mipmaps = (ILimage*)icalloc(1, sizeof(ILimage));
- if (!Dest->Mipmaps) {
- return IL_FALSE;
- }
- if (!iCopySubImage(Dest->Mipmaps, Src->Mipmaps))
- return IL_FALSE;
- }
- if (Src->Next) {
- Dest->Next = (ILimage*)icalloc(1, sizeof(ILimage));
- if (!Dest->Next) {
- return IL_FALSE;
- }
- if (!iCopySubImage(Dest->Next, Src->Next))
- return IL_FALSE;
- }
- return IL_TRUE;
- }
- // Copies everything but the Data from Src to Dest.
- ILAPI ILboolean ILAPIENTRY ilCopyImageAttr(ILimage *Dest, ILimage *Src)
- {
- if (Dest == NULL || Src == NULL) {
- ilSetError(IL_INVALID_PARAM);
- return IL_FALSE;
- }
- if (Dest->Pal.Palette && Dest->Pal.PalSize && Dest->Pal.PalType != IL_PAL_NONE) {
- ifree(Dest->Pal.Palette);
- Dest->Pal.Palette = NULL;
- }
- if (Dest->Faces) {
- ilCloseImage(Dest->Faces);
- Dest->Faces = NULL;
- }
- if (Dest->Layers) {
- ilCloseImage(Dest->Layers);
- Dest->Layers = NULL;
- }
- if (Dest->Mipmaps) {
- ilCloseImage(Dest->Mipmaps);
- Dest->Mipmaps = NULL;
- }
- if (Dest->Next) {
- ilCloseImage(Dest->Next);
- Dest->Next = NULL;
- }
- if (Dest->Profile) {
- ifree(Dest->Profile);
- Dest->Profile = NULL;
- Dest->ProfileSize = 0;
- }
- if (Dest->DxtcData) {
- ifree(Dest->DxtcData);
- Dest->DxtcData = NULL;
- Dest->DxtcFormat = IL_DXT_NO_COMP;
- Dest->DxtcSize = 0;
- }
- if (Src->AnimList && Src->AnimSize) {
- Dest->AnimList = (ILuint*)ialloc(Src->AnimSize * sizeof(ILuint));
- if (Dest->AnimList == NULL) {
- return IL_FALSE;
- }
- memcpy(Dest->AnimList, Src->AnimList, Src->AnimSize * sizeof(ILuint));
- }
- if (Src->Profile) {
- Dest->Profile = (ILubyte*)ialloc(Src->ProfileSize);
- if (Dest->Profile == NULL) {
- return IL_FALSE;
- }
- memcpy(Dest->Profile, Src->Profile, Src->ProfileSize);
- Dest->ProfileSize = Src->ProfileSize;
- }
- if (Src->Pal.Palette) {
- Dest->Pal.Palette = (ILubyte*)ialloc(Src->Pal.PalSize);
- if (Dest->Pal.Palette == NULL) {
- return IL_FALSE;
- }
- memcpy(Dest->Pal.Palette, Src->Pal.Palette, Src->Pal.PalSize);
- }
- else {
- Dest->Pal.Palette = NULL;
- }
- Dest->Pal.PalSize = Src->Pal.PalSize;
- Dest->Pal.PalType = Src->Pal.PalType;
- Dest->Width = Src->Width;
- Dest->Height = Src->Height;
- Dest->Depth = Src->Depth;
- Dest->Bpp = Src->Bpp;
- Dest->Bpc = Src->Bpc;
- Dest->Bps = Src->Bps;
- Dest->SizeOfPlane = Src->SizeOfPlane;
- Dest->SizeOfData = Src->SizeOfData;
- Dest->Format = Src->Format;
- Dest->Type = Src->Type;
- Dest->Origin = Src->Origin;
- Dest->Duration = Src->Duration;
- Dest->CubeFlags = Src->CubeFlags;
- Dest->AnimSize = Src->AnimSize;
- Dest->OffX = Src->OffX;
- Dest->OffY = Src->OffY;
- return IL_TRUE/*iCopySubImages(Dest, Src)*/;
- }
- //! Copies everything from Src to the current bound image.
- ILboolean ILAPIENTRY ilCopyImage(ILuint Src)
- {
- ILuint DestName = ilGetCurName();
- ILimage *DestImage = iCurImage, *SrcImage;
- if (iCurImage == NULL || DestName == 0) {
- ilSetError(IL_ILLEGAL_OPERATION);
- return IL_FALSE;
- }
- ilBindImage(Src);
- SrcImage = iCurImage;
- ilBindImage(DestName);
- ilTexImage(SrcImage->Width, SrcImage->Height, SrcImage->Depth, SrcImage->Bpp, SrcImage->Format, SrcImage->Type, SrcImage->Data);
- ilCopyImageAttr(DestImage, SrcImage);
- return IL_TRUE;
- }
- // Creates a copy of Src and returns it.
- ILAPI ILimage* ILAPIENTRY ilCopyImage_(ILimage *Src)
- {
- ILimage *Dest;
- if (Src == NULL) {
- ilSetError(IL_INVALID_PARAM);
- return NULL;
- }
- Dest = ilNewImage(Src->Width, Src->Height, Src->Depth, Src->Bpp, Src->Bpc);
- if (Dest == NULL) {
- return NULL;
- }
- if (ilCopyImageAttr(Dest, Src) == IL_FALSE)
- return NULL;
- memcpy(Dest->Data, Src->Data, Src->SizeOfData);
- return Dest;
- }
- ILuint ILAPIENTRY ilCloneCurImage()
- {
- ILuint Id;
- ILimage *CurImage;
- if (iCurImage == NULL) {
- ilSetError(IL_ILLEGAL_OPERATION);
- return 0;
- }
- ilGenImages(1, &Id);
- if (Id == 0)
- return 0;
- CurImage = iCurImage;
- ilBindImage(Id);
- ilTexImage(CurImage->Width, CurImage->Height, CurImage->Depth, CurImage->Bpp, CurImage->Format, CurImage->Type, CurImage->Data);
- ilCopyImageAttr(iCurImage, CurImage);
- iCurImage = CurImage;
- return Id;
- }
- // Like ilTexImage but doesn't destroy the palette.
- ILAPI ILboolean ILAPIENTRY ilResizeImage(ILimage *Image, ILuint Width, ILuint Height, ILuint Depth, ILubyte Bpp, ILubyte Bpc)
- {
- if (Image == NULL) {
- ilSetError(IL_INVALID_PARAM);
- return IL_FALSE;
- }
- if (Image->Data != NULL)
- ifree(Image->Data);
- Image->Depth = Depth;
- Image->Width = Width;
- Image->Height = Height;
- Image->Bpp = Bpp;
- Image->Bpc = Bpc;
- Image->Bps = Bpp * Bpc * Width;
- Image->SizeOfPlane = Image->Bps * Height;
- Image->SizeOfData = Image->SizeOfPlane * Depth;
- Image->Data = (ILubyte*)ialloc(Image->SizeOfData);
- if (Image->Data == NULL) {
- return IL_FALSE;
- }
- return IL_TRUE;
- }