ILAPI void ILAPIENTRY il2SetPixels(ILimage* image, ILint XOff, ILint YOff, ILint ZOff, ILuint Width, ILuint Height, ILuint Depth, ILenum Format, ILenum Type, void *Data)
{
void *Converted;
if (image == NULL) {
il2SetError(IL_ILLEGAL_OPERATION);
return;
}
if (Data == NULL) {
il2SetError(IL_INVALID_PARAM);
return;
}
if (Format == image->Format && Type == image->Type) {
Converted = (void*)Data;
}
else {
Converted = ilConvertBuffer(Width * Height * Depth * ilGetBppFormat(Format) * ilGetBpcType(Type), Format, image->Format, Type, image->Type, NULL, Data);
if (!Converted)
return;
}
if (YOff + Height <= 1) {
ilSetPixels1D(image, XOff, Width, Converted);
}
else if (ZOff + Depth <= 1) {
ilSetPixels2D(image, XOff, YOff, Width, Height, Converted);
}
else {
ilSetPixels3D(image, XOff, YOff, ZOff, Width, Height, Depth, Converted);
}
if (Format == image->Format && Type == image->Type) {
return;
}
if (Converted != Data)
ifree(Converted);
return;
}
ILboolean ILAPIENTRY ilBlit(ILuint Source, ILint DestX, ILint DestY, ILint DestZ, ILuint SrcX, ILuint SrcY, ILuint SrcZ, ILuint Width, ILuint Height, ILuint Depth)
{
register ILuint x, y, z, SrcIndex, DestIndex, ConvBps, ConvSizePlane;
ILimage *Dest;
ILubyte *Converted;
ILuint DestName = ilGetCurName();
ILint c;
ILfloat FrontPer, BackPer;
ILenum DestOrigin, SrcOrigin;
ILuint StartX, StartY, StartZ, AlphaOff;
ILboolean DestFlipped = IL_FALSE;
ILubyte *SrcTemp;
if (DestName == 0 || iCurImage == NULL) {
ilSetError(IL_ILLEGAL_OPERATION);
return IL_FALSE;
}
if (iCurImage->Origin == IL_ORIGIN_LOWER_LEFT) { // Dest
DestFlipped = IL_TRUE;
ilFlipImage();
}
Dest = iCurImage;
DestOrigin = iCurImage->Origin;
ilBindImage(Source);
SrcOrigin = iCurImage->Origin;
if (iCurImage->Origin == IL_ORIGIN_LOWER_LEFT) {
SrcTemp = iGetFlipped(iCurImage);
if (SrcTemp == NULL) {
ilBindImage(DestName);
if (DestFlipped)
ilFlipImage();
return IL_FALSE;
}
}
else {
SrcTemp = iCurImage->Data;
}
if (Dest == NULL || iCurImage == NULL) {
ilSetError(IL_INVALID_PARAM);
return IL_FALSE;
}
Converted = ilConvertBuffer(iCurImage->SizeOfData, iCurImage->Format, Dest->Format, iCurImage->Type, Dest->Type, SrcTemp);
if (Converted == NULL)
return IL_FALSE;
ConvBps = Dest->Bpp * iCurImage->Width;
ConvSizePlane = ConvBps * iCurImage->Height;
StartX = DestX >= 0 ? 0 : -DestX;
StartY = DestY >= 0 ? 0 : -DestY;
StartZ = DestZ >= 0 ? 0 : -DestZ;
Width = Width + SrcX < Dest->Width ? Width + SrcX : Dest->Width;
Height = Height + SrcY < Dest->Height ? Height + SrcY : Dest->Height;
Depth = Depth + SrcZ < Dest->Depth ? Depth + SrcZ : Dest->Depth;
if (iCurImage->Format == IL_RGBA || iCurImage->Format == IL_BGRA || iCurImage->Format == IL_LUMINANCE_ALPHA) {
if (iCurImage->Format == IL_LUMINANCE_ALPHA)
AlphaOff = 1;
else
AlphaOff = 3;
for (z = StartZ; z < Depth && z + DestZ < Dest->Depth; z++) {
for (y = StartY; y < Height && y + DestY < Dest->Height; y++) {
for (x = StartX; x < Width && x + DestX < Dest->Width; x++) {
SrcIndex = (z + SrcZ) * ConvSizePlane + (y + SrcY) * ConvBps + (x + SrcX) * Dest->Bpp;
DestIndex = (z + DestZ) * Dest->SizeOfPlane + (y + DestY) * Dest->Bps + (x + DestX) * Dest->Bpp;
// Use the original alpha
FrontPer = iCurImage->Data[(z + SrcZ) * iCurImage->SizeOfPlane + (y + SrcY) * iCurImage->Bps + (x + SrcX) * iCurImage->Bpp + 3] / 255.0f;
BackPer = 1.0f - FrontPer;
for (c = 0; c < Dest->Bpp - 1; c++) {
Dest->Data[DestIndex + c] = (ILubyte)(Converted[SrcIndex + c] * FrontPer
+ Dest->Data[DestIndex + c] * BackPer);
}
// Keep the original alpha.
//Dest->Data[DestIndex + c + 1] = Dest->Data[DestIndex + c + 1];
}
}
}
}
else {
for (z = StartZ; z < Depth && z + DestZ < Dest->Depth; z++) {
for (y = StartY; y < Height && y + DestY < Dest->Height; y++) {
for (x = StartX; x < Width && x + DestX < Dest->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;
}
//! 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 x, y, z, SrcIndex, DestIndex, ConvBps, ConvSizePlane;
ILint c;
ILimage *Dest;//, *Src;
ILubyte *Converted;
ILuint DestName = ilGetCurName();
ILfloat FrontPer, BackPer;
ILenum DestOrigin, SrcOrigin;
ILuint StartX, StartY, StartZ, AlphaOff;
ILubyte *SrcTemp = NULL;
ILboolean DestFlipped = IL_FALSE;
if (DestName == 0 || iCurImage == NULL) {
ilSetError(IL_ILLEGAL_OPERATION);
return IL_FALSE;
}
if (iCurImage->Origin == IL_ORIGIN_LOWER_LEFT) { // Dest
DestFlipped = IL_TRUE;
ilFlipImage();
}
Dest = iCurImage;
DestOrigin = iCurImage->Origin;
ilBindImage(Source);
SrcOrigin = iCurImage->Origin;
if (iCurImage->Origin == IL_ORIGIN_LOWER_LEFT) {
SrcTemp = iGetFlipped(iCurImage);
if (SrcTemp == NULL) {
ilBindImage(DestName);
if (DestFlipped)
ilFlipImage();
return IL_FALSE;
}
}
else {
SrcTemp = iCurImage->Data;
}
if (Dest == NULL || iCurImage == NULL) {
ilSetError(IL_INVALID_PARAM);
return IL_FALSE;
}
Converted = ilConvertBuffer(iCurImage->SizeOfData, iCurImage->Format, Dest->Format, iCurImage->Type, Dest->Type, SrcTemp);
if (Converted == NULL)
return IL_FALSE;
ConvBps = Dest->Bpp * iCurImage->Width;
ConvSizePlane = ConvBps * iCurImage->Height;
StartX = XCoord >= 0 ? 0 : -XCoord;
StartY = YCoord >= 0 ? 0 : -YCoord;
StartZ = ZCoord >= 0 ? 0 : -ZCoord;
if (iCurImage->Format == IL_RGBA || iCurImage->Format == IL_BGRA || iCurImage->Format == IL_LUMINANCE_ALPHA) {
if (iCurImage->Format == IL_LUMINANCE_ALPHA)
AlphaOff = 1;
else
AlphaOff = 3;
for (z = StartZ; z < iCurImage->Depth && (ILint)z + ZCoord < (ILint)Dest->Depth; z++) {
for (y = StartY; y < iCurImage->Height && (ILint)y + YCoord < (ILint)Dest->Height; y++) {
for (x = StartX; x < iCurImage->Width && (ILint)x + XCoord < (ILint)Dest->Width; x++) {
SrcIndex = z * ConvSizePlane + y * ConvBps + x * Dest->Bpp;
DestIndex = (z + ZCoord) * Dest->SizeOfPlane + (y + YCoord) * Dest->Bps + (x + XCoord) * Dest->Bpp;
FrontPer = iCurImage->Data[z * iCurImage->SizeOfPlane + y * iCurImage->Bps + x * iCurImage->Bpp + AlphaOff] / 255.0f;
BackPer = 1.0f - FrontPer;
for (c = 0; c < iCurImage->Bpp - 1; c++) {
Dest->Data[DestIndex + c] = (ILubyte)(Converted[SrcIndex + c] * FrontPer
+ Dest->Data[DestIndex + c] * BackPer);
}
// Keep the original alpha.
//Dest->Data[DestIndex + c + 1] = Dest->Data[DestIndex + c + 1];
}
}
}
}
else {
for (z = StartZ; z < iCurImage->Depth && z + ZCoord < Dest->Depth; z++) {
for (y = StartY; y < iCurImage->Height && y + YCoord < Dest->Height; y++) {
for (x = StartX; x < iCurImage->Width && x + XCoord < Dest->Width; x++) {
for (c = 0; c < iCurImage->Bpp; c++) {
Dest->Data[(z + ZCoord) * Dest->SizeOfPlane + (y + YCoord) * Dest->Bps + (x + XCoord) * Dest->Bpp + c] =
Converted[z * ConvSizePlane + y * ConvBps + x * Dest->Bpp + c];
}
}
}
}
}
if (SrcTemp != iCurImage->Data)
ifree(SrcTemp);
ilBindImage(DestName);
if (DestFlipped)
ilFlipImage();
ifree(Converted);
return IL_TRUE;
}
//@NEXT DestX,DestY,DestZ must be set to ILuint
ILboolean ILAPIENTRY il2Blit(ILimage* aSource, ILimage* aTarget, ILint DestX, ILint DestY, ILint DestZ,
ILuint SrcX, ILuint SrcY, ILuint SrcZ, ILuint Width, ILuint Height, ILuint Depth)
{
ILuint x, y, z, ConvBps, ConvSizePlane;
ILubyte *Converted;
ILuint DestName = ilGetCurName();
ILuint c;
ILuint StartX, StartY, StartZ;
ILboolean DestFlipped = IL_FALSE;
ILboolean DoAlphaBlend = IL_FALSE;
ILubyte *SrcTemp;
ILfloat ResultAlpha;
// Check if source and target images really exist
if (aSource == NULL || aTarget == NULL) {
il2SetError(IL_ILLEGAL_OPERATION);
return IL_FALSE;
}
// set the destination image to upper left origin
if (aTarget->Origin == IL_ORIGIN_LOWER_LEFT) { // Dest
DestFlipped = IL_TRUE;
ilFlipImage(aTarget);
}
//determine alpha support
DoAlphaBlend = il2IsEnabled(IL_BLIT_BLEND);
//@TODO test if coordinates are inside the images (hard limit for source)
// set the source image to upper left origin
if (aSource->Origin == IL_ORIGIN_LOWER_LEFT)
{
SrcTemp = iGetFlipped(aSource);
if (SrcTemp == NULL)
{
if (DestFlipped)
ilFlipImage(aTarget);
return IL_FALSE;
}
}
else
{
SrcTemp = aSource->Data;
}
// convert source image to match the destination image type and format
Converted = (ILubyte*)ilConvertBuffer(aSource->SizeOfData, aSource->Format, aTarget->Format,
aSource->Type, aTarget->Type, NULL, SrcTemp);
if (Converted == NULL)
return IL_FALSE;
ConvBps = aTarget->Bpp * aSource->Width;
ConvSizePlane = ConvBps * aSource->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 > aTarget->Width) Width = aTarget->Width - DestX;
if (Height + DestY > aTarget->Height) Height = aTarget->Height - DestY;
if (Depth + DestZ > aTarget->Depth) Depth = aTarget->Depth - DestZ;
//@TODO: non funziona con rgba
if (aSource->Format == IL_RGBA || aSource->Format == IL_BGRA || aSource->Format == IL_LUMINANCE_ALPHA) {
const ILuint bpp_without_alpha = aTarget->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)*aTarget->Bpp;
const ILuint DestIndex = (z+DestZ)*aTarget->SizeOfPlane + (y+DestY)*aTarget->Bps + (x+DestX)*aTarget->Bpp;
const ILuint AlphaIdx = SrcIndex + bpp_without_alpha;
ILfloat FrontAlpha = 0; // foreground opacity
ILfloat BackAlpha = 0; // background opacity
switch (aTarget->Type)
{
case IL_BYTE:
case IL_UNSIGNED_BYTE:
FrontAlpha = Converted[AlphaIdx]/((float)IL_MAX_UNSIGNED_BYTE);
BackAlpha = aTarget->Data[AlphaIdx]/((float)IL_MAX_UNSIGNED_BYTE);
break;
case IL_SHORT:
case IL_UNSIGNED_SHORT:
FrontAlpha = ((ILshort*)Converted)[AlphaIdx]/((float)IL_MAX_UNSIGNED_SHORT);
BackAlpha = ((ILshort*)aTarget->Data)[AlphaIdx]/((float)IL_MAX_UNSIGNED_SHORT);
break;
case IL_INT:
case IL_UNSIGNED_INT:
FrontAlpha = ((ILint*)Converted)[AlphaIdx]/((float)IL_MAX_UNSIGNED_INT);
BackAlpha = ((ILint*)aTarget->Data)[AlphaIdx]/((float)IL_MAX_UNSIGNED_INT);
break;
case IL_FLOAT:
FrontAlpha = ((ILfloat*)Converted)[AlphaIdx];
BackAlpha = ((ILfloat*)aTarget->Data)[AlphaIdx];
break;
case IL_DOUBLE:
FrontAlpha = (ILfloat)(((ILdouble*)Converted)[AlphaIdx]);
BackAlpha = (ILfloat)(((ILdouble*)aTarget->Data)[AlphaIdx]);
break;
}
// In case of Alpha channel, the data is blended.
// Computes composite Alpha
if (DoAlphaBlend)
{
ResultAlpha = FrontAlpha + (1.0f - FrontAlpha) * BackAlpha;
for (c = 0; c < bpp_without_alpha; c++)
{
aTarget->Data[DestIndex + c] = (ILubyte)( 0.5f +
(Converted[SrcIndex + c] * FrontAlpha +
(1.0f - FrontAlpha) * aTarget->Data[DestIndex + c] * BackAlpha)
/ ResultAlpha);
}
aTarget->Data[AlphaIdx] = (ILubyte)(0.5f + ResultAlpha * (float)IL_MAX_UNSIGNED_BYTE);
}
else {
for (c = 0; c < aTarget->Bpp; c++)
{
aTarget->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 < aTarget->Bpp; c++ ) {
aTarget->Data[(z+DestZ)*aTarget->SizeOfPlane + (y+DestY)*aTarget->Bps + (x+DestX)*aTarget->Bpp + c] =
Converted[(z+SrcZ)*ConvSizePlane + (y+SrcY)*ConvBps + (x+SrcX)*aTarget->Bpp + c];
}
}
}
}
}
if (SrcTemp != aSource->Data)
ifree(SrcTemp);
if (DestFlipped)
ilFlipImage(aTarget);
ifree(Converted);
return IL_TRUE;
}
ILAPI ILuint ILAPIENTRY il2CopyPixels(ILimage* image, ILuint XOff, ILuint YOff, ILuint ZOff, ILuint Width, ILuint Height, ILuint Depth, ILenum Format, ILenum Type, void *Data)
{
void *Converted = NULL;
ILubyte *TempBuff = NULL;
ILuint SrcSize, DestSize;
if (image == NULL) {
il2SetError(IL_ILLEGAL_OPERATION);
return 0;
}
DestSize = Width * Height * Depth * ilGetBppFormat(Format) * ilGetBpcType(Type);
if (DestSize == 0) {
return DestSize;
}
if (Data == NULL || Format == IL_COLOUR_INDEX) {
il2SetError(IL_INVALID_PARAM);
return 0;
}
SrcSize = Width * Height * Depth * image->Bpp * image->Bpc;
if (Format == image->Format && Type == image->Type) {
TempBuff = (ILubyte*)Data;
}
else {
TempBuff = (ILubyte*)ialloc(SrcSize);
if (TempBuff == NULL) {
return 0;
}
}
if (YOff + Height <= 1) {
if (!ilCopyPixels1D(image, XOff, Width, TempBuff)) {
goto failed;
}
}
else if (ZOff + Depth <= 1) {
if (!ilCopyPixels2D(image, XOff, YOff, Width, Height, TempBuff)) {
goto failed;
}
}
else {
if (!ilCopyPixels3D(image, XOff, YOff, ZOff, Width, Height, Depth, TempBuff)) {
goto failed;
}
}
if (Format == image->Format && Type == image->Type) {
return DestSize;
}
Converted = ilConvertBuffer(SrcSize, image->Format, Format, image->Type, Type, &image->Pal, TempBuff);
if (Converted == NULL)
goto failed;
memcpy(Data, Converted, DestSize);
ifree(Converted);
if (TempBuff != Data)
ifree(TempBuff);
return DestSize;
failed:
if (TempBuff != Data)
ifree(TempBuff);
ifree(Converted);
return 0;
}
//@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, 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;
}
