// Internal version of ilTexImage.
ILAPI ILboolean ILAPIENTRY ilTexImage_(ILimage *Image, ILuint Width, ILuint Height, ILuint Depth, ILubyte Bpp, ILenum Format, ILenum Type, ILvoid *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->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);
////
// 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);
}
ILAPI ILimage* ILAPIENTRY ilNewImageFull(ILuint Width, ILuint Height, ILuint Depth, ILubyte Bpp, ILenum Format, ILenum Type, ILvoid *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;
}
// 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;
}
// Internal function used to load the Jpeg2000 stream.
ILboolean iLoadJp2Internal(jas_stream_t *Stream, ILimage *Image)
{
jas_image_t *Jp2Image = NULL;
jas_matrix_t *origdata;
ILuint x, y, c;
ILimage *TempImage;
// Decode image
Jp2Image = jas_image_decode(Stream, -1, 0);
if (!Jp2Image)
{
ilSetError(IL_ILLEGAL_FILE_VALUE);
jas_stream_close(Stream);
return IL_FALSE;
}
// We're not supporting anything other than 8 bits/component yet.
if (jas_image_cmptprec(Jp2Image, 0) != 8)
{
jas_image_destroy(Jp2Image);
ilSetError(IL_ILLEGAL_FILE_VALUE);
return IL_FALSE;
}
switch (jas_image_numcmpts(Jp2Image))
{
case 3:
if (Image == NULL) {
ilTexImage(jas_image_width(Jp2Image), jas_image_height(Jp2Image), 1, 3, IL_RGB, IL_UNSIGNED_BYTE, NULL);
TempImage = iCurImage;
}
else {
ifree(Image->Data); // @TODO: Not really the most efficient way to do this...
ilInitImage(Image, jas_image_width(Jp2Image), jas_image_height(Jp2Image), 1, 3, IL_RGB, IL_UNSIGNED_BYTE, NULL);
TempImage = Image;
}
break;
case 4:
if (Image == NULL) {
ilTexImage(jas_image_width(Jp2Image), jas_image_height(Jp2Image), 1, 4, IL_RGBA, IL_UNSIGNED_BYTE, NULL);
TempImage = iCurImage;
}
else {
ifree(Image->Data); // @TODO: Not really the most efficient way to do this...
ilInitImage(Image, jas_image_width(Jp2Image), jas_image_height(Jp2Image), 1, 4, IL_RGBA, IL_UNSIGNED_BYTE, NULL);
TempImage = Image;
}
break;
default:
jas_image_destroy(Jp2Image);
ilSetError(IL_ILLEGAL_FILE_VALUE);
return IL_FALSE;
}
TempImage->Origin = IL_ORIGIN_UPPER_LEFT;
// JasPer stores the data channels separately.
// I am assuming RGBA format. Is it possible for other formats to be included?
for (c = 0; c < TempImage->Bpp; c++)
{
origdata = jas_matrix_create(TempImage->Height, TempImage->Width);
if (!origdata)
{
ilSetError(IL_LIB_JP2_ERROR);
return IL_FALSE; // @TODO: Error
}
// Have to convert data into an intermediate matrix format.
if (jas_image_readcmpt(Jp2Image, c, 0, 0, TempImage->Width, TempImage->Height, origdata))
{
return IL_FALSE;
}
for (y = 0; y < TempImage->Height; y++)
{
for (x = 0; x < TempImage->Width; x++)
{
TempImage->Data[y * TempImage->Width * TempImage->Bpp + x * TempImage->Bpp + c] = origdata->data_[y * origdata->numcols_ + x];
}
}
jas_matrix_destroy(origdata);
}
jas_image_destroy(Jp2Image);
ilFixImage();
return IL_TRUE;
}
// Internal function used to load the Jpeg2000 stream.
ILboolean iLoadJp2Internal(jas_stream_t *Stream, ILimage *Image)
{
jas_image_t *Jp2Image = NULL;
jas_matrix_t *origdata;
ILuint x, y, c, Error;
ILimage *TempImage;
// Decode image
Jp2Image = jas_image_decode(Stream, -1, 0);
if (!Jp2Image)
{
ilSetError(IL_ILLEGAL_FILE_VALUE);
jas_stream_close(Stream);
return IL_FALSE;
}
// JasPer likes to buffer a lot, so it may try buffering past the end
// of the file. iread naturally sets IL_FILE_READ_ERROR if it tries
// reading past the end of the file, but this actually is not an error.
Error = ilGetError();
// Put the error back if it is not IL_FILE_READ_ERROR.
if (Error != IL_FILE_READ_ERROR)
ilSetError(Error);
// We're not supporting anything other than 8 bits/component yet.
if (jas_image_cmptprec(Jp2Image, 0) != 8)
{
jas_image_destroy(Jp2Image);
ilSetError(IL_ILLEGAL_FILE_VALUE);
return IL_FALSE;
}
switch (jas_image_numcmpts(Jp2Image))
{
//@TODO: Can we do alpha data? jas_image_cmpttype always returns 0 for this case.
case 1: // Assuming this is luminance data.
if (Image == NULL) {
ilTexImage(jas_image_width(Jp2Image), jas_image_height(Jp2Image), 1, 1, IL_LUMINANCE, IL_UNSIGNED_BYTE, NULL);
TempImage = iCurImage;
}
else {
ifree(Image->Data); // @TODO: Not really the most efficient way to do this...
ilInitImage(Image, jas_image_width(Jp2Image), jas_image_height(Jp2Image), 1, 1, IL_LUMINANCE, IL_UNSIGNED_BYTE, NULL);
TempImage = Image;
}
break;
case 2: // Assuming this is luminance-alpha data.
if (Image == NULL) {
ilTexImage(jas_image_width(Jp2Image), jas_image_height(Jp2Image), 1, 2, IL_LUMINANCE_ALPHA, IL_UNSIGNED_BYTE, NULL);
TempImage = iCurImage;
}
else {
ifree(Image->Data); // @TODO: Not really the most efficient way to do this...
ilInitImage(Image, jas_image_width(Jp2Image), jas_image_height(Jp2Image), 1, 2, IL_LUMINANCE_ALPHA, IL_UNSIGNED_BYTE, NULL);
TempImage = Image;
}
break;
case 3:
if (Image == NULL) {
ilTexImage(jas_image_width(Jp2Image), jas_image_height(Jp2Image), 1, 3, IL_RGB, IL_UNSIGNED_BYTE, NULL);
TempImage = iCurImage;
}
else {
ifree(Image->Data); // @TODO: Not really the most efficient way to do this...
ilInitImage(Image, jas_image_width(Jp2Image), jas_image_height(Jp2Image), 1, 3, IL_RGB, IL_UNSIGNED_BYTE, NULL);
TempImage = Image;
}
break;
case 4:
if (Image == NULL) {
ilTexImage(jas_image_width(Jp2Image), jas_image_height(Jp2Image), 1, 4, IL_RGBA, IL_UNSIGNED_BYTE, NULL);
TempImage = iCurImage;
}
else {
ifree(Image->Data); // @TODO: Not really the most efficient way to do this...
ilInitImage(Image, jas_image_width(Jp2Image), jas_image_height(Jp2Image), 1, 4, IL_RGBA, IL_UNSIGNED_BYTE, NULL);
TempImage = Image;
}
break;
default:
jas_image_destroy(Jp2Image);
ilSetError(IL_ILLEGAL_FILE_VALUE);
return IL_FALSE;
}
TempImage->Origin = IL_ORIGIN_UPPER_LEFT;
// JasPer stores the data channels separately.
// I am assuming RGBA format. Is it possible for other formats to be included?
for (c = 0; c < TempImage->Bpp; c++)
{
origdata = jas_matrix_create(TempImage->Height, TempImage->Width);
if (!origdata)
{
ilSetError(IL_LIB_JP2_ERROR);
return IL_FALSE; // @TODO: Error
}
// Have to convert data into an intermediate matrix format.
if (jas_image_readcmpt(Jp2Image, c, 0, 0, TempImage->Width, TempImage->Height, origdata))
{
return IL_FALSE;
}
for (y = 0; y < TempImage->Height; y++)
{
for (x = 0; x < TempImage->Width; x++)
{
TempImage->Data[y * TempImage->Width * TempImage->Bpp + x * TempImage->Bpp + c] = origdata->data_[y * origdata->numcols_ + x];
}
}
jas_matrix_destroy(origdata);
}
jas_image_destroy(Jp2Image);
return ilFixImage();
}
