// Note: .Cut support has not been tested yet!
// A .cut can only have 1 bpp.
// We need to add support for the .pal's PSP outputs with these...
ILboolean iLoadCutInternal()
{
CUT_HEAD Header;
ILuint Size, i = 0, j;
ILubyte Count, Run;
if (iCurImage == NULL) {
ilSetError(IL_ILLEGAL_OPERATION);
return IL_FALSE;
}
Header.Width = GetLittleShort();
Header.Height = GetLittleShort();
Header.Dummy = GetLittleInt();
if (Header.Width == 0 || Header.Height == 0) {
ilSetError(IL_INVALID_FILE_HEADER);
return IL_FALSE;
}
if (!ilTexImage(Header.Width, Header.Height, 1, 1, IL_COLOUR_INDEX, IL_UNSIGNED_BYTE, NULL)) { // always 1 bpp
return IL_FALSE;
}
iCurImage->Origin = IL_ORIGIN_LOWER_LEFT;
Size = Header.Width * Header.Height;
while (i < Size) {
Count = igetc();
if (Count == 0) { // end of row
igetc(); // Not supposed to be here, but
igetc(); // PSP is putting these two bytes here...WHY?!
continue;
}
if (Count & BIT_7) { // rle-compressed
ClearBits(Count, BIT_7);
Run = igetc();
for (j = 0; j < Count; j++) {
iCurImage->Data[i++] = Run;
}
}
else { // run of pixels
for (j = 0; j < Count; j++) {
iCurImage->Data[i++] = igetc();
}
}
}
iCurImage->Origin = IL_ORIGIN_UPPER_LEFT; // Not sure
/*iCurImage->Pal.Palette = SharedPal.Palette;
iCurImage->Pal.PalSize = SharedPal.PalSize;
iCurImage->Pal.PalType = SharedPal.PalType;*/
return ilFixImage();
}
// From the DTE sources (mostly by Denton Woods with corrections by Randy Heit)
ILboolean iLoadDoomInternal()
{
ILshort width, height, graphic_header[2], column_loop, row_loop;
ILint column_offset, pointer_position, first_pos;
ILubyte post, topdelta, length;
ILubyte *NewData;
ILuint i;
if (iCurImage == NULL) {
ilSetError(IL_ILLEGAL_OPERATION);
return IL_FALSE;
}
first_pos = itell(); // Needed to go back to the offset table
width = GetLittleShort();
height = GetLittleShort();
graphic_header[0] = GetLittleShort(); // Not even used
graphic_header[1] = GetLittleShort(); // Not even used
if (!ilTexImage(width, height, 1, 1, IL_COLOUR_INDEX, IL_UNSIGNED_BYTE, NULL)) {
return IL_FALSE;
}
iCurImage->Origin = IL_ORIGIN_UPPER_LEFT;
iCurImage->Pal.Palette = (ILubyte*)ialloc(IL_DOOMPAL_SIZE);
if (iCurImage->Pal.Palette == NULL) {
return IL_FALSE;
}
iCurImage->Pal.PalSize = IL_DOOMPAL_SIZE;
iCurImage->Pal.PalType = IL_PAL_RGB24;
memcpy(iCurImage->Pal.Palette, ilDefaultDoomPal, IL_DOOMPAL_SIZE);
// 247 is always the transparent colour (usually cyan)
memset(iCurImage->Data, 247, iCurImage->SizeOfData);
for (column_loop = 0; column_loop < width; column_loop++) {
column_offset = GetLittleInt();
pointer_position = itell();
iseek(first_pos + column_offset, IL_SEEK_SET);
while (1) {
if (iread(&topdelta, 1, 1) != 1)
return IL_FALSE;
if (topdelta == 255)
break;
if (iread(&length, 1, 1) != 1)
return IL_FALSE;
if (iread(&post, 1, 1) != 1)
return IL_FALSE; // Skip extra byte for scaling
for (row_loop = 0; row_loop < length; row_loop++) {
if (iread(&post, 1, 1) != 1)
return IL_FALSE;
if (row_loop + topdelta < height)
iCurImage->Data[(row_loop+topdelta) * width + column_loop] = post;
}
iread(&post, 1, 1); // Skip extra scaling byte
}
iseek(pointer_position, IL_SEEK_SET);
}
// Converts palette entry 247 (cyan) to transparent.
if (ilGetBoolean(IL_CONV_PAL) == IL_TRUE) {
NewData = (ILubyte*)ialloc(iCurImage->SizeOfData * 4);
if (NewData == NULL) {
return IL_FALSE;
}
for (i = 0; i < iCurImage->SizeOfData; i++) {
NewData[i * 4] = iCurImage->Pal.Palette[iCurImage->Data[i]];
NewData[i * 4] = iCurImage->Pal.Palette[iCurImage->Data[i]];
NewData[i * 4] = iCurImage->Pal.Palette[iCurImage->Data[i]];
NewData[i * 4 + 3] = iCurImage->Data[i] != 247 ? 255 : 0;
}
if (!ilTexImage(iCurImage->Width, iCurImage->Height, iCurImage->Depth,
4, IL_RGBA, iCurImage->Type, NewData)) {
ifree(NewData);
return IL_FALSE;
}
iCurImage->Origin = IL_ORIGIN_UPPER_LEFT;
ifree(NewData);
}
ilFixImage();
return IL_TRUE;
}
// Internal function used to get the .bmp header from the current file.
ILboolean iGetBmpHead(BMPHEAD * const Header)
{
Header->bfType = GetLittleUShort();
Header->bfSize = GetLittleInt();
Header->bfReserved = GetLittleUInt();
Header->bfDataOff = GetLittleInt();
Header->biSize = GetLittleInt();
Header->biWidth = GetLittleInt();
Header->biHeight = GetLittleInt();
Header->biPlanes = GetLittleShort();
Header->biBitCount = GetLittleShort();
Header->biCompression = GetLittleInt();
Header->biSizeImage = GetLittleInt();
Header->biXPelsPerMeter = GetLittleInt();
Header->biYPelsPerMeter = GetLittleInt();
Header->biClrUsed = GetLittleInt();
Header->biClrImportant = GetLittleInt();
return IL_TRUE;
}
