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//-----------------------------------------------------------------------------
//
// ImageLib Sources
// Copyright (C) 2000-2008 by Denton Woods
// Last modified: 10/10/2006
//
// Filename: src-IL/src/il_cut.c
//
// Description: Reads a Dr. Halo .cut file
//
//-----------------------------------------------------------------------------
#include "il_internal.h"
#ifndef IL_NO_CUT
#include "il_pal.h"
#include "il_bits.h"
// Wrap it just in case...
#ifdef _MSC_VER
#pragma pack(push, packed_struct, 1)
#endif
typedef struct CUT_HEAD
{
ILushort Width;
ILushort Height;
ILint Dummy;
} IL_PACKSTRUCT CUT_HEAD;
#ifdef _MSC_VER
#pragma pack(pop, packed_struct)
#endif
ILboolean iLoadCutInternal();
//! Reads a .cut file
ILboolean ilLoadCut(ILconst_string FileName)
{
ILHANDLE CutFile;
ILboolean bCut = IL_FALSE;
CutFile = iopenr(FileName);
if (CutFile == NULL) {
ilSetError(IL_COULD_NOT_OPEN_FILE);
return bCut;
}
bCut = ilLoadCutF(CutFile);
icloser(CutFile);
return bCut;
}
//! Reads an already-opened .cut file
ILboolean ilLoadCutF(ILHANDLE File)
{
ILuint FirstPos;
ILboolean bRet;
iSetInputFile(File);
FirstPos = itell();
bRet = iLoadCutInternal();
iseek(FirstPos, IL_SEEK_SET);
return bRet;
}
//! Reads from a memory "lump" that contains a .cut
ILboolean ilLoadCutL(const void *Lump, ILuint Size)
{
iSetInputLump(Lump, Size);
return iLoadCutInternal();
}
// 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();
}
/* ?????????
void ilPopToast() {
ILstring flipCode = IL_TEXT("#flipCode and www.flipCode.com rule you all.");
flipCode[0] = flipCode[0];
}
*/
#endif//IL_NO_CUT
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