mirror of
https://github.com/ZDoom/qzdoom.git
synced 2024-11-24 13:01:47 +00:00
- Added support for PCX textures (1, 4, 8 and 24 bit variants.)
SVN r303 (trunk)
This commit is contained in:
parent
e3c5dd4644
commit
5c7eeed018
7 changed files with 490 additions and 24 deletions
|
@ -1,3 +1,5 @@
|
|||
August 21, 2006 (Changes by Graf Zahl)
|
||||
- Added support for PCX textures (1, 4, 8 and 24 bit variants.)
|
||||
|
||||
August 20, 2006 (Changes by Graf Zahl)
|
||||
- Changed: Patch and IMGZ textures now initialize their dimensions upon creation.
|
||||
|
|
79
src/r_data.h
79
src/r_data.h
|
@ -288,6 +288,28 @@ protected:
|
|||
};
|
||||
|
||||
// A TGA texture
|
||||
|
||||
#pragma pack(1)
|
||||
|
||||
struct TGAHeader
|
||||
{
|
||||
BYTE id_len;
|
||||
BYTE has_cm;
|
||||
BYTE img_type;
|
||||
SWORD cm_first;
|
||||
SWORD cm_length;
|
||||
BYTE cm_size;
|
||||
|
||||
SWORD x_origin;
|
||||
SWORD y_origin;
|
||||
SWORD width;
|
||||
SWORD height;
|
||||
BYTE bpp;
|
||||
BYTE img_desc;
|
||||
};
|
||||
|
||||
#pragma pack()
|
||||
|
||||
struct TGAHeader;
|
||||
|
||||
class FTGATexture : public FTexture
|
||||
|
@ -314,6 +336,63 @@ protected:
|
|||
friend class FTexture;
|
||||
};
|
||||
|
||||
// A PCX texture
|
||||
|
||||
#pragma pack(1)
|
||||
|
||||
struct PCXHeader
|
||||
{
|
||||
BYTE manufacturer;
|
||||
BYTE version;
|
||||
BYTE encoding;
|
||||
BYTE bitsPerPixel;
|
||||
|
||||
WORD xmin, ymin;
|
||||
WORD xmax, ymax;
|
||||
WORD horzRes, vertRes;
|
||||
|
||||
BYTE palette[48];
|
||||
BYTE reserved;
|
||||
BYTE numColorPlanes;
|
||||
|
||||
WORD bytesPerScanLine;
|
||||
WORD paletteType;
|
||||
WORD horzSize, vertSize;
|
||||
|
||||
BYTE padding[54];
|
||||
|
||||
};
|
||||
#pragma pack()
|
||||
|
||||
class FPCXTexture : public FTexture
|
||||
{
|
||||
public:
|
||||
~FPCXTexture ();
|
||||
|
||||
const BYTE *GetColumn (unsigned int column, const Span **spans_out);
|
||||
const BYTE *GetPixels ();
|
||||
void Unload ();
|
||||
|
||||
protected:
|
||||
int SourceLump;
|
||||
BYTE *Pixels;
|
||||
Span DummySpans[2];
|
||||
|
||||
static bool Check(FileReader & file);
|
||||
static FTexture *Create(FileReader & file, int lumpnum);
|
||||
FPCXTexture (int lumpnum, PCXHeader &);
|
||||
void ReadPCX1bit (BYTE *dst, FileReader & lump, PCXHeader *hdr);
|
||||
void ReadPCX4bits (BYTE *dst, FileReader & lump, PCXHeader *hdr);
|
||||
void ReadPCX8bits (BYTE *dst, FileReader & lump, PCXHeader *hdr);
|
||||
void ReadPCX24bits (BYTE *dst, FileReader & lump, PCXHeader *hdr, int planes);
|
||||
|
||||
virtual void MakeTexture ();
|
||||
|
||||
friend class FTexture;
|
||||
};
|
||||
|
||||
|
||||
|
||||
// A texture that returns a wiggly version of another texture.
|
||||
class FWarpTexture : public FTexture
|
||||
{
|
||||
|
|
402
src/textures/pcxtexture.cpp
Normal file
402
src/textures/pcxtexture.cpp
Normal file
|
@ -0,0 +1,402 @@
|
|||
/*
|
||||
** pcxtexture.cpp
|
||||
** Texture class for PCX images
|
||||
**
|
||||
**---------------------------------------------------------------------------
|
||||
** Copyright 2005 David HENRY
|
||||
** Copyright 2006 Christoph Oelckers
|
||||
** All rights reserved.
|
||||
**
|
||||
** Redistribution and use in source and binary forms, with or without
|
||||
** modification, are permitted provided that the following conditions
|
||||
** are met:
|
||||
**
|
||||
** 1. Redistributions of source code must retain the above copyright
|
||||
** notice, this list of conditions and the following disclaimer.
|
||||
** 2. Redistributions in binary form must reproduce the above copyright
|
||||
** notice, this list of conditions and the following disclaimer in the
|
||||
** documentation and/or other materials provided with the distribution.
|
||||
** 3. The name of the author may not be used to endorse or promote products
|
||||
** derived from this software without specific prior written permission.
|
||||
**
|
||||
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
**---------------------------------------------------------------------------
|
||||
**
|
||||
**
|
||||
*/
|
||||
|
||||
#include "doomtype.h"
|
||||
#include "files.h"
|
||||
#include "r_local.h"
|
||||
#include "w_wad.h"
|
||||
#include "templates.h"
|
||||
|
||||
|
||||
bool FPCXTexture::Check(FileReader & file)
|
||||
{
|
||||
PCXHeader hdr;
|
||||
|
||||
file.Seek(0, SEEK_SET);
|
||||
file.Read(&hdr, sizeof(hdr));
|
||||
|
||||
#ifdef WORDS_BIGENDIAN
|
||||
hdr.xmin = LittleShort(hdr.xmin);
|
||||
hdr.xmax = LittleShort(hdr.xmax);
|
||||
hdr.bytesPerScanLine = LittleShort(hdr.bytesPerScanLine);
|
||||
#endif
|
||||
|
||||
if (hdr.manufacturer != 10 || hdr.encoding != 1) return false;
|
||||
if (hdr.version != 0 && hdr.version != 2 && hdr.version != 3 && hdr.version != 4 && hdr.version != 5) return false;
|
||||
if (hdr.bitsPerPixel != 1 && hdr.bitsPerPixel != 8) return false;
|
||||
if (hdr.bitsPerPixel == 1 && hdr.numColorPlanes !=1 && hdr.numColorPlanes != 4) return false;
|
||||
if (hdr.bitsPerPixel == 8 && hdr.bytesPerScanLine != ((hdr.xmax - hdr.xmin + 2)&~1)) return false;
|
||||
|
||||
for (int i = 0; i < 54; i++)
|
||||
{
|
||||
if (hdr.padding[i] != 0) return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
FTexture * FPCXTexture::Create(FileReader & file, int lumpnum)
|
||||
{
|
||||
PCXHeader hdr;
|
||||
|
||||
file.Seek(0, SEEK_SET);
|
||||
file.Read(&hdr, sizeof(hdr));
|
||||
|
||||
return new FPCXTexture(lumpnum, hdr);
|
||||
}
|
||||
|
||||
FPCXTexture::FPCXTexture(int lumpnum, PCXHeader & hdr)
|
||||
: SourceLump(lumpnum), Pixels(0)
|
||||
{
|
||||
Wads.GetLumpName (Name, lumpnum);
|
||||
Name[8] = 0;
|
||||
bMasked = false;
|
||||
Width = LittleShort(hdr.xmax) - LittleShort(hdr.xmin) + 1;
|
||||
Height = LittleShort(hdr.ymax) - LittleShort(hdr.ymin) + 1;
|
||||
CalcBitSize();
|
||||
|
||||
DummySpans[0].TopOffset = 0;
|
||||
DummySpans[0].Length = Height;
|
||||
DummySpans[1].TopOffset = 0;
|
||||
DummySpans[1].Length = 0;
|
||||
}
|
||||
|
||||
FPCXTexture::~FPCXTexture ()
|
||||
{
|
||||
Unload ();
|
||||
}
|
||||
|
||||
|
||||
void FPCXTexture::Unload ()
|
||||
{
|
||||
if (Pixels != NULL)
|
||||
{
|
||||
delete[] Pixels;
|
||||
Pixels = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
const BYTE *FPCXTexture::GetColumn (unsigned int column, const Span **spans_out)
|
||||
{
|
||||
if (Pixels == NULL)
|
||||
{
|
||||
MakeTexture ();
|
||||
}
|
||||
if ((unsigned)column >= (unsigned)Width)
|
||||
{
|
||||
if (WidthMask + 1 == Width)
|
||||
{
|
||||
column &= WidthMask;
|
||||
}
|
||||
else
|
||||
{
|
||||
column %= Width;
|
||||
}
|
||||
}
|
||||
if (spans_out != NULL)
|
||||
{
|
||||
*spans_out = DummySpans;
|
||||
}
|
||||
return Pixels + column*Height;
|
||||
}
|
||||
|
||||
const BYTE *FPCXTexture::GetPixels ()
|
||||
{
|
||||
if (Pixels == NULL)
|
||||
{
|
||||
MakeTexture ();
|
||||
}
|
||||
return Pixels;
|
||||
}
|
||||
|
||||
void FPCXTexture::ReadPCX1bit (BYTE *dst, FileReader & lump, PCXHeader *hdr)
|
||||
{
|
||||
int y, i, bytes;
|
||||
int rle_count = 0;
|
||||
BYTE rle_value = 0;
|
||||
|
||||
BYTE * srcp = new BYTE[lump.GetLength() - sizeof(PCXHeader)];
|
||||
lump.Read(srcp, lump.GetLength() - sizeof(PCXHeader));
|
||||
BYTE * src = srcp;
|
||||
|
||||
for (y = 0; y < Height; ++y)
|
||||
{
|
||||
BYTE * ptr = &dst[y * Width];
|
||||
|
||||
bytes = hdr->bytesPerScanLine;
|
||||
|
||||
while (bytes--)
|
||||
{
|
||||
if (rle_count == 0)
|
||||
{
|
||||
if ( (rle_value = *src++) < 0xc0)
|
||||
{
|
||||
rle_count = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
rle_count = rle_value - 0xc0;
|
||||
rle_value = *src++;
|
||||
}
|
||||
}
|
||||
|
||||
rle_count--;
|
||||
|
||||
for (i = 7; i >= 0; --i, ptr ++)
|
||||
{
|
||||
*ptr = ((rle_value & (1 << i)) > 0);
|
||||
}
|
||||
}
|
||||
}
|
||||
delete [] srcp;
|
||||
}
|
||||
|
||||
|
||||
void FPCXTexture::ReadPCX4bits (BYTE *dst, FileReader & lump, PCXHeader *hdr)
|
||||
{
|
||||
int rle_count = 0, rle_value = 0;
|
||||
int x, y, c;
|
||||
int bytes;
|
||||
BYTE * line = new BYTE[hdr->bytesPerScanLine];
|
||||
BYTE * colorIndex = new BYTE[Width];
|
||||
|
||||
BYTE * srcp = new BYTE[lump.GetLength() - sizeof(PCXHeader)];
|
||||
lump.Read(srcp, lump.GetLength() - sizeof(PCXHeader));
|
||||
BYTE * src = srcp;
|
||||
|
||||
for (y = 0; y < Height; ++y)
|
||||
{
|
||||
BYTE * ptr = &dst[y * Width];
|
||||
memset (ptr, 0, Width * sizeof (BYTE));
|
||||
|
||||
for (c = 0; c < 4; ++c)
|
||||
{
|
||||
BYTE * pLine = line;
|
||||
|
||||
bytes = hdr->bytesPerScanLine;
|
||||
|
||||
while (bytes--)
|
||||
{
|
||||
if (rle_count == 0)
|
||||
{
|
||||
if ( (rle_value = *src++) < 0xc0)
|
||||
{
|
||||
rle_count = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
rle_count = rle_value - 0xc0;
|
||||
rle_value = *src++;
|
||||
}
|
||||
}
|
||||
|
||||
rle_count--;
|
||||
*(pLine++) = rle_value;
|
||||
}
|
||||
|
||||
/* compute line's color indexes */
|
||||
for (x = 0; x < Width; ++x)
|
||||
{
|
||||
if (line[x / 8] & (128 >> (x % 8)))
|
||||
ptr[x] += (1 << c);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* release memory */
|
||||
delete [] colorIndex;
|
||||
delete [] line;
|
||||
delete [] srcp;
|
||||
}
|
||||
|
||||
|
||||
void FPCXTexture::ReadPCX8bits (BYTE *dst, FileReader & lump, PCXHeader *hdr)
|
||||
{
|
||||
int rle_count = 0, rle_value = 0;
|
||||
int y, bytes;
|
||||
|
||||
BYTE * srcp = new BYTE[lump.GetLength() - sizeof(PCXHeader)];
|
||||
lump.Read(srcp, lump.GetLength() - sizeof(PCXHeader));
|
||||
BYTE * src = srcp;
|
||||
|
||||
for (y = 0; y < Height; ++y)
|
||||
{
|
||||
BYTE * ptr = &dst[y * Width];
|
||||
|
||||
bytes = hdr->bytesPerScanLine;
|
||||
while (bytes--)
|
||||
{
|
||||
if (rle_count == 0)
|
||||
{
|
||||
if( (rle_value = *src++) < 0xc0)
|
||||
{
|
||||
rle_count = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
rle_count = rle_value - 0xc0;
|
||||
rle_value = *src++;
|
||||
}
|
||||
}
|
||||
|
||||
rle_count--;
|
||||
*ptr++ = rle_value;
|
||||
}
|
||||
}
|
||||
delete [] srcp;
|
||||
}
|
||||
|
||||
|
||||
void FPCXTexture::ReadPCX24bits (BYTE *dst, FileReader & lump, PCXHeader *hdr, int planes)
|
||||
{
|
||||
int rle_count = 0, rle_value = 0;
|
||||
int y, c;
|
||||
int bytes;
|
||||
|
||||
BYTE * srcp = new BYTE[lump.GetLength() - sizeof(PCXHeader)];
|
||||
lump.Read(srcp, lump.GetLength() - sizeof(PCXHeader));
|
||||
BYTE * src = srcp;
|
||||
|
||||
for (y = 0; y < Height; ++y)
|
||||
{
|
||||
/* for each color plane */
|
||||
for (c = 0; c < planes; ++c)
|
||||
{
|
||||
BYTE * ptr = &dst[y * Width * planes];
|
||||
bytes = hdr->bytesPerScanLine;
|
||||
|
||||
while (bytes--)
|
||||
{
|
||||
if (rle_count == 0)
|
||||
{
|
||||
if( (rle_value = *src++) < 0xc0)
|
||||
{
|
||||
rle_count = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
rle_count = rle_value - 0xc0;
|
||||
rle_value = *src++;
|
||||
}
|
||||
}
|
||||
|
||||
rle_count--;
|
||||
ptr[c] = (BYTE)rle_value;
|
||||
ptr += planes;
|
||||
}
|
||||
}
|
||||
}
|
||||
delete [] srcp;
|
||||
}
|
||||
|
||||
void FPCXTexture::MakeTexture()
|
||||
{
|
||||
BYTE PaletteMap[256];
|
||||
PCXHeader header;
|
||||
int bitcount;
|
||||
|
||||
FWadLump lump = Wads.OpenLumpNum(SourceLump);
|
||||
|
||||
lump.Read(&header, sizeof(header));
|
||||
|
||||
bitcount = header.bitsPerPixel * header.numColorPlanes;
|
||||
Pixels = new BYTE[Width*Height];
|
||||
|
||||
if (bitcount < 24)
|
||||
{
|
||||
if (bitcount < 8)
|
||||
{
|
||||
for (int i=0;i<16;i++)
|
||||
{
|
||||
PaletteMap[i] = ColorMatcher.Pick(header.palette[i*3],header.palette[i*3+1],header.palette[i*3+2]);
|
||||
}
|
||||
|
||||
switch (bitcount)
|
||||
{
|
||||
default:
|
||||
case 1:
|
||||
ReadPCX1bit (Pixels, lump, &header);
|
||||
break;
|
||||
|
||||
case 4:
|
||||
ReadPCX4bits (Pixels, lump, &header);
|
||||
break;
|
||||
}
|
||||
}
|
||||
else if (bitcount == 8)
|
||||
{
|
||||
BYTE c;
|
||||
lump.Seek(-769, SEEK_END);
|
||||
lump >> c;
|
||||
if (c !=0x0c) memcpy(PaletteMap, GrayMap, 256); // Fallback for files without palette
|
||||
else for(int i=0;i<256;i++)
|
||||
{
|
||||
BYTE r,g,b;
|
||||
lump >> r >> g >> b;
|
||||
PaletteMap[i] = ColorMatcher.Pick(r,g,b);
|
||||
}
|
||||
lump.Seek(sizeof(header), SEEK_SET);
|
||||
ReadPCX8bits (Pixels, lump, &header);
|
||||
}
|
||||
if (Width == Height)
|
||||
{
|
||||
FlipSquareBlockRemap(Pixels, Width, Height, PaletteMap);
|
||||
}
|
||||
else
|
||||
{
|
||||
BYTE *newpix = new BYTE[Width*Height];
|
||||
FlipNonSquareBlockRemap (newpix, Pixels, Width, Height, PaletteMap);
|
||||
BYTE *oldpix = Pixels;
|
||||
Pixels = newpix;
|
||||
delete[] oldpix;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
BYTE * buffer = new BYTE[Width*Height * 3];
|
||||
BYTE * row = buffer;
|
||||
ReadPCX24bits (buffer, lump, &header, 3);
|
||||
for(int y=0; y<Height; y++)
|
||||
{
|
||||
for(int x=0; x < Width; x++)
|
||||
{
|
||||
Pixels[y+Height*x] = RGB32k[row[0]>>3][row[1]>>3][row[2]>>3];
|
||||
row+=3;
|
||||
}
|
||||
}
|
||||
delete [] buffer;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
** pmgtexture.cpp
|
||||
** pngtexture.cpp
|
||||
** Texture class for PNG images
|
||||
**
|
||||
**---------------------------------------------------------------------------
|
||||
|
|
|
@ -68,6 +68,7 @@ FTexture * FTexture::CreateTexture (int lumpnum, int usetype)
|
|||
{ FPNGTexture::Check, FPNGTexture::Create, FTexture::TEX_Any },
|
||||
{ FJPEGTexture::Check, FJPEGTexture::Create, FTexture::TEX_Any },
|
||||
{ FTGATexture::Check, FTGATexture::Create, FTexture::TEX_Any },
|
||||
{ FPCXTexture::Check, FPCXTexture::Create, FTexture::TEX_Any },
|
||||
{ FRawPageTexture::Check, FRawPageTexture::Create, FTexture::TEX_MiscPatch },
|
||||
{ FFlatTexture::Check, FFlatTexture::Create, FTexture::TEX_Flat },
|
||||
{ FPatchTexture::Check, FPatchTexture::Create, FTexture::TEX_Any },
|
||||
|
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
** pmgtexture.cpp
|
||||
** tgatexture.cpp
|
||||
** Texture class for TGA images
|
||||
**
|
||||
**---------------------------------------------------------------------------
|
||||
|
@ -40,28 +40,6 @@
|
|||
#include "templates.h"
|
||||
|
||||
|
||||
|
||||
#pragma pack(1)
|
||||
|
||||
struct TGAHeader
|
||||
{
|
||||
BYTE id_len;
|
||||
BYTE has_cm;
|
||||
BYTE img_type;
|
||||
SWORD cm_first;
|
||||
SWORD cm_length;
|
||||
BYTE cm_size;
|
||||
|
||||
SWORD x_origin;
|
||||
SWORD y_origin;
|
||||
SWORD width;
|
||||
SWORD height;
|
||||
BYTE bpp;
|
||||
BYTE img_desc;
|
||||
};
|
||||
|
||||
#pragma pack()
|
||||
|
||||
bool FTGATexture::Check(FileReader & data)
|
||||
{
|
||||
|
||||
|
|
|
@ -4369,6 +4369,10 @@
|
|||
RelativePath=".\src\textures\patchtexture.cpp"
|
||||
>
|
||||
</File>
|
||||
<File
|
||||
RelativePath=".\src\textures\pcxtexture.cpp"
|
||||
>
|
||||
</File>
|
||||
<File
|
||||
RelativePath=".\src\textures\pngtexture.cpp"
|
||||
>
|
||||
|
|
Loading…
Reference in a new issue