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- moved texture code to 'common'.

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Christoph Oelckers 2020-04-11 19:04:48 +02:00
commit 580e463498
86 changed files with 218 additions and 177 deletions
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src/common/textures/formats/emptytexture.cpp Normal file
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/*
** emptytexture.cpp
** Texture class for empty placeholder textures
** (essentially patches with dimensions and offsets of (0,0) )
** These need special treatment because a texture size of 0 is illegal
**
**---------------------------------------------------------------------------
** Copyright 2009 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 "files.h"
#include "filesystem.h"
#include "image.h"
//==========================================================================
//
//
//
//==========================================================================
class FEmptyTexture : public FImageSource
{
public:
FEmptyTexture (int lumpnum);
TArray<uint8_t> CreatePalettedPixels(int conversion) override;
};
//==========================================================================
//
//
//
//==========================================================================
FImageSource *EmptyImage_TryCreate(FileReader & file, int lumpnum)
{
char check[8];
if (file.GetLength() != 8) return NULL;
file.Seek(0, FileReader::SeekSet);
if (file.Read(check, 8) != 8) return NULL;
if (memcmp(check, "\0\0\0\0\0\0\0\0", 8)) return NULL;
return new FEmptyTexture(lumpnum);
}
//==========================================================================
//
//
//
//==========================================================================
FEmptyTexture::FEmptyTexture (int lumpnum)
: FImageSource(lumpnum)
{
bMasked = true;
Width = Height = 1;
bUseGamePalette = true;
}
//==========================================================================
//
//
//
//==========================================================================
TArray<uint8_t> FEmptyTexture::CreatePalettedPixels(int conversion)
{
TArray<uint8_t> Pixel(1, true);
Pixel[0] = 0;
return Pixel;
}