mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-11-11 07:11:39 +00:00
95 lines
3.1 KiB
C++
95 lines
3.1 KiB
C++
/*
|
|
** texture.cpp
|
|
** The base texture class
|
|
**
|
|
**---------------------------------------------------------------------------
|
|
** Copyright 2004-2007 Randy Heit
|
|
** Copyright 2006-2018 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 "memarena.h"
|
|
#include "bitmap.h"
|
|
#include "image.h"
|
|
#include "files.h"
|
|
#include "filesystem.h"
|
|
#include "imagehelpers.h"
|
|
|
|
int FImageSource::NextID;
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
typedef FImageSource * (*CreateFunc)(FileReader & file);
|
|
|
|
struct TexCreateInfo
|
|
{
|
|
CreateFunc TryCreate;
|
|
};
|
|
|
|
FImageSource *PNGImage_TryCreate(FileReader &);
|
|
FImageSource *JPEGImage_TryCreate(FileReader &);
|
|
FImageSource *DDSImage_TryCreate(FileReader &);
|
|
FImageSource *PCXImage_TryCreate(FileReader &);
|
|
FImageSource *TGAImage_TryCreate(FileReader &);
|
|
FImageSource *ArtImage_TryCreate(FileReader &);
|
|
FImageSource *StbImage_TryCreate(FileReader &);
|
|
|
|
|
|
// Examines the lump contents to decide what type of texture to create,
|
|
// and creates the texture.
|
|
FImageSource * FImageSource::GetImage(const char *name)
|
|
{
|
|
static TexCreateInfo CreateInfo[] = {
|
|
{ PNGImage_TryCreate },
|
|
{ JPEGImage_TryCreate },
|
|
{ DDSImage_TryCreate },
|
|
{ PCXImage_TryCreate },
|
|
{ StbImage_TryCreate },
|
|
{ ArtImage_TryCreate },
|
|
{ nullptr }
|
|
};
|
|
|
|
auto data = fileSystem.OpenFileReader(name);
|
|
if (!data.isOpen()) return nullptr;
|
|
|
|
for (size_t i = 0; CreateInfo[i].TryCreate; i++)
|
|
{
|
|
auto image = CreateInfo[i].TryCreate(data);
|
|
if (image != nullptr)
|
|
{
|
|
image->Name = name;
|
|
return image;
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|