raze-gles/source/common/textures/imagetexture.cpp
Christoph Oelckers 197a5f642a - properly delete backing images in the texture manager.
Although the images themselves are automatically taken down, any memory they allocate is not - and some of the special tile classes do need dynamic storage.
2020-10-15 20:22:41 +02:00

120 lines
3.5 KiB
C++

/*
** imagetexture.cpp
** Texture class based on FImageSource
**
**---------------------------------------------------------------------------
** Copyright 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 "files.h"
#include "filesystem.h"
#include "templates.h"
#include "bitmap.h"
#include "image.h"
#include "textures.h"
//==========================================================================
//
//
//
//==========================================================================
FImageTexture::FImageTexture(FImageSource *img) noexcept
: FTexture(img? img->LumpNum() : 0)
{
mImage = img;
if (img != nullptr)
{
SetFromImage();
}
}
FImageTexture::~FImageTexture()
{
delete mImage;
}
void FImageTexture::SetFromImage()
{
auto img = mImage;
Width = img->GetWidth();
Height = img->GetHeight();
Masked = img->bMasked;
bTranslucent = img->bTranslucent;
}
//===========================================================================
//
//
//
//===========================================================================
FBitmap FImageTexture::GetBgraBitmap(const PalEntry *p, int *trans)
{
return mImage->GetCachedBitmap(p, bNoRemap0? FImageSource::noremap0 : FImageSource::normal, trans);
}
//===========================================================================
//
//
//
//===========================================================================
TArray<uint8_t> FImageTexture::Get8BitPixels(bool alpha)
{
return mImage->GetPalettedPixels(alpha? alpha : bNoRemap0 ? FImageSource::noremap0 : FImageSource::normal);
}
//===========================================================================
//
// use the already known state of the underlying image to save time.
//
//===========================================================================
bool FImageTexture::DetermineTranslucency()
{
if (mImage->bTranslucent != -1)
{
bTranslucent = mImage->bTranslucent;
return !!bTranslucent;
}
else
{
return FTexture::DetermineTranslucency();
}
}
FTexture* CreateImageTexture(FImageSource* img) noexcept
{
return new FImageTexture(img);
}