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115 lines
3.5 KiB
C++
115 lines
3.5 KiB
C++
/*
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** imagetexture.cpp
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** Texture class based on FImageSource
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**
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**---------------------------------------------------------------------------
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** Copyright 2018 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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**
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*/
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#include "files.h"
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#include "filesystem.h"
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#include "templates.h"
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#include "bitmap.h"
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#include "image.h"
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#include "textures.h"
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//==========================================================================
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//
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//
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//
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//==========================================================================
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FImageTexture::FImageTexture(FImageSource *img) noexcept
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: FTexture(img? img->LumpNum() : 0)
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{
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mImage = img;
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if (img != nullptr)
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{
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SetFromImage();
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}
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}
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void FImageTexture::SetFromImage()
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{
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auto img = mImage;
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Width = img->GetWidth();
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Height = img->GetHeight();
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Masked = img->bMasked;
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bTranslucent = img->bTranslucent;
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}
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//===========================================================================
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//
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//
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//
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//===========================================================================
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FBitmap FImageTexture::GetBgraBitmap(const PalEntry *p, int *trans)
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{
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return mImage->GetCachedBitmap(p, bNoRemap0? FImageSource::noremap0 : FImageSource::normal, trans);
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}
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//===========================================================================
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//
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//
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//
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//===========================================================================
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TArray<uint8_t> FImageTexture::Get8BitPixels(bool alpha)
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{
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return mImage->GetPalettedPixels(alpha? alpha : bNoRemap0 ? FImageSource::noremap0 : FImageSource::normal);
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}
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//===========================================================================
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//
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// use the already known state of the underlying image to save time.
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//
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//===========================================================================
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bool FImageTexture::DetermineTranslucency()
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{
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if (mImage->bTranslucent != -1)
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{
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bTranslucent = mImage->bTranslucent;
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return !!bTranslucent;
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}
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else
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{
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return FTexture::DetermineTranslucency();
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}
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}
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FTexture* CreateImageTexture(FImageSource* img) noexcept
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{
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return new FImageTexture(img);
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}
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