mirror of
https://github.com/FunKey-Project/RetroFE.git
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95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
/* This file is part of RetroFE.
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*
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* RetroFE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RetroFE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RetroFE. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Image.h"
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#include "../ViewInfo.h"
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#include "../../SDL.h"
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#include "../../Utility/Log.h"
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#include <SDL2/SDL_image.h>
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Image::Image(std::string file, std::string altFile, Page &p)
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: Component(p)
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, texture_(NULL)
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, file_(file)
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, altFile_(altFile)
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{
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allocateGraphicsMemory();
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}
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Image::~Image()
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{
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freeGraphicsMemory();
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}
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void Image::freeGraphicsMemory()
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{
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Component::freeGraphicsMemory();
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SDL_LockMutex(SDL::getMutex());
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if (texture_ != NULL)
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{
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SDL_DestroyTexture(texture_);
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texture_ = NULL;
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}
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SDL_UnlockMutex(SDL::getMutex());
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}
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void Image::allocateGraphicsMemory()
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{
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int width;
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int height;
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if(!texture_)
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{
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SDL_LockMutex(SDL::getMutex());
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texture_ = IMG_LoadTexture(SDL::getRenderer(), file_.c_str());
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if (!texture_ && altFile_ != "")
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{
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texture_ = IMG_LoadTexture(SDL::getRenderer(), altFile_.c_str());
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}
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if (texture_ != NULL)
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{
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SDL_SetTextureBlendMode(texture_, SDL_BLENDMODE_BLEND);
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SDL_QueryTexture(texture_, NULL, NULL, &width, &height);
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baseViewInfo.ImageWidth = width;
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baseViewInfo.ImageHeight = height;
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}
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SDL_UnlockMutex(SDL::getMutex());
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}
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Component::allocateGraphicsMemory();
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}
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void Image::draw()
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{
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Component::draw();
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if(texture_)
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{
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SDL_Rect rect;
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rect.x = static_cast<int>(baseViewInfo.XRelativeToOrigin());
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rect.y = static_cast<int>(baseViewInfo.YRelativeToOrigin());
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rect.h = static_cast<int>(baseViewInfo.ScaledHeight());
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rect.w = static_cast<int>(baseViewInfo.ScaledWidth());
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SDL::renderCopy(texture_, baseViewInfo.Alpha, NULL, &rect, baseViewInfo, page.getScaleX(), page.getScaleY());
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}
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}
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