mirror of
https://github.com/FunKey-Project/RetroFE.git
synced 2025-12-13 02:08:52 +01:00
90 lines
2.4 KiB
C++
90 lines
2.4 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, float scaleX, float scaleY)
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: Texture(NULL)
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, File(file)
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, ScaleX(scaleX)
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, ScaleY(scaleY)
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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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Component::AllocateGraphicsMemory();
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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 != 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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GetBaseViewInfo()->SetImageWidth(width * ScaleX);
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GetBaseViewInfo()->SetImageHeight(height * ScaleY);
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}
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SDL_UnlockMutex(SDL::GetMutex());
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}
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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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ViewInfo *info = GetBaseViewInfo();
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SDL_Rect rect;
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rect.x = static_cast<int>(info->GetXRelativeToOrigin());
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rect.y = static_cast<int>(info->GetYRelativeToOrigin());
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rect.h = static_cast<int>(info->GetHeight());
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rect.w = static_cast<int>(info->GetWidth());
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SDL::RenderCopy(Texture, static_cast<char>((info->GetAlpha() * 255)), NULL, &rect, info->GetAngle());
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}
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}
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