mirror of
https://github.com/FunKey-Project/RetroFE.git
synced 2025-12-14 02:38:54 +01:00
76 lines
1.8 KiB
C++
76 lines
1.8 KiB
C++
/* This file is subject to the terms and conditions defined in
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* file 'LICENSE.txt', which is part of this source code package.
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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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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->GetTransparency() * 255)), NULL, &rect, info->GetAngle());
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}
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}
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