Kayne Ruse
86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
/* Copyright: (c) Kayne Ruse 2013
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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*/
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#include "surface_manager.hpp"
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#include <stdexcept>
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SurfaceManager::~SurfaceManager() noexcept {
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FreeAll();
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}
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SDL_Surface* SurfaceManager::Load(std::string key, std::string fname) {
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MapType::iterator it = surfaceMap.find(key);
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if (it != surfaceMap.end()) {
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throw(std::runtime_error(std::string("Surface already loaded: ") + key + std::string(", ") + fname));
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}
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return LoadSurface(key, fname);
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}
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SDL_Surface* SurfaceManager::Reload(std::string key, std::string fname) {
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MapType::iterator it = surfaceMap.find(key);
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if (it != surfaceMap.end()) {
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SDL_FreeSurface(it->second);
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surfaceMap.erase(it);
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}
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return LoadSurface(key, fname);
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}
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SDL_Surface* SurfaceManager::Get(std::string key) {
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MapType::iterator it = surfaceMap.find(key);
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if (it == surfaceMap.end()) {
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throw(std::runtime_error(std::string("Could not find key: ") + key));
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}
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return it->second;
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}
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SDL_Surface* SurfaceManager::Set(std::string key, SDL_Surface* ptr) {
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MapType::iterator it = surfaceMap.find(key);
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if (it != surfaceMap.end()) {
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throw(std::runtime_error(std::string("Key already exists: ") + key));
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}
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return surfaceMap[key] = ptr;
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}
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void SurfaceManager::Free(std::string key) {
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MapType::iterator it = surfaceMap.find(key);
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if (it != surfaceMap.end()) {
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SDL_FreeSurface(it->second);
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surfaceMap.erase(it);
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}
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}
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void SurfaceManager::FreeAll() {
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for (auto it : surfaceMap) {
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SDL_FreeSurface(it.second);
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}
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surfaceMap.clear();
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}
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SDL_Surface* SurfaceManager::LoadSurface(std::string key, std::string fname) {
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SDL_Surface* ptr = SDL_LoadBMP(fname.c_str());
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if (!ptr) {
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throw(std::runtime_error(std::string("Failed to load file: ") + fname));
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}
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SDL_SetColorKey(ptr, SDL_SRCCOLORKEY, SDL_MapRGB(ptr->format, 255, 0, 255)); //default
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return surfaceMap[key] = ptr;
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}
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