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ModuleTextures.cpp
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ModuleTextures.cpp
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#include "Globals.h"
#include "Application.h"
#include "ModuleRender.h"
#include "ModuleTextures.h"
#include "SDL/include/SDL.h"
#include "SDL_image/include/SDL_image.h"
#pragma comment( lib, "SDL_image/lib/x86/SDL2_image.lib" )
using namespace std;
ModuleTextures::ModuleTextures()
{
textures = list<SDL_Texture*>();
}
// Destructor
ModuleTextures::~ModuleTextures()
{
IMG_Quit();
}
// Called before render is available
bool ModuleTextures::Start()
{
LOG("Init Image library");
bool ret = true;
// load support for the PNG image format
int flags = IMG_INIT_PNG;
int init = IMG_Init(flags);
if((init & flags) != flags)
{
LOG("Could not initialize Image lib. IMG_Init: %s", IMG_GetError());
ret = false;
}
return ret;
}
// Called before quitting
bool ModuleTextures::Stop()
{
LOG("Freeing textures and Image library");
for (list<SDL_Texture*>::iterator it = textures.begin(); it != textures.end(); ++it){
SDL_DestroyTexture(*it);
RELEASE(*it);
}
textures.clear();
return true;
}
// Load new texture from file path
SDL_Texture* const ModuleTextures::Load(const char* path)
{
SDL_Texture* texture = nullptr;
SDL_Surface* surface = IMG_Load(path);
if(surface == nullptr)
{
LOG("Could not load surface with path: %s. IMG_Load: %s", path, IMG_GetError());
}
else
{
texture = SDL_CreateTextureFromSurface(App->renderer->renderer, surface);
if(texture == nullptr)
{
LOG("Unable to create texture from surface! SDL Error: %s\n", SDL_GetError());
}
else
{
textures.push_back(texture);
}
SDL_FreeSurface(surface);
}
return texture;
}
// Free texture from memory
void ModuleTextures::Unload(SDL_Texture* texture)
{
for(list<SDL_Texture*>::iterator it = textures.begin(); it != textures.end(); ++it)
{
if(*it == texture)
{
SDL_DestroyTexture(*it);
textures.erase(it);
break;
}
}
}