eliminada la dependencia de sdl2_image

This commit is contained in:
2024-08-21 17:41:37 +02:00
parent 33e1c82396
commit dca521d148
5 changed files with 7957 additions and 36 deletions

5
.vscode/settings.json vendored Normal file
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@@ -0,0 +1,5 @@
{
"files.associations": {
"iostream": "cpp"
}
}

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@@ -2,4 +2,4 @@ source := source/*.cpp
executable_name := pelota executable_name := pelota
windows: windows:
g++ $(source) -lmingw32 -lws2_32 -lSDL2main -lSDL2 -lSDL2_image -o $(executable_name).exe g++ $(source) -lmingw32 -lws2_32 -lSDL2main -lSDL2 -o $(executable_name).exe

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@@ -1,5 +1,4 @@
#include <SDL2/SDL.h> #include <SDL2/SDL.h>
#include <SDL2/SDL_image.h>
#include "texture.h" #include "texture.h"
#include "ball.h" #include "ball.h"
#include "defines.h" #include "defines.h"
@@ -98,14 +97,7 @@ bool init()
// Initialize renderer color // Initialize renderer color
SDL_SetRenderDrawColor(renderer, 0xFF, 0xFF, 0xFF, 0xFF); SDL_SetRenderDrawColor(renderer, 0xFF, 0xFF, 0xFF, 0xFF);
// Initialize PNG loading // Establece el tamaño del renderizador
int imgFlags = IMG_INIT_PNG;
if (!(IMG_Init(imgFlags) & imgFlags))
{
printf("SDL_image could not initialize! SDL_image Error: %s\n", IMG_GetError());
success = false;
}
SDL_RenderSetLogicalSize(renderer, SCREEN_WIDTH, SCREEN_HEIGHT); SDL_RenderSetLogicalSize(renderer, SCREEN_WIDTH, SCREEN_HEIGHT);
} }
} }
@@ -144,7 +136,6 @@ void close()
deleteBalls(); deleteBalls();
// Quit SDL subsystems // Quit SDL subsystems
IMG_Quit();
SDL_Quit(); SDL_Quit();
} }

7897
source/stb_image.h Normal file

File diff suppressed because it is too large Load Diff

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@@ -1,12 +1,13 @@
#include <SDL2/SDL_image.h>
#include <stdio.h> #include <stdio.h>
#include <string> #include <string>
#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"
#include "texture.h" #include "texture.h"
Texture::Texture(SDL_Renderer *renderer) Texture::Texture(SDL_Renderer *renderer)
{ {
this->renderer = renderer; this->renderer = renderer;
texture = NULL; texture = nullptr;
width = 0; width = 0;
height = 0; height = 0;
} }
@@ -14,7 +15,7 @@ Texture::Texture(SDL_Renderer *renderer)
Texture::Texture(SDL_Renderer *renderer, std::string filepath) Texture::Texture(SDL_Renderer *renderer, std::string filepath)
{ {
this->renderer = renderer; this->renderer = renderer;
texture = NULL; texture = nullptr;
width = 0; width = 0;
height = 0; height = 0;
loadFromFile(filepath); loadFromFile(filepath);
@@ -27,52 +28,79 @@ Texture::~Texture()
bool Texture::loadFromFile(std::string path) bool Texture::loadFromFile(std::string path)
{ {
// Get rid of preexisting texture const std::string filename = path.substr(path.find_last_of("\\/") + 1);
free(); int req_format = STBI_rgb_alpha;
int width, height, orig_format;
// The final texture unsigned char *data = stbi_load(path.c_str(), &width, &height, &orig_format, req_format);
SDL_Texture *newTexture = NULL; if (data == nullptr)
// Load image at specified path
SDL_Surface *loadedSurface = IMG_Load(path.c_str());
if (loadedSurface == NULL)
{ {
printf("Unable to load image %s! SDL_image Error: %s\n", path.c_str(), IMG_GetError()); SDL_Log("Loading image failed: %s", stbi_failure_reason());
exit(1);
} }
else else
{ {
// Color key image std::cout << "Image loaded: " << filename.c_str() << std::endl;
SDL_SetColorKey(loadedSurface, SDL_TRUE, SDL_MapRGB(loadedSurface->format, 0, 0xFF, 0xFF)); }
// Create texture from surface pixels int depth, pitch;
Uint32 pixel_format;
if (req_format == STBI_rgb)
{
depth = 24;
pitch = 3 * width; // 3 bytes por pixel * pixels por linea
pixel_format = SDL_PIXELFORMAT_RGB24;
}
else
{ // STBI_rgb_alpha (RGBA)
depth = 32;
pitch = 4 * width;
pixel_format = SDL_PIXELFORMAT_RGBA32;
}
// Limpia
free();
// La textura final
SDL_Texture *newTexture = nullptr;
// Carga la imagen desde una ruta específica
SDL_Surface *loadedSurface = SDL_CreateRGBSurfaceWithFormatFrom((void *)data, width, height, depth, pitch, pixel_format);
if (loadedSurface == nullptr)
{
std::cout << "Unable to load image " << path.c_str() << std::endl;
}
else
{
// Crea la textura desde los pixels de la surface
newTexture = SDL_CreateTextureFromSurface(renderer, loadedSurface); newTexture = SDL_CreateTextureFromSurface(renderer, loadedSurface);
if (newTexture == NULL) if (newTexture == nullptr)
{ {
printf("Unable to create texture from %s! SDL Error: %s\n", path.c_str(), SDL_GetError()); std::cout << "Unable to create texture from " << path.c_str() << "! SDL Error: " << SDL_GetError() << std::endl;
} }
else else
{ {
// Get image dimensions // Obtiene las dimensiones de la imagen
width = loadedSurface->w; this->width = loadedSurface->w;
height = loadedSurface->h; this->height = loadedSurface->h;
} }
// Get rid of old loaded surface // Elimina la textura cargada
SDL_FreeSurface(loadedSurface); SDL_FreeSurface(loadedSurface);
} }
// Return success // Return success
stbi_image_free(data);
texture = newTexture; texture = newTexture;
return texture != NULL; return texture != nullptr;
} }
void Texture::free() void Texture::free()
{ {
// Free texture if it exists // Free texture if it exists
if (texture != NULL) if (texture != nullptr)
{ {
SDL_DestroyTexture(texture); SDL_DestroyTexture(texture);
texture = NULL; texture = nullptr;
width = 0; width = 0;
height = 0; height = 0;
} }