Added functions to textLabel

merge-requests/1/head
marouault 4 years ago
parent 81fd8a410d
commit f63ea0a321

@ -2,11 +2,20 @@
#define TEXT_LABEL_INCLUDED
#include <SDL2/SDL.h>
#include <SDL2/SDL_ttf.h>
#include "engine/FontLoader.h"
typedef struct
{
char* text;
SDL_Rect textZone;
SDL_Color color;
SDL_Texture* texture;
}TextLabel;
#endif
TextLabel createTextLabel(const char text[], const SDL_Rect* rect, const SDL_Color* color);
void freeTextLabel(TextLabel* label);
void drawTextLabel(SDL_Renderer* renderer, TextLabel* label, TTF_Font* fontHandler);
#endif //TEXT_LABEL_INCLUDED

@ -0,0 +1,48 @@
#include "engine/TextLabel.h"
TextLabel createTextLabel(const char text[], const SDL_Rect* rect, const SDL_Color* color) {
TextLabel label = {
.textZone = *rect,
.color = *color,
.texture = NULL
};
label.text = (char*) malloc(sizeof(char)*strlen(text));
strcpy(label.text, text);
return label;
}
void freeTextLabel(TextLabel* label) {
free(label->text);
label->text = NULL;
if (label->texture != NULL) {
SDL_DestroyTexture(label->texture);
}
}
void drawTextLabel(SDL_Renderer* renderer, TextLabel* label, TTF_Font* font) {
if (label->texture == NULL) {
SDL_Surface* surface = TTF_RenderText_Solid(font, label->text, label->color);
if(surface == NULL)
{
fprintf(stderr, "WARNING: Can't write on TextLabel\n");
return;
}
label->texture = SDL_CreateTextureFromSurface(renderer, surface);
if(label->texture == NULL)
{
fprintf(stderr, "WARNING: Can't create texture from surface: %s\n", SDL_GetError());
return;
}
SDL_FreeSurface(surface);
}
SDL_RenderCopy(renderer, label->texture, NULL, &label->textZone);
}

@ -0,0 +1,118 @@
#include "engine/TextLabel.h"
#include "engine/FontLoader.h"
void testTextLabel() {
SDL_Window *window = NULL;
SDL_Renderer *renderer = NULL;
SDL_Texture* picture;
int statut = EXIT_FAILURE;
char* path = "rsrc/img/Lenna.png";
int i=0;
if(0 != SDL_Init(SDL_INIT_VIDEO))
{
fprintf(stderr, "Erreur SDL_INIT: %s\n", SDL_GetError());
goto Quit;
}
//fenetre
window = SDL_CreateWindow("Fenêtre", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 640,480, SDL_WINDOW_SHOWN);
if(window == NULL)
{
fprintf(stderr, "Erreur SDL_CreateWindow: %s\n", SDL_GetError());
goto Quit;
}
//rendu
renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
if(renderer == NULL)
{
fprintf(stderr, "Erreur SDL_CreateRenderer: %s\n", SDL_GetError());
goto Quit;
}
//Fonts
if(TTF_Init() == -1)
{
fprintf(stderr, "Erreur: TTF_Init: %s\n", TTF_GetError());
goto Quit;
}
if(0 != SDL_SetRenderDrawColor(renderer, 0,0,0,0)) //choisi la couleur avec laquelle travailler
{
fprintf(stderr, "Erreur SDL_SetRenderDrawColor: %s\n", SDL_GetError());
goto Quit;
}
if(0 != SDL_RenderClear(renderer)) //efface le rendu en le repeignant avec la couleur choisi
{
fprintf(stderr, "Erreur SDL_SetRenderDrawColor: %s\n", SDL_GetError());
goto Quit;
}
if(0 != SDL_SetRenderDrawColor(renderer, 255,255,255,255)) //choisi la couleur avec laquelle travailler
{
fprintf(stderr, "Erreur SDL_SetRenderDrawColor: %s\n", SDL_GetError());
goto Quit;
}
SDL_bool quit = SDL_FALSE;
SDL_Event event;
picture = createTextureFromPath(renderer, path);
FontHandler fontHandler = loadFonts();
// TextLabel
SDL_Rect size = {.x=10, .y=10, .w=90, .h=20};
SDL_Color color = {
0,0,0,0
};
TextLabel textLabel = createTextLabel("Salut", &size, &color);
SDL_RenderPresent(renderer);
while(!quit)
{
while(SDL_PollEvent(&event))
{
switch(event.type)
{
case SDL_QUIT:
quit = SDL_TRUE;
break;
case SDL_MOUSEBUTTONUP:
break;
}
}
SDL_RenderClear(renderer);
//SDL_RenderCopy(renderer, picture, NULL, NULL);
drawTextLabel(renderer, &textLabel, fontHandler.fonts[FONT_retro]);
SDL_RenderPresent(renderer);
SDL_Delay(500);
++i;
SDL_Delay(20);
}
Quit:
freeFonts(fontHandler);
freeTextLabel(&textLabel);
if(renderer != NULL)
SDL_DestroyRenderer(renderer);
if(window != NULL)
SDL_DestroyWindow(window);
TTF_Quit();
SDL_Quit();
}
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