Marc
84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
#include <SDL2/SDL_error.h>
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#include <unistd.h>
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#include "renderer.h"
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#include "scaller.h"
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#include "text.h"
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#include <SDL2/SDL_log.h>
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#define FONT_CACHE_SIZE 100
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#define MAX_TEXT_SIZE 100
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typedef struct FontCacheObject {
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char* file;
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int size;
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TTF_Font* font;
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} FontCacheObject_t;
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static FontCacheObject_t fontCache[FONT_CACHE_SIZE];
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static unsigned fontCacheSize = 0;
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void text_freeFontCache(void){
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for(unsigned i = 0; i < fontCacheSize; ++i){
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free(fontCache[i].file);
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TTF_CloseFont(fontCache[i].font);
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}
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fontCacheSize = 0;
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}
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int text_renderText(RenderObject_t* renderObject, float x, float y, int z, float scale, SDL_Color color, const char* fontFilename, int fontSize, char* format, ...){
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if(access(fontFilename, F_OK) != 0) {
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fprintf(stderr, "Font file not found: %s\n", fontFilename);
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return -1;
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}
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TTF_Font* font = NULL;
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for(unsigned i = 0; i < fontCacheSize; ++i){
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if(strcmp(fontCache[i].file, fontFilename) && fontCache[i].size == fontSize){
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font = fontCache[i].font;
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break;
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}
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}
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if(font == NULL) {
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font = TTF_OpenFont(fontFilename, fontSize);
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if(font == NULL) {
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SDL_LogError(SDL_LOG_PRIORITY_ERROR, "TTF_OpenFont");
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fprintf(stderr, "Error while opening font: %s\n", SDL_GetError());
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return -1;
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}
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FontCacheObject_t fontCacheObject;
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fontCacheObject.file = (char*)malloc(strlen(fontFilename) + 1);
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strcpy(fontCacheObject.file, fontFilename);
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fontCacheObject.size = fontSize;
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fontCacheObject.font = font;
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fontCache[fontCacheSize] = fontCacheObject;
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++fontCacheSize;
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}
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char text[MAX_TEXT_SIZE];
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va_list args;
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memset(&text, '\0', sizeof(text));
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va_start(args, format);
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vsprintf(text, format, args);
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va_end(args);
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SDL_Surface* surface = TTF_RenderText_Blended(font, text, color);
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int h, w;
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TTF_SizeText(font, text, &w, &h);
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MonitorSize_t monitor = renderer_getMonitorSize();
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renderObject->x = x;
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renderObject->y = y;
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renderObject->z = z;
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renderObject->angle_degre = 0;
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renderObject->surface = surface;
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scaller(surface, scale, &renderObject->width, &renderObject->height);
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placer(renderObject->surface, scale, &renderObject->x, &renderObject->y);
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return 0;
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}
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