viz1090/Text.cpp

73 lines
1.7 KiB
C++

#include "SDL2/SDL2_gfxPrimitives.h"
#include "Text.h"
SDL_Rect Text::drawString(std::string text, int x, int y, TTF_Font *font, SDL_Color color)
{
SDL_Rect dest = {0,0,0,0};
if(!text.length()) {
return dest;
}
SDL_Surface *surface;
surface = TTF_RenderUTF8_Solid(font, text.c_str(), color);
if (surface == NULL)
{
printf("Couldn't create String %s: %s\n", text.c_str(), SDL_GetError());
return dest;
}
dest.x = x;
dest.y = y;
dest.w = surface->w;
dest.h = surface->h;
SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer, surface);
SDL_RenderCopy(renderer, texture, NULL, &dest);
SDL_DestroyTexture(texture);
SDL_FreeSurface(surface);
return dest;
}
SDL_Rect Text::drawStringBG(std::string text, int x, int y, TTF_Font *font, SDL_Color color, SDL_Color bgColor) {
SDL_Rect dest = {0,0,0,0};
if(!text.length()) {
return dest;
}
SDL_Surface *surface;
surface = TTF_RenderUTF8_Shaded(font, text.c_str(), color, bgColor);
if (surface == NULL)
{
printf("Couldn't create String %s: %s\n", text.c_str(), SDL_GetError());
return dest;
}
dest.x = x;
dest.y = y;
dest.w = surface->w;
dest.h = surface->h;
SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer, surface);
SDL_RenderCopy(renderer, texture, NULL, &dest);
SDL_DestroyTexture(texture);
SDL_FreeSurface(surface);
return dest;
}
// check if text has changed and surface exists
// redraw existing surface
// or make new surface
// for BG, draw bg size of surface
// draw surface