56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
/* Copyright: (c) Kayne Ruse 2013-2016
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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*/
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#include "render_text_texture.hpp"
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#include <stdexcept>
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SDL_Texture* renderTextTexture(SDL_Renderer* const renderer, TTF_Font* font, SDL_Color color, std::string str) {
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//make the surface (from SDL_ttf)
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SDL_Surface* surface = TTF_RenderUTF8_Blended(font, str.c_str(), color);
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if (!surface) {
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throw(std::runtime_error("Failed to create a TTF surface"));
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}
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//convert to texture
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SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, surface);
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//cleanup
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SDL_FreeSurface(surface);
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//check
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if (!texture) {
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throw(std::runtime_error("Failed to create a TTF texture"));
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}
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//NOTE: free the texture yourself
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return texture;
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}
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void renderTextDirect(SDL_Renderer* const renderer, TTF_Font* font, SDL_Color color, std::string str, int x, int y) {
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int w = 0, h = 0;
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SDL_Texture* tmpTex = renderTextTexture(renderer, font, color, str);
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SDL_QueryTexture(tmpTex, nullptr, nullptr, &w, &h);
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SDL_Rect dclip = {x, y, w, h};
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SDL_RenderCopy(renderer, tmpTex, nullptr, &dclip);
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SDL_DestroyTexture(tmpTex);
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}
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