Kayne Ruse
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/* Copyright: (c) Kayne Ruse 2013
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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 "raster_font.hpp"
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void RasterFont::DrawStringTo(std::string s, SDL_Surface* const dest, Sint16 x, Sint16 y) {
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if (!surface) {
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return;
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}
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//character size won't change here
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const Sint16 w = surface->w/16;
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const Sint16 h = surface->h/16;
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SDL_Rect sclip, dclip = {x,y,0,0};
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for (auto c : s) {
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//TODO: inefficient
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sclip = {Sint16(c%w*w), Sint16(c/h*h), clip.w, clip.h};
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// sclip.x = c % w;
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// sclip.h = c / h;
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// sclip.w = clip.w;
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// sclip.h = clip.h;
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SDL_BlitSurface(surface, &sclip, dest, &dclip);
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dclip.x += w;
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}
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}
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SDL_Surface* RasterFont::SetSurface(SDL_Surface* p) {
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surface = p;
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if (!surface) {
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clip = {0, 0, 0, 0};
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}
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else {
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clip = {0, 0, Uint16(surface->w/16), Uint16(surface->h/16)};
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}
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return surface;
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}
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