118 lines
2.9 KiB
C++
118 lines
2.9 KiB
C++
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#include "font.h"
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#include "main.h"
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#include "utils.h"
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#include "unicode.h"
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static Uint16 *convBuf = NULL;
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static size_t bufSize = 0;
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static Uint16 *strToUint16(const std::wstring &text)
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{
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const wchar_t *str = text.c_str();
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if ((! str) || (sizeof(wchar_t) == sizeof(Uint16)))
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return (Uint16*)str;
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else {
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size_t len = wcslen(str);
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if (! convBuf) {
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size_t sz = len * 2 + 1;
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convBuf = (Uint16*)malloc(sizeof(Uint16) * sz);
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bufSize = sz;
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} else
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if (bufSize < len + 1) {
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size_t sz = len * 2 + 1;
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convBuf = (Uint16*)realloc(convBuf, sizeof(Uint16) * sz);
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// I should check if it is NULL, but I'm too lazy today
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bufSize = sz;
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}
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for (unsigned int i = 0; i <= len; i++)
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convBuf[i] = (Uint16)str[i];
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return convBuf;
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}
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}
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Font::Font(const std::wstring &name, int ptsize)
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{
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int size;
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data = resources->getRef(name, size);
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if (! data)
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throw Exception(name + L" not found");
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SDL_RWops *op = SDL_RWFromMem(data, size);
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font = TTF_OpenFontRW(op, 1, ptsize);
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if (! font)
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throw Exception(L"Error loading font " + name);
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}
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Font::~Font()
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{
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TTF_CloseFont(font);
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resources->delRef(data);
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}
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void Font::draw(SDL_Surface *s, int x, int y, int r, int g, int b,
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bool shadow, const std::wstring &text)
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{
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if (text.length() < 1)
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return;
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Uint16 *str = strToUint16(text);
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if (shadow) {
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SDL_Color color = { 1, 1, 1, 1 };
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SDL_Surface *surface = TTF_RenderUNICODE_Blended(font, str, color);
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SDL_Rect src = { 0, 0, surface->w, surface->h };
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SDL_Rect dst = { x+1, y+1, surface->w, surface->h };
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SDL_BlitSurface(surface, &src, s, &dst);
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SDL_FreeSurface(surface);
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}
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SDL_Color color = { r, g, b, 0 };
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SDL_Surface *surface = TTF_RenderUNICODE_Blended(font, str, color);
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SDL_Rect src = { 0, 0, surface->w, surface->h };
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SDL_Rect dst = { x, y, surface->w, surface->h };
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SDL_BlitSurface(surface, &src, s, &dst);
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SDL_FreeSurface(surface);
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}
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void Font::draw(int x, int y, int r, int g, int b, bool shadow,
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const std::wstring &text)
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{
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draw(screen.getSurface(), x, y, r,g,b, shadow, text);
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}
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int Font::getWidth(const std::wstring &text)
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{
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int w, h;
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Uint16 *str = strToUint16(text);
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TTF_SizeUNICODE(font, str, &w, &h);
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return w;
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}
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int Font::getWidth(wchar_t ch)
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{
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int minx, maxx, miny, maxy, advance;
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TTF_GlyphMetrics(font, (Uint16)ch, &minx, &maxx, &miny, &maxy, &advance);
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return advance;
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}
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int Font::getHeight(const std::wstring &text)
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{
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int w, h;
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Uint16 *str = strToUint16(text);
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TTF_SizeUNICODE(font, str, &w, &h);
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return h;
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}
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void Font::getSize(const std::wstring &text, int &width, int &height)
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{
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Uint16 *str = strToUint16(text);
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TTF_SizeUNICODE(font, str, &width, &height);
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}
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