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Issue #419: Make font:getWidth(str) account for newlines.

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This commit is contained in:
vrld
2012-07-05 16:15:38 +02:00
parent 85fa71c519
commit 12f714bf74
1 changed files with 27 additions and 18 deletions
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src/modules/graphics/opengl/Font.cpp
+27 -18
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@@ -234,36 +234,45 @@ void Font::print(char character, float x, float y)
} }
} }
int Font::getWidth(const std::string &line) int Font::getWidth(const std::string &str)
{ {
if (line.size() == 0) return 0; if (str.size() == 0) return 0;
int temp = 0;
std::istringstream iss(str);
std::string line;
Glyph *g; Glyph *g;
int max_width = 0;
try while (getline(iss, line, '\n'))
{ {
utf8::iterator<std::string::const_iterator> i(line.begin(), line.begin(), line.end()); int width = 0;
utf8::iterator<std::string::const_iterator> end(line.end(), line.begin(), line.end()); try
while (i != end)
{ {
int c = *i++; utf8::iterator<std::string::const_iterator> i(line.begin(), line.begin(), line.end());
g = glyphs[c]; utf8::iterator<std::string::const_iterator> end(line.end(), line.begin(), line.end());
if (!g) g = addGlyph(c); while (i != end)
temp += static_cast<int>(g->spacing * mSpacing); {
int c = *i++;
g = glyphs[c];
if (!g) g = addGlyph(c);
width += static_cast<int>(g->spacing * mSpacing);
}
} }
} catch(utf8::exception &e)
catch(utf8::exception &e) {
{ throw love::Exception("%s", e.what());
throw love::Exception("%s", e.what()); }
if (width > max_width)
max_width = width;
} }
return temp; return max_width;
} }
int Font::getWidth(const char *line) int Font::getWidth(const char *str)
{ {
return this->getWidth(std::string(line)); return this->getWidth(std::string(str));
} }
int Font::getWidth(const char character) int Font::getWidth(const char character)