+int Font::StringWidth(const char *s) const {
+ int width(0), col(0);
+ for (int i(0); s[i]; ++i) {
+ if (s[i] == '\n') {
+ if (width < col) {
+ width = col;
+ }
+ col = 0;
+ } else {
+ ++col;
+ }
+ }
+ return (width < col ? col : width) * CharWidth();
+}
+
+int Font::StringHeight(const char *s) const {
+ if (*s == '\0') {
+ return 0;
+ }
+ int height(1);
+ for (; *s; ++s) {
+ if (*s == '\n') {
+ ++height;
+ }
+ }
+ return height * CharHeight();
+}
+
+
+void Font::DrawChar(char c, SDL_Surface *dest, const Vector<int> &position) const {
+ if (!sprite) return;
+
+ int col(colOffset + (c % 0x10));
+ int row(rowOffset + (c / 0x10));
+ sprite->Draw(dest, position, col, row);
+}
+
+void Font::DrawString(const char *s, SDL_Surface *dest, const Vector<int> &positionIn, int maxWidth) const {
+ if (!sprite) return;
+
+ Vector<int> position(positionIn);
+ Vector<int> lineHead(positionIn);
+ Vector<int> step(CharWidth(), 0);
+ Vector<int> lineBreak(0, CharHeight());
+ for (int i(0), col(0); s[i] && (maxWidth <= 0 || col < maxWidth); ++i) {
+ if (s[i] == '\n') {
+ lineHead += lineBreak;
+ position = lineHead;
+ col = 0;
+ } else {
+ DrawChar(s[i], dest, position);
+ position += step;
+ ++col;
+ }
+ }
+}
+
+void Font::DrawStringRight(const char *s, SDL_Surface *dest, const Vector<int> &positionIn, int maxWidth) const {
+ // NOTE: this does not handle line breaks
+ if (!sprite) return;
+
+ int length(0);
+ while (length < maxWidth && s[length] != '\0') {
+ ++length;
+ }
+ Vector<int> position(positionIn.X() - length * CharWidth(), positionIn.Y());
+
+ DrawString(s, dest, position, length);
+}
+
+void Font::DrawDigit(int digit, SDL_Surface *dest, const Vector<int> &position) const {
+ if (!sprite) return;
+
+ DrawChar(digit + 0x30, dest, position);