handle line breaks in Font::DrawString

[l2e.git] / src / graphics / Font.cpp

diff --git a/src/graphics/Font.cpp b/src/graphics/Font.cpp
index be96a2c104b860f0e9dda819388c92c0fa206d81..94d451ae7a9f7d272cc706599c9ce4b5b774849d 100644 (file)
--- a/src/graphics/Font.cpp
+++ b/src/graphics/Font.cpp
@@ -29,16 +29,39 @@ void Font::DrawChar(char c, SDL_Surface *dest, const Vector<int> &position) cons
        sprite->Draw(dest, position, col, row);
 }
 
-void Font::DrawString(const char *s, SDL_Surface *dest, const Vector<int> &positionIn, int maxChars) const {
+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);
-       for (int i(0); s[i] && (maxChars <= 0 || i < maxChars); ++i, position += step) {
-               DrawChar(s[i], dest, position);
+       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;
 
@@ -76,6 +99,14 @@ void Font::DrawNumber(int numberIn, SDL_Surface *dest, const Vector<int> &positi
        }
 }
 
+void Font::DrawNumberRight(int number, SDL_Surface *dest, const Vector<int> &positionIn, int digits) const {
+       if (!sprite) return;
+
+       Vector<int> position(positionIn.X() - digits * CharWidth(), positionIn.Y());
+
+       DrawNumber(number, dest, position, digits);
+}
+
 
 void Font::CreateTypeDescription() {
        Font f;