WriteMultiLineString added

write_string.go

@@ -1,5 +1,7 @@
 package buf2d
 
+import "strings"
+
 // WriteString writes a whole string to the buffer at position (x,y)
 // no word wrap is applied at all. If the string does not fit, it will be truncated
 func (b *Buffer) WriteString(str string, x, y int) {
@@ -13,6 +15,20 @@ func (b *Buffer) WriteString(str string, x, y int) {
 	}
 }
 
+// WriteMultiLineString writes a multi-line string to the buffer at position (x,y)
+// no word wrap is applied at all. If a line does not fit horizontally, it will be truncated
+// All lines which do not fit vertically will be truncated as well
+func (b *Buffer) WriteMultiLineString(str string, x, y int) {
+	lines := strings.Split(str, "\n")
+	for dy, line := range lines {
+		if dy >= b.height {
+			return
+		}
+
+		b.WriteString(line, x, y+dy)
+	}
+}
+
 // Fill fills the whole buffer with c
 func (b *Buffer) Fill(c rune) {
 	for _, col := range b.data {