export line counts

git-svn-id: http://skia.googlecode.com/svn/trunk@568 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 21 insertions, 0 deletions

diff --git a/src/views/SkTextBox.cpp b/src/views/SkTextBox.cpp
index 8bc82f3843..df7de986fa 100644
--- a/src/views/SkTextBox.cpp
+++ b/src/views/SkTextBox.cpp
@@ -214,3 +214,24 @@ void SkTextBox::draw(SkCanvas* canvas, const char text[], size_t len, const SkPa
     } 
 }
 
+///////////////////////////////////////////////////////////////////////////////
+
+void SkTextBox::setText(const char text[], size_t len, const SkPaint& paint) {
+    fText = text;
+    fLen = len;
+    fPaint = &paint;
+}
+
+void SkTextBox::draw(SkCanvas* canvas) {
+    this->draw(canvas, fText, fLen, *fPaint);
+}
+
+int SkTextBox::countLines() const {
+    return SkTextLineBreaker::CountLines(fText, fLen, *fPaint, fBox.width());
+}
+
+SkScalar SkTextBox::getTextHeight() const {
+    SkScalar spacing = SkScalarMul(fPaint->getTextSize(), fSpacingMul) + fSpacingAdd;
+    return this->countLines() * spacing;
+}
+