export line counts
git-svn-id: http://skia.googlecode.com/svn/trunk@568 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/utils/SkTextBox.h b/include/utils/SkTextBox.h
index 2c34448..3471f5b 100644
--- a/include/utils/SkTextBox.h
+++ b/include/utils/SkTextBox.h
@@ -62,10 +62,18 @@
void draw(SkCanvas*, const char text[], size_t len, const SkPaint&);
+ void setText(const char text[], size_t len, const SkPaint&);
+ void draw(SkCanvas*);
+ int countLines() const;
+ SkScalar getTextHeight() const;
+
private:
SkRect fBox;
SkScalar fSpacingMul, fSpacingAdd;
uint8_t fMode, fSpacingAlign;
+ const char* fText;
+ size_t fLen;
+ const SkPaint* fPaint;
};
class SkTextLineBreaker {
diff --git a/src/views/SkTextBox.cpp b/src/views/SkTextBox.cpp
index 8bc82f3..df7de98 100644
--- a/src/views/SkTextBox.cpp
+++ b/src/views/SkTextBox.cpp
@@ -214,3 +214,24 @@
}
}
+///////////////////////////////////////////////////////////////////////////////
+
+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;
+}
+