add

git-svn-id: http://skia.googlecode.com/svn/trunk@492 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 177 insertions, 0 deletions

diff --git a/src/views/SkStaticTextView.cpp b/src/views/SkStaticTextView.cpp
new file mode 100644
index 0000000000..8fb8bc12a5
--- /dev/null
+++ b/src/views/SkStaticTextView.cpp
@@ -0,0 +1,177 @@
+#include "SkWidgetViews.h"
+#include "SkTextBox.h"
+
+#ifdef SK_DEBUG
+static void assert_no_attr(const SkDOM& dom, const SkDOM::Node* node, const char attr[])
+{
+    const char* value = dom.findAttr(node, attr);
+    if (value)
+        SkDebugf("unknown attribute %s=\"%s\"\n", attr, value);
+}
+#else
+    #define assert_no_attr(dom, node, attr)
+#endif
+
+SkStaticTextView::SkStaticTextView()
+{
+	fMargin.set(0, 0);
+	fMode = kFixedSize_Mode;
+	fSpacingAlign = SkTextBox::kStart_SpacingAlign;
+	
+//	init_skin_paint(kStaticText_SkinEnum, &fPaint);
+}
+
+SkStaticTextView::~SkStaticTextView()
+{
+}
+
+void SkStaticTextView::computeSize()
+{
+	if (fMode == kAutoWidth_Mode)
+	{
+		SkScalar width = fPaint.measureText(fText.c_str(), fText.size());
+		this->setWidth(width + fMargin.fX * 2);
+	}
+	else if (fMode == kAutoHeight_Mode)
+	{
+		SkScalar width = this->width() - fMargin.fX * 2;
+		int lines = width > 0 ? SkTextLineBreaker::CountLines(fText.c_str(), fText.size(), fPaint, width) : 0;
+
+		this->setHeight(lines * fPaint.getFontSpacing() + fMargin.fY * 2);
+	}
+}
+
+void SkStaticTextView::setMode(Mode mode)
+{
+	SkASSERT((unsigned)mode < kModeCount);
+
+	if (fMode != mode)
+	{
+		fMode = SkToU8(mode);
+		this->computeSize();
+	}
+}
+
+void SkStaticTextView::setSpacingAlign(SkTextBox::SpacingAlign align)
+{
+	fSpacingAlign = SkToU8(align);
+	this->inval(NULL);
+}
+
+void SkStaticTextView::getMargin(SkPoint* margin) const
+{
+	if (margin)
+		*margin = fMargin;
+}
+
+void SkStaticTextView::setMargin(SkScalar dx, SkScalar dy)
+{
+	if (fMargin.fX != dx || fMargin.fY != dy)
+	{
+		fMargin.set(dx, dy);
+		this->computeSize();
+		this->inval(NULL);
+	}
+}
+
+size_t SkStaticTextView::getText(SkString* text) const
+{
+	if (text)
+		*text = fText;
+	return fText.size();
+}
+
+size_t SkStaticTextView::getText(char text[]) const
+{
+	if (text)
+		memcpy(text, fText.c_str(), fText.size());
+	return fText.size();
+}
+
+void SkStaticTextView::setText(const SkString& text)
+{
+	this->setText(text.c_str(), text.size());
+}
+
+void SkStaticTextView::setText(const char text[])
+{
+	if (text == NULL)
+		text = "";
+	this->setText(text, strlen(text));
+}
+
+void SkStaticTextView::setText(const char text[], size_t len)
+{
+	if (!fText.equals(text, len))
+	{
+		fText.set(text, len);
+		this->computeSize();
+		this->inval(NULL);
+	}
+}
+
+void SkStaticTextView::getPaint(SkPaint* paint) const
+{
+	if (paint)
+		*paint = fPaint;
+}
+
+void SkStaticTextView::setPaint(const SkPaint& paint)
+{
+	if (fPaint != paint)
+	{
+		fPaint = paint;
+		this->computeSize();
+		this->inval(NULL);
+	}
+}
+
+void SkStaticTextView::onDraw(SkCanvas* canvas)
+{
+	this->INHERITED::onDraw(canvas);
+
+	if (fText.isEmpty())
+		return;
+
+	SkTextBox	box;
+
+	box.setMode(fMode == kAutoWidth_Mode ? SkTextBox::kOneLine_Mode : SkTextBox::kLineBreak_Mode);
+	box.setSpacingAlign(this->getSpacingAlign());
+	box.setBox(fMargin.fX, fMargin.fY, this->width() - fMargin.fX, this->height() - fMargin.fY);
+	box.draw(canvas, fText.c_str(), fText.size(), fPaint);
+}
+
+void SkStaticTextView::onInflate(const SkDOM& dom, const SkDOM::Node* node)
+{
+#if 0
+	this->INHERITED::onInflate(dom, node);
+
+	int	index;
+	if ((index = dom.findList(node, "mode", "fixed,auto-width,auto-height")) >= 0)
+		this->setMode((Mode)index);
+	else
+		assert_no_attr(dom, node, "mode");
+
+	if ((index = dom.findList(node, "spacing-align", "start,center,end")) >= 0)
+		this->setSpacingAlign((SkTextBox::SpacingAlign)index);
+	else
+		assert_no_attr(dom, node, "spacing-align");
+
+	SkScalar s[2];
+	if (dom.findScalars(node, "margin", s, 2))
+		this->setMargin(s[0], s[1]);
+	else
+		assert_no_attr(dom, node, "margin");
+
+	const char* text = dom.findAttr(node, "text");
+	if (text)
+		this->setText(text);
+
+	if ((node = dom.getFirstChild(node, "paint")) != NULL &&
+		(node = dom.getFirstChild(node, "screenplay")) != NULL)
+	{
+		inflate_paint(dom, node, &fPaint);
+	}
+#endif
+}
+