From d55cd8f3b44de42d9be09280634584b6424945f9 Mon Sep 17 00:00:00 2001
From: Johannes Schickel
Date: Mon, 9 Jun 2014 18:54:49 +0200
Subject: GRAPHICS: Allow to query the bounding box of chars/strings drawn with
 Font API.

---
 graphics/fonts/ttf.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'graphics/fonts/ttf.cpp')

diff --git a/graphics/fonts/ttf.cpp b/graphics/fonts/ttf.cpp
index 09a00672e3..4b63c6c60f 100644
--- a/graphics/fonts/ttf.cpp
+++ b/graphics/fonts/ttf.cpp
@@ -111,6 +111,8 @@ public:
 
 	virtual int getKerningOffset(uint32 left, uint32 right) const;
 
+	virtual Common::Rect getBoundingBox(uint32 chr) const;
+
 	virtual void drawChar(Surface *dst, uint32 chr, int x, int y, uint32 color) const;
 private:
 	bool _initialized;
@@ -309,6 +311,19 @@ int TTFFont::getKerningOffset(uint32 left, uint32 right) const {
 	return (kerningVector.x / 64);
 }
 
+Common::Rect TTFFont::getBoundingBox(uint32 chr) const {
+	assureCached(chr);
+	GlyphCache::const_iterator glyphEntry = _glyphs.find(chr);
+	if (glyphEntry == _glyphs.end()) {
+		return Common::Rect();
+	} else {
+		const int xOffset = glyphEntry->_value.xOffset;
+		const int yOffset = glyphEntry->_value.yOffset;
+		const Graphics::Surface &image = glyphEntry->_value.image;
+		return Common::Rect(xOffset, yOffset, xOffset + image.w, yOffset + image.h);
+	}
+}
+
 namespace {
 
 template<typename ColorType>
-- 
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