Split out GrBitmapTextContext from GrTextContext.
This is a stepping stone to having a variety of different text context types
(bitmaps, distance fields, NV path rendering).
R=bsalomon@google.com
Review URL: https://codereview.chromium.org/27199002
git-svn-id: http://skia.googlecode.com/svn/trunk@11820 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/gpu/GrBitmapTextContext.h b/include/gpu/GrBitmapTextContext.h
new file mode 100755
index 0000000..89672a8
--- /dev/null
+++ b/include/gpu/GrBitmapTextContext.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrBitmapTextContext_DEFINED
+#define GrBitmapTextContext_DEFINED
+
+#include "GrTextContext.h"
+
+class GrTextStrike;
+
+/*
+ * This class implements GrTextContext using standard bitmap fonts
+ */
+class GrBitmapTextContext : public GrTextContext {
+public:
+ GrBitmapTextContext(GrContext*, const GrPaint&);
+ virtual ~GrBitmapTextContext();
+
+ virtual void drawPackedGlyph(GrGlyph::PackedID, GrFixed left, GrFixed top,
+ GrFontScaler*) SK_OVERRIDE;
+
+private:
+ GrContext::AutoMatrix fAutoMatrix;
+ GrTextStrike* fStrike;
+
+ void flushGlyphs(); // automatically called by destructor
+
+ enum {
+ kMinRequestedGlyphs = 1,
+ kDefaultRequestedGlyphs = 64,
+ kMinRequestedVerts = kMinRequestedGlyphs * 4,
+ kDefaultRequestedVerts = kDefaultRequestedGlyphs * 4,
+ };
+
+ SkPoint* fVertices;
+ int32_t fMaxVertices;
+ GrTexture* fCurrTexture;
+ int fCurrVertex;
+};
+
+#endif