Move all text stuff to its own folder

BUG=skia:

Review URL: https://codereview.chromium.org/1521453002

1 files changed, 70 insertions, 0 deletions

diff --git a/src/gpu/text/GrTextUtils.h b/src/gpu/text/GrTextUtils.h
new file mode 100644
index 0000000000..8f673afbed
--- /dev/null
+++ b/src/gpu/text/GrTextUtils.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrTextUtils_DEFINED
+#define GrTextUtils_DEFINED
+
+#include "GrColor.h"
+#include "SkScalar.h"
+
+class GrAtlasTextBlob;
+class GrBatchFontCache;
+class GrBatchTextStrike;
+class GrClip;
+class GrContext;
+class GrDrawContext;
+class GrFontScaler;
+class SkGlyph;
+class SkMatrix;
+struct SkIRect;
+class SkPaint;
+struct SkPoint;
+class SkGlyphCache;
+class SkSurfaceProps;
+
+/*
+ * A class to house a bunch of common text utilities.  This class should *ONLY* have static
+ * functions.  It is not a namespace only because we wish to friend SkPaint
+ *
+ */
+class GrTextUtils {
+public:
+    // Functions for appending BMP text to GrAtlasTextBlob
+    static void DrawBmpText(GrAtlasTextBlob*, int runIndex,
+                            GrBatchFontCache*, SkGlyphCache*, const SkPaint&,
+                            GrColor, const SkMatrix& viewMatrix,
+                            const char text[], size_t byteLength,
+                            SkScalar x, SkScalar y);
+
+    static void DrawBmpPosText(GrAtlasTextBlob*, int runIndex,
+                               GrBatchFontCache*, SkGlyphCache*, const SkPaint&,
+                               GrColor, const SkMatrix& viewMatrix,
+                               const char text[], size_t byteLength,
+                               const SkScalar pos[], int scalarsPerPosition,
+                               const SkPoint& offset);
+
+    // Functions for drawing text as paths
+    static void DrawTextAsPath(GrContext*, GrDrawContext*, const GrClip& clip,
+                               const SkPaint& origPaint, const SkMatrix& viewMatrix,
+                               const char text[], size_t byteLength, SkScalar x, SkScalar y,
+                               const SkIRect& clipBounds);
+
+    static void DrawPosTextAsPath(GrContext* context,
+                                  GrDrawContext* dc,
+                                  const SkSurfaceProps& props,
+                                  const GrClip& clip,
+                                  const SkPaint& origPaint, const SkMatrix& viewMatrix,
+                                  const char text[], size_t byteLength,
+                                  const SkScalar pos[], int scalarsPerPosition,
+                                  const SkPoint& offset, const SkIRect& clipBounds);
+private:
+    static void BmpAppendGlyph(GrAtlasTextBlob*, int runIndex, GrBatchFontCache*,
+                               GrBatchTextStrike**, const SkGlyph&, int left, int top,
+                               GrColor color, GrFontScaler*);
+};
+
+#endif