[PDF] Move most of the headers to be private.

Compute font stats in SkPDFDocument in order to make more of the headers private.

Previous review: https://codereview.appspot.com/5865048/

Review URL: https://codereview.appspot.com/5868049

git-svn-id: http://skia.googlecode.com/svn/trunk@3457 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 54 insertions, 0 deletions

diff --git a/src/pdf/SkPDFUtils.h b/src/pdf/SkPDFUtils.h
new file mode 100644
index 0000000000..5b9d74e321
--- /dev/null
+++ b/src/pdf/SkPDFUtils.h
@@ -0,0 +1,54 @@
+
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#ifndef SkPDFUtils_DEFINED
+#define SkPDFUtils_DEFINED
+
+#include "SkPath.h"
+
+class SkMatrix;
+class SkPath;
+class SkPDFArray;
+struct SkRect;
+
+#if 0
+#define PRINT_NOT_IMPL(str) fprintf(stderr, str)
+#else
+#define PRINT_NOT_IMPL(str)
+#endif
+
+#define NOT_IMPLEMENTED(condition, assert)                         \
+    do {                                                           \
+        if (condition) {                                           \
+            PRINT_NOT_IMPL("NOT_IMPLEMENTED: " #condition "\n");   \
+            SkDEBUGCODE(SkASSERT(!assert);)                        \
+        }                                                          \
+    } while (0)
+
+class SkPDFUtils {
+public:
+    static SkPDFArray* MatrixToArray(const SkMatrix& matrix);
+    static void AppendTransform(const SkMatrix& matrix, SkWStream* content);
+
+    static void MoveTo(SkScalar x, SkScalar y, SkWStream* content);
+    static void AppendLine(SkScalar x, SkScalar y, SkWStream* content);
+    static void AppendCubic(SkScalar ctl1X, SkScalar ctl1Y,
+                            SkScalar ctl2X, SkScalar ctl2Y,
+                            SkScalar dstX, SkScalar dstY, SkWStream* content);
+    static void AppendRectangle(const SkRect& rect, SkWStream* content);
+    static void EmitPath(const SkPath& path, SkWStream* content);
+    static void ClosePath(SkWStream* content);
+    static void PaintPath(SkPaint::Style style, SkPath::FillType fill,
+                          SkWStream* content);
+    static void StrokePath(SkWStream* content);
+    static void DrawFormXObject(int objectIndex, SkWStream* content);
+    static void ApplyGraphicState(int objectIndex, SkWStream* content);
+};
+
+#endif