Rename PPB_Font to PPB_BrowserFont_Trusted.

ppapi/cpp/trusted/browser_font_trusted.h

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PPAPI_CPP_TRUSTED_BROWSER_FONT_TRUSTED_H_
+#define PPAPI_CPP_TRUSTED_BROWSER_FONT_TRUSTED_H_
+
+#include <string>
+
+#include "ppapi/c/trusted/ppb_browser_font_trusted.h"
+#include "ppapi/cpp/resource.h"
+#include "ppapi/cpp/var.h"
+
+namespace pp {
+
+class ImageData;
+class Instance;
+class Point;
+class Rect;
+
+// BrowserFontDescription ------------------------------------------------------
+
+class BrowserFontDescription {
+ public:
+  BrowserFontDescription();
+  BrowserFontDescription(const BrowserFontDescription& other);
+  ~BrowserFontDescription();
+
+  BrowserFontDescription& operator=(const BrowserFontDescription& other);
+
+  const PP_BrowserFont_Trusted_Description& pp_font_description() const {
+    return pp_font_description_;
+  }
+
+  Var face() const { return face_; }
+  void set_face(const Var& face) {
+    face_ = face;
+    pp_font_description_.face = face_.pp_var();
+  }
+
+  PP_BrowserFont_Trusted_Family family() const {
+    return pp_font_description_.family;
+  }
+  void set_family(PP_BrowserFont_Trusted_Family f) {
+    pp_font_description_.family = f;
+  }
+
+  uint32_t size() const { return pp_font_description_.size; }
+  void set_size(uint32_t s) { pp_font_description_.size = s; }
+
+  PP_BrowserFont_Trusted_Weight weight() const {
+    return pp_font_description_.weight;
+  }
+  void set_weight(PP_BrowserFont_Trusted_Weight w) {
+    pp_font_description_.weight = w;
+  }
+
+  bool italic() const { return PP_ToBool(pp_font_description_.italic); }
+  void set_italic(bool i) { pp_font_description_.italic = PP_FromBool(i); }
+
+  bool small_caps() const {
+    return PP_ToBool(pp_font_description_.small_caps);
+  }
+  void set_small_caps(bool s) {
+    pp_font_description_.small_caps = PP_FromBool(s);
+  }
+
+  int letter_spacing() const { return pp_font_description_.letter_spacing; }
+  void set_letter_spacing(int s) { pp_font_description_.letter_spacing = s; }
+
+  int word_spacing() const { return pp_font_description_.word_spacing; }
+  void set_word_spacing(int w) { pp_font_description_.word_spacing = w; }
+
+ private:
+  friend class BrowserFont_Trusted;
+
+  Var face_;  // Manages memory for pp_font_description_.face
+  PP_BrowserFont_Trusted_Description pp_font_description_;
+};
+
+// BrowserFontTextRun ----------------------------------------------------------
+
+class BrowserFontTextRun {
+ public:
+  BrowserFontTextRun();
+  BrowserFontTextRun(const std::string& text,
+                     bool rtl = false,
+                     bool override_direction = false);
+  BrowserFontTextRun(const BrowserFontTextRun& other);
+  ~BrowserFontTextRun();
+
+  BrowserFontTextRun& operator=(const BrowserFontTextRun& other);
+
+  const PP_BrowserFont_Trusted_TextRun& pp_text_run() const {
+    return pp_text_run_;
+  }
+
+ private:
+  Var text_;  // Manages memory for the reference in pp_text_run_.
+  PP_BrowserFont_Trusted_TextRun pp_text_run_;
+};
+
+// BrowserFont_Trusted ---------------------------------------------------------
+
+// Provides access to system fonts.
+class BrowserFont_Trusted : public Resource {
+ public:
+  // Creates an is_null() Font object.
+  BrowserFont_Trusted();
+
+  explicit BrowserFont_Trusted(PP_Resource resource);
+  BrowserFont_Trusted(Instance* instance,
+                      const BrowserFontDescription& description);
+  BrowserFont_Trusted(const BrowserFont_Trusted& other);
+
+  BrowserFont_Trusted& operator=(const BrowserFont_Trusted& other);
+
+  // PPB_Font methods:
+  static Var GetFontFamilies(Instance* instance);
+  bool Describe(BrowserFontDescription* description,
+                PP_BrowserFont_Trusted_Metrics* metrics) const;
+  bool DrawTextAt(ImageData* dest,
+                  const BrowserFontTextRun& text,
+                  const Point& position,
+                  uint32_t color,
+                  const Rect& clip,
+                  bool image_data_is_opaque) const;
+  int32_t MeasureText(const BrowserFontTextRun& text) const;
+  uint32_t CharacterOffsetForPixel(const BrowserFontTextRun& text,
+                                   int32_t pixel_position) const;
+  int32_t PixelOffsetForCharacter(const BrowserFontTextRun& text,
+                                  uint32_t char_offset) const;
+
+  // Convenience function that assumes a left-to-right string with no clipping.
+  bool DrawSimpleText(ImageData* dest,
+                      const std::string& text,
+                      const Point& position,
+                      uint32_t color,
+                      bool image_data_is_opaque = false) const;
+
+  // Convenience function that assumes a left-to-right string.
+  int32_t MeasureSimpleText(const std::string& text) const;
+};
+
+}  // namespace pp
+
+#endif  // PPAPI_CPP_TRUSTED_BROWSER_FONT_TRUSTED_H_