Remove (almost all of) //sky/engine/web

sky/engine/public/web/WebFont.h

-/*
- * Copyright (C) 2010 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef SKY_ENGINE_PUBLIC_WEB_WEBFONT_H_
-#define SKY_ENGINE_PUBLIC_WEB_WEBFONT_H_
-
-#include "../platform/WebCanvas.h"
-#include "../platform/WebColor.h"
-#include "../platform/WebCommon.h"
-
-namespace blink {
-
-struct WebFontDescription;
-struct WebFloatPoint;
-struct WebFloatRect;
-struct WebPoint;
-struct WebRect;
-struct WebTextRun;
-
-class WebFont {
-public:
-    virtual ~WebFont() { }
-
-    BLINK_EXPORT static WebFont* create(const WebFontDescription&);
-
-    virtual WebFontDescription fontDescription() const = 0;
-
-    virtual int ascent() const = 0;
-    virtual int descent() const = 0;
-    virtual int height() const = 0;
-    virtual int lineSpacing() const = 0;
-    virtual float xHeight() const = 0;
-
-    // Draws the text run to the given canvas. The text is positioned at the
-    // given left-hand point at the baseline.
-    //
-    // The text will be clipped to the given clip rect. |canvasIsOpaque| is
-    // used to control whether subpixel antialiasing is possible. If there is a
-    // possibility the area drawn could be semi-transparent, subpixel
-    // antialiasing will be disabled.
-    //
-    // |from| and |to| allow the caller to specify a subrange of the given text
-    // run to draw. If |to| is -1, the entire run will be drawn.
-    virtual void drawText(WebCanvas*, const WebTextRun&, const WebFloatPoint& leftBaseline, WebColor,
-                          const WebRect& clip, bool canvasIsOpaque,
-                          int from = 0, int to = -1) const = 0;
-
-    // Measures the width in pixels of the given text run.
-    virtual int calculateWidth(const WebTextRun&) const = 0;
-
-    // Returns the character offset corresponding to the given horizontal pixel
-    // position as measured from from the left of the run.
-    virtual int offsetForPosition(const WebTextRun&, float position) const = 0;
-
-    // Returns the rectangle representing the selection rect for the subrange
-    // |from| -> |to| of the given text run. You can use -1 for |to| to specify
-    // the entire run (this will do something similar to calling width()).
-    //
-    // The rect will be positioned as if the text was drawn at the given
-    // |leftBaseline| position. |height| indicates the height of the selection
-    // rect you want, typically this will just be the height() of this font.
-    //
-    // To get the pixel offset of some character (the opposite of
-    // offsetForPosition()), pass in a |leftBaseline| = (0, 0), |from| = 0, and
-    // |to| = the character you want. The right edge of the resulting selection
-    // rect will tell you the right side of the character.
-    virtual WebFloatRect selectionRectForText(const WebTextRun&, const WebFloatPoint& leftBaseline,
-                                              int height, int from = 0, int to = -1) const = 0;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_PUBLIC_WEB_WEBFONT_H_