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Unified Diff: skia/ext/platform_device.h

Issue 2011713003: Roll skia to 8cc209111876b7c78b5ec577c9221d8ed5e21024 (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 7 months ago
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Index: skia/ext/platform_device.h
diff --git a/skia/ext/platform_device.h b/skia/ext/platform_device.h
deleted file mode 100644
index 464652de92c165945eca7a621e4bcfaa5802a8e1..0000000000000000000000000000000000000000
--- a/skia/ext/platform_device.h
+++ /dev/null
@@ -1,150 +0,0 @@
-// Copyright (c) 2012 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 SKIA_EXT_PLATFORM_DEVICE_H_
-#define SKIA_EXT_PLATFORM_DEVICE_H_
-
-#include "build/build_config.h"
-
-#if defined(OS_WIN)
-#include <windows.h>
-#include <vector>
-#endif
-
-#include "third_party/skia/include/core/SkColor.h"
-#include "third_party/skia/include/core/SkBitmapDevice.h"
-#include "third_party/skia/include/core/SkPreConfig.h"
-
-class SkMatrix;
-class SkMetaData;
-class SkPath;
-class SkRegion;
-
-#if defined(OS_MACOSX)
-typedef struct CGContext* CGContextRef;
-typedef struct CGRect CGRect;
-#endif
-
-namespace skia {
-
-class PlatformDevice;
-
-#if defined(OS_WIN)
-typedef HDC PlatformSurface;
-typedef RECT PlatformRect;
-#elif defined(OS_MACOSX)
-typedef CGContextRef PlatformSurface;
-typedef CGRect PlatformRect;
-#else
-typedef void* PlatformSurface;
-typedef SkIRect* PlatformRect;
-#endif
-
-// The following routines provide accessor points for the functionality
-// exported by the various PlatformDevice ports.
-// All calls to PlatformDevice::* should be routed through these
-// helper functions.
-
-// Bind a PlatformDevice instance, |platform_device| to |device|. Subsequent
-// calls to the functions exported below will forward the request to the
-// corresponding method on the bound PlatformDevice instance. If no
-// PlatformDevice has been bound to the SkBaseDevice passed, then the
-// routines are NOPS.
-SK_API void SetPlatformDevice(SkBaseDevice* device,
- PlatformDevice* platform_device);
-SK_API PlatformDevice* GetPlatformDevice(SkBaseDevice* device);
-
-
-#if defined(OS_WIN)
-// Initializes the default settings and colors in a device context.
-SK_API void InitializeDC(HDC context);
-#elif defined(OS_MACOSX)
-// Returns the CGContext that backing the SkBaseDevice. Forwards to the bound
-// PlatformDevice. Returns NULL if no PlatformDevice is bound.
-SK_API CGContextRef GetBitmapContext(SkBaseDevice* device);
-#endif
-
-// Following routines are used in print preview workflow to mark the draft mode
-// metafile and preview metafile.
-SK_API SkMetaData& getMetaData(const SkCanvas& canvas);
-SK_API void SetIsDraftMode(const SkCanvas& canvas, bool draft_mode);
-SK_API bool IsDraftMode(const SkCanvas& canvas);
-
-#if defined(OS_MACOSX) || defined(OS_WIN)
-SK_API void SetIsPreviewMetafile(const SkCanvas& canvas, bool is_preview);
-SK_API bool IsPreviewMetafile(const SkCanvas& canvas);
-#endif
-
-// A SkBitmapDevice is basically a wrapper around SkBitmap that provides a
-// surface for SkCanvas to draw into. PlatformDevice provides a surface
-// Windows can also write to. It also provides functionality to play well
-// with GDI drawing functions. This class is abstract and must be subclassed.
-// It provides the basic interface to implement it either with or without
-// a bitmap backend.
-//
-// PlatformDevice provides an interface which sub-classes of SkBaseDevice can
-// also provide to allow for drawing by the native platform into the device.
-// TODO(robertphillips): Once the bitmap-specific entry points are removed
-// from SkBaseDevice it might make sense for PlatformDevice to be derived
-// from it.
-class SK_API PlatformDevice {
- public:
- virtual ~PlatformDevice() {}
-
-#if defined(OS_MACOSX)
- // The CGContext that corresponds to the bitmap, used for CoreGraphics
- // operations drawing into the bitmap. This is possibly heavyweight, so it
- // should exist only during one pass of rendering.
- virtual CGContextRef GetBitmapContext() = 0;
-#endif
-
- // The DC that corresponds to the bitmap, used for GDI operations drawing
- // into the bitmap. This is possibly heavyweight, so it should be existant
- // only during one pass of rendering.
- virtual PlatformSurface BeginPlatformPaint();
-
- // Finish a previous call to beginPlatformPaint.
- virtual void EndPlatformPaint();
-
- // Returns true if GDI operations can be used for drawing into the bitmap.
- virtual bool SupportsPlatformPaint();
-
-#if defined(OS_WIN)
- // Loads a SkPath into the GDI context. The path can there after be used for
- // clipping or as a stroke. Returns false if the path failed to be loaded.
- static bool LoadPathToDC(HDC context, const SkPath& path);
-
- // Loads a SkRegion into the GDI context.
- static void LoadClippingRegionToDC(HDC context, const SkRegion& region,
- const SkMatrix& transformation);
-
- // Draws to the given screen DC, if the bitmap DC doesn't exist, this will
- // temporarily create it. However, if you have created the bitmap DC, it will
- // be more efficient if you don't free it until after this call so it doesn't
- // have to be created twice. If src_rect is null, then the entirety of the
- // source device will be copied.
- virtual void DrawToHDC(HDC, int x, int y, const RECT* src_rect);
-#endif
-
- protected:
-#if defined(OS_WIN)
- // Arrays must be inside structures.
- struct CubicPoints {
- SkPoint p[4];
- };
- typedef std::vector<CubicPoints> CubicPath;
- typedef std::vector<CubicPath> CubicPaths;
-
- // Loads the specified Skia transform into the device context, excluding
- // perspective (which GDI doesn't support).
- static void LoadTransformToDC(HDC dc, const SkMatrix& matrix);
-
- // Transforms SkPath's paths into a series of cubic path.
- static bool SkPathToCubicPaths(CubicPaths* paths, const SkPath& skpath);
-#endif
-};
-
-} // namespace skia
-
-#endif // SKIA_EXT_PLATFORM_DEVICE_H_
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