Remove WAYLAND port

skia/ext/canvas_paint_wayland.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 SKIA_EXT_CANVAS_PAINT_WAYLAND_H_
-#define SKIA_EXT_CANVAS_PAINT_WAYLAND_H_
-#pragma once
-
-#include "base/logging.h"
-#include "skia/ext/canvas_paint_common.h"
-#include "skia/ext/platform_canvas.h"
-
-namespace skia {
-
-// A class designed to translate skia painting into a region in a Wayland window
-// surface. On construction, it will set up a context for painting into, and on
-// destruction, it will commit it to the Wayland window surface.
-// Note: The created context is always inialized to (0, 0, 0, 0).
-template <class T>
-class CanvasPaintT : public T {
- public:
-  // This constructor assumes the result is opaque.
-  CanvasPaintT(cairo_surface_t* cairo_window_surface,
-               cairo_rectangle_int_t* region)
-      : context_(NULL),
-        cairo_window_surface_(cairo_window_surface),
-        region_(region),
-        composite_alpha_(false) {
-    init(true);
-  }
-
-  CanvasPaintT(cairo_surface_t* cairo_window_surface,
-               cairo_rectangle_int_t* region,
-               bool opaque)
-      : context_(NULL),
-        cairo_window_surface_(cairo_window_surface),
-        region_(region),
-        composite_alpha_(false) {
-    init(opaque);
-  }
-
-  virtual ~CanvasPaintT() {
-    if (!is_empty()) {
-      PlatformCanvas* canvas = GetPlatformCanvas(this);
-      canvas->restoreToCount(1);
-
-      // Blit the dirty rect to the window.
-      CHECK(cairo_window_surface_);
-      cairo_t* cr = cairo_create(cairo_window_surface_);
-      CHECK(cr);
-
-      if (composite_alpha_)
-        cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
-
-      cairo_surface_t* source_surface = cairo_get_target(context_);
-      CHECK(source_surface);
-      // Flush cairo's cache of the surface.
-      cairo_surface_mark_dirty(source_surface);
-      cairo_set_source_surface(cr, source_surface, region_->x, region_->y);
-      cairo_rectangle(cr,
-                      region_->x,
-                      region_->y,
-                      region_->width,
-                      region_->height);
-      cairo_fill(cr);
-      cairo_destroy(cr);
-    }
-  }
-
-  // Sets whether the bitmap is composited in such a way that the alpha channel
-  // is honored. This is only useful if you've enabled an RGBA colormap on the
-  // widget. The default is false.
-  void set_composite_alpha(bool composite_alpha) {
-    composite_alpha_ = composite_alpha;
-  }
-
-  // Returns true if the invalid region is empty. The caller should call this
-  // function to determine if anything needs painting.
-  bool is_empty() const {
-    return region_->width == 0 && region_->height == 0;
-  }
-
- private:
-  void init(bool opaque) {
-    PlatformCanvas* canvas = GetPlatformCanvas(this);
-    if (!canvas->initialize(region_->width, region_->height, opaque, NULL)) {
-      // Cause a deliberate crash;
-      CHECK(false);
-    }
-    // No need to clear the canvas, because cairo automatically performs the
-    // clear.
-
-    // Need to translate so that the dirty region appears at the origin of the
-    // surface.
-    canvas->translate(-SkIntToScalar(region_->x), -SkIntToScalar(region_->y));
-
-    context_ = BeginPlatformPaint(canvas);
-  }
-
-  cairo_t* context_;
-  cairo_surface_t* cairo_window_surface_;
-  cairo_rectangle_int_t* region_;
-  // See description above setter.
-  bool composite_alpha_;
-
-  // Disallow copy and assign.
-  CanvasPaintT(const CanvasPaintT&);
-  CanvasPaintT& operator=(const CanvasPaintT&);
-};
-
-typedef CanvasPaintT<PlatformCanvas> PlatformCanvasPaint;
-
-}  // namespace skia
-
-#endif  // SKIA_EXT_CANVAS_PAINT_WAYLAND_H_