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//
// Copyright 2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// OSWindow:
// Operating system window integration base class.
#ifndef UTIL_OSWINDOW_H_
#define UTIL_OSWINDOW_H_
#include <stdint.h>
#include <list>
#include <string>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include "util/Event.h"
#include "util/util_export.h"
class ANGLE_UTIL_EXPORT OSWindow
{
public:
static OSWindow *New();
static void Delete(OSWindow **osWindow);
bool initialize(const std::string &name, int width, int height);
virtual void destroy() = 0;
virtual void disableErrorMessageDialog() = 0;
int getX() const;
int getY() const;
int getWidth() const;
int getHeight() const;
// Takes a screenshot of the window, returning the result as a mWidth * mHeight * 4
// normalized unsigned byte BGRA array. Note that it will be used to test the window
// manager's behavior so it needs to take an actual screenshot of the screen and not
// just grab the pixels of the window. Returns if it was successful.
virtual bool takeScreenshot(uint8_t *pixelData);
// Re-initializes the native window. This is used on platforms which do not
// have a reusable EGLNativeWindowType in order to recreate it, and is
// needed by the test suite because it re-uses the same OSWindow for
// multiple EGLSurfaces.
virtual void resetNativeWindow() = 0;
virtual EGLNativeWindowType getNativeWindow() const = 0;
// Returns a native pointer that can be used for eglCreatePlatformWindowSurfaceEXT().
virtual void *getPlatformExtension();
virtual void setNativeDisplay(EGLNativeDisplayType display) {}
virtual EGLNativeDisplayType getNativeDisplay() const = 0;
virtual void messageLoop() = 0;
bool popEvent(Event *event);
virtual void pushEvent(Event event);
virtual void setMousePosition(int x, int y) = 0;
virtual bool setOrientation(int width, int height) = 0;
virtual bool setPosition(int x, int y) = 0;
virtual bool resize(int width, int height) = 0;
virtual void setVisible(bool isVisible) = 0;
virtual void signalTestEvent() = 0;
// Pops events look for the test event
bool didTestEventFire();
// Whether window has been successfully initialized.
bool valid() const { return mValid; }
void ignoreSizeEvents() { mIgnoreSizeEvents = true; }
protected:
OSWindow();
virtual ~OSWindow();
virtual bool initializeImpl(const std::string &name, int width, int height) = 0;
int mX;
int mY;
int mWidth;
int mHeight;
std::list<Event> mEvents;
bool mValid;
bool mIgnoreSizeEvents;
};
namespace angle
{
// Find a test data file or directory.
ANGLE_UTIL_EXPORT bool FindTestDataPath(const char *searchPath,
char *dataPathOut,
size_t maxDataPathOutLen);
} // namespace angle
#endif // UTIL_OSWINDOW_H_
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