mattercontrol/TestRunner/TestRunner.cs

/*
Copyright (c) 2014, Lars Brubaker
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
2. 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.

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.

The views and conclusions contained in the software and documentation are those
of the authors and should not be interpreted as representing official policies,
either expressed or implied, of the FreeBSD Project.
*/

using MatterHackers.Agg;
using MatterHackers.Agg.Image;
using MatterHackers.Agg.PlatformAbstract;
using MatterHackers.Agg.UI;
using MatterHackers.VectorMath;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Imaging;
using System.Globalization;
using System.IO;
using System.Runtime.InteropServices;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;

namespace MatterHackers.TestRunner
{
    public class TestFramework
    {
        // P/Invoke declarations
        [DllImport("gdi32.dll")]
        static extern bool BitBlt(IntPtr hdcDest, int xDest, int yDest, int
    wDest, int hDest, IntPtr hdcSource, int xSrc, int ySrc, CopyPixelOperation rop);
        [DllImport("user32.dll")]
        static extern bool ReleaseDC(IntPtr hWnd, IntPtr hDc);
        [DllImport("gdi32.dll")]
        static extern IntPtr DeleteDC(IntPtr hDc);
        [DllImport("gdi32.dll")]
        static extern IntPtr DeleteObject(IntPtr hDc);
        [DllImport("gdi32.dll")]
        static extern IntPtr CreateCompatibleBitmap(IntPtr hdc, int nWidth, int nHeight);
        [DllImport("gdi32.dll")]
        static extern IntPtr CreateCompatibleDC(IntPtr hdc);
        [DllImport("gdi32.dll")]
        static extern IntPtr SelectObject(IntPtr hdc, IntPtr bmp);
        [DllImport("user32.dll")]
        public static extern IntPtr GetDesktopWindow();
        [DllImport("user32.dll")]
        public static extern IntPtr GetWindowDC(IntPtr ptr);

        string imageDirectory;

        public TestFramework(string imageDirectory)
        {
            this.imageDirectory = imageDirectory;
        }

        public bool ClickByName(string widgetName, int xOffset = 0, int yOffset = 0, double upDelaySeconds = .2)
        {
            foreach (SystemWindow window in SystemWindow.OpenWindows)
            {
                GuiWidget widgetToClick = window.FindNamedChildRecursive(widgetName);
                if (widgetToClick != null)
                {
                    RectangleDouble childBounds = widgetToClick.TransformToParentSpace(window, widgetToClick.LocalBounds);
                    UiThread.RunOnIdle(() =>
                    window.OnMouseDown(new MouseEventArgs(MouseButtons.Left, 1,
                        childBounds.Left + xOffset, childBounds.Bottom + yOffset,
                        0)));
                    Wait(upDelaySeconds);
                    UiThread.RunOnIdle(() =>
                    window.OnMouseUp(new MouseEventArgs(MouseButtons.Left, 0,
                        childBounds.Left + xOffset, childBounds.Bottom + yOffset,
                        0)));
                    return true;
                }
            }
            return false;
        }

        public bool ClickImage(string imageName, int xOffset = 0, int yOffset = 0, double upDelaySeconds = .2)
        {
            string pathToImage = Path.Combine(imageDirectory, imageName);

            ImageBuffer imageToLookFor = new ImageBuffer();
            if (ImageIO.LoadImageData(pathToImage, imageToLookFor))
            {
                ImageBuffer currentScreen = GetCurrentScreen();

                Vector2 matchPosition;
                double bestMatch;
                if (currentScreen.FindLeastSquaresMatch(imageToLookFor, out matchPosition, out bestMatch))
                {
                    // TODO: figure out which window the position is in
                    SystemWindow window = SystemWindow.OpenWindows[0];

                    UiThread.RunOnIdle(() =>
                    window.OnMouseDown(new MouseEventArgs(MouseButtons.Left, 1,
                        matchPosition.x + xOffset, matchPosition.y + yOffset,
                        0)));
                    Wait(upDelaySeconds);
                    UiThread.RunOnIdle(() =>
                    window.OnMouseUp(new MouseEventArgs(MouseButtons.Left, 0,
                        matchPosition.x + xOffset, matchPosition.y + yOffset,
                        0)));
                    return true;
                }
            }

            return false;
        }

        public bool NameExists(string widgetName)
        {
            foreach (SystemWindow window in SystemWindow.OpenWindows)
            {
                GuiWidget widgetToClick = window.FindNamedChildRecursive(widgetName);
                if (widgetToClick != null)
                {
                    return true;
                }
            }

            return false;
        }

        public ImageBuffer GetCurrentScreen()
        {
            ImageBuffer screenCapture = new ImageBuffer();

            Size sz = System.Windows.Forms.Screen.PrimaryScreen.Bounds.Size;
            IntPtr hDesk = GetDesktopWindow();
            IntPtr hSrce = GetWindowDC(hDesk);
            IntPtr hDest = CreateCompatibleDC(hSrce);
            IntPtr hBmp = CreateCompatibleBitmap(hSrce, sz.Width, sz.Height);
            IntPtr hOldBmp = SelectObject(hDest, hBmp);
            bool b = BitBlt(hDest, 0, 0, sz.Width, sz.Height, hSrce, 0, 0, CopyPixelOperation.SourceCopy | CopyPixelOperation.CaptureBlt);
            Bitmap bmpScreenCapture = Bitmap.FromHbitmap(hBmp);
            SelectObject(hDest, hOldBmp);
            DeleteObject(hBmp);
            DeleteDC(hDest);
            ReleaseDC(hDesk, hSrce);

            //bmpScreenCapture.Save("bitmapsave.png");

            screenCapture = new ImageBuffer(bmpScreenCapture.Width, bmpScreenCapture.Height, 32, new BlenderBGRA());
            BitmapData bitmapData = bmpScreenCapture.LockBits(new Rectangle(0, 0, bmpScreenCapture.Width, bmpScreenCapture.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, bmpScreenCapture.PixelFormat);

            int offset;
            byte[] buffer = screenCapture.GetBuffer(out offset);
            int bitmapDataStride = bitmapData.Stride;
            int backBufferStrideInBytes = screenCapture.StrideInBytes();
            int backBufferHeight = screenCapture.Height;
            int backBufferHeightMinusOne = backBufferHeight - 1;

            unsafe
            {
                byte* bitmapDataScan0 = (byte*)bitmapData.Scan0;
                fixed (byte* pSourceFixed = &buffer[offset])
                {
                    byte* pSource = bitmapDataScan0 + bitmapDataStride * backBufferHeightMinusOne;
                    byte* pDestBuffer = pSourceFixed;
                    for (int y = 0; y < screenCapture.Height; y++)
                    {
                        int* pSourceInt = (int*)pSource;
                        pSourceInt -= (bitmapDataStride * y / 4);

                        int* pDestBufferInt = (int*)pDestBuffer;
                        pDestBufferInt += (backBufferStrideInBytes * y / 4);

                        for (int x = 0; x < screenCapture.Width; x++)
                        {
                            pDestBufferInt[x] = pSourceInt[x];
                        }
                    }
                }
            }

            bmpScreenCapture.UnlockBits(bitmapData);

            bmpScreenCapture.Dispose();

            return screenCapture;
        }

        public bool ImageExists(ImageBuffer image)
        {
            return false;
        }

        public bool ImageExists(string imageFileName)
        {
            return false;
        }

        public void Wait(double timeInSeconds)
        {
            Thread.Sleep((int)(timeInSeconds * 1000));
        }
    }
}