Saturday, March 25, 2017
GUIDE Fix status 6 while flashing ROMs
GUIDE Fix status 6 while flashing ROMs
I often find myself needing to query the phones screen dimensions or needing to take a screen shot for demo purposes. This usually resulted in me recycling some of the screen scraping code I wrote for Omnipresence (a prototype cross platform remote desktop type client). I figured I may as well post this code since its been pretty handy to me, and that others may find it handy as well.
The code below lets you do just that:
- PixelDimensions - Returns the devices resolution.
- GetScreenCapture - Capture the current contents of a screen to a bitmap that can then be saved/manipulated however you please.
using System; using System.Runtime.InteropServices; using System.Drawing; using System.Drawing.Imaging; namespace WindowsMobile.Utilities { public class DeviceScreen { enum RasterOperation : uint { SRC_COPY = 0x00CC0020 } [DllImport("coredll.dll")] static extern int BitBlt(IntPtr hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, IntPtr hdcSrc, int nXSrc, int nYSrc, RasterOperation rasterOperation); [DllImport("coredll.dll")] private static extern IntPtr GetDC(IntPtr hwnd); [DllImport("coredll.dll")] private static extern int GetDeviceCaps(IntPtr hdc, DeviceCapsIndex nIndex); enum DeviceCapsIndex : int { HORZRES = 8, VERTRES = 10, } public static Size PixelDimensions { get { IntPtr hdc = GetDC(IntPtr.Zero); return new Size(GetDeviceCaps(hdc, DeviceCapsIndex.HORZRES), GetDeviceCaps(hdc, DeviceCapsIndex.VERTRES)); } } public static Bitmap GetScreenCapture() { IntPtr hdc = GetDC(IntPtr.Zero); Size size = PixelDimensions; Bitmap bitmap = new Bitmap(size.Width, size.Height, PixelFormat.Format16bppRgb565); using (Graphics graphics = Graphics.FromImage(bitmap)) { IntPtr dstHdc = graphics.GetHdc(); BitBlt(dstHdc, 0, 0, size.Width, size.Height, hdc, 0, 0, RasterOperation.SRC_COPY); graphics.ReleaseHdc(dstHdc); } return bitmap; } } }
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