C # Image trim, scale, rotate, convert to mouse cursor

        =======================================================//Image clipping, zooming, converting to mouse cursor//======================        =================================///<summary>////////capture a new image from image pic///</summary> Public Bitmap getrect (image pic, Rectangle Rect) {//create image Rectangle DrawRect = new Rec  Tangle (0, 0, rect.width, rect.height);           Draw the whole block area Bitmap tmp = new Bitmap (drawrect.width, drawrect.height);                   Creates a bitmap by the specified size//draws the Graphics g = graphics.fromimage (TMP);                    Create a Graphics object from a bitmap g.clear (Color.FromArgb (0, 0, 0, 0));   Empty G.drawimage (pic, DrawRect, Rect, GraphicsUnit.Pixel);     Draw the return TMP from a given area of pic;        Returns the new image that was built}////<summary>///////From image pic Capture area rect build to drawrect size image///</summary>       Public Bitmap Getrectto (Image pic, Rectangle Rect, Rectangle drawrect) {     Create image Bitmap tmp = new Bitmap (drawrect.width, drawrect.height);                   Creates a bitmap by the specified size//draws the Graphics g = graphics.fromimage (TMP);                    Create a Graphics object from a bitmap g.clear (Color.FromArgb (0, 0, 0, 0));   Empty G.drawimage (pic, DrawRect, Rect, GraphicsUnit.Pixel);     Draw the return TMP from a given area of pic; Return the new image that was built}

        <summary>///Zoom in image pic, scale resize///</summary> public Bitmap Shrinkto (Ima GE pic, float reSize) {size S = new Size ((int) (pic. Width * reSize), (int) (pic.            Height * reSize));            Rectangle Rect = new Rectangle (new point (0, 0), S);        Return Shrinkto (pic, Rect); }///<summary>///Zoom to image pic For a new image of rect size///</summary> public Bitmap Shrink                   to (image pic, Rectangle Rect) {//create image Bitmap TMP = new Bitmap (rect.width, rect.height);  Creates a bitmap by the specified size Rectangle drawrect = new Rectangle (0, 0, rect.width, rect.height); Draw the entire block area Rectangle srcrect = new Rectangle (0, 0, pic. Width, pic.     Height);                   Entire area of PIC//Draw Graphics G = graphics.fromimage (TMP);                    Create a Graphics object from a bitmap g.clear (Color.FromArgb (0, 0, 0, 0)); Empty G.drawimage (pic, drawRect, Srcrect, graphicsunit.pixel);//Draw return TMP from a given area of pic; Return the new image that was built}

        <summary>//rotate any angle of the image/////</summary> public Bitmap Rotate (Bitmap bmp, FL        Oat angle) {return Rotate (BMP, Angle, color.transparent); }///<summary>//rotation at any angle, this function is not original///</summary> public Bitmap Rotate (Bitmap bmp, float angle, Color bkcolor) {int w = bmp.            Width + 2; int h = BMP.            Height + 2;            PixelFormat PF;            if (Bkcolor = = color.transparent) {pf = Pixelformat.format32bppargb; } else {pf = bmp.            PixelFormat;            } Bitmap tmp = new Bitmap (W, H, pf);            Graphics g = graphics.fromimage (TMP);            G.clear (Bkcolor);            G.drawimageunscaled (BMP, 1, 1);            G.dispose ();            GraphicsPath path = new GraphicsPath (); Path.            AddRectangle (New RectangleF (0f, 0f, W, h)); Matrix Mtrx = new Matrix ();            Mtrx.            Rotate (angle); RectangleF RCT = path.            GetBounds (MTRX); Bitmap DST = new Bitmap ((int) RCT. Width, (int) RCT.            Height, PF);            g = Graphics.fromimage (DST);            G.clear (Bkcolor); G.translatetransform (-RCT. X,-RCT.            Y);            G.rotatetransform (angle);            G.interpolationmode = Interpolationmode.highqualitybilinear;            g.drawimageunscaled (TMP, 0, 0);            G.dispose (); Tmp.            Dispose ();        return DST;            }//Get image of pic rotation angle angle After image public Bitmap Rotate2 (image pic, float angle) {//Create image int size = pic. Width > Pic. Height? Pic. Width * 3:pic.            Height * 3;                           Bitmap tmp = new Bitmap (size, size); Creates a bitmap by the specified size Rectangle Rect = new Rectangle (0, 0, pic. Width, pic.   Height);                   Entire area of PIC//Draw Graphics G = graphics.fromimage (TMP); Create a Graphics object from a bitmap g.clear (color.fromArgb (0, 0, 0, 0));  Empty G.translatetransform (RECT.WIDTH/2, RECT.HEIGHT/2);                               Set to rotate g.rotatetransform (angle) around the center; Controls the rotation angle point pos = new ((int) (size-pic. Width)/2), (int) (size-pic.  Height)/2));                                  Center alignment g.drawimage (pic, POS);     Draw the image G.translatetransform (-RECT.WIDTH/2,-RECT.HEIGHT/2);//Restore the anchor point to the upper left corner return TMP; Return the new image that was built}

        <summary>        ///image flips along the y-axis        ///</summary> public Bitmap flipy (Bitmap pic)        {            pic. RotateFlip (rotatefliptype.rotatenoneflipy);            return pic;        }        <summary>        ///image flips along the x        -axis///</summary> public Bitmap flipx (Bitmap pic)        {            pic. RotateFlip (ROTATEFLIPTYPE.ROTATENONEFLIPX);            return pic;        }

        <summary>        ////create mouse cursor from a given image        ////</summary> public cursor getcursor (Bitmap pic)        {            try {return new Cursor (pic. Gethicon ()); }         //Create mouse icon from bitmap            catch (Exception e) {return cursors.default;}        }        <summary>        ///Get image pic, create mouse cursor by specified size width        ///</summary> public cursor getcursor (image pic, int width)        {            Bitmap icon = new Bitmap (width, width);             Creates a bitmap by the specified size            Graphics g = graphics.fromimage (icon);              Create a Graphics object from a bitmap            g.clear (Color.FromArgb (0, 0, 0, 0));            G.drawimage (pic, 0, 0, icon. Width, icon. Height);    Draw image Bitmap            //bitmap icon = new Bitmap (tiles[toolspostion.y-1]);            try {return new Cursor (icon). Gethicon ()); }         //Create mouse icon from bitmap            catch (Exception e) {return cursors.default;}        }

C # Image trim, scale, rotate, convert to mouse cursor