private RectangleF determineManualCropWindow(ResizeSettings settings) { RectangleF cropWindow = copyRect; if (cropWindow.IsEmpty) { //Use the crop size if present. cropWindow = new RectangleF(new PointF(0, 0), originalSize); if (settings.GetList <double>("crop", 0, 4) != null) { cropWindow = PolygonMath.ToRectangle(settings.getCustomCropSourceRect(originalSize)); //Round the custom crop rectangle coordinates //Ensure right/bottom bounded after rounding completes cropWindow.Width = Math.Min(originalSize.Width - cropWindow.Left, cropWindow.Width); cropWindow.Height = Math.Min(originalSize.Height - cropWindow.Top, cropWindow.Height); if (cropWindow.Size.IsEmpty) { throw new Exception("You must specify a custom crop rectangle if crop=custom"); } } } return(cropWindow); }
public static WpfImageSettings WpfDestinationImageSettings(this ImageState imageState, ResizeSettings settings) { WpfImageSettings wpfImageSettings = new WpfImageSettings(); Rectangle imageDest = PolygonMath.ToRectangle(PolygonMath.GetBoundingBox(imageState.layout["image"])); /* test - provo a ricavare i dati di resize che mi servono direttamente dagli oggetti Drawing sottostanti */ SizeF imageAreaSizes = PolygonMath.getParallelogramSize(imageState.layout["image"]); wpfImageSettings.DestinationImageWidth = imageAreaSizes.Width; wpfImageSettings.DestinationImageHeight = imageAreaSizes.Height; // Correct the settings.Mode according to the documentation if (settings.Mode == FitMode.None && (settings.Width != -1 && settings.Height != -1)) settings.Mode = FitMode.Pad; else if (settings.Mode == FitMode.None && (settings.MaxWidth != -1 && settings.MaxHeight != -1)) settings.Mode = FitMode.Max; #region -- Manage the image dimensions -- //double widthToApply = (settings.Width == -1 ? (double)settings.MaxWidth : (double)settings.Width); //double heightToApply = (settings.Height == -1 ? (double)settings.MaxHeight : (double)settings.Height); //var proportionWidth = (double)imageState.originalSize.Width / widthToApply; //var proportionHeight = (double)imageState.originalSize.Height / heightToApply; switch (settings.Mode) { case FitMode.None: break; case FitMode.Carve: // TODO //case FitMode.Pad: case FitMode.Max: //if (proportionWidth > proportionHeight) //{ // wpfImageSettings.DestinationImageHeight = Convert.ToInt32(imageState.originalSize.Height / proportionWidth); // wpfImageSettings.DestinationImageWidth = Convert.ToInt32(widthToApply); //} //else //{ // wpfImageSettings.DestinationImageWidth = Convert.ToInt32(imageState.originalSize.Width / proportionHeight); // wpfImageSettings.DestinationImageHeight = Convert.ToInt32(heightToApply); //} /* TODO: * * verificare la necessità di calcolare gli offset per il PAD */ break; case FitMode.Crop: case FitMode.Pad: //int scaleWidth, scaleHeight; //scaleWidth = scaleHeight = 0; //wpfImageSettings.DestinationImageCanvasWidth = scaleWidth = imageDest.Width; //wpfImageSettings.DestinationImageCanvasHeight = scaleHeight = imageDest.Height; //// If only a dimension is missing make it square //if (wpfImageSettings.DestinationImageCanvasWidth == 0 || wpfImageSettings.DestinationImageCanvasHeight == 0) //{ // wpfImageSettings.DestinationImageCanvasWidth = wpfImageSettings.DestinationImageCanvasHeight = Math.Max(wpfImageSettings.DestinationImageCanvasWidth, wpfImageSettings.DestinationImageCanvasHeight); //} //double originalProportions = (double)imageState.originalSize.Width / (double)imageState.originalSize.Height; //double viewportProportions = (double)wpfImageSettings.DestinationImageCanvasWidth / (double)wpfImageSettings.DestinationImageCanvasHeight; //// Calculates the new scale proportions to make touche-from-inside crop //if ((originalProportions > 1 && viewportProportions <= 1) || (originalProportions < 1 && viewportProportions > 1)) //{ // scaleHeight = Math.Max(wpfImageSettings.DestinationImageCanvasHeight, wpfImageSettings.DestinationImageCanvasWidth); // scaleWidth = Convert.ToInt32(((float)(scaleHeight) / (float)(imageState.originalSize.Height)) * imageState.originalSize.Width); //} //else //{ // scaleWidth = Math.Max(wpfImageSettings.DestinationImageCanvasHeight, wpfImageSettings.DestinationImageCanvasWidth); // scaleHeight = Convert.ToInt32(((float)(scaleWidth) / (float)(imageState.originalSize.Width)) * imageState.originalSize.Height); //} //wpfImageSettings.DestinationImageWidth = scaleWidth; //wpfImageSettings.DestinationImageHeight = scaleHeight; //if ((imageState.copyRect.Y == 0) && (imageState.copyRect.X != 0)) if ((imageState.originalSize.Width / imageState.originalSize.Height) >= (imageDest.Width / imageDest.Height)) { wpfImageSettings.DestinationImageWidth = (imageState.originalSize.Width * imageDest.Height) / imageState.copyRect.Height; if (settings.Mode == FitMode.Pad) wpfImageSettings.DestinationImageHeight = imageState.originalSize.Height; else wpfImageSettings.DestinationImageHeight = imageDest.Height; wpfImageSettings.OffsetX = -(wpfImageSettings.DestinationImageWidth * imageState.copyRect.X) / imageState.originalSize.Width; wpfImageSettings.OffsetY = 0; } else // if ((imageState.copyRect.X == 0) && (imageState.copyRect.Y != 0)) { if (settings.Mode == FitMode.Pad) wpfImageSettings.DestinationImageWidth = imageState.originalSize.Width; else wpfImageSettings.DestinationImageWidth = imageDest.Width; wpfImageSettings.DestinationImageHeight = (imageState.originalSize.Height * imageDest.Width) / imageState.copyRect.Width; wpfImageSettings.OffsetX = 0; wpfImageSettings.OffsetY = -(wpfImageSettings.DestinationImageHeight * imageState.copyRect.Y) / imageState.originalSize.Height; } /*else { }*/ break; //case FitMode.Pad: // wpfImageSettings.DestinationImageHeight = Convert.ToInt32(imageState.layout["image"][3].Y - imageState.layout["image"][0].Y); // wpfImageSettings.DestinationImageWidth = Convert.ToInt32(imageState.layout["image"][1].X - imageState.layout["image"][3].X); // break; case FitMode.Stretch: //wpfImageSettings.DestinationImageWidth = Convert.ToInt32(widthToApply); //wpfImageSettings.DestinationImageHeight = Convert.ToInt32(heightToApply); break; default: wpfImageSettings.DestinationImageWidth = imageState.originalSize.Width; wpfImageSettings.DestinationImageHeight = imageState.originalSize.Height; break; } #endregion #region -- Manage the allignments -- switch (settings.Mode) { case FitMode.None: case FitMode.Crop: case FitMode.Pad: RectangleF croppedSize = settings.getCustomCropSourceRect(imageState.originalSize); if ((croppedSize.X != 0) || (croppedSize.Y != 0)) { wpfImageSettings.OffsetX = -Convert.ToInt32(croppedSize.X); wpfImageSettings.OffsetY = -Convert.ToInt32(croppedSize.Y); wpfImageSettings.DestinationImageCanvasWidth = croppedSize.Right - croppedSize.Left; wpfImageSettings.DestinationImageCanvasHeight = croppedSize.Bottom - croppedSize.Top; } else { wpfImageSettings.OffsetX = imageState.layout["image"][0].X; wpfImageSettings.OffsetY = imageState.layout["image"][0].Y; } //wpfImageSettings.DestinationImageCanvasWidth = imageDest.Width; //wpfImageSettings.DestinationImageCanvasHeight = imageDest.Height; //// In crop or pad I've to calculate the Offsets //switch (settings.Anchor) //{ // case ContentAlignment.BottomCenter: // wpfImageSettings.OffsetX = (int)Math.Floor((double)(imageState.finalSize.Width - wpfImageSettings.DestinationImageWidth) / 2); // wpfImageSettings.OffsetY = imageState.finalSize.Height - wpfImageSettings.DestinationImageHeight; // break; // case ContentAlignment.BottomLeft: // wpfImageSettings.OffsetX = 0; // wpfImageSettings.OffsetY = imageState.finalSize.Height - wpfImageSettings.DestinationImageHeight; // break; // case ContentAlignment.BottomRight: // wpfImageSettings.OffsetX = imageState.finalSize.Width - wpfImageSettings.DestinationImageWidth; // wpfImageSettings.OffsetY = imageState.finalSize.Height - wpfImageSettings.DestinationImageHeight; // break; // case ContentAlignment.MiddleCenter: // wpfImageSettings.OffsetX = (int)Math.Floor((double)(imageState.finalSize.Width - wpfImageSettings.DestinationImageWidth) / 2); // wpfImageSettings.OffsetY = (int)Math.Floor((double)(imageState.finalSize.Height - wpfImageSettings.DestinationImageHeight) / 2); // break; // case ContentAlignment.MiddleLeft: // wpfImageSettings.OffsetX = 0; // wpfImageSettings.OffsetY = (int)Math.Floor((double)(imageState.finalSize.Height - wpfImageSettings.DestinationImageHeight) / 2); // break; // case ContentAlignment.MiddleRight: // wpfImageSettings.OffsetX = imageState.finalSize.Width - wpfImageSettings.DestinationImageWidth; // wpfImageSettings.OffsetY = (int)Math.Floor((double)(imageState.finalSize.Height - wpfImageSettings.DestinationImageHeight) / 2); // break; // case ContentAlignment.TopCenter: // wpfImageSettings.OffsetX = (int)Math.Floor((double)(imageState.finalSize.Width - wpfImageSettings.DestinationImageWidth) / 2); // wpfImageSettings.OffsetY = 0; // break; // case ContentAlignment.TopLeft: // wpfImageSettings.OffsetX = 0; // wpfImageSettings.OffsetY = 0; // break; // case ContentAlignment.TopRight: // wpfImageSettings.OffsetX = imageState.finalSize.Width - wpfImageSettings.DestinationImageWidth; // wpfImageSettings.OffsetY = 0; // break; // default: // break; //} break; //case FitMode.Crop: // break; default: /* TODO: risistemare!!! */ // Supposing I'm on manual cropping, I'll use the underlying calculations //wpfImageSettings.DestinationImageWidth = imageState.originalSize.Width; //wpfImageSettings.DestinationImageHeight = imageState.originalSize.Height; //RectangleF croppedSize = settings.getCustomCropSourceRect(imageState.originalSize); //wpfImageSettings.OffsetX = -Convert.ToInt32(croppedSize.X); //wpfImageSettings.OffsetY = -Convert.ToInt32(croppedSize.Y); //wpfImageSettings.DestinationImageCanvasWidth = croppedSize.Right - croppedSize.Left; //wpfImageSettings.DestinationImageCanvasHeight = croppedSize.Bottom - croppedSize.Top; break; } #endregion if ((settings.Rotate % 360) != 0) { wpfImageSettings.OffsetX = (imageState.finalSize.Width - wpfImageSettings.DestinationImageWidth) / 2; wpfImageSettings.OffsetY = (imageState.finalSize.Height - wpfImageSettings.DestinationImageHeight) / 2; } return wpfImageSettings; }
public static WpfImageSettings WpfDestinationImageSettings(this ImageState imageState, ResizeSettings settings) { WpfImageSettings wpfImageSettings = new WpfImageSettings(); Rectangle imageDest = PolygonMath.ToRectangle(PolygonMath.GetBoundingBox(imageState.layout["image"])); /* test - provo a ricavare i dati di resize che mi servono direttamente dagli oggetti Drawing sottostanti */ SizeF imageAreaSizes = PolygonMath.getParallelogramSize(imageState.layout["image"]); wpfImageSettings.DestinationImageWidth = imageAreaSizes.Width; wpfImageSettings.DestinationImageHeight = imageAreaSizes.Height; // Correct the settings.Mode according to the documentation if (settings.Mode == FitMode.None && (settings.Width != -1 && settings.Height != -1)) { settings.Mode = FitMode.Pad; } else if (settings.Mode == FitMode.None && (settings.MaxWidth != -1 && settings.MaxHeight != -1)) { settings.Mode = FitMode.Max; } #region -- Manage the image dimensions -- //double widthToApply = (settings.Width == -1 ? (double)settings.MaxWidth : (double)settings.Width); //double heightToApply = (settings.Height == -1 ? (double)settings.MaxHeight : (double)settings.Height); //var proportionWidth = (double)imageState.originalSize.Width / widthToApply; //var proportionHeight = (double)imageState.originalSize.Height / heightToApply; switch (settings.Mode) { case FitMode.None: break; case FitMode.Carve: // TODO //case FitMode.Pad: case FitMode.Max: //if (proportionWidth > proportionHeight) //{ // wpfImageSettings.DestinationImageHeight = Convert.ToInt32(imageState.originalSize.Height / proportionWidth); // wpfImageSettings.DestinationImageWidth = Convert.ToInt32(widthToApply); //} //else //{ // wpfImageSettings.DestinationImageWidth = Convert.ToInt32(imageState.originalSize.Width / proportionHeight); // wpfImageSettings.DestinationImageHeight = Convert.ToInt32(heightToApply); //} /* * * * * TODO: * * verificare la necessità di calcolare gli offset per il PAD * * * * */ break; case FitMode.Crop: case FitMode.Pad: //int scaleWidth, scaleHeight; //scaleWidth = scaleHeight = 0; //wpfImageSettings.DestinationImageCanvasWidth = scaleWidth = imageDest.Width; //wpfImageSettings.DestinationImageCanvasHeight = scaleHeight = imageDest.Height; //// If only a dimension is missing make it square //if (wpfImageSettings.DestinationImageCanvasWidth == 0 || wpfImageSettings.DestinationImageCanvasHeight == 0) //{ // wpfImageSettings.DestinationImageCanvasWidth = wpfImageSettings.DestinationImageCanvasHeight = Math.Max(wpfImageSettings.DestinationImageCanvasWidth, wpfImageSettings.DestinationImageCanvasHeight); //} //double originalProportions = (double)imageState.originalSize.Width / (double)imageState.originalSize.Height; //double viewportProportions = (double)wpfImageSettings.DestinationImageCanvasWidth / (double)wpfImageSettings.DestinationImageCanvasHeight; //// Calculates the new scale proportions to make touche-from-inside crop //if ((originalProportions > 1 && viewportProportions <= 1) || (originalProportions < 1 && viewportProportions > 1)) //{ // scaleHeight = Math.Max(wpfImageSettings.DestinationImageCanvasHeight, wpfImageSettings.DestinationImageCanvasWidth); // scaleWidth = Convert.ToInt32(((float)(scaleHeight) / (float)(imageState.originalSize.Height)) * imageState.originalSize.Width); //} //else //{ // scaleWidth = Math.Max(wpfImageSettings.DestinationImageCanvasHeight, wpfImageSettings.DestinationImageCanvasWidth); // scaleHeight = Convert.ToInt32(((float)(scaleWidth) / (float)(imageState.originalSize.Width)) * imageState.originalSize.Height); //} //wpfImageSettings.DestinationImageWidth = scaleWidth; //wpfImageSettings.DestinationImageHeight = scaleHeight; //if ((imageState.copyRect.Y == 0) && (imageState.copyRect.X != 0)) if ((imageState.originalSize.Width / imageState.originalSize.Height) >= (imageDest.Width / imageDest.Height)) { wpfImageSettings.DestinationImageWidth = (imageState.originalSize.Width * imageDest.Height) / imageState.copyRect.Height; if (settings.Mode == FitMode.Pad) { wpfImageSettings.DestinationImageHeight = imageState.originalSize.Height; } else { wpfImageSettings.DestinationImageHeight = imageDest.Height; } wpfImageSettings.OffsetX = -(wpfImageSettings.DestinationImageWidth * imageState.copyRect.X) / imageState.originalSize.Width; wpfImageSettings.OffsetY = 0; } else // if ((imageState.copyRect.X == 0) && (imageState.copyRect.Y != 0)) { if (settings.Mode == FitMode.Pad) { wpfImageSettings.DestinationImageWidth = imageState.originalSize.Width; } else { wpfImageSettings.DestinationImageWidth = imageDest.Width; } wpfImageSettings.DestinationImageHeight = (imageState.originalSize.Height * imageDest.Width) / imageState.copyRect.Width; wpfImageSettings.OffsetX = 0; wpfImageSettings.OffsetY = -(wpfImageSettings.DestinationImageHeight * imageState.copyRect.Y) / imageState.originalSize.Height; } /*else * { * * }*/ break; //case FitMode.Pad: // wpfImageSettings.DestinationImageHeight = Convert.ToInt32(imageState.layout["image"][3].Y - imageState.layout["image"][0].Y); // wpfImageSettings.DestinationImageWidth = Convert.ToInt32(imageState.layout["image"][1].X - imageState.layout["image"][3].X); // break; case FitMode.Stretch: //wpfImageSettings.DestinationImageWidth = Convert.ToInt32(widthToApply); //wpfImageSettings.DestinationImageHeight = Convert.ToInt32(heightToApply); break; default: wpfImageSettings.DestinationImageWidth = imageState.originalSize.Width; wpfImageSettings.DestinationImageHeight = imageState.originalSize.Height; break; } #endregion #region -- Manage the allignments -- switch (settings.Mode) { case FitMode.None: case FitMode.Crop: case FitMode.Pad: RectangleF croppedSize = settings.getCustomCropSourceRect(imageState.originalSize); if ((croppedSize.X != 0) || (croppedSize.Y != 0)) { wpfImageSettings.OffsetX = -Convert.ToInt32(croppedSize.X); wpfImageSettings.OffsetY = -Convert.ToInt32(croppedSize.Y); wpfImageSettings.DestinationImageCanvasWidth = croppedSize.Right - croppedSize.Left; wpfImageSettings.DestinationImageCanvasHeight = croppedSize.Bottom - croppedSize.Top; } else { wpfImageSettings.OffsetX = imageState.layout["image"][0].X; wpfImageSettings.OffsetY = imageState.layout["image"][0].Y; } //wpfImageSettings.DestinationImageCanvasWidth = imageDest.Width; //wpfImageSettings.DestinationImageCanvasHeight = imageDest.Height; //// In crop or pad I've to calculate the Offsets //switch (settings.Anchor) //{ // case ContentAlignment.BottomCenter: // wpfImageSettings.OffsetX = (int)Math.Floor((double)(imageState.finalSize.Width - wpfImageSettings.DestinationImageWidth) / 2); // wpfImageSettings.OffsetY = imageState.finalSize.Height - wpfImageSettings.DestinationImageHeight; // break; // case ContentAlignment.BottomLeft: // wpfImageSettings.OffsetX = 0; // wpfImageSettings.OffsetY = imageState.finalSize.Height - wpfImageSettings.DestinationImageHeight; // break; // case ContentAlignment.BottomRight: // wpfImageSettings.OffsetX = imageState.finalSize.Width - wpfImageSettings.DestinationImageWidth; // wpfImageSettings.OffsetY = imageState.finalSize.Height - wpfImageSettings.DestinationImageHeight; // break; // case ContentAlignment.MiddleCenter: // wpfImageSettings.OffsetX = (int)Math.Floor((double)(imageState.finalSize.Width - wpfImageSettings.DestinationImageWidth) / 2); // wpfImageSettings.OffsetY = (int)Math.Floor((double)(imageState.finalSize.Height - wpfImageSettings.DestinationImageHeight) / 2); // break; // case ContentAlignment.MiddleLeft: // wpfImageSettings.OffsetX = 0; // wpfImageSettings.OffsetY = (int)Math.Floor((double)(imageState.finalSize.Height - wpfImageSettings.DestinationImageHeight) / 2); // break; // case ContentAlignment.MiddleRight: // wpfImageSettings.OffsetX = imageState.finalSize.Width - wpfImageSettings.DestinationImageWidth; // wpfImageSettings.OffsetY = (int)Math.Floor((double)(imageState.finalSize.Height - wpfImageSettings.DestinationImageHeight) / 2); // break; // case ContentAlignment.TopCenter: // wpfImageSettings.OffsetX = (int)Math.Floor((double)(imageState.finalSize.Width - wpfImageSettings.DestinationImageWidth) / 2); // wpfImageSettings.OffsetY = 0; // break; // case ContentAlignment.TopLeft: // wpfImageSettings.OffsetX = 0; // wpfImageSettings.OffsetY = 0; // break; // case ContentAlignment.TopRight: // wpfImageSettings.OffsetX = imageState.finalSize.Width - wpfImageSettings.DestinationImageWidth; // wpfImageSettings.OffsetY = 0; // break; // default: // break; //} break; //case FitMode.Crop: // break; default: /* * * * TODO: risistemare!!! * * */ // Supposing I'm on manual cropping, I'll use the underlying calculations //wpfImageSettings.DestinationImageWidth = imageState.originalSize.Width; //wpfImageSettings.DestinationImageHeight = imageState.originalSize.Height; //RectangleF croppedSize = settings.getCustomCropSourceRect(imageState.originalSize); //wpfImageSettings.OffsetX = -Convert.ToInt32(croppedSize.X); //wpfImageSettings.OffsetY = -Convert.ToInt32(croppedSize.Y); //wpfImageSettings.DestinationImageCanvasWidth = croppedSize.Right - croppedSize.Left; //wpfImageSettings.DestinationImageCanvasHeight = croppedSize.Bottom - croppedSize.Top; break; } #endregion if ((settings.Rotate % 360) != 0) { wpfImageSettings.OffsetX = (imageState.finalSize.Width - wpfImageSettings.DestinationImageWidth) / 2; wpfImageSettings.OffsetY = (imageState.finalSize.Height - wpfImageSettings.DestinationImageHeight) / 2; } return(wpfImageSettings); }