Exemplo n.º 1
0
        public void AddViewBoxTransform(SvgAspectRatio aspectRatio, ISvgRenderer renderer, SvgFragment frag)
        {
            var x = (frag == null ? 0 : frag.X.ToDeviceValue(renderer, UnitRenderingType.Horizontal, frag));
            var y = (frag == null ? 0 : frag.Y.ToDeviceValue(renderer, UnitRenderingType.Vertical, frag));

            if (this.Equals(SvgViewBox.Empty))
            {
                renderer.TranslateTransform(x, y, MatrixOrder.Prepend);
                return;
            }

            var width  = (frag == null ? this.Width : frag.Width.ToDeviceValue(renderer, UnitRenderingType.Horizontal, frag));
            var height = (frag == null ? this.Height : frag.Height.ToDeviceValue(renderer, UnitRenderingType.Vertical, frag));

            var fScaleX = width / this.Width;
            var fScaleY = height / this.Height; //(this.MinY < 0 ? -1 : 1) *
            var fMinX   = -this.MinX * fScaleX;
            var fMinY   = -this.MinY * fScaleY;

            if (aspectRatio == null)
            {
                aspectRatio = new SvgAspectRatio(SvgPreserveAspectRatio.xMidYMid, false);
            }
            if (aspectRatio.Align != SvgPreserveAspectRatio.none)
            {
                if (aspectRatio.Slice)
                {
                    fScaleX = Math.Max(fScaleX, fScaleY);
                    fScaleY = Math.Max(fScaleX, fScaleY);
                }
                else
                {
                    fScaleX = Math.Min(fScaleX, fScaleY);
                    fScaleY = Math.Min(fScaleX, fScaleY);
                }
                float fViewMidX = (this.Width / 2) * fScaleX;
                float fViewMidY = (this.Height / 2) * fScaleY;
                float fMidX     = width / 2;
                float fMidY     = height / 2;
                fMinX = -this.MinX * fScaleX;
                fMinY = -this.MinY * fScaleY;

                switch (aspectRatio.Align)
                {
                case SvgPreserveAspectRatio.xMinYMin:
                    break;

                case SvgPreserveAspectRatio.xMidYMin:
                    fMinX += fMidX - fViewMidX;
                    break;

                case SvgPreserveAspectRatio.xMaxYMin:
                    fMinX += width - this.Width * fScaleX;
                    break;

                case SvgPreserveAspectRatio.xMinYMid:
                    fMinY += fMidY - fViewMidY;
                    break;

                case SvgPreserveAspectRatio.xMidYMid:
                    fMinX += fMidX - fViewMidX;
                    fMinY += fMidY - fViewMidY;
                    break;

                case SvgPreserveAspectRatio.xMaxYMid:
                    fMinX += width - this.Width * fScaleX;
                    fMinY += fMidY - fViewMidY;
                    break;

                case SvgPreserveAspectRatio.xMinYMax:
                    fMinY += height - this.Height * fScaleY;
                    break;

                case SvgPreserveAspectRatio.xMidYMax:
                    fMinX += fMidX - fViewMidX;
                    fMinY += height - this.Height * fScaleY;
                    break;

                case SvgPreserveAspectRatio.xMaxYMax:
                    fMinX += width - this.Width * fScaleX;
                    fMinY += height - this.Height * fScaleY;
                    break;

                default:
                    break;
                }
            }

            renderer.SetClip(new Region(new RectangleF(x, y, width, height)), CombineMode.Intersect);
            renderer.TranslateTransform(x, y, MatrixOrder.Prepend);
            renderer.TranslateTransform(fMinX, fMinY, MatrixOrder.Prepend);
            renderer.ScaleTransform(fScaleX, fScaleY, MatrixOrder.Prepend);
        }
Exemplo n.º 2
0
        public void AddViewBoxTransform(SvgAspectRatio aspectRatio, ISvgRenderer renderer, SvgFragment frag)
        {
            var x = frag == null ? 0f : frag.X.ToDeviceValue(renderer, UnitRenderingType.Horizontal, frag);
            var y = frag == null ? 0f : frag.Y.ToDeviceValue(renderer, UnitRenderingType.Vertical, frag);

            if (Equals(Empty))
            {
                renderer.TranslateTransform(x, y, MatrixOrder.Prepend);
                return;
            }

            var width  = frag == null ? Width : frag.Width.ToDeviceValue(renderer, UnitRenderingType.Horizontal, frag);
            var height = frag == null ? Height : frag.Height.ToDeviceValue(renderer, UnitRenderingType.Vertical, frag);

            var fScaleX = width / Width;
            var fScaleY = height / Height; //(MinY < 0 ? -1 : 1) *
            var fMinX   = -MinX * fScaleX;
            var fMinY   = -MinY * fScaleY;

            aspectRatio ??= new SvgAspectRatio(SvgPreserveAspectRatio.xMidYMid);
            if (aspectRatio.Align != SvgPreserveAspectRatio.none)
            {
                if (aspectRatio.Slice)
                {
                    fScaleX = Math.Max(fScaleX, fScaleY);
                    fScaleY = Math.Max(fScaleX, fScaleY);
                }
                else
                {
                    fScaleX = Math.Min(fScaleX, fScaleY);
                    fScaleY = Math.Min(fScaleX, fScaleY);
                }
                var fViewMidX = (Width / 2) * fScaleX;
                var fViewMidY = (Height / 2) * fScaleY;
                var fMidX     = width / 2;
                var fMidY     = height / 2;
                fMinX = -MinX * fScaleX;
                fMinY = -MinY * fScaleY;

                switch (aspectRatio.Align)
                {
                case SvgPreserveAspectRatio.xMinYMin:
                    break;

                case SvgPreserveAspectRatio.xMidYMin:
                    fMinX += fMidX - fViewMidX;
                    break;

                case SvgPreserveAspectRatio.xMaxYMin:
                    fMinX += width - Width * fScaleX;
                    break;

                case SvgPreserveAspectRatio.xMinYMid:
                    fMinY += fMidY - fViewMidY;
                    break;

                case SvgPreserveAspectRatio.xMidYMid:
                    fMinX += fMidX - fViewMidX;
                    fMinY += fMidY - fViewMidY;
                    break;

                case SvgPreserveAspectRatio.xMaxYMid:
                    fMinX += width - Width * fScaleX;
                    fMinY += fMidY - fViewMidY;
                    break;

                case SvgPreserveAspectRatio.xMinYMax:
                    fMinY += height - Height * fScaleY;
                    break;

                case SvgPreserveAspectRatio.xMidYMax:
                    fMinX += fMidX - fViewMidX;
                    fMinY += height - Height * fScaleY;
                    break;

                case SvgPreserveAspectRatio.xMaxYMax:
                    fMinX += width - Width * fScaleX;
                    fMinY += height - Height * fScaleY;
                    break;

                default:
                    break;
                }
            }

            renderer.TranslateTransform(x, y, MatrixOrder.Prepend);
            renderer.TranslateTransform(fMinX, fMinY, MatrixOrder.Prepend);
            renderer.ScaleTransform(fScaleX, fScaleY, MatrixOrder.Prepend);
        }
Exemplo n.º 3
0
        /// <summary>
        /// Renders the <see cref="SvgElement"/> and contents to the specified <see cref="Graphics"/> object.
        /// </summary>
        protected override void Render(ISvgRenderer renderer)
        {
            if (!Visible || !Displayable)
            {
                return;
            }

            if (Width.Value > 0.0f && Height.Value > 0.0f && this.Href != null)
            {
                var img = GetImage();
                if (img != null)
                {
                    RectangleF srcRect;
                    var        bmp = img as Image;
                    var        svg = img as SvgFragment;
                    if (bmp != null)
                    {
                        srcRect = new RectangleF(0, 0, bmp.Width, bmp.Height);
                    }
                    else if (svg != null)
                    {
                        srcRect = new RectangleF(new PointF(0, 0), svg.GetDimensions());
                    }
                    else
                    {
                        return;
                    }

                    var destClip = new RectangleF(this.Location.ToDeviceValue(renderer, this),
                                                  new SizeF(Width.ToDeviceValue(renderer, UnitRenderingType.Horizontal, this),
                                                            Height.ToDeviceValue(renderer, UnitRenderingType.Vertical, this)));
                    RectangleF destRect = destClip;

                    this.PushTransforms(renderer);
                    renderer.SetClip(new Region(destClip), CombineMode.Intersect);
                    this.SetClip(renderer);

                    SvgAspectRatio aspectRatio = AspectRatio ?? new SvgAspectRatio(SvgPreserveAspectRatio.xMidYMid);
                    if (aspectRatio.Align != SvgPreserveAspectRatio.none)
                    {
                        var fScaleX = destClip.Width / srcRect.Width;
                        var fScaleY = destClip.Height / srcRect.Height;
                        var xOffset = 0.0f;
                        var yOffset = 0.0f;

                        if (aspectRatio.Slice)
                        {
                            fScaleX = Math.Max(fScaleX, fScaleY);
                            fScaleY = Math.Max(fScaleX, fScaleY);
                        }
                        else
                        {
                            fScaleX = Math.Min(fScaleX, fScaleY);
                            fScaleY = Math.Min(fScaleX, fScaleY);
                        }

                        switch (aspectRatio.Align)
                        {
                        case SvgPreserveAspectRatio.xMinYMin:
                            break;

                        case SvgPreserveAspectRatio.xMidYMin:
                            xOffset = (destClip.Width - srcRect.Width * fScaleX) / 2;
                            break;

                        case SvgPreserveAspectRatio.xMaxYMin:
                            xOffset = (destClip.Width - srcRect.Width * fScaleX);
                            break;

                        case SvgPreserveAspectRatio.xMinYMid:
                            yOffset = (destClip.Height - srcRect.Height * fScaleY) / 2;
                            break;

                        case SvgPreserveAspectRatio.xMidYMid:
                            xOffset = (destClip.Width - srcRect.Width * fScaleX) / 2;
                            yOffset = (destClip.Height - srcRect.Height * fScaleY) / 2;
                            break;

                        case SvgPreserveAspectRatio.xMaxYMid:
                            xOffset = (destClip.Width - srcRect.Width * fScaleX);
                            yOffset = (destClip.Height - srcRect.Height * fScaleY) / 2;
                            break;

                        case SvgPreserveAspectRatio.xMinYMax:
                            yOffset = (destClip.Height - srcRect.Height * fScaleY);
                            break;

                        case SvgPreserveAspectRatio.xMidYMax:
                            xOffset = (destClip.Width - srcRect.Width * fScaleX) / 2;
                            yOffset = (destClip.Height - srcRect.Height * fScaleY);
                            break;

                        case SvgPreserveAspectRatio.xMaxYMax:
                            xOffset = (destClip.Width - srcRect.Width * fScaleX);
                            yOffset = (destClip.Height - srcRect.Height * fScaleY);
                            break;
                        }

                        destRect = new RectangleF(destClip.X + xOffset, destClip.Y + yOffset,
                                                  srcRect.Width * fScaleX, srcRect.Height * fScaleY);
                    }

                    if (bmp != null)
                    {
                        if (Opacity == 1F)
                        {
                            renderer.DrawImage(bmp, destRect, srcRect, GraphicsUnit.Pixel);
                        }
                        else
                        {
                            renderer.DrawImage(bmp, destRect, srcRect, GraphicsUnit.Pixel, Opacity);
                        }
                        bmp.Dispose();
                    }
                    else if (svg != null)
                    {
                        var currOffset = new PointF(renderer.Transform.OffsetX, renderer.Transform.OffsetY);
                        renderer.TranslateTransform(-currOffset.X, -currOffset.Y);
                        renderer.ScaleTransform(destRect.Width / srcRect.Width, destRect.Height / srcRect.Height);
                        renderer.TranslateTransform(currOffset.X + destRect.X, currOffset.Y + destRect.Y);
                        renderer.SetBoundable(new GenericBoundable(srcRect));
                        svg.RenderElement(renderer);
                        renderer.PopBoundable();
                    }


                    this.ResetClip(renderer);
                    this.PopTransforms(renderer);
                }
                // TODO: cache images... will need a shared context for this
                // TODO: support preserveAspectRatio, etc
            }
        }
Exemplo n.º 4
0
        public void AddViewBoxTransform(SvgAspectRatio aspectRatio, ISvgRenderer renderer, SvgFragment frag)
        {
            var x = (frag == null ? 0 : frag.X.ToDeviceValue(renderer, UnitRenderingType.Horizontal, frag));
            var y = (frag == null ? 0 : frag.Y.ToDeviceValue(renderer, UnitRenderingType.Vertical, frag));

            if (this.Equals(SvgViewBox.Empty))
            {
                renderer.TranslateTransform(x, y);
                return;
            }

            var width = (frag == null ? this.Width : frag.Width.ToDeviceValue(renderer, UnitRenderingType.Horizontal, frag));
            var height = (frag == null ? this.Height : frag.Height.ToDeviceValue(renderer, UnitRenderingType.Vertical, frag));

            var fScaleX = width / this.Width;
            var fScaleY = height / this.Height; //(this.MinY < 0 ? -1 : 1) * 
            var fMinX = -this.MinX * fScaleX;
            var fMinY = -this.MinY * fScaleY;

            if (aspectRatio == null) aspectRatio = new SvgAspectRatio(SvgPreserveAspectRatio.xMidYMid, false);
            if (aspectRatio.Align != SvgPreserveAspectRatio.none)
            {
                if (aspectRatio.Slice)
                {
                    fScaleX = Math.Max(fScaleX, fScaleY);
                    fScaleY = Math.Max(fScaleX, fScaleY);
                }
                else
                {
                    fScaleX = Math.Min(fScaleX, fScaleY);
                    fScaleY = Math.Min(fScaleX, fScaleY);
                }
                float fViewMidX = (this.Width / 2) * fScaleX;
                float fViewMidY = (this.Height / 2) * fScaleY;
                float fMidX = width / 2;
                float fMidY = height / 2;
                fMinX = -this.MinX * fScaleX;
                fMinY = -this.MinY * fScaleY;

                switch (aspectRatio.Align)
                {
                    case SvgPreserveAspectRatio.xMinYMin:
                        break;
                    case SvgPreserveAspectRatio.xMidYMin:
                        fMinX += fMidX - fViewMidX;
                        break;
                    case SvgPreserveAspectRatio.xMaxYMin:
                        fMinX += width - this.Width * fScaleX;
                        break;
                    case SvgPreserveAspectRatio.xMinYMid:
                        fMinY += fMidY - fViewMidY;
                        break;
                    case SvgPreserveAspectRatio.xMidYMid:
                        fMinX += fMidX - fViewMidX;
                        fMinY += fMidY - fViewMidY;
                        break;
                    case SvgPreserveAspectRatio.xMaxYMid:
                        fMinX += width - this.Width * fScaleX;
                        fMinY += fMidY - fViewMidY;
                        break;
                    case SvgPreserveAspectRatio.xMinYMax:
                        fMinY += height - this.Height * fScaleY;
                        break;
                    case SvgPreserveAspectRatio.xMidYMax:
                        fMinX += fMidX - fViewMidX;
                        fMinY += height - this.Height * fScaleY;
                        break;
                    case SvgPreserveAspectRatio.xMaxYMax:
                        fMinX += width - this.Width * fScaleX;
                        fMinY += height - this.Height * fScaleY;
                        break;
                    default:
                        break;
                }
            }

            renderer.SetClip(new Region(new RectangleF(x, y, width, height)), CombineMode.Intersect);
            renderer.ScaleTransform(fScaleX, fScaleY, MatrixOrder.Prepend);
            renderer.TranslateTransform(x, y);
            renderer.TranslateTransform(fMinX, fMinY);
        }