protected override void OnRender(IDrawingContext dc, RectFloat clipRect, CanvasView canvasView)
{
if ((canvasView.ScaleRatio >= 2.0) && GetIsPixelGridEnabled(canvasView))
{
SizeDouble canvasSize = base.Owner.CanvasSize;
RectDouble b = new RectDouble(PointDouble.Zero, canvasSize);
RectInt32 rect = RectDouble.Intersect(clipRect, b).Int32Bound;
Matrix3x2Double transform = dc.Transform;
double num6 = 1.0 / canvasView.CanvasHairWidth;
RectDouble num7 = transform.Transform(rect);
double num9 = DoubleUtil.Clamp((canvasView.ScaleRatio - 2.0) / 4.0, 0.0, 1.0) / 2.0;
this.stippleBitmapBrush.Opacity = num9;
using (dc.UseAntialiasMode(AntialiasMode.Aliased))
{
using (dc.UseTransform(Matrix3x2Float.Identity))
{
using (dc.UseAxisAlignedClip((RectFloat)num7, AntialiasMode.Aliased))
{
for (int i = -(rect.Width & 1); i <= rect.Width; i++)
{
dc.DrawLine(num7.X + (i * num6), num7.Y, num7.X + (i * num6), num7.Y + num7.Height, this.stippleBitmapBrush, 1.0);
}
for (int j = -(rect.Height & 1); j <= rect.Height; j++)
{
dc.DrawLine(num7.X, num7.Y + (j * num6), num7.X + num7.Width, num7.Y + (j * num6), this.stippleBitmapBrush, 1.0);
}
}
}
}
}
base.OnRender(dc, clipRect, canvasView);
}
public void BeforeRender(RectFloat clipRect)
{
if ((!this.afterRenderCalled || this.beforeRenderCalled) || this.renderCalled)
{
throw new PaintDotNet.InternalErrorException();
}
this.afterRenderCalled = false;
this.beforeRenderCalled = true;
base.VerifyAccess();
double scaleRatio = this.canvasView.ScaleRatio;
bool flag = scaleRatio == ((int)scaleRatio);
int index = (int)DoubleUtil.Clamp(this.ConvertScaleRatioToMipLevel(scaleRatio), 0.0, (double)(this.MipLevelCount - 1));
DocumentCanvasLayerViewMipLayer item = this.mipLayers[index];
if (this.mipLayerZOrder.IndexOf(item) != 0)
{
this.mipLayerZOrder.Remove(item);
this.mipLayerZOrder.Insert(0, item);
item.IsVisible = true;
item.IsActive = true;
this.canvasView.Invalidate();
}
this.tileCaches[this.mipLayerZOrder[0].MipLevel].ProcessTileRenderedQueue();
this.mipLayerZOrder[0].BeforeRender(clipRect);
for (int i = this.mipLayerZOrder.Count - 1; i >= 1; i--)
{
this.mipLayerZOrder[i].BeforeRender(clipRect);
this.mipLayerZOrder[i].IsActive = false;
}
}
public void Render(IDrawingContext dc, RectFloat clipRect)
{
if ((!this.beforeRenderCalled || this.renderCalled) || this.afterRenderCalled)
{
throw new PaintDotNet.InternalErrorException();
}
this.renderCalled = true;
using (dc.UseAntialiasMode(AntialiasMode.Aliased))
{
double scaleRatio = this.canvasView.ScaleRatio;
double d = this.ConvertScaleRatioToMipLevel(scaleRatio);
int num3 = (int)Math.Floor(d);
bool flag = Math.Abs((double)(d - Math.Round(d, MidpointRounding.AwayFromZero))) < 0.01;
bool isHighQualityScalingEnabled = DocumentCanvasLayer.GetIsHighQualityScalingEnabled(this.canvasView);
for (int i = this.mipLayerZOrder.Count - 1; i >= 0; i--)
{
DocumentCanvasLayerViewMipLayer layer = this.mipLayerZOrder[i];
if (layer.MipLevel == 0)
{
if (flag)
{
layer.Render(dc, clipRect, 1f, BitmapInterpolationMode.NearestNeighbor);
}
else if (scaleRatio < 1.0)
{
layer.Render(dc, clipRect, 1f, isHighQualityScalingEnabled ? BitmapInterpolationMode.Linear : BitmapInterpolationMode.NearestNeighbor);
}
else
{
layer.Render(dc, clipRect, 1f, BitmapInterpolationMode.NearestNeighbor);
if ((scaleRatio < 2.0) & isHighQualityScalingEnabled)
{
double num5 = d - num3;
double num6 = 1.0 - (((1.0 - num5) * (1.0 - num5)) * (1.0 - num5));
double num7 = DoubleUtil.Clamp(num6, 0.0, 1.0);
layer.Render(dc, clipRect, (float)num7, BitmapInterpolationMode.Linear);
}
}
}
else
{
layer.Render(dc, clipRect, 1f, isHighQualityScalingEnabled ? BitmapInterpolationMode.Linear : BitmapInterpolationMode.NearestNeighbor);
}
}
}
}
protected void ZoomViaCurrentMousePosition(PaintDotNet.ScaleFactor newScaleFactor)
{
PointDouble center;
PointInt32 pt = Control.MousePosition.ToPointInt32();
RectDouble visibleCanvasBounds = this.CanvasView.GetVisibleCanvasBounds();
RectDouble num3 = this.RectangleToScreen(this.DocumentToClient(visibleCanvasBounds));
if (num3.Contains(pt))
{
double x = DoubleUtil.Clamp((double)pt.X, num3.Left, num3.Right);
center = new PointDouble(x, DoubleUtil.Clamp((double)pt.Y, num3.Top, num3.Bottom));
}
else
{
center = num3.Center;
}
PointDouble clientPt = this.PointToClient(center);
PointDouble anchorPtViewport = this.CanvasView.ConvertCanvasToViewport(this.ClientToDocument(clientPt));
this.ZoomToWithCentering(newScaleFactor, () => this.CanvasView.ConvertViewportToCanvas(anchorPtViewport));
}
private double GetGradientStopAlpha(double offset)
{
double num5;
if ((offset < 0.0) || (offset > 1.0))
{
throw new ArgumentOutOfRangeException();
}
double effectiveHardness = GetEffectiveHardness(this.hardness, base.Antialiased);
double hardnessInflationFactor = GetHardnessInflationFactor(this.hardness, base.Antialiased);
double num3 = effectiveHardness;
double num4 = 1.0 - num3;
if (offset <= num3)
{
num5 = 1.0;
}
else
{
double x = (offset - num3) / num4;
num5 = MathUtil.Gaussian(x, 1.0, 0.0, 0.275);
}
return(DoubleUtil.Clamp(num5, 0.0, 1.0));
}
private void OnOpacityVariableValueChanged(object sender, EventArgs e)
{
base.Opacity = (float)DoubleUtil.Clamp(this.opacityVariable.Value, 0.0, 1.0);
}
public static PointDouble Clamp(RectDouble bounds, PointDouble point) => new PointDouble(DoubleUtil.Clamp(point.x, bounds.Left, bounds.Right), DoubleUtil.Clamp(point.y, bounds.Top, bounds.Bottom));
public void Save(Stream output, Surface surface, DdsFileFormat fileFormat, DdsCompressorType compressorType, DdsErrorMetric errorMetric, bool generateMipMaps, ResamplingAlgorithm mipMapResamplingAlgorithm, bool weightColorByAlpha, ProgressEventHandler progressCallback)
{
int num21;
int num = 0;
bool flag = ((fileFormat == DdsFileFormat.DDS_FORMAT_DXT1) || (fileFormat == DdsFileFormat.DDS_FORMAT_DXT3)) || (fileFormat == DdsFileFormat.DDS_FORMAT_DXT5);
int num2 = 1;
int mipWidth = surface.Width;
int height = surface.Height;
if (generateMipMaps)
{
while ((mipWidth > 1) || (height > 1))
{
num2++;
mipWidth /= 2;
height /= 2;
}
}
this.m_header.m_size = this.m_header.Size();
this.m_header.m_headerFlags = 0x1007;
if (flag)
{
this.m_header.m_headerFlags |= 0x80000;
}
else
{
this.m_header.m_headerFlags |= 8;
}
if (num2 > 1)
{
this.m_header.m_headerFlags |= 0x20000;
}
this.m_header.m_height = (uint)surface.Height;
this.m_header.m_width = (uint)surface.Width;
if (flag)
{
int num5 = ((surface.Width + 3) / 4) * ((surface.Height + 3) / 4);
int num6 = (fileFormat == DdsFileFormat.DDS_FORMAT_DXT1) ? 8 : 0x10;
this.m_header.m_pitchOrLinearSize = (uint)(num5 * num6);
}
else
{
switch (fileFormat)
{
case DdsFileFormat.DDS_FORMAT_A8R8G8B8:
case DdsFileFormat.DDS_FORMAT_X8R8G8B8:
case DdsFileFormat.DDS_FORMAT_A8B8G8R8:
case DdsFileFormat.DDS_FORMAT_X8B8G8R8:
num = 4;
break;
case DdsFileFormat.DDS_FORMAT_A1R5G5B5:
case DdsFileFormat.DDS_FORMAT_A4R4G4B4:
case DdsFileFormat.DDS_FORMAT_R5G6B5:
num = 2;
break;
case DdsFileFormat.DDS_FORMAT_R8G8B8:
num = 3;
break;
}
this.m_header.m_pitchOrLinearSize = (uint)(this.m_header.m_width * num);
}
this.m_header.m_depth = 0;
this.m_header.m_mipMapCount = (num2 == 1) ? 0 : ((uint)num2);
this.m_header.m_reserved1_0 = 0;
this.m_header.m_reserved1_1 = 0;
this.m_header.m_reserved1_2 = 0;
this.m_header.m_reserved1_3 = 0;
this.m_header.m_reserved1_4 = 0;
this.m_header.m_reserved1_5 = 0;
this.m_header.m_reserved1_6 = 0;
this.m_header.m_reserved1_7 = 0;
this.m_header.m_reserved1_8 = 0;
this.m_header.m_reserved1_9 = 0;
this.m_header.m_reserved1_10 = 0;
this.m_header.m_pixelFormat.Initialise(fileFormat);
this.m_header.m_surfaceFlags = 0x1000;
if (num2 > 1)
{
this.m_header.m_surfaceFlags |= 0x400008;
}
this.m_header.m_cubemapFlags = 0;
this.m_header.m_reserved2_0 = 0;
this.m_header.m_reserved2_1 = 0;
this.m_header.m_reserved2_2 = 0;
output.WriteUInt32(0x20534444);
this.m_header.Write(output);
int squishFlags = this.GetSquishFlags(fileFormat, compressorType, errorMetric, weightColorByAlpha);
mipWidth = surface.Width;
height = surface.Height;
SizeInt32[] numArray = new SizeInt32[num2];
int[] numArray2 = new int[num2];
int[] pixelsCompleted = new int[num2];
long totalPixels = 0L;
for (int i = 0; i < num2; i++)
{
SizeInt32 num8 = new SizeInt32((mipWidth > 0) ? mipWidth : 1, (height > 0) ? height : 1);
numArray[i] = num8;
int num9 = num8.Width * num8.Height;
numArray2[i] = num9;
if (i == 0)
{
pixelsCompleted[i] = 0;
}
else
{
pixelsCompleted[i] = pixelsCompleted[i - 1] + numArray2[i - 1];
}
totalPixels += num9;
mipWidth /= 2;
height /= 2;
}
mipWidth = surface.Width;
height = surface.Height;
for (int mipLoop = 0; mipLoop < num2; mipLoop = num21 + 1)
{
byte[] buffer;
SizeInt32 size = numArray[mipLoop];
Surface surface2 = new Surface(size);
if (mipLoop == 0)
{
surface2 = surface;
}
else
{
IRenderer <ColorBgra> renderer;
SizeInt32 newSize = surface2.Size <ColorBgra>();
switch (mipMapResamplingAlgorithm)
{
case ResamplingAlgorithm.NearestNeighbor:
renderer = surface.ResizeNearestNeighbor(newSize);
break;
case ResamplingAlgorithm.Bilinear:
renderer = surface.ResizeBilinear(newSize);
break;
case ResamplingAlgorithm.Bicubic:
renderer = surface.ResizeBicubic(newSize);
break;
case ResamplingAlgorithm.SuperSampling:
renderer = surface.ResizeSuperSampling(newSize);
break;
case ResamplingAlgorithm.Fant:
renderer = surface.ResizeFant(newSize);
break;
default:
throw ExceptionUtil.InvalidEnumArgumentException <ResamplingAlgorithm>(mipMapResamplingAlgorithm, "mipMapResamplingAlgorithm");
}
renderer.Render <ColorBgra>(surface2);
}
DdsSquish.ProgressFn fn = delegate(int workDone, int workTotal) {
long num = workDone * mipWidth;
long num2 = pixelsCompleted[mipLoop];
double num3 = (num + num2) / ((double)totalPixels);
progressCallback(this, new ProgressEventArgs(DoubleUtil.Clamp(100.0 * num3, 0.0, 100.0)));
};
if ((fileFormat >= DdsFileFormat.DDS_FORMAT_DXT1) && (fileFormat <= DdsFileFormat.DDS_FORMAT_DXT5))
{
buffer = DdsSquish.CompressImage(surface2, squishFlags, (progressCallback == null) ? null : fn);
}
else
{
int num12 = num * surface2.Width;
buffer = new byte[num12 * surface2.Height];
buffer.Initialize();
for (int j = 0; j < surface2.Height; j++)
{
for (int k = 0; k < surface2.Width; k++)
{
ColorBgra point = surface2.GetPoint(k, j);
uint num15 = 0;
switch (fileFormat)
{
case DdsFileFormat.DDS_FORMAT_A8R8G8B8:
num15 = (uint)((((point.A << 0x18) | (point.R << 0x10)) | (point.G << 8)) | point.B);
break;
case DdsFileFormat.DDS_FORMAT_X8R8G8B8:
num15 = (uint)(((point.R << 0x10) | (point.G << 8)) | point.B);
break;
case DdsFileFormat.DDS_FORMAT_A8B8G8R8:
num15 = (uint)((((point.A << 0x18) | (point.B << 0x10)) | (point.G << 8)) | point.R);
break;
case DdsFileFormat.DDS_FORMAT_X8B8G8R8:
num15 = (uint)(((point.B << 0x10) | (point.G << 8)) | point.R);
break;
case DdsFileFormat.DDS_FORMAT_A1R5G5B5:
num15 = (uint)((((((point.A != null) ? 1 : 0) << 15) | ((point.R >> 3) << 10)) | ((point.G >> 3) << 5)) | (point.B >> 3));
break;
case DdsFileFormat.DDS_FORMAT_A4R4G4B4:
num15 = (uint)(((((point.A >> 4) << 12) | ((point.R >> 4) << 8)) | ((point.G >> 4) << 4)) | (point.B >> 4));
break;
case DdsFileFormat.DDS_FORMAT_R8G8B8:
num15 = (uint)(((point.R << 0x10) | (point.G << 8)) | point.B);
break;
case DdsFileFormat.DDS_FORMAT_R5G6B5:
num15 = (uint)((((point.R >> 3) << 11) | ((point.G >> 2) << 5)) | (point.B >> 3));
break;
}
int num16 = (j * num12) + (k * num);
for (int m = 0; m < num; m++)
{
buffer[num16 + m] = (byte)((num15 >> (8 * m)) & 0xff);
}
}
if (progressCallback != null)
{
long num18 = (j + 1) * mipWidth;
long num19 = pixelsCompleted[mipLoop];
double num20 = (num18 + num19) / ((double)totalPixels);
progressCallback(this, new ProgressEventArgs(100.0 * num20));
}
}
}
output.Write(buffer, 0, buffer.GetLength(0));
mipWidth /= 2;
height /= 2;
num21 = mipLoop;
}
}
private bool AutoScrollIfNecessary(PointDouble position)
{
if (!this.autoScroll || !this.CanPan())
{
return(false);
}
RectDouble viewportCanvasBounds = this.CanvasView.ViewportCanvasBounds;
RectDouble canvasBounds = this.CanvasView.GetCanvasBounds();
double x = DoubleUtil.Lerp((viewportCanvasBounds.Left + viewportCanvasBounds.Right) / 2.0, position.X, 1.02);
PointDouble num3 = new PointDouble(x, DoubleUtil.Lerp((viewportCanvasBounds.Top + viewportCanvasBounds.Bottom) / 2.0, position.Y, 1.02));
double num15 = (num3.X < viewportCanvasBounds.Left) ? ((double)(-1)) : ((num3.X > viewportCanvasBounds.Right) ? ((double)1) : ((double)0));
double y = (num3.Y < viewportCanvasBounds.Top) ? ((double)(-1)) : ((num3.Y > viewportCanvasBounds.Bottom) ? ((double)1) : ((double)0));
VectorDouble vec = new VectorDouble(num15, y);
if (vec.IsCloseToZero())
{
return(false);
}
TimeSpan span = (TimeSpan)(DateTime.UtcNow - this.lastAutoScrollTime);
double num5 = DoubleUtil.Clamp(span.TotalSeconds, 0.0, 0.1);
if (DoubleUtil.IsCloseToZero(num5))
{
return(false);
}
double num6 = (double)AppSettings.Instance.Workspace.AutoScrollViewportPxPerSecond.Value;
VectorDouble viewportVec = (VectorDouble)((num5 * vec) * num6);
PointDouble viewportCanvasOffset = this.CanvasView.ViewportCanvasOffset;
VectorDouble num9 = this.CanvasView.ConvertViewportToCanvas(viewportVec);
double left = UIUtil.ScaleWidth((double)5.0);
double top = UIUtil.ScaleHeight((double)5.0);
ThicknessDouble num12 = new ThicknessDouble(left, top, left, top);
VectorDouble zero = VectorDouble.Zero;
if ((num9.X < 0.0) && (viewportCanvasBounds.Left > -num12.Left))
{
zero.X = Math.Max(num9.X, -(viewportCanvasBounds.Left + num12.Left));
}
if ((num9.Y < 0.0) && (viewportCanvasBounds.Top > -num12.Top))
{
zero.Y = Math.Max(num9.Y, -(viewportCanvasBounds.Top + num12.Top));
}
if ((num9.X > 0.0) && (viewportCanvasBounds.Right < (canvasBounds.Right + num12.Right)))
{
zero.X = Math.Min(num9.X, (canvasBounds.Right + num12.Right) - viewportCanvasBounds.Right);
}
if ((num9.Y > 0.0) && (viewportCanvasBounds.Bottom < (canvasBounds.Bottom + num12.Bottom)))
{
zero.Y = Math.Min(num9.Y, (canvasBounds.Bottom + num12.Bottom) - viewportCanvasBounds.Bottom);
}
if (zero.IsCloseToZero())
{
return(false);
}
PointDouble num14 = viewportCanvasOffset + zero;
this.ResetLastAutoScrollTime();
this.CanvasView.ViewportCanvasOffset = num14;
this.Update();
return(true);
}