public void DrawSlicedImagePrimitive(Mesh imageMesh,
ImageGeometry imageGeometry, Rect rect, StyleRuleSet style, Vector offset)
{
this.SetImageMesh(imageMesh);
this.DrawSlicedImage(imageGeometry, Rect.Offset(rect, offset), style);
this.SetImageMesh(null);
}
public void DeleteImage()
{
if (_image == null)
{
return;
}
_image.Dispose();
_image = null;
}
/// <summary>
/// 添加一个图片元素
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ImageBtn_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
if (ofd.ShowDialog() == true)
{
string filename = ofd.FileName;
ImageGeometry ig = new ImageGeometry(new Vector2D(100, 100), filename);
this.drawingKernel.AddShape(ig);
}
}
public void DrawBoxModel(ImageGeometry imageGeometry, Rect rect, StyleRuleSet style)
{
GetBoxes(rect, style, out var borderBoxRect, out var paddingBoxRect, out var contentBoxRect);
this.DrawBackground(style, paddingBoxRect);
//Content
//Content-box
if (contentBoxRect.TopLeft.X < contentBoxRect.TopRight.X)//content should not be visible when contentBoxRect.TopLeft.X > contentBoxRect.TopRight.X
{
if (imageGeometry != null)
{
this.DrawImage(imageGeometry, contentBoxRect, style);
}
}
this.DrawBorder(style, borderBoxRect, paddingBoxRect);
this.DrawOutline(style, borderBoxRect);
this.DrawDebug(paddingBoxRect, contentBoxRect);
}
private void AddImage(ImageGeometry geometry, Point a, Point b, Point uv0, Point uv1, Color col)
{
if (MathEx.AmostZero(col.A))
{
return;
}
if (geometry.Texture == null)
{
geometry.SendToGPU();
}
//add a new draw command
DrawCommand cmd = new DrawCommand();
cmd.ClipRect = Rect.Big;
cmd.TextureData = geometry.Texture;
this.ImageMesh.CommandBuffer.Add(cmd);
this.ImageMesh.PrimReserve(6, 4);
this.AddImageRect(a, b, uv0, uv1, col);
}
/// <summary>
/// Draw an image Geometry and merge the result to the image mesh.
/// </summary>
public void DrawImage(ImageGeometry geometry, Rect rect, StyleRuleSet style)
{
Color tintColor = Color.White;//TODO define tint color, possibly as a style rule
if (geometry.Texture == null)
{
geometry.SendToGPU();
}
//TODO check if we need to add a new draw command
//add a new draw command
DrawCommand cmd = new DrawCommand();
cmd.ClipRect = Rect.Big;
cmd.TextureData = geometry.Texture;
this.ImageMesh.CommandBuffer.Add(cmd);
//construct and merge the mesh of this Path into ShapeMesh
var uvMin = new Point(0, 0);
var uvMax = new Point(1, 1);
this.ImageMesh.PrimReserve(6, 4);
this.AddImageRect(rect, uvMin, uvMax, tintColor);
}
public void CreateImage(PpmFile file)
{
_image = new ImageGeometry(file);
}
public void CreateImage(StorageFile file)
{
_image = new ImageGeometry(file);
}
/// <summary>
/// Draw an image content
/// </summary>
public void DrawSlicedImage(ImageGeometry geometry, Rect rect, StyleRuleSet style)
{
var(top, right, bottom, left) = style.BorderImageSlice;
Point uv0 = new Point(left / geometry.Image.Width, top / geometry.Image.Height);
Point uv1 = new Point(1 - right / geometry.Image.Width, 1 - bottom / geometry.Image.Height);
// | L | | R |
// ----a---b---c---+
// T | 1 | 2 | 3 |
// ----d---e---f---g
// | 4 | 5 | 6 |
// ----h---i---j---k
// B | 7 | 8 | 9 |
// ----+---l---m---n
var a = rect.TopLeft;
var b = a + new Vector(left, 0);
var c = rect.TopRight + new Vector(-right, 0);
var d = a + new Vector(0, top);
var e = b + new Vector(0, top);
var f = c + new Vector(0, top);
var g = f + new Vector(right, 0);
var h = rect.BottomLeft + new Vector(0, -bottom);
var i = h + new Vector(left, 0);
var j = rect.BottomRight + new Vector(-right, -bottom);
var k = j + new Vector(right, 0);
var l = i + new Vector(0, bottom);
var m = rect.BottomRight + new Vector(-right, 0);
var n = rect.BottomRight;
var uv_a = new Point(0, 0);
var uv_b = new Point(uv0.X, 0);
var uv_c = new Point(uv1.X, 0);
var uv_d = new Point(0, uv0.Y);
var uv_e = new Point(uv0.X, uv0.Y);
var uv_f = new Point(uv1.X, uv0.Y);
var uv_g = new Point(1, uv0.Y);
var uv_h = new Point(0, uv1.Y);
var uv_i = new Point(uv0.X, uv1.Y);
var uv_j = new Point(uv1.X, uv1.Y);
var uv_k = new Point(1, uv1.Y);
var uv_l = new Point(uv0.X, 1);
var uv_m = new Point(uv1.X, 1);
var uv_n = new Point(1, 1);
this.AddImage(geometry, a, e, uv_a, uv_e, Color.White); //1
this.AddImage(geometry, b, f, uv_b, uv_f, Color.White); //2
this.AddImage(geometry, c, g, uv_c, uv_g, Color.White); //3
this.AddImage(geometry, d, i, uv_d, uv_i, Color.White); //4
this.AddImage(geometry, e, j, uv_e, uv_j, Color.White); //5
this.AddImage(geometry, f, k, uv_f, uv_k, Color.White); //6
this.AddImage(geometry, h, l, uv_h, uv_l, Color.White); //7
this.AddImage(geometry, i, m, uv_i, uv_m, Color.White); //8
this.AddImage(geometry, j, n, uv_j, uv_n, Color.White); //9
}
