static void Init()
{
Screen.ClearColor = 0x1e4e50ff;
Texture.DefaultMinFilter = TextureFilter.Nearest;
Texture.DefaultMagFilter = TextureFilter.Nearest;
var builder = new AtlasBuilder(1024);
//Pack a font
var font = new Font("Assets/NotoSans-Regular.ttf", FontCharSet.BasicLatin);
var size32 = new FontSize(font, 32);
builder.AddFont("font", size32, true);
//Pack a bunch of icons
builder.AddTiles("Assets/icons.png", 16, 16, true, true);
atlas = builder.Build(1);
if (atlas == null)
{
throw new Exception("Failed to build the atlas.");
}
icons = atlas.GetTiles("icons");
batch = new DrawBatch2D();
}
static void Init()
{
var font = new Font("Assets/NotoSans-Regular.ttf", FontCharSet.BasicLatin);
var size = new FontSize(font, 128f);
var builder = new AtlasBuilder(2048);
builder.AddBitmap("Assets/star.png", true, true);
builder.AddBitmap("Assets/face.png", true, true);
builder.AddBitmap("Assets/maritte.png", true, true);
builder.AddFont("font", size, true);
atlas = builder.Build(1);
if (atlas == null)
{
throw new Exception("Failed to build atlas.");
}
batch = new DrawBatch2D();
shader = new Shader(Shader.Basic2D);
view = new GuiView(shader, Screen.DrawWidth, Screen.DrawHeight, LayoutMode.Horizontal);
view.BackgroundColor = Color4.Grey;
view.Spacing = 16;
view.SetPadding(16);
var left = view.AddChild(new GuiContainer());
left.BackgroundColor = Color4.Black * 0.25f;
left.FlexX = left.FlexY = true;
left.Spacing = 16;
var right = view.AddChild(new GuiContainer());
right.BackgroundColor = Color4.Blue;
right.FlexX = right.FlexY = true;
var items = left.AddChild(new GuiContainer());
items.BackgroundColor = Color4.Black * 0.25f;
items.FlexX = items.FlexY = true;
items.Spacing = 1;
items.ScrollableY = true;
var padding = left.AddChild(new GuiContainer(100, 100, LayoutMode.Vertical));
padding.BackgroundColor = Color4.White * 0.25f;
padding.FlexX = true;
padding.FlexY = false;
for (int i = 0; i < 50; ++i)
{
var item = items.AddChild(new GuiElement(16, 40));
item.FlexY = false;
item.OnRender += b => b.DrawRect(item.RectX, item.RectY, item.RectW, item.RectH, Color4.Red);
}
Screen.ClearColor = Color4.Black;
Screen.OnResized += () => view.SetSize(Screen.DrawWidth, Screen.DrawHeight);
}
internal override void DoRender(DrawBatch2D batch)
{
if (Color.A > 0)
{
//TODO: dumb to be calculating the alignment stuff here, move to layout phase
var pos = new Rectangle(rect.X, rect.Y, texture.Width, texture.Height);
if (FillMode == FillMode.ShrinkOnly)
{
float s = Math.Min(1.0f, rect.W / pos.W);
s = Math.Min(s, rect.H / pos.H);
pos.W = (int)(pos.W * s);
pos.H = (int)(pos.H * s);
}
else if (FillMode == FillMode.MaintainAspectRatio)
{
float s = rect.W / pos.W;
s = Math.Min(s, rect.H / pos.H);
pos.W = (int)(pos.W * s);
pos.H = (int)(pos.H * s);
}
else if (FillMode == FillMode.StretchToFill)
{
pos.W = rect.W;
pos.H = rect.H;
}
else
{
throw new Exception("Unhandled fill mode.");
}
if (AlignX == AlignX.Center)
{
pos.X = (int)(rect.CenterX - (pos.W * 0.5f));
}
else if (AlignX == AlignX.Right)
{
pos.X = rect.MaxX - pos.W;
}
if (AlignY == AlignY.Center)
{
pos.Y = (int)(rect.CenterY - (pos.H * 0.5f));
}
else if (AlignY == AlignY.Bottom)
{
pos.Y = rect.MaxY - pos.H;
}
batch.DrawImage(texture, ref pos, Color);
}
base.DoRender(batch);
}
static void Init()
{
batch = new DrawBatch2D();
var bitmap = new Bitmap("Assets/ikenfell.png");
bitmap.Premultiply();
texture = new Texture2D(bitmap);
var time = Time.ClockMilliseconds;
poly = new Polygon();
var tri = new BitmapTriangulator();
tri.Triangulate(bitmap, 0.1f * Calc.Rad, 4f, poly);
Console.WriteLine("Time: {0} ms", Time.ClockMilliseconds - time);
Console.WriteLine("Points: {0}", poly.PointCount);
tris = new List <Triangle>();
var list = new List <Vector2>(poly.PointCount);
for (int i = 0; i < poly.PointCount; ++i)
{
list.Add(poly.GetPoint(i));
}
while (list.Count > 2)
{
for (int i = 0; i < list.Count - 2; ++i)
{
var a = list[i];
var b = list[(i + 1) % list.Count];
var c = list[(i + 2) % list.Count];
float side = (b.X - a.X) * (c.Y - a.Y) - (c.X - a.X) * (b.Y - a.Y);
if (side < 0f)
{
tris.Add(new Triangle(a, b, c));
list.RemoveAt(i + 1);
}
}
}
Console.WriteLine("Triangles: {0}", tris.Count);
Console.WriteLine("Bitmap Area: {0}", bitmap.Width * bitmap.Height);
Console.WriteLine("Convex Area: {0}", poly.GetArea());
}
internal override void DoRender(DrawBatch2D batch)
{
void RenderChildren()
{
foreach (var child in Children)
{
if (child.Enabled)
{
child.DoRender(batch);
}
}
}
if (BackgroundColor.A > 0)
{
batch.DrawRect(rect.X, rect.Y, rect.W, rect.H, BackgroundColor);
}
if (children.Count > 0)
{
//if (AlwaysClip || !rect.Equals(ref contentRect))
//Clip if your contents are larger than your size
if (AlwaysClip || !rect.Contains(ref contentRect))
{
//Make sure to retain the clip state as we enter/exit child containers
batch.PushClipRect(new RectangleI(rect.X, rect.Y, rect.W, rect.H));
RenderChildren();
batch.PopClipRect();
}
else
{
RenderChildren();
}
}
base.DoRender(batch);
}
internal virtual void DoRender(DrawBatch2D batch)
{
OnRender?.Invoke(batch);
}
internal override void DoRender(DrawBatch2D batch)
{
batch.DrawText(font, ref text, pos, Color);
base.DoRender(batch);
}
protected abstract void Render(DrawBatch2D batch, RectangleI handle);
internal override void DoRender(DrawBatch2D batch)
{
Render(batch, handle);
}
internal override void DoRender(DrawBatch2D batch)
{
batch.DrawRect(RectX, RectY, RectW, RectH, Color);
}
