public void FillRectangle(Color color, Vector2 location, Vector2 size)
{
if (!Initialized)
{
return;
}
var col = (RawColor4)color;
GeometryBuffer.AppendVertices(
new Vertex(location.X, location.Y, col),
new Vertex(location.X + size.X, location.Y, col),
new Vertex(location.X, location.Y + size.Y, col),
new Vertex(location.X + size.X, location.Y + size.Y, col)
);
GeometryBuffer.AppendIndices(
1,
2,
3,
0,
1,
2
);
GeometryBuffer.SetupTexture(WhiteView);
GeometryBuffer.SetPrimitiveType(PrimitiveTopology.TriangleStrip);
GeometryBuffer.Trim();
}
public void Debug(GeometryBuffer buf)
{
var color = new RawColor4(1f, 1f, 1f, 1f);
buf.AppendVertices(
new Vertex(0f, 0f, color, 0f, 0f),
new Vertex(1024, 0f, color, 1f, 0f),
new Vertex(0f, 512, color, 0f, 1f),
new Vertex(1024, 512, color, 1f, 1f));
buf.AppendIndices(0, 1, 2, 1, 2, 3);
buf.SetupTexture(atlas.Resource);
buf.Trim();
}
public void DrawRectangle(Color color, Vector2 location, Vector2 size)
{
if (!Initialized)
{
return;
}
var col = (RawColor4)color;
GeometryBuffer.AppendVertices(
new Vertex(location.X, location.Y, col),
new Vertex(location.X + size.X, location.Y, col),
new Vertex(location.X, location.Y + size.Y, col),
new Vertex(location.X + size.X, location.Y + size.Y, col)
);
GeometryBuffer.AppendIndices(
// top left -> top right
0,
1,
// top right -> bottom right
1,
3,
// bottom right -> bottom left
3,
2,
// bottom left -> top left
2,
0
);
GeometryBuffer.SetupTexture(WhiteView);
GeometryBuffer.SetPrimitiveType(PrimitiveTopology.LineList);
GeometryBuffer.Trim();
}
public void DrawString(GeometryBuffer geometry_buffer, Vector2 location, RawColor4 color, string text,
TextAlignment halign = TextAlignment.Near, TextAlignment valign = TextAlignment.Near)
{
if (IsDisposed)
{
return;
}
List <float> line_widths;
float height;
MeasureString(text, out line_widths, out height);
if (line_widths.Count == 0 && text.Length == 0)
{
return;
}
float wide = 0f;
float space = Height * 0.35f;
float highest_char = 0f;
short vertex_offset = 0;
switch (halign)
{
case TextAlignment.Center:
wide = location.X - line_widths[0] / 2;
break;
case TextAlignment.Far:
wide = location.X - line_widths[0];
break;
default:
wide = location.X;
break;
}
switch (valign)
{
case TextAlignment.Center:
break;
location.Y -= height / 2;
case TextAlignment.Far:
location.Y -= height;
break;
}
foreach (var c in text)
{
if (c == ' ')
{
wide += space;
continue;
}
if (c == '\n')
{
height += highest_char == 0f ? Height : highest_char;
switch (halign)
{
case TextAlignment.Center:
wide = location.X - line_widths[0] / 2;
break;
case TextAlignment.Far:
wide = location.X - line_widths[0];
break;
default:
wide = location.X;
break;
}
}
Glyph glyph;
if (atlas.Glyphs.ContainsKey(c))
{
glyph = atlas.Glyphs[c];
}
else
{
glyph = atlas.Glyphs['?'];
}
geometry_buffer.AppendVertices(
new Vertex(wide, location.Y, color, glyph.UV[0].X, glyph.UV[0].Y),
new Vertex(wide + glyph.Size.Width, location.Y, color, glyph.UV[1].X, glyph.UV[0].Y),
new Vertex(wide, location.Y + glyph.Size.Height, color, glyph.UV[0].X, glyph.UV[1].Y),
new Vertex(wide + glyph.Size.Width, location.Y + glyph.Size.Height, color, glyph.UV[1].X,
glyph.UV[1].Y)
);
geometry_buffer.AppendIndices(
vertex_offset, (short)(vertex_offset + 1), (short)(vertex_offset + 2),
(short)(vertex_offset + 1), (short)(vertex_offset + 2), (short)(vertex_offset + 3)
);
vertex_offset += 4;
wide += glyph.Size.Width;
if (glyph.Size.Height > highest_char)
{
highest_char = glyph.Size.Height;
}
}
geometry_buffer.SetPrimitiveType(PrimitiveTopology.TriangleStrip);
geometry_buffer.SetupTexture(atlas.Resource);
geometry_buffer.Trim();
}
public void DrawString(GeometryBuffer geometry_buffer, Vector2 location, RawColor4 color, string text)
{
if (IsDisposed)
{
return;
}
float wide_pos = location.X;
float high_pos = location.Y;
float highest_char = 0f;
short vertex_offset = 0;
var space = Height * 0.35f;
foreach (var c in text)
{
if (c == ' ')
{
wide_pos += space;
continue;
}
if (c == '\n')
{
wide_pos = location.X;
high_pos += highest_char == 0f ? Height : highest_char;
highest_char = 0f;
continue;
}
Glyph glyph;
if (!atlas.Glyphs.ContainsKey(c))
{
glyph = atlas.Glyphs['?'];
}
else
{
glyph = atlas.Glyphs[c];
}
if (glyph.Size.Height > highest_char)
{
highest_char = glyph.Size.Height;
}
geometry_buffer.AppendVertices(
new Vertex(wide_pos, high_pos, color, glyph.UV[0].X, glyph.UV[0].Y),
new Vertex(wide_pos + glyph.Size.Width, high_pos, color, glyph.UV[1].X, glyph.UV[0].Y),
new Vertex(wide_pos, high_pos + glyph.Size.Height, color, glyph.UV[0].X, glyph.UV[1].Y),
new Vertex(wide_pos + glyph.Size.Width, high_pos + glyph.Size.Height, color, glyph.UV[1].X,
glyph.UV[1].Y)
);
geometry_buffer.AppendIndices(
vertex_offset, (short)(vertex_offset + 1), (short)(vertex_offset + 2),
(short)(vertex_offset + 1), (short)(vertex_offset + 2), (short)(vertex_offset + 3)
);
vertex_offset += 4;
wide_pos += glyph.Size.Width;
}
geometry_buffer.SetPrimitiveType(PrimitiveTopology.TriangleStrip);
geometry_buffer.SetupTexture(atlas.Resource);
geometry_buffer.Trim();
}