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ImageRenderer: fix rendering of regions

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git-svn-id: https://triangle.svn.codeplex.com/svn@79627 0e2699bc-83d4-4a8f-98e7-55e24ab8c7a5
This commit is contained in:
SND\wo80_cp
2016-11-18 11:58:33 +00:00
parent b604134c15
commit 65f38fd8f2
1 changed files with 12 additions and 8 deletions
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Triangle.NET/Triangle.Rendering/GDI/ImageRenderer.cs
+12 -8
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@@ -7,10 +7,14 @@ namespace TriangleNet.Rendering.GDI
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;
using TriangleNet.Meshing;
/// <summary>
/// Enables rendering of polygons or meshes to a bitmap.
/// </summary>
public class ImageRenderer
{
ColorManager colors = ImageRenderer.LightScheme();
ColorManager colors = LightScheme();
public ColorManager ColorScheme
{
@@ -30,13 +34,13 @@ namespace TriangleNet.Rendering.GDI
/// <param name="file">The PNG filename.</param>
/// <param name="regions">Enable rendering of regions.</param>
/// <param name="points">Enable rendering of points.</param>
public static void Save(Mesh mesh, string file = null, int width = 800,
public static void Save(IMesh mesh, string file = null, int width = 800,
bool regions = false, bool points = true)
{
// Check file name
if (String.IsNullOrWhiteSpace(file))
if (string.IsNullOrWhiteSpace(file))
{
file = String.Format("mesh-{0}.png", DateTime.Now.ToString("yyyy-M-d-hh-mm-ss"));
file = string.Format("mesh-{0}.png", DateTime.Now.ToString("yyyy-M-d-hh-mm-ss"));
}
// Ensure .png extension.
@@ -56,7 +60,7 @@ namespace TriangleNet.Rendering.GDI
}
/// <summary>
/// Export the mesh to PNG format.
/// Renders the mesh to a bitmap.
/// </summary>
/// <param name="mesh">The current mesh.</param>
/// <param name="width">The desired width (pixel) of the image.</param>
@@ -65,7 +69,7 @@ namespace TriangleNet.Rendering.GDI
/// The width has to be at least 2 * sqrt(n), n the number of vertices.
/// Otherwise, an empty bitmap
/// </remarks>
public Bitmap Render(Mesh mesh, int width = 800)
public Bitmap Render(IMesh mesh, int width = 800)
{
Bitmap bitmap;
@@ -112,12 +116,12 @@ namespace TriangleNet.Rendering.GDI
return bitmap;
}
private int[] GetRegions(Mesh mesh)
private int[] GetRegions(IMesh mesh)
{
mesh.Renumber();
var labels = new int[mesh.Triangles.Count];
var regions = new HashSet<int>();
var regions = new SortedSet<int>();
foreach (var t in mesh.Triangles)
{