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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29using System.Collections.Generic;
30using System.Drawing;
31using System.Drawing.Imaging;
32using System.IO;
33using System.Reflection;
34using CSJ2K;
35using Nini.Config;
36using log4net;
37using Rednettle.Warp3D;
38using OpenMetaverse;
39using OpenMetaverse.Imaging;
40using OpenMetaverse.Rendering;
41using OpenMetaverse.StructuredData;
42using OpenSim.Framework;
43using OpenSim.Region.Framework.Interfaces;
44using OpenSim.Region.Framework.Scenes;
45using OpenSim.Region.Physics.Manager;
46using OpenSim.Services.Interfaces;
47
48using WarpRenderer = global::Warp3D.Warp3D;
49
50namespace OpenSim.Region.CoreModules.World.Warp3DMap
51{
52 public class Warp3DImageModule : IMapImageGenerator, INonSharedRegionModule
53 {
54 private static readonly UUID TEXTURE_METADATA_MAGIC = new UUID("802dc0e0-f080-4931-8b57-d1be8611c4f3");
55 private static readonly Color4 WATER_COLOR = new Color4(29, 72, 96, 216);
56
57 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
58
59 private Scene m_scene;
60 private IRendering m_primMesher;
61 private IConfigSource m_config;
62 private Dictionary<UUID, Color4> m_colors = new Dictionary<UUID, Color4>();
63 private bool m_useAntiAliasing = false; // TODO: Make this a config option
64 private bool m_Enabled = false;
65
66 private Bitmap lastImage = null;
67 private DateTime lastImageTime = DateTime.MinValue;
68
69 #region IRegionModule Members
70
71 public void Initialise(IConfigSource source)
72 {
73 m_config = source;
74
75 IConfig startupConfig = m_config.Configs["Startup"];
76 if (startupConfig.GetString("MapImageModule", "MapImageModule") != "Warp3DImageModule")
77 return;
78
79 m_Enabled = true;
80 }
81
82 public void AddRegion(Scene scene)
83 {
84 if (!m_Enabled)
85 return;
86
87 m_scene = scene;
88
89 List<string> renderers = RenderingLoader.ListRenderers(Util.ExecutingDirectory());
90 if (renderers.Count > 0)
91 m_log.Info("[MAPTILE]: Loaded prim mesher " + renderers[0]);
92 else
93 m_log.Info("[MAPTILE]: No prim mesher loaded, prim rendering will be disabled");
94
95 m_scene.RegisterModuleInterface<IMapImageGenerator>(this);
96 }
97
98 public void RegionLoaded(Scene scene)
99 {
100 }
101
102 public void RemoveRegion(Scene scene)
103 {
104 }
105
106 public void Close()
107 {
108 }
109
110 public string Name
111 {
112 get { return "Warp3DImageModule"; }
113 }
114
115 public Type ReplaceableInterface
116 {
117 get { return null; }
118 }
119
120 #endregion
121
122 #region IMapImageGenerator Members
123
124 public Bitmap CreateMapTile()
125 {
126 if ((DateTime.Now - lastImageTime).TotalSeconds < 3600)
127 {
128 return lastImage.Clone(new Rectangle(0, 0, 256, 256), lastImage.PixelFormat);
129 }
130
131 List<string> renderers = RenderingLoader.ListRenderers(Util.ExecutingDirectory());
132 if (renderers.Count > 0)
133 {
134 m_primMesher = RenderingLoader.LoadRenderer(renderers[0]);
135 }
136
137 Vector3 camPos = new Vector3(127.5f, 127.5f, 221.7025033688163f);
138 Viewport viewport = new Viewport(camPos, -Vector3.UnitZ, 1024f, 0.1f, (int)Constants.RegionSize, (int)Constants.RegionSize, (float)Constants.RegionSize, (float)Constants.RegionSize);
139 Bitmap tile = CreateMapTile(viewport, false);
140 m_primMesher = null;
141
142 lastImage = tile;
143 lastImageTime = DateTime.Now;
144 return lastImage.Clone(new Rectangle(0, 0, 256, 256), lastImage.PixelFormat);
145 }
146
147 public Bitmap CreateViewImage(Vector3 camPos, Vector3 camDir, float fov, int width, int height, bool useTextures)
148 {
149 Viewport viewport = new Viewport(camPos, camDir, fov, (float)Constants.RegionSize, 0.1f, width, height);
150 return CreateMapTile(viewport, useTextures);
151 }
152
153 public Bitmap CreateMapTile(Viewport viewport, bool useTextures)
154 {
155 bool drawPrimVolume = true;
156 bool textureTerrain = true;
157
158 try
159 {
160 IConfig startupConfig = m_config.Configs["Startup"];
161 drawPrimVolume = startupConfig.GetBoolean("DrawPrimOnMapTile", drawPrimVolume);
162 textureTerrain = startupConfig.GetBoolean("TextureOnMapTile", textureTerrain);
163 }
164 catch
165 {
166 m_log.Warn("[WARP 3D IMAGE MODULE]: Failed to load StartupConfig");
167 }
168
169 m_colors.Clear();
170
171 int width = viewport.Width;
172 int height = viewport.Height;
173
174 if (m_useAntiAliasing)
175 {
176 width *= 2;
177 height *= 2;
178 }
179
180 WarpRenderer renderer = new WarpRenderer();
181 renderer.CreateScene(width, height);
182 renderer.Scene.autoCalcNormals = false;
183
184 #region Camera
185
186 warp_Vector pos = ConvertVector(viewport.Position);
187 pos.z -= 0.001f; // Works around an issue with the Warp3D camera
188 warp_Vector lookat = warp_Vector.add(ConvertVector(viewport.Position), ConvertVector(viewport.LookDirection));
189
190 renderer.Scene.defaultCamera.setPos(pos);
191 renderer.Scene.defaultCamera.lookAt(lookat);
192
193 if (viewport.Orthographic)
194 {
195 renderer.Scene.defaultCamera.isOrthographic = true;
196 renderer.Scene.defaultCamera.orthoViewWidth = viewport.OrthoWindowWidth;
197 renderer.Scene.defaultCamera.orthoViewHeight = viewport.OrthoWindowHeight;
198 }
199 else
200 {
201 float fov = viewport.FieldOfView;
202 fov *= 1.75f; // FIXME: ???
203 renderer.Scene.defaultCamera.setFov(fov);
204 }
205
206 #endregion Camera
207
208 renderer.Scene.addLight("Light1", new warp_Light(new warp_Vector(1.0f, 0.5f, 1f), 0xffffff, 0, 320, 40));
209 renderer.Scene.addLight("Light2", new warp_Light(new warp_Vector(-1f, -1f, 1f), 0xffffff, 0, 100, 40));
210
211 CreateWater(renderer);
212 CreateTerrain(renderer, textureTerrain);
213 if (drawPrimVolume)
214 CreateAllPrims(renderer, useTextures);
215
216 renderer.Render();
217 Bitmap bitmap = renderer.Scene.getImage();
218
219 if (m_useAntiAliasing)
220 {
221 using (Bitmap origBitmap = bitmap)
222 bitmap = ImageUtils.ResizeImage(origBitmap, viewport.Width, viewport.Height);
223 }
224
225 return bitmap;
226 }
227
228 public byte[] WriteJpeg2000Image()
229 {
230 try
231 {
232 using (Bitmap mapbmp = CreateMapTile())
233 return OpenJPEG.EncodeFromImage(mapbmp, true);
234 }
235 catch (Exception e)
236 {
237 // JPEG2000 encoder failed
238 m_log.Error("[WARP 3D IMAGE MODULE]: Failed generating terrain map: ", e);
239 }
240
241 return null;
242 }
243
244 #endregion
245
246 #region Rendering Methods
247
248 private void CreateWater(WarpRenderer renderer)
249 {
250 float waterHeight = (float)m_scene.RegionInfo.RegionSettings.WaterHeight;
251
252 renderer.AddPlane("Water", 256f * 0.5f);
253 renderer.Scene.sceneobject("Water").setPos(127.5f, waterHeight, 127.5f);
254
255 renderer.AddMaterial("WaterColor", ConvertColor(WATER_COLOR));
256 renderer.Scene.material("WaterColor").setReflectivity(0); // match water color with standard map module thanks lkalif
257 renderer.Scene.material("WaterColor").setTransparency((byte)((1f - WATER_COLOR.A) * 255f));
258 renderer.SetObjectMaterial("Water", "WaterColor");
259 }
260
261 private void CreateTerrain(WarpRenderer renderer, bool textureTerrain)
262 {
263 ITerrainChannel terrain = m_scene.Heightmap;
264 float[] heightmap = terrain.GetFloatsSerialised();
265
266 warp_Object obj = new warp_Object(256 * 256, 255 * 255 * 2);
267
268 for (int y = 0; y < 256; y++)
269 {
270 for (int x = 0; x < 256; x++)
271 {
272 int v = y * 256 + x;
273 float height = heightmap[v];
274
275 warp_Vector pos = ConvertVector(new Vector3(x, y, height));
276 obj.addVertex(new warp_Vertex(pos, (float)x / 255f, (float)(255 - y) / 255f));
277 }
278 }
279
280 for (int y = 0; y < 256; y++)
281 {
282 for (int x = 0; x < 256; x++)
283 {
284 if (x < 255 && y < 255)
285 {
286 int v = y * 256 + x;
287
288 // Normal
289 Vector3 v1 = new Vector3(x, y, heightmap[y * 256 + x]);
290 Vector3 v2 = new Vector3(x + 1, y, heightmap[y * 256 + x + 1]);
291 Vector3 v3 = new Vector3(x, y + 1, heightmap[(y + 1) * 256 + x]);
292 warp_Vector norm = ConvertVector(SurfaceNormal(v1, v2, v3));
293 norm = norm.reverse();
294 obj.vertex(v).n = norm;
295
296 // Triangle 1
297 obj.addTriangle(
298 v,
299 v + 1,
300 v + 256);
301
302 // Triangle 2
303 obj.addTriangle(
304 v + 256 + 1,
305 v + 256,
306 v + 1);
307 }
308 }
309 }
310
311 renderer.Scene.addObject("Terrain", obj);
312
313 UUID[] textureIDs = new UUID[4];
314 float[] startHeights = new float[4];
315 float[] heightRanges = new float[4];
316
317 RegionSettings regionInfo = m_scene.RegionInfo.RegionSettings;
318
319 textureIDs[0] = regionInfo.TerrainTexture1;
320 textureIDs[1] = regionInfo.TerrainTexture2;
321 textureIDs[2] = regionInfo.TerrainTexture3;
322 textureIDs[3] = regionInfo.TerrainTexture4;
323
324 startHeights[0] = (float)regionInfo.Elevation1SW;
325 startHeights[1] = (float)regionInfo.Elevation1NW;
326 startHeights[2] = (float)regionInfo.Elevation1SE;
327 startHeights[3] = (float)regionInfo.Elevation1NE;
328
329 heightRanges[0] = (float)regionInfo.Elevation2SW;
330 heightRanges[1] = (float)regionInfo.Elevation2NW;
331 heightRanges[2] = (float)regionInfo.Elevation2SE;
332 heightRanges[3] = (float)regionInfo.Elevation2NE;
333
334 uint globalX, globalY;
335 Utils.LongToUInts(m_scene.RegionInfo.RegionHandle, out globalX, out globalY);
336
337 warp_Texture texture;
338
339 using (
340 Bitmap image
341 = TerrainSplat.Splat(
342 heightmap, textureIDs, startHeights, heightRanges,
343 new Vector3d(globalX, globalY, 0.0), m_scene.AssetService, textureTerrain))
344 {
345 texture = new warp_Texture(image);
346 }
347
348 warp_Material material = new warp_Material(texture);
349 material.setReflectivity(50);
350 renderer.Scene.addMaterial("TerrainColor", material);
351 renderer.Scene.material("TerrainColor").setReflectivity(0); // reduces tile seams a bit thanks lkalif
352 renderer.SetObjectMaterial("Terrain", "TerrainColor");
353 }
354
355 private void CreateAllPrims(WarpRenderer renderer, bool useTextures)
356 {
357 if (m_primMesher == null)
358 return;
359
360 m_scene.ForEachSOG(
361 delegate(SceneObjectGroup group)
362 {
363 CreatePrim(renderer, group.RootPart, useTextures);
364 foreach (SceneObjectPart child in group.Parts)
365 CreatePrim(renderer, child, useTextures);
366 }
367 );
368 }
369
370 private void CreatePrim(WarpRenderer renderer, SceneObjectPart prim,
371 bool useTextures)
372 {
373 const float MIN_SIZE = 2f;
374
375 if ((PCode)prim.Shape.PCode != PCode.Prim)
376 return;
377 if (prim.Scale.LengthSquared() < MIN_SIZE * MIN_SIZE)
378 return;
379
380 Primitive omvPrim = prim.Shape.ToOmvPrimitive(prim.OffsetPosition, prim.RotationOffset);
381 FacetedMesh renderMesh = m_primMesher.GenerateFacetedMesh(omvPrim, DetailLevel.Medium);
382 if (renderMesh == null)
383 return;
384
385 warp_Vector primPos = ConvertVector(prim.GetWorldPosition());
386 warp_Quaternion primRot = ConvertQuaternion(prim.RotationOffset);
387
388 warp_Matrix m = warp_Matrix.quaternionMatrix(primRot);
389
390 if (prim.ParentID != 0)
391 {
392 SceneObjectGroup group = m_scene.SceneGraph.GetGroupByPrim(prim.LocalId);
393 if (group != null)
394 m.transform(warp_Matrix.quaternionMatrix(ConvertQuaternion(group.RootPart.RotationOffset)));
395 }
396
397 warp_Vector primScale = ConvertVector(prim.Scale);
398
399 string primID = prim.UUID.ToString();
400
401 // Create the prim faces
402 // TODO: Implement the useTextures flag behavior
403 for (int i = 0; i < renderMesh.Faces.Count; i++)
404 {
405 Face face = renderMesh.Faces[i];
406 string meshName = primID + "-Face-" + i.ToString();
407
408 // Avoid adding duplicate meshes to the scene
409 if (renderer.Scene.objectData.ContainsKey(meshName))
410 {
411 continue;
412 }
413
414 warp_Object faceObj = new warp_Object(face.Vertices.Count, face.Indices.Count / 3);
415
416 for (int j = 0; j < face.Vertices.Count; j++)
417 {
418 Vertex v = face.Vertices[j];
419
420 warp_Vector pos = ConvertVector(v.Position);
421 warp_Vector norm = ConvertVector(v.Normal);
422
423 if (prim.Shape.SculptTexture == UUID.Zero)
424 norm = norm.reverse();
425 warp_Vertex vert = new warp_Vertex(pos, norm, v.TexCoord.X, v.TexCoord.Y);
426
427 faceObj.addVertex(vert);
428 }
429
430 for (int j = 0; j < face.Indices.Count; j += 3)
431 {
432 faceObj.addTriangle(
433 face.Indices[j + 0],
434 face.Indices[j + 1],
435 face.Indices[j + 2]);
436 }
437
438 Primitive.TextureEntryFace teFace = prim.Shape.Textures.GetFace((uint)i);
439 Color4 faceColor = GetFaceColor(teFace);
440 string materialName = GetOrCreateMaterial(renderer, faceColor);
441
442 faceObj.transform(m);
443 faceObj.setPos(primPos);
444 faceObj.scaleSelf(primScale.x, primScale.y, primScale.z);
445
446 renderer.Scene.addObject(meshName, faceObj);
447
448 renderer.SetObjectMaterial(meshName, materialName);
449 }
450 }
451
452 private Color4 GetFaceColor(Primitive.TextureEntryFace face)
453 {
454 Color4 color;
455
456 if (face.TextureID == UUID.Zero)
457 return face.RGBA;
458
459 if (!m_colors.TryGetValue(face.TextureID, out color))
460 {
461 bool fetched = false;
462
463 // Attempt to fetch the texture metadata
464 UUID metadataID = UUID.Combine(face.TextureID, TEXTURE_METADATA_MAGIC);
465 AssetBase metadata = m_scene.AssetService.GetCached(metadataID.ToString());
466 if (metadata != null)
467 {
468 OSDMap map = null;
469 try { map = OSDParser.Deserialize(metadata.Data) as OSDMap; } catch { }
470
471 if (map != null)
472 {
473 color = map["X-JPEG2000-RGBA"].AsColor4();
474 fetched = true;
475 }
476 }
477
478 if (!fetched)
479 {
480 // Fetch the texture, decode and get the average color,
481 // then save it to a temporary metadata asset
482 AssetBase textureAsset = m_scene.AssetService.Get(face.TextureID.ToString());
483 if (textureAsset != null)
484 {
485 int width, height;
486 color = GetAverageColor(textureAsset.FullID, textureAsset.Data, out width, out height);
487
488 OSDMap data = new OSDMap { { "X-JPEG2000-RGBA", OSD.FromColor4(color) } };
489 metadata = new AssetBase
490 {
491 Data = System.Text.Encoding.UTF8.GetBytes(OSDParser.SerializeJsonString(data)),
492 Description = "Metadata for JPEG2000 texture " + face.TextureID.ToString(),
493 Flags = AssetFlags.Collectable,
494 FullID = metadataID,
495 ID = metadataID.ToString(),
496 Local = true,
497 Temporary = true,
498 Name = String.Empty,
499 Type = (sbyte)AssetType.Unknown
500 };
501 m_scene.AssetService.Store(metadata);
502 }
503 else
504 {
505 color = new Color4(0.5f, 0.5f, 0.5f, 1.0f);
506 }
507 }
508
509 m_colors[face.TextureID] = color;
510 }
511
512 return color * face.RGBA;
513 }
514
515 private string GetOrCreateMaterial(WarpRenderer renderer, Color4 color)
516 {
517 string name = color.ToString();
518
519 warp_Material material = renderer.Scene.material(name);
520 if (material != null)
521 return name;
522
523 renderer.AddMaterial(name, ConvertColor(color));
524 if (color.A < 1f)
525 renderer.Scene.material(name).setTransparency((byte)((1f - color.A) * 255f));
526 return name;
527 }
528
529 #endregion Rendering Methods
530
531 #region Static Helpers
532
533 private static warp_Vector ConvertVector(Vector3 vector)
534 {
535 return new warp_Vector(vector.X, vector.Z, vector.Y);
536 }
537
538 private static warp_Quaternion ConvertQuaternion(Quaternion quat)
539 {
540 return new warp_Quaternion(quat.X, quat.Z, quat.Y, -quat.W);
541 }
542
543 private static int ConvertColor(Color4 color)
544 {
545 int c = warp_Color.getColor((byte)(color.R * 255f), (byte)(color.G * 255f), (byte)(color.B * 255f));
546 if (color.A < 1f)
547 c |= (byte)(color.A * 255f) << 24;
548
549 return c;
550 }
551
552 private static Vector3 SurfaceNormal(Vector3 c1, Vector3 c2, Vector3 c3)
553 {
554 Vector3 edge1 = new Vector3(c2.X - c1.X, c2.Y - c1.Y, c2.Z - c1.Z);
555 Vector3 edge2 = new Vector3(c3.X - c1.X, c3.Y - c1.Y, c3.Z - c1.Z);
556
557 Vector3 normal = Vector3.Cross(edge1, edge2);
558 normal.Normalize();
559
560 return normal;
561 }
562
563 public static Color4 GetAverageColor(UUID textureID, byte[] j2kData, out int width, out int height)
564 {
565 ulong r = 0;
566 ulong g = 0;
567 ulong b = 0;
568 ulong a = 0;
569
570 using (MemoryStream stream = new MemoryStream(j2kData))
571 {
572 try
573 {
574 int pixelBytes;
575
576 using (Bitmap bitmap = (Bitmap)J2kImage.FromStream(stream))
577 {
578 width = bitmap.Width;
579 height = bitmap.Height;
580
581 BitmapData bitmapData = bitmap.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, bitmap.PixelFormat);
582 pixelBytes = (bitmap.PixelFormat == PixelFormat.Format24bppRgb) ? 3 : 4;
583
584 // Sum up the individual channels
585 unsafe
586 {
587 if (pixelBytes == 4)
588 {
589 for (int y = 0; y < height; y++)
590 {
591 byte* row = (byte*)bitmapData.Scan0 + (y * bitmapData.Stride);
592
593 for (int x = 0; x < width; x++)
594 {
595 b += row[x * pixelBytes + 0];
596 g += row[x * pixelBytes + 1];
597 r += row[x * pixelBytes + 2];
598 a += row[x * pixelBytes + 3];
599 }
600 }
601 }
602 else
603 {
604 for (int y = 0; y < height; y++)
605 {
606 byte* row = (byte*)bitmapData.Scan0 + (y * bitmapData.Stride);
607
608 for (int x = 0; x < width; x++)
609 {
610 b += row[x * pixelBytes + 0];
611 g += row[x * pixelBytes + 1];
612 r += row[x * pixelBytes + 2];
613 }
614 }
615 }
616 }
617 }
618
619 // Get the averages for each channel
620 const decimal OO_255 = 1m / 255m;
621 decimal totalPixels = (decimal)(width * height);
622
623 decimal rm = ((decimal)r / totalPixels) * OO_255;
624 decimal gm = ((decimal)g / totalPixels) * OO_255;
625 decimal bm = ((decimal)b / totalPixels) * OO_255;
626 decimal am = ((decimal)a / totalPixels) * OO_255;
627
628 if (pixelBytes == 3)
629 am = 1m;
630
631 return new Color4((float)rm, (float)gm, (float)bm, (float)am);
632 }
633 catch (Exception ex)
634 {
635 m_log.WarnFormat(
636 "[WARP 3D IMAGE MODULE]: Error decoding JPEG2000 texture {0} ({1} bytes): {2}",
637 textureID, j2kData.Length, ex.Message);
638
639 width = 0;
640 height = 0;
641 return new Color4(0.5f, 0.5f, 0.5f, 1.0f);
642 }
643 }
644 }
645
646 #endregion Static Helpers
647 }
648
649 public static class ImageUtils
650 {
651 /// <summary>
652 /// Performs bilinear interpolation between four values
653 /// </summary>
654 /// <param name="v00">First, or top left value</param>
655 /// <param name="v01">Second, or top right value</param>
656 /// <param name="v10">Third, or bottom left value</param>
657 /// <param name="v11">Fourth, or bottom right value</param>
658 /// <param name="xPercent">Interpolation value on the X axis, between 0.0 and 1.0</param>
659 /// <param name="yPercent">Interpolation value on fht Y axis, between 0.0 and 1.0</param>
660 /// <returns>The bilinearly interpolated result</returns>
661 public static float Bilinear(float v00, float v01, float v10, float v11, float xPercent, float yPercent)
662 {
663 return Utils.Lerp(Utils.Lerp(v00, v01, xPercent), Utils.Lerp(v10, v11, xPercent), yPercent);
664 }
665
666 /// <summary>
667 /// Performs a high quality image resize
668 /// </summary>
669 /// <param name="image">Image to resize</param>
670 /// <param name="width">New width</param>
671 /// <param name="height">New height</param>
672 /// <returns>Resized image</returns>
673 public static Bitmap ResizeImage(Image image, int width, int height)
674 {
675 Bitmap result = new Bitmap(width, height);
676
677 using (Graphics graphics = Graphics.FromImage(result))
678 {
679 graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
680 graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
681 graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
682 graphics.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
683
684 graphics.DrawImage(image, 0, 0, result.Width, result.Height);
685 }
686
687 return result;
688 }
689 }
690}
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