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Made an experimental thumbnail ray tracer.

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This commit is contained in:
larsbrubaker 2015-04-19 20:15:40 -07:00
parent bcd67d4aa1
commit c76ca34eee
5 changed files with 333 additions and 49 deletions
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102
CustomWidgets/PartThumbnailWidget.cs
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@ -27,6 +27,8 @@ of the authors and should not be interpreted as representing official policies,
either expressed or implied, of the FreeBSD Project.
*/
//#define RENDER_RAYTRACED
using MatterHackers.Agg;
using MatterHackers.Agg.Image;
using MatterHackers.Agg.PlatformAbstract;
@ -37,10 +39,12 @@ using MatterHackers.MatterControl.PartPreviewWindow;
using MatterHackers.MatterControl.PrintQueue;
using MatterHackers.PolygonMesh;
using MatterHackers.PolygonMesh.Processors;
using MatterHackers.RayTracer;
using MatterHackers.VectorMath;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.IO;
namespace MatterHackers.MatterControl
@ -234,7 +238,11 @@ namespace MatterHackers.MatterControl
string stlHashCode = thumbnailWidget.PrintItem.FileHashCode.ToString();
#if RENDER_RAYTRACED
Point2D bigRenderSize = new Point2D(115, 115);
#else
Point2D bigRenderSize = new Point2D(460, 460);
#endif
ImageBuffer bigRender = LoadImageFromDisk(thumbnailWidget, stlHashCode, bigRenderSize);
if (bigRender == null)
{
@ -242,7 +250,14 @@ namespace MatterHackers.MatterControl
{
return;
}
List<MeshGroup> loadedMeshGroups = MeshFileIo.Load(thumbnailWidget.PrintItem.FileLocation);
#if RENDER_RAYTRACED
ThumbnailTracer tracer = new ThumbnailTracer(loadedMeshGroups, bigRenderSize.x, bigRenderSize.y);
tracer.DoTrace();
bigRender = tracer.destImage;
#else
thumbnailWidget.thumbnailImage = new ImageBuffer(thumbnailWidget.buildingThumbnailImage);
thumbnailWidget.thumbnailImage.NewGraphics2D().Clear(new RGBA_Bytes(255, 255, 255, 0));
@ -251,42 +266,37 @@ namespace MatterHackers.MatterControl
{
bigRender = new ImageBuffer(thumbnailWidget.noThumbnailImage);
}
#endif
// and save it to disk
string imageFileName = GetImageFileName(stlHashCode, bigRenderSize);
if (partExtension == ".png")
{
ImageIO.SaveImageData(imageFileName, bigRender);
}
else
{
ImageTgaIO.SaveImageData(imageFileName, bigRender);
}
}
switch (thumbnailWidget.Size)
ImageBuffer unScaledImage = new ImageBuffer(bigRender.Width, bigRender.Height, 32, new BlenderBGRA());
unScaledImage.NewGraphics2D().Render(bigRender, 0, 0);
// If the source image (the one we downloaded) is more than twice as big as our dest image.
while (unScaledImage.Width > Width * 2)
{
case ImageSizes.Size50x50:
{
ImageBuffer halfWay1 = new ImageBuffer(200, 200, 32, new BlenderBGRA());
halfWay1.NewGraphics2D().Clear(new RGBA_Bytes(255, 255, 255, 0));
halfWay1.NewGraphics2D().Render(bigRender, 0, 0, 0, (double)halfWay1.Width / bigRender.Width, (double)halfWay1.Height / bigRender.Height);
ImageBuffer halfWay2 = new ImageBuffer(100, 100, 32, new BlenderBGRA());
halfWay2.NewGraphics2D().Clear(new RGBA_Bytes(255, 255, 255, 0));
halfWay2.NewGraphics2D().Render(halfWay1, 0, 0, 0, (double)halfWay2.Width / halfWay1.Width, (double)halfWay2.Height / halfWay1.Height);
thumbnailWidget.thumbnailImage = new ImageBuffer((int)Width, (int)Height, 32, new BlenderBGRA());
thumbnailWidget.thumbnailImage.NewGraphics2D().Clear(new RGBA_Bytes(255, 255, 255, 0));
thumbnailWidget.thumbnailImage.NewGraphics2D().Render(halfWay2, 0, 0, 0, (double)thumbnailWidget.thumbnailImage.Width / halfWay2.Width, (double)thumbnailWidget.thumbnailImage.Height / halfWay2.Height);
}
break;
case ImageSizes.Size115x115:
{
ImageBuffer halfWay1 = new ImageBuffer(230, 230, 32, new BlenderBGRA());
halfWay1.NewGraphics2D().Clear(new RGBA_Bytes(255, 255, 255, 0));
halfWay1.NewGraphics2D().Render(bigRender, 0, 0, 0, (double)halfWay1.Width / bigRender.Width, (double)halfWay1.Height / bigRender.Height);
thumbnailWidget.thumbnailImage = new ImageBuffer((int)Width, (int)Height, 32, new BlenderBGRA());
thumbnailWidget.thumbnailImage.NewGraphics2D().Clear(new RGBA_Bytes(255, 255, 255, 0));
thumbnailWidget.thumbnailImage.NewGraphics2D().Render(halfWay1, 0, 0, 0, (double)thumbnailWidget.thumbnailImage.Width / halfWay1.Width, (double)thumbnailWidget.thumbnailImage.Height / halfWay1.Height);
}
break;
default:
throw new NotImplementedException();
// The image sampler we use is a 2x2 filter so we need to scale by a max of 1/2 if we want to get good results.
// So we scale as many times as we need to to get the Image to be the right size.
// If this were going to be a non-uniform scale we could do the x and y separatly to get better results.
ImageBuffer halfImage = new ImageBuffer(unScaledImage.Width / 2, unScaledImage.Height / 2, 32, new BlenderBGRA());
halfImage.NewGraphics2D().Render(unScaledImage, 0, 0, 0, halfImage.Width / (double)unScaledImage.Width, halfImage.Height / (double)unScaledImage.Height);
unScaledImage = halfImage;
}
thumbnailWidget.thumbnailImage = new ImageBuffer((int)Width, (int)Height, 32, new BlenderBGRA());
thumbnailWidget.thumbnailImage.NewGraphics2D().Clear(new RGBA_Bytes(255, 255, 255, 0));
thumbnailWidget.thumbnailImage.NewGraphics2D().Render(unScaledImage, 0, 0, 0, (double)thumbnailWidget.thumbnailImage.Width / unScaledImage.Width, (double)thumbnailWidget.thumbnailImage.Height / unScaledImage.Height);
UiThread.RunOnIdle(thumbnailWidget.EnsureImageUpdated);
}
}
@ -397,23 +407,6 @@ namespace MatterHackers.MatterControl
}
}
// and save it to disk
string imageFileName = GetFilenameForSize(stlHashCode, size);
string folderToSavePrintsTo = Path.GetDirectoryName(imageFileName);
if (!Directory.Exists(folderToSavePrintsTo))
{
Directory.CreateDirectory(folderToSavePrintsTo);
}
if (partExtension == ".png")
{
ImageIO.SaveImageData(imageFileName, tempImage);
}
else
{
ImageTgaIO.SaveImageData(imageFileName, tempImage);
}
// and give it back
return tempImage;
}
@ -421,6 +414,19 @@ namespace MatterHackers.MatterControl
return null;
}
private static string GetImageFileName(string stlHashCode, Point2D size)
{
string imageFileName = GetFilenameForSize(stlHashCode, size);
string folderToSavePrintsTo = Path.GetDirectoryName(imageFileName);
if (!Directory.Exists(folderToSavePrintsTo))
{
Directory.CreateDirectory(folderToSavePrintsTo);
}
return imageFileName;
}
private void createThumbnailWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
createThumbnailWorker = null;