private void GlRenderGrid(Graphics2DOpenGL graphics2DGl, Affine transform, double width)
{
graphics2DGl.PreRender();
GL.Begin(BeginMode.Triangles);
Vector2 gridOffset = gridCenterMm - gridSizeMm / 2;
if (gridSizeMm.x > 0 && gridSizeMm.y > 0)
{
grid.remove_all();
for (int y = 0; y <= gridSizeMm.y; y += 10)
{
Vector2 start = new Vector2(0, y) + gridOffset;
Vector2 end = new Vector2(gridSizeMm.x, y) + gridOffset;
transform.transform(ref start);
transform.transform(ref end);
graphics2DGl.DrawAALine(start, end, width, gridColor);
}
for (int x = 0; x <= gridSizeMm.x; x += 10)
{
Vector2 start = new Vector2(x, 0) + gridOffset;
Vector2 end = new Vector2(x, gridSizeMm.y) + gridOffset;
transform.transform(ref start);
transform.transform(ref end);
graphics2DGl.DrawAALine(start, end, width, gridColor);
}
}
GL.End();
graphics2DGl.PopOrthoProjection();
}
public void Render(Graphics2D graphics2D, GCodeRenderInfo renderInfo)
{
if (renderFeatures.Count > 0)
{
CreateFeaturesForLayerIfRequired(renderInfo.EndLayerIndex);
int featuresOnLayer = renderFeatures[renderInfo.EndLayerIndex].Count;
int endFeature = (int)(featuresOnLayer * renderInfo.FeatureToEndOnRatio0To1 + .5);
endFeature = Math.Max(0, Math.Min(endFeature, featuresOnLayer));
int startFeature = (int)(featuresOnLayer * renderInfo.FeatureToStartOnRatio0To1 + .5);
startFeature = Math.Max(0, Math.Min(startFeature, featuresOnLayer));
// try to make sure we always draw at least one feature
if (endFeature <= startFeature)
{
endFeature = Math.Min(startFeature + 1, featuresOnLayer);
}
if (startFeature >= endFeature)
{
// This can only happen if the start and end are set to the last feature
// Try to set the start feature to one from the end
startFeature = Math.Max(endFeature - 1, 0);
}
Graphics2DOpenGL graphics2DGl = graphics2D as Graphics2DOpenGL;
if (graphics2DGl != null)
{
graphics2DGl.PreRender(Color.White);
GL.Begin(BeginMode.Triangles);
int lastFeature = endFeature - 1;
for (int i = startFeature; i < endFeature; i++)
{
RenderFeatureBase feature = renderFeatures[renderInfo.EndLayerIndex][i];
if (feature != null)
{
feature.Render(graphics2DGl, renderInfo, highlightFeature: this.GCodeInspector && i == lastFeature);
}
}
GL.End();
graphics2DGl.PopOrthoProjection();
}
else
{
for (int i = startFeature; i < endFeature; i++)
{
RenderFeatureBase feature = renderFeatures[renderInfo.EndLayerIndex][i];
if (feature != null)
{
feature.Render(graphics2D, renderInfo);
}
}
}
}
}