public span_image_filter_float(IImageBufferAccessorFloat src,
ISpanInterpolatorFloat interpolator, IImageFilterFunction filterFunction)
{
m_ImageBufferAccessor = src;
m_interpolator = interpolator;
m_filterFunction = filterFunction;
m_dx_dbl = (0.5f);
m_dy_dbl = (0.5f);
}
public void calculate(IImageFilterFunction filter, bool normalization)
{
double r = filter.radius();
realloc_lut(r);
int i;
int pivot = diameter() << ((int)image_subpixel_scale_e.image_subpixel_shift - 1);
for (i = 0; i < pivot; i++)
{
double x = (double)i / (double)image_subpixel_scale_e.image_subpixel_scale;
double y = filter.calc_weight(x);
m_weight_array.Array[pivot + i] =
m_weight_array.Array[pivot - i] = agg_basics.iround(y * (int)image_filter_scale_e.image_filter_scale);
}
int end = (diameter() << (int)image_subpixel_scale_e.image_subpixel_shift) - 1;
m_weight_array.Array[0] = m_weight_array.Array[end];
if (normalization)
{
normalize();
}
}
public void calculate(IImageFilterFunction filter, bool normalization)
{
double r = filter.radius();
realloc_lut(r);
int i;
int pivot = diameter() << ((int)image_subpixel_scale_e.image_subpixel_shift - 1);
for (i = 0; i < pivot; i++)
{
double x = (double)i / (double)image_subpixel_scale_e.image_subpixel_scale;
double y = filter.calc_weight(x);
m_weight_array.Array[pivot + i] =
m_weight_array.Array[pivot - i] = agg_basics.iround(y * (int)image_filter_scale_e.image_filter_scale);
}
int end = (diameter() << (int)image_subpixel_scale_e.image_subpixel_shift) - 1;
m_weight_array.Array[0] = m_weight_array.Array[end];
if (normalization)
{
normalize();
}
}
public void Calculate(IImageFilterFunction filter, bool normalization)
{
double r = filter.Radius;
ReallocateLookupTable(r);
uint i;
uint pivot = diameter() << ((int)EImageSubpixelScale.Shift - 1);
for (i = 0; i < pivot; i++)
{
double x = (double)i / (double)EImageSubpixelScale.Scale;
double y = filter.CalculateWeight(x);
m_weight_array.Array[pivot + i] =
m_weight_array.Array[pivot - i] = (short)Basics.Round(y * (int)EImageFilterScale.Scale);
}
uint end = (diameter() << (int)EImageSubpixelScale.Shift) - 1;
m_weight_array.Array[0] = m_weight_array.Array[end];
if (normalization)
{
Normalize();
}
}
public void Calculate(IImageFilterFunction <T> filter, bool normalization)
{
T r = filter.Radius();
ReAllocLut(r);
uint i;
uint pivot = Diameter() << ((int)SubPixelScale.Shift - 1);
for (i = 0; i < pivot; i++)
{
T x = M.New <T>(i).Divide((double)SubPixelScale.Scale);
T y = filter.CalcWeight(x);
m_weight_array.Array[pivot + i] =
m_weight_array.Array[pivot - i] = (short)Basics.RoundInt(y.Multiply((int)FilterScale.Scale));
}
uint end = (Diameter() << (int)SubPixelScale.Shift) - 1;
m_weight_array.Array[0] = m_weight_array.Array[end];
if (normalization)
{
Normalize();
}
}
public ImageFilterLookUpTable(IImageFilterFunction filter)
: this(filter, true)
{
}
public ImageFilterLookUpTable(IImageFilterFunction filter, bool normalization)
{
m_weight_array = new ArrayPOD<int>(256);
calculate(filter, normalization);
}
public void calculate(IImageFilterFunction filter)
{
calculate(filter, true);
}
public span_image_filter_float(IImageBufferAccessorFloat src,
ISpanInterpolatorFloat interpolator, IImageFilterFunction filterFunction)
{
m_ImageBufferAccessor = src;
m_interpolator = interpolator;
m_filterFunction = filterFunction;
m_dx_dbl = (0.5f);
m_dy_dbl = (0.5f);
}
public override void Render(IImageByte source,
double destX,
double destY,
double angleRadians,
double inScaleX,
double inScaleY)
{
Affine graphicsTransform = GetTransform();
// exit early if the dest and source bounds don't touch.
// TODO: <BUG> make this do rotation and scaling
RectangleInt sourceBounds = source.GetBounds();
RectangleInt destBounds = this.destImageByte.GetBounds();
sourceBounds.Offset((int)(destX + graphicsTransform.tx), (int)(destY + graphicsTransform.ty));
if (!RectangleInt.DoIntersect(sourceBounds, destBounds))
{
if (inScaleX != 1 || inScaleY != 1 || angleRadians != 0)
{
//throw new NotImplementedException();
}
//return;
}
double scaleX = inScaleX;
double scaleY = inScaleY;
if (!graphicsTransform.is_identity())
{
if (scaleX != 1 || scaleY != 1 || angleRadians != 0)
{
//throw new NotImplementedException();
}
graphicsTransform.transform(ref destX, ref destY);
}
#if false // this is an optimization that eliminates the drawing of images that have their alpha set to all 0 (happens with generated images like explosions).
MaxAlphaFrameProperty maxAlphaFrameProperty = MaxAlphaFrameProperty::GetMaxAlphaFrameProperty(source);
if ((maxAlphaFrameProperty.GetMaxAlpha() * color.A_Byte) / 256 <= ALPHA_CHANNEL_BITS_DIVISOR)
{
m_OutFinalBlitBounds.SetRect(0, 0, 0, 0);
}
#endif
bool isScaled = scaleX != 1 || scaleY != 1;
bool isRotated = true;
if (Math.Abs(angleRadians) < (0.1 * MathHelper.Tau / 360))
{
isRotated = false;
angleRadians = 0;
}
// bool IsMipped = false;
double sourceOriginOffsetX = source.OriginOffset.X;
double sourceOriginOffsetY = source.OriginOffset.Y;
bool canUseMipMaps = isScaled;
if (scaleX > 0.5 || scaleY > 0.5)
{
canUseMipMaps = false;
}
bool renderRequriesSourceSampling = isScaled || isRotated || destX != (int)destX || destY != (int)destY;
// this is the fast drawing path
if (renderRequriesSourceSampling)
{
#if false // if the scaling is small enough the results can be improved by using mip maps
if (CanUseMipMaps)
{
CMipMapFrameProperty *pMipMapFrameProperty = CMipMapFrameProperty::GetMipMapFrameProperty(source);
double OldScaleX = scaleX;
double OldScaleY = scaleY;
const CFrameInterface *pMippedFrame = pMipMapFrameProperty.GetMipMapFrame(ref scaleX, ref scaleY);
if (pMippedFrame != source)
{
IsMipped = true;
source = pMippedFrame;
sourceOriginOffsetX *= (OldScaleX / scaleX);
sourceOriginOffsetY *= (OldScaleY / scaleY);
}
HotspotOffsetX *= (inScaleX / scaleX);
HotspotOffsetY *= (inScaleY / scaleY);
}
#endif
switch (ImageRenderQuality)
{
case TransformQuality.Fastest:
{
DrawImageGetDestBounds(source, destX, destY, sourceOriginOffsetX, sourceOriginOffsetY, scaleX, scaleY, angleRadians, out Affine destRectTransform);
var sourceRectTransform = new Affine(destRectTransform);
// We invert it because it is the transform to make the image go to the same position as the polygon. LBB [2/24/2004]
sourceRectTransform.invert();
span_image_filter spanImageFilter;
var interpolator = new span_interpolator_linear(sourceRectTransform);
var sourceAccessor = new ImageBufferAccessorClip(source, ColorF.rgba_pre(0, 0, 0, 0).ToColor());
spanImageFilter = new span_image_filter_rgba_bilinear_clip(sourceAccessor, ColorF.rgba_pre(0, 0, 0, 0), interpolator);
DrawImage(spanImageFilter, destRectTransform);
}
break;
case TransformQuality.Best:
{
DrawImageGetDestBounds(source, destX, destY, sourceOriginOffsetX, sourceOriginOffsetY, scaleX, scaleY, angleRadians, out Affine destRectTransform);
var sourceRectTransform = new Affine(destRectTransform);
// We invert it because it is the transform to make the image go to the same position as the polygon. LBB [2/24/2004]
sourceRectTransform.invert();
var interpolator = new span_interpolator_linear(sourceRectTransform);
var sourceAccessor = new ImageBufferAccessorClip(source, ColorF.rgba_pre(0, 0, 0, 0).ToColor());
// spanImageFilter = new span_image_filter_rgba_bilinear_clip(sourceAccessor, RGBA_Floats.rgba_pre(0, 0, 0, 0), interpolator);
IImageFilterFunction filterFunction = null;
filterFunction = new image_filter_blackman(4);
var filter = new ImageFilterLookUpTable();
filter.calculate(filterFunction, true);
span_image_filter spanGenerator = new span_image_filter_rgba(sourceAccessor, interpolator, filter);
DrawImage(spanGenerator, destRectTransform);
}
break;
}
#if false // this is some debug you can enable to visualize the dest bounding box
LineFloat(BoundingRect.left, BoundingRect.top, BoundingRect.right, BoundingRect.top, WHITE);
LineFloat(BoundingRect.right, BoundingRect.top, BoundingRect.right, BoundingRect.bottom, WHITE);
LineFloat(BoundingRect.right, BoundingRect.bottom, BoundingRect.left, BoundingRect.bottom, WHITE);
LineFloat(BoundingRect.left, BoundingRect.bottom, BoundingRect.left, BoundingRect.top, WHITE);
#endif
}
else // TODO: this can be even faster if we do not use an intermediate buffer
{
DrawImageGetDestBounds(source, destX, destY, sourceOriginOffsetX, sourceOriginOffsetY, scaleX, scaleY, angleRadians, out Affine destRectTransform);
var sourceRectTransform = new Affine(destRectTransform);
// We invert it because it is the transform to make the image go to the same position as the polygon. LBB [2/24/2004]
sourceRectTransform.invert();
var interpolator = new span_interpolator_linear(sourceRectTransform);
var sourceAccessor = new ImageBufferAccessorClip(source, ColorF.rgba_pre(0, 0, 0, 0).ToColor());
span_image_filter spanImageFilter = null;
switch (source.BitDepth)
{
case 32:
spanImageFilter = new span_image_filter_rgba_nn_stepXby1(sourceAccessor, interpolator);
break;
case 24:
spanImageFilter = new span_image_filter_rgb_nn_stepXby1(sourceAccessor, interpolator);
break;
case 8:
spanImageFilter = new span_image_filter_gray_nn_stepXby1(sourceAccessor, interpolator);
break;
default:
throw new NotImplementedException();
}
// spanImageFilter = new span_image_filter_rgba_nn(sourceAccessor, interpolator);
DrawImage(spanImageFilter, destRectTransform);
DestImage.MarkImageChanged();
}
}
private void transform_image(double angle)
{
double width = m_TempDestImage.Width;
double height = m_TempDestImage.Height;
#if SourceDepthFloat
ImageClippingProxyFloat clippedDest = new ImageClippingProxyFloat(m_TempDestImage);
#else
ImageClippingProxy clippedDest = new ImageClippingProxy(m_TempDestImage);
#endif
clippedDest.clear(new ColorF(1.0, 1.0, 1.0));
Affine src_mtx = Affine.NewIdentity();
src_mtx *= Affine.NewTranslation(-width / 2.0, -height / 2.0);
src_mtx *= Affine.NewRotation(angle * Math.PI / 180.0);
src_mtx *= Affine.NewTranslation(width / 2.0, height / 2.0);
Affine img_mtx = new Affine(src_mtx);
img_mtx.invert();
double r = width;
if (height < r)
{
r = height;
}
r *= 0.5;
r -= 4.0;
VertexSource.Ellipse ell = new MatterHackers.Agg.VertexSource.Ellipse(width / 2.0, height / 2.0, r, r, 200);
VertexSourceApplyTransform tr = new VertexSourceApplyTransform(ell, src_mtx);
m_num_pix += r * r * Math.PI;
#if SourceDepthFloat
span_interpolator_linear_float interpolator = new span_interpolator_linear_float(img_mtx);
#else
span_interpolator_linear interpolator = new span_interpolator_linear(img_mtx);
#endif
ImageFilterLookUpTable filter = new ImageFilterLookUpTable();
bool norm = m_normalize.Checked;
#if SourceDepthFloat
ImageBufferAccessorClipFloat source = new ImageBufferAccessorClipFloat(m_RotatedImage, RGBA_Floats.rgba_pre(0, 0, 0, 0).ToColorF());
#else
ImageBufferAccessorClip source = new ImageBufferAccessorClip(m_RotatedImage, ColorF.rgba_pre(0, 0, 0, 0).ToColor());
#endif
IImageFilterFunction filterFunction = null;
ScanlineRenderer scanlineRenderer = new ScanlineRenderer();
switch (filterSelectionButtons.SelectedIndex)
{
case 0:
{
#if SourceDepthFloat
span_image_filter_float spanGenerator;
#else
span_image_filter spanGenerator;
#endif
switch (source.SourceImage.BitDepth)
{
case 24:
#if SourceDepthFloat
throw new NotImplementedException();
#else
spanGenerator = new span_image_filter_rgb_nn(source, interpolator);
#endif
break;
case 32:
#if SourceDepthFloat
throw new NotImplementedException();
#else
spanGenerator = new span_image_filter_rgba_nn(source, interpolator);
#endif
break;
default:
throw new NotImplementedException("only support 24 and 32 bit");
}
m_Rasterizer.add_path(tr);
scanlineRenderer.GenerateAndRender(m_Rasterizer, m_ScanlineUnpacked, clippedDest, m_SpanAllocator, spanGenerator);
}
break;
case 1:
{
#if SourceDepthFloat
span_image_filter_float spanGenerator;
#else
span_image_filter spanGenerator;
#endif
switch (source.SourceImage.BitDepth)
{
case 24:
#if SourceDepthFloat
throw new NotImplementedException();
#else
spanGenerator = new span_image_filter_rgb_bilinear(source, interpolator);
#endif
break;
case 32:
#if SourceDepthFloat
throw new NotImplementedException();
#else
spanGenerator = new span_image_filter_rgba_bilinear(source, interpolator);
#endif
break;
#if SourceDepthFloat
case 128:
spanGenerator = new span_image_filter_rgba_bilinear_float(source, interpolator);
break;
#endif
default:
throw new NotImplementedException("only support 24 and 32 bit");
}
m_Rasterizer.add_path(tr);
scanlineRenderer.GenerateAndRender(m_Rasterizer, m_ScanlineUnpacked, clippedDest, m_SpanAllocator, spanGenerator);
}
break;
case 5:
case 6:
case 7:
{
switch (filterSelectionButtons.SelectedIndex)
{
case 5: filter.calculate(new image_filter_hanning(), norm); break;
case 6: filter.calculate(new image_filter_hamming(), norm); break;
case 7: filter.calculate(new image_filter_hermite(), norm); break;
}
#if SourceDepthFloat
throw new NotImplementedException();
#else
span_image_filter_rgb_2x2 spanGenerator = new span_image_filter_rgb_2x2(source, interpolator, filter);
#endif
m_Rasterizer.add_path(tr);
#if SourceDepthFloat
throw new NotImplementedException();
#else
scanlineRenderer.GenerateAndRender(m_Rasterizer, m_ScanlineUnpacked, clippedDest, m_SpanAllocator, spanGenerator);
#endif
}
break;
case 2:
case 3:
case 4:
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
case 16:
{
switch (filterSelectionButtons.SelectedIndex)
{
case 2: filter.calculate(new image_filter_bicubic(), norm); break;
case 3: filter.calculate(new image_filter_spline16(), norm); break;
case 4: filter.calculate(new image_filter_spline36(), norm); break;
case 8: filter.calculate(new image_filter_kaiser(), norm); break;
case 9: filter.calculate(new image_filter_quadric(), norm); break;
case 10: filter.calculate(new image_filter_catrom(), norm); break;
case 11: filter.calculate(new image_filter_gaussian(), norm); break;
case 12: filter.calculate(new image_filter_bessel(), norm); break;
case 13: filter.calculate(new image_filter_mitchell(), norm); break;
case 14: filter.calculate(new image_filter_sinc(m_radius.Value), norm); break;
case 15: filter.calculate(new image_filter_lanczos(m_radius.Value), norm); break;
case 16:
filterFunction = new image_filter_blackman(m_radius.Value);
//filterFunction = new image_filter_bilinear();
filter.calculate(filterFunction, norm);
break;
}
#if SourceDepthFloat
span_image_filter_float spanGenerator;
#else
span_image_filter spanGenerator;
#endif
switch (source.SourceImage.BitDepth)
{
case 24:
#if SourceDepthFloat
throw new NotImplementedException();
#else
spanGenerator = new span_image_filter_rgb(source, interpolator, filter);
#endif
break;
case 32:
#if SourceDepthFloat
throw new NotImplementedException();
#else
spanGenerator = new span_image_filter_rgba(source, interpolator, filter);
#endif
break;
#if SourceDepthFloat
case 128:
spanGenerator = new span_image_filter_rgba_float(source, interpolator, filterFunction);
break;
#endif
default:
throw new NotImplementedException("only support 24 and 32 bit");
}
m_Rasterizer.add_path(tr);
scanlineRenderer.GenerateAndRender(m_Rasterizer, m_ScanlineUnpacked, clippedDest, m_SpanAllocator, spanGenerator);
}
break;
}
}
public ImageFilterLookUpTable(IImageFilterFunction filter)
: this(filter, true)
{
}
public ImageFilterLookUpTable(IImageFilterFunction filter, bool normalization)
{
m_weight_array = new ArrayPOD <short>(256);
Calculate(filter, normalization);
}
public void Calculate(IImageFilterFunction filter, bool normalization)
{
double r = filter.Radius;
ReallocateLookupTable(r);
uint i;
uint pivot = diameter() << ((int)EImageSubpixelScale.Shift - 1);
for (i = 0; i < pivot; i++)
{
double x = (double)i / (double)EImageSubpixelScale.Scale;
double y = filter.CalculateWeight(x);
m_weight_array.Array[pivot + i] =
m_weight_array.Array[pivot - i] = (short)Basics.Round(y * (int)EImageFilterScale.Scale);
}
uint end = (diameter() << (int)EImageSubpixelScale.Shift) - 1;
m_weight_array.Array[0] = m_weight_array.Array[end];
if (normalization)
{
Normalize();
}
}
public void Calculate(IImageFilterFunction filter)
{
Calculate(filter, true);
}
public void filterFunction(IImageFilterFunction v)
{
m_filterFunction = v;
}
public void filterFunction(IImageFilterFunction v)
{
m_filterFunction = v;
}
public span_image_filter_rgba_float(IImageBufferAccessorFloat src, ISpanInterpolatorFloat inter, IImageFilterFunction filterFunction)
: base(src, inter, filterFunction)
{
if (src.SourceImage.GetFloatsBetweenPixelsInclusive() != 4)
{
throw new System.NotSupportedException("span_image_filter_rgba must have a 32 bit DestImage");
}
}