public override void OnInitialize()
{
T dx = width().Divide(2.0).Subtract(m_quad.xn(1).Subtract(m_quad.xn(0)).Divide(2.0));
T dy = height().Divide(2.0).Subtract(m_quad.yn(2).Subtract(m_quad.yn(0)).Divide(2.0));
m_quad.AddXN(0, dx);
m_quad.AddYN(0, dy);
m_quad.AddXN(1, dx);
m_quad.AddYN(1, dy);
m_quad.AddXN(2, dx);
m_quad.AddYN(2, dy);
m_quad.AddXN(3, dx);
m_quad.AddYN(3, dy);
base.OnInitialize();
}
public override void OnDraw()
{
if (m_gamma.value().NotEqual(m_old_gamma))
{
m_gamma_lut.Gamma(m_gamma.value().ToDouble());
load_img(0, "spheres");
FormatRGB pixf_change_gamma = new FormatRGB(rbuf_img(0), new BlenderBGR());
//pixf_change_gamma.apply_gamma_dir(m_gamma_lut);
m_old_gamma = m_gamma.value();
}
#if SourceDepth24
pixfmt_alpha_blend_rgb pixf = new pixfmt_alpha_blend_rgb(rbuf_window(), new blender_bgr());
pixfmt_alpha_blend_rgb pixf_pre = new pixfmt_alpha_blend_rgb(rbuf_window(), new blender_bgr_pre());
#else
FormatRGBA pixf = new FormatRGBA(rbuf_window(), new BlenderBGRA());
FormatRGBA pixf_pre = new FormatRGBA(rbuf_window(), new BlenderPreMultBGRA());
#endif
FormatClippingProxy clippingProxy = new FormatClippingProxy(pixf);
FormatClippingProxy clippingProxy_pre = new FormatClippingProxy(pixf_pre);
clippingProxy.Clear(new RGBA_Doubles(1, 1, 1));
if (m_trans_type.cur_item() < 2)
{
// For the IAffineTransformMatrix<T> parallelogram transformations we
// calculate the 4-th (implicit) point of the parallelogram
m_quad.SetXN(3, m_quad.xn(0).Add(m_quad.xn(2).Subtract(m_quad.xn(1))));
m_quad.SetYN(3, m_quad.yn(0).Add(m_quad.yn(2).Subtract(m_quad.yn(1))));
}
//--------------------------
// Render the "quad" tool and controls
g_rasterizer.AddPath(m_quad);
Renderer <T> .RenderSolid(clippingProxy, g_rasterizer, g_scanline, new RGBA_Bytes(0, 0.3, 0.5, 0.1));
// Prepare the polygon to rasterize. Here we need to fill
// the destination (transformed) polygon.
g_rasterizer.SetVectorClipBox(0, 0, width().ToDouble(), height().ToDouble());
g_rasterizer.Reset();
int b = 0;
g_rasterizer.MoveToDbl(m_quad.xn(0).Subtract(b), m_quad.yn(0).Subtract(b));
g_rasterizer.LineToDbl(m_quad.xn(1).Add(b), m_quad.yn(1).Subtract(b));
g_rasterizer.LineToDbl(m_quad.xn(2).Add(b), m_quad.yn(2).Add(b));
g_rasterizer.LineToDbl(m_quad.xn(3).Subtract(b), m_quad.yn(3).Add(b));
//typedef agg::span_allocator<color_type> span_alloc_type;
SpanAllocator sa = new SpanAllocator();
ImageFilterBilinear <T> filter_kernel = new ImageFilterBilinear <T>();
ImageFilterLookUpTable <T> filter = new ImageFilterLookUpTable <T>(filter_kernel, true);
#if SourceDepth24
pixfmt_alpha_blend_rgb pixf_img = new pixfmt_alpha_blend_rgb(rbuf_img(0), new blender_bgr());
#else
FormatRGBA pixf_img = new FormatRGBA(rbuf_img(0), new BlenderBGRA());
#endif
RasterBufferAccessorClamp source = new RasterBufferAccessorClamp(pixf_img);
start_timer();
switch (m_trans_type.cur_item())
{
case 0:
{
/*
* agg::trans_affine tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
*
* typedef agg::span_interpolator_linear<agg::trans_affine> interpolator_type;
* interpolator_type interpolator(tr);
*
* typedef image_filter_2x2_type<source_type,
* interpolator_type> span_gen_type;
* span_gen_type sg(source, interpolator, filter);
* agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
*/
break;
}
case 1:
{
/*
* agg::trans_affine tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
*
* typedef agg::span_interpolator_linear<agg::trans_affine> interpolator_type;
* typedef image_resample_affine_type<source_type> span_gen_type;
*
* interpolator_type interpolator(tr);
* span_gen_type sg(source, interpolator, filter);
* sg.blur(m_blur.Value());
* agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
*/
break;
}
case 2:
{
/*
* agg::trans_perspective tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
* if(tr.is_valid())
* {
* typedef agg::span_interpolator_linear_subdiv<agg::trans_perspective> interpolator_type;
* interpolator_type interpolator(tr);
*
* typedef image_filter_2x2_type<source_type,
* interpolator_type> span_gen_type;
* span_gen_type sg(source, interpolator, filter);
* agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
* }
*/
break;
}
case 3:
{
/*
* agg::trans_perspective tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
* if(tr.is_valid())
* {
* typedef agg::span_interpolator_trans<agg::trans_perspective> interpolator_type;
* interpolator_type interpolator(tr);
*
* typedef image_filter_2x2_type<source_type,
* interpolator_type> span_gen_type;
* span_gen_type sg(source, interpolator, filter);
* agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
* }
*/
break;
}
case 4:
{
//typedef agg::span_interpolator_persp_lerp<> interpolator_type;
//typedef agg::span_subdiv_adaptor<interpolator_type> subdiv_adaptor_type;
SpanInterpolatorPerspLerp <T> interpolator = new SpanInterpolatorPerspLerp <T>(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
SpanSubDivAdaptor <T> subdiv_adaptor = new SpanSubDivAdaptor <T>(interpolator);
if (interpolator.IsValid())
{
#if SourceDepth24
span_image_resample_rgb sg = new span_image_resample_rgb(source, subdiv_adaptor, filter);
#else
span_image_resample_rgba <T> sg = new span_image_resample_rgba <T>(source, subdiv_adaptor, filter);
#endif
sg.Blur = m_blur.value().ToDouble();
Renderer <T> .GenerateAndRender(g_rasterizer, g_scanline, clippingProxy_pre, sa, sg);
}
break;
}
case 5:
{
/*
* typedef agg::span_interpolator_persp_exact<> interpolator_type;
* typedef agg::span_subdiv_adaptor<interpolator_type> subdiv_adaptor_type;
*
* interpolator_type interpolator(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
* subdiv_adaptor_type subdiv_adaptor(interpolator);
*
* if(interpolator.is_valid())
* {
* typedef image_resample_type<source_type,
* subdiv_adaptor_type> span_gen_type;
* span_gen_type sg(source, subdiv_adaptor, filter);
* sg.blur(m_blur.Value());
* agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
* }
*/
break;
}
}
double tm = elapsed_time();
//pixf.apply_gamma_inv(m_gamma_lut);
GsvText <T> t = new GsvText <T>();
t.SetFontSize(10.0);
ConvStroke <T> pt = new ConvStroke <T>(t);
pt.Width = M.New <T>(1.5);
string buf = string.Format("{0:F2} ms", tm);
t.StartPoint(10.0, 70.0);
t.Text = buf;
g_rasterizer.AddPath(pt);
Renderer <T> .RenderSolid(clippingProxy, g_rasterizer, g_scanline, new RGBA_Bytes(0, 0, 0));
//--------------------------
//m_trans_type.Render(g_rasterizer, g_scanline, clippingProxy);
//m_gamma.Render(g_rasterizer, g_scanline, clippingProxy);
//m_blur.Render(g_rasterizer, g_scanline, clippingProxy);
base.OnDraw();
}