internal ImageRenderer(ImageBuffer owner)
: base()
{
m_Owner = owner;
rasterizer_scanline_aa rasterizer = new rasterizer_scanline_aa();
ImageClippingProxy imageClippingProxy = new ImageClippingProxy(owner);
Initialize(imageClippingProxy, rasterizer);
ScanlineCache = new scanline_packed_8();
}
public RendererOpenGL(IPixelFormat PixelFormat, rasterizer_scanline_aa Rasterizer)
: base(PixelFormat, Rasterizer)
{
TextPath = new gsv_text();
StrockedText = new conv_stroke(TextPath);
}
public override void on_draw()
{
pixfmt_alpha_blend_rgb pf = new pixfmt_alpha_blend_rgb(rbuf_window(), new blender_bgr());
renderer_base ren_base = new renderer_base(pf);
ren_base.clear(new rgba(1.0, 1.0, 0.95));
renderer_scanline_aa_solid ren = new renderer_scanline_aa_solid(ren_base);
rasterizer_scanline_aa ras = new rasterizer_scanline_aa();
scanline_unpacked_8 sl = new scanline_unpacked_8();
path_storage path = new path_storage(new vertex_block_storage());
double x, y;
double curve_time = 0;
path.remove_all();
curve4 curve;
curve.approximation_method(curve_approximation_method_e(m_curve_type.cur_item()));
curve.approximation_scale(m_approximation_scale.value());
curve.angle_tolerance(deg2rad(m_angle_tolerance.value()));
curve.cusp_limit(deg2rad(m_cusp_limit.value()));
curve_time = measure_time(curve);
double max_angle_error_01 = 0;
double max_angle_error_1 = 0;
double max_angle_error1 = 0;
double max_angle_error_10 = 0;
double max_angle_error_100 = 0;
double max_error_01 = 0;
double max_error_1 = 0;
double max_error1 = 0;
double max_error_10 = 0;
double max_error_100 = 0;
max_error_01 = calc_max_error(curve, 0.01, &max_angle_error_01);
max_error_1 = calc_max_error(curve, 0.1, &max_angle_error_1);
max_error1 = calc_max_error(curve, 1, &max_angle_error1);
max_error_10 = calc_max_error(curve, 10, &max_angle_error_10);
max_error_100 = calc_max_error(curve, 100, &max_angle_error_100);
curve.approximation_scale(m_approximation_scale.value());
curve.angle_tolerance(deg2rad(m_angle_tolerance.value()));
curve.cusp_limit(deg2rad(m_cusp_limit.value()));
curve.init(m_curve1.x1(), m_curve1.y1(),
m_curve1.x2(), m_curve1.y2(),
m_curve1.x3(), m_curve1.y3(),
m_curve1.x4(), m_curve1.y4());
path.concat_path(curve);
//path.move_to(m_curve1.x1(), m_curve1.y1());
//path.line_to(m_curve1.x2(), m_curve1.y2());
//path.line_to(m_curve1.x3(), m_curve1.y3());
//path.line_to(m_curve1.x4(), m_curve1.y4());
conv_stroke stroke = new conv_stroke(path);
stroke.width(m_width.value());
stroke.line_join(line_join_e(m_line_join.cur_item()));
stroke.line_cap(line_cap_e(m_line_cap.cur_item()));
stroke.inner_join(inner_join_e(m_inner_join.cur_item()));
stroke.inner_miter_limit(1.01);
ras.add_path(stroke);
ren.color(rgba(0, 0.5, 0, 0.5));
render_scanlines(ras, sl, ren);
uint cmd;
uint num_points1 = 0;
path.rewind(0);
while (!is_stop(cmd = path.vertex(&x, &y)))
{
if (m_show_points.status())
{
Shape.Ellipse ell = new agg.Shape.Ellipse(x, y, 1.5, 1.5, 8);
ras.add_path(ell);
ren.color(rgba(0, 0, 0, 0.5));
render_scanlines(ras, sl, ren);
}
++num_points1;
}
if (m_show_outline.status())
{
// Draw a stroke of the stroke to see the internals
//--------------
conv_stroke stroke2 = new conv_stroke(stroke);
ras.add_path(stroke2);
ren.color(rgba(0, 0, 0, 0.5));
render_scanlines(ras, sl, ren);
}
// Check ellipse and arc for the number of points
//---------------
//ellipse a(100, 100, m_width.value(), m_width.value(), 0);
//ras.add_path(a);
//ren.color(rgba(0.5,0,0, 0.5));
//render_scanlines(ras, sl, ren);
//a.rewind(0);
//while(!is_stop(cmd = a.vertex(&x, &y)))
//{
// if(is_vertex(cmd))
// {
// ellipse ell(x, y, 1.5, 1.5, 8);
// ras.add_path(ell);
// ren.color(rgba(0,0,0,0.5));
// render_scanlines(ras, sl, ren);
// }
//}
// Check a circle with huge radius (10,000,000) and high approximation accuracy
//---------------
//double circle_pnt_count = 0;
//bezier_arc ell(0,0, 10000000, 10000000, 0, 2*pi);
//conv_curve<bezier_arc, curve3_div, curve4_div3> crv(ell);
//crv.approximation_scale(10.0);
//crv.rewind(0);
//while(crv.vertex(&x, &y)) ++circle_pnt_count;
string buf;
gsv_text t;
t.size(8.0);
conv_stroke pt = new conv_stroke(t);
pt.line_cap(round_cap);
pt.line_join(round_join);
pt.width(1.5);
/*
* sprintf(buf, "Num Points=%d Time=%.2fmks\n\n"
* " Dist Error: x0.01=%.5f x0.1=%.5f x1=%.5f x10=%.5f x100=%.5f\n\n"
* "Angle Error: x0.01=%.1f x0.1=%.1f x1=%.1f x10=%.1f x100=%.1f",
* num_points1, curve_time,
* max_error_01,
* max_error_1,
* max_error1,
* max_error_10,
* max_error_100,
* max_angle_error_01,
* max_angle_error_1,
* max_angle_error1,
* max_angle_error_10,
* max_angle_error_100);
*/
t.start_point(10.0, 85.0);
t.text(buf);
ras.add_path(pt);
ren.color(rgba(0, 0, 0));
render_scanlines(ras, sl, ren);
render_ctrl(ras, sl, ren_base, m_curve1);
render_ctrl(ras, sl, ren_base, m_angle_tolerance);
render_ctrl(ras, sl, ren_base, m_approximation_scale);
render_ctrl(ras, sl, ren_base, m_cusp_limit);
render_ctrl(ras, sl, ren_base, m_width);
render_ctrl(ras, sl, ren_base, m_show_points);
render_ctrl(ras, sl, ren_base, m_show_outline);
render_ctrl(ras, sl, ren_base, m_curve_type);
render_ctrl(ras, sl, ren_base, m_case_type);
render_ctrl(ras, sl, ren_base, m_inner_join);
render_ctrl(ras, sl, ren_base, m_line_join);
render_ctrl(ras, sl, ren_base, m_line_cap);
}
public void Initialize(IImage DestImage, rasterizer_scanline_aa Rasterizer)
{
m_DestImage = DestImage;
m_Rasterizer = Rasterizer;
}
public override void on_draw()
{
pixfmt_alpha_blend_rgb pf = new pixfmt_alpha_blend_rgb(rbuf_window(), new blender_bgr());
renderer_base ren_base = new renderer_base(pf);
ren_base.clear(new rgba(1.0, 1.0, 0.95));
renderer_scanline_aa_solid ren = new renderer_scanline_aa_solid(ren_base);
rasterizer_scanline_aa ras = new rasterizer_scanline_aa();
scanline_unpacked_8 sl = new scanline_unpacked_8();
path_storage path = new path_storage(new vertex_block_storage());
double x, y;
double curve_time = 0;
path.remove_all();
curve4 curve;
curve.approximation_method(curve_approximation_method_e(m_curve_type.cur_item()));
curve.approximation_scale(m_approximation_scale.value());
curve.angle_tolerance(deg2rad(m_angle_tolerance.value()));
curve.cusp_limit(deg2rad(m_cusp_limit.value()));
curve_time = measure_time(curve);
double max_angle_error_01 = 0;
double max_angle_error_1 = 0;
double max_angle_error1 = 0;
double max_angle_error_10 = 0;
double max_angle_error_100 = 0;
double max_error_01 = 0;
double max_error_1 = 0;
double max_error1 = 0;
double max_error_10 = 0;
double max_error_100 = 0;
max_error_01 = calc_max_error(curve, 0.01, &max_angle_error_01);
max_error_1 = calc_max_error(curve, 0.1, &max_angle_error_1);
max_error1 = calc_max_error(curve, 1, &max_angle_error1);
max_error_10 = calc_max_error(curve, 10, &max_angle_error_10);
max_error_100 = calc_max_error(curve, 100, &max_angle_error_100);
curve.approximation_scale(m_approximation_scale.value());
curve.angle_tolerance(deg2rad(m_angle_tolerance.value()));
curve.cusp_limit(deg2rad(m_cusp_limit.value()));
curve.init(m_curve1.x1(), m_curve1.y1(),
m_curve1.x2(), m_curve1.y2(),
m_curve1.x3(), m_curve1.y3(),
m_curve1.x4(), m_curve1.y4());
path.concat_path(curve);
//path.move_to(m_curve1.x1(), m_curve1.y1());
//path.line_to(m_curve1.x2(), m_curve1.y2());
//path.line_to(m_curve1.x3(), m_curve1.y3());
//path.line_to(m_curve1.x4(), m_curve1.y4());
conv_stroke stroke = new conv_stroke(path);
stroke.width(m_width.value());
stroke.line_join(line_join_e(m_line_join.cur_item()));
stroke.line_cap(line_cap_e(m_line_cap.cur_item()));
stroke.inner_join(inner_join_e(m_inner_join.cur_item()));
stroke.inner_miter_limit(1.01);
ras.add_path(stroke);
ren.color(rgba(0, 0.5, 0, 0.5));
render_scanlines(ras, sl, ren);
uint cmd;
uint num_points1 = 0;
path.rewind(0);
while(!is_stop(cmd = path.vertex(&x, &y)))
{
if(m_show_points.status())
{
Shape.Ellipse ell = new agg.Shape.Ellipse(x, y, 1.5, 1.5, 8);
ras.add_path(ell);
ren.color(rgba(0,0,0, 0.5));
render_scanlines(ras, sl, ren);
}
++num_points1;
}
if(m_show_outline.status())
{
// Draw a stroke of the stroke to see the internals
//--------------
conv_stroke stroke2 = new conv_stroke(stroke);
ras.add_path(stroke2);
ren.color(rgba(0,0,0, 0.5));
render_scanlines(ras, sl, ren);
}
// Check ellipse and arc for the number of points
//---------------
//ellipse a(100, 100, m_width.value(), m_width.value(), 0);
//ras.add_path(a);
//ren.color(rgba(0.5,0,0, 0.5));
//render_scanlines(ras, sl, ren);
//a.rewind(0);
//while(!is_stop(cmd = a.vertex(&x, &y)))
//{
// if(is_vertex(cmd))
// {
// ellipse ell(x, y, 1.5, 1.5, 8);
// ras.add_path(ell);
// ren.color(rgba(0,0,0,0.5));
// render_scanlines(ras, sl, ren);
// }
//}
// Check a circle with huge radius (10,000,000) and high approximation accuracy
//---------------
//double circle_pnt_count = 0;
//bezier_arc ell(0,0, 10000000, 10000000, 0, 2*pi);
//conv_curve<bezier_arc, curve3_div, curve4_div3> crv(ell);
//crv.approximation_scale(10.0);
//crv.rewind(0);
//while(crv.vertex(&x, &y)) ++circle_pnt_count;
string buf;
gsv_text t;
t.size(8.0);
conv_stroke pt = new conv_stroke(t);
pt.line_cap(round_cap);
pt.line_join(round_join);
pt.width(1.5);
/*
sprintf(buf, "Num Points=%d Time=%.2fmks\n\n"
" Dist Error: x0.01=%.5f x0.1=%.5f x1=%.5f x10=%.5f x100=%.5f\n\n"
"Angle Error: x0.01=%.1f x0.1=%.1f x1=%.1f x10=%.1f x100=%.1f",
num_points1, curve_time,
max_error_01,
max_error_1,
max_error1,
max_error_10,
max_error_100,
max_angle_error_01,
max_angle_error_1,
max_angle_error1,
max_angle_error_10,
max_angle_error_100);
*/
t.start_point(10.0, 85.0);
t.text(buf);
ras.add_path(pt);
ren.color(rgba(0,0,0));
render_scanlines(ras, sl, ren);
render_ctrl(ras, sl, ren_base, m_curve1);
render_ctrl(ras, sl, ren_base, m_angle_tolerance);
render_ctrl(ras, sl, ren_base, m_approximation_scale);
render_ctrl(ras, sl, ren_base, m_cusp_limit);
render_ctrl(ras, sl, ren_base, m_width);
render_ctrl(ras, sl, ren_base, m_show_points);
render_ctrl(ras, sl, ren_base, m_show_outline);
render_ctrl(ras, sl, ren_base, m_curve_type);
render_ctrl(ras, sl, ren_base, m_case_type);
render_ctrl(ras, sl, ren_base, m_inner_join);
render_ctrl(ras, sl, ren_base, m_line_join);
render_ctrl(ras, sl, ren_base, m_line_cap);
}
/*
* void draw_curve(Pattern patt, IRasterizer ras, Renderer ren, PatternSource src, IVertexSource vs)
* {
* patt.create(src);
* ren.scale_x(m_scale_x.value());
* ren.start_x(m_start_x.value());
* ras.add_path(vs);
* }
*/
public override void OnDraw()
{
#if SourceDepth24
FormatRGB pf = new FormatRGB(rbuf_window(), new BlenderBGR());
#else
FormatRGBA pf = new FormatRGBA(rbuf_window(), new BlenderBGRA());
#endif
FormatClippingProxy ren_base = new FormatClippingProxy(pf);
ren_base.clear(new RGBA_Doubles(1.0, 1.0, .95));
rasterizer_scanline_aa ras = new rasterizer_scanline_aa();
scanline_packed_8 sl = new scanline_packed_8();
// Pattern source. Must have an interface:
// width() const
// height() const
// pixel(int x, int y) const
// Any agg::renderer_base<> or derived
// is good for the use as a source.
//-----------------------------------
pattern_src_brightness_to_alpha_RGBA_Bytes p1 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(0));
pattern_src_brightness_to_alpha_RGBA_Bytes p2 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(1));
pattern_src_brightness_to_alpha_RGBA_Bytes p3 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(2));
pattern_src_brightness_to_alpha_RGBA_Bytes p4 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(3));
pattern_src_brightness_to_alpha_RGBA_Bytes p5 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(4));
pattern_src_brightness_to_alpha_RGBA_Bytes p6 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(5));
pattern_src_brightness_to_alpha_RGBA_Bytes p7 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(6));
pattern_src_brightness_to_alpha_RGBA_Bytes p8 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(7));
pattern_src_brightness_to_alpha_RGBA_Bytes p9 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(8));
//pattern_filter_bilinear_rgba
pattern_filter_bilinear_RGBA_Bytes fltr; // Filtering functor
// agg::line_image_pattern is the main container for the patterns. It creates
// a copy of the patterns extended according to the needs of the filter.
// agg::line_image_pattern can operate with arbitrary image width, but if the
// width of the pattern is power of 2, it's better to use the modified
// version agg::line_image_pattern_pow2 because it works about 15-25 percent
// faster than agg::line_image_pattern (because of using simple masking instead
// of expensive '%' operation).
//typedef agg::line_image_pattern<agg::pattern_filter_bilinear_RGBA_Bytes> pattern_type;
//typedef agg::renderer_base<pixfmt> base_ren_type;
//typedef agg::renderer_outline_image<base_ren_type, pattern_type> renderer_type;
//typedef agg::rasterizer_outline_aa<renderer_type> rasterizer_type;
//-- Create with specifying the source
//pattern_type patt(fltr, src);
//-- Create uninitialized and set the source
line_image_pattern patt = new line_image_pattern(new pattern_filter_bilinear_RGBA_Bytes());
//renderer_outline_image ren_img = new renderer_outline_image(, patt);
/*
* renderer_type ren_img(ren_base, patt);
* rasterizer_type ras_img(ren_img);
*
* draw_curve(patt, ras_img, ren_img, p1, m_curve1.curve());
* draw_curve(patt, ras_img, ren_img, p2, m_curve2.curve());
* draw_curve(patt, ras_img, ren_img, p3, m_curve3.curve());
* draw_curve(patt, ras_img, ren_img, p4, m_curve4.curve());
* draw_curve(patt, ras_img, ren_img, p5, m_curve5.curve());
* draw_curve(patt, ras_img, ren_img, p6, m_curve6.curve());
* draw_curve(patt, ras_img, ren_img, p7, m_curve7.curve());
* draw_curve(patt, ras_img, ren_img, p8, m_curve8.curve());
* draw_curve(patt, ras_img, ren_img, p9, m_curve9.curve());
*/
base.OnDraw();
}
public RendererBase(IImage DestImage, rasterizer_scanline_aa Rasterizer)
: this()
{
Initialize(DestImage, Rasterizer);
}
/*
void draw_curve(Pattern patt, IRasterizer ras, Renderer ren, PatternSource src, IVertexSource vs)
{
patt.create(src);
ren.scale_x(m_scale_x.value());
ren.start_x(m_start_x.value());
ras.add_path(vs);
}
*/
public override void OnDraw()
{
#if SourceDepth24
FormatRGB pf = new FormatRGB(rbuf_window(), new BlenderBGR());
#else
FormatRGBA pf = new FormatRGBA(rbuf_window(), new BlenderBGRA());
#endif
FormatClippingProxy ren_base = new FormatClippingProxy(pf);
ren_base.clear(new RGBA_Doubles(1.0, 1.0, .95));
rasterizer_scanline_aa ras = new rasterizer_scanline_aa();
scanline_packed_8 sl = new scanline_packed_8();
// Pattern source. Must have an interface:
// width() const
// height() const
// pixel(int x, int y) const
// Any agg::renderer_base<> or derived
// is good for the use as a source.
//-----------------------------------
pattern_src_brightness_to_alpha_RGBA_Bytes p1 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(0));
pattern_src_brightness_to_alpha_RGBA_Bytes p2 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(1));
pattern_src_brightness_to_alpha_RGBA_Bytes p3 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(2));
pattern_src_brightness_to_alpha_RGBA_Bytes p4 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(3));
pattern_src_brightness_to_alpha_RGBA_Bytes p5 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(4));
pattern_src_brightness_to_alpha_RGBA_Bytes p6 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(5));
pattern_src_brightness_to_alpha_RGBA_Bytes p7 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(6));
pattern_src_brightness_to_alpha_RGBA_Bytes p8 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(7));
pattern_src_brightness_to_alpha_RGBA_Bytes p9 = new pattern_src_brightness_to_alpha_RGBA_Bytes(rbuf_img(8));
//pattern_filter_bilinear_rgba
pattern_filter_bilinear_RGBA_Bytes fltr; // Filtering functor
// agg::line_image_pattern is the main container for the patterns. It creates
// a copy of the patterns extended according to the needs of the filter.
// agg::line_image_pattern can operate with arbitrary image width, but if the
// width of the pattern is power of 2, it's better to use the modified
// version agg::line_image_pattern_pow2 because it works about 15-25 percent
// faster than agg::line_image_pattern (because of using simple masking instead
// of expensive '%' operation).
//typedef agg::line_image_pattern<agg::pattern_filter_bilinear_RGBA_Bytes> pattern_type;
//typedef agg::renderer_base<pixfmt> base_ren_type;
//typedef agg::renderer_outline_image<base_ren_type, pattern_type> renderer_type;
//typedef agg::rasterizer_outline_aa<renderer_type> rasterizer_type;
//-- Create with specifying the source
//pattern_type patt(fltr, src);
//-- Create uninitialized and set the source
line_image_pattern patt = new line_image_pattern(new pattern_filter_bilinear_RGBA_Bytes());
//renderer_outline_image ren_img = new renderer_outline_image(, patt);
/*
renderer_type ren_img(ren_base, patt);
rasterizer_type ras_img(ren_img);
draw_curve(patt, ras_img, ren_img, p1, m_curve1.curve());
draw_curve(patt, ras_img, ren_img, p2, m_curve2.curve());
draw_curve(patt, ras_img, ren_img, p3, m_curve3.curve());
draw_curve(patt, ras_img, ren_img, p4, m_curve4.curve());
draw_curve(patt, ras_img, ren_img, p5, m_curve5.curve());
draw_curve(patt, ras_img, ren_img, p6, m_curve6.curve());
draw_curve(patt, ras_img, ren_img, p7, m_curve7.curve());
draw_curve(patt, ras_img, ren_img, p8, m_curve8.curve());
draw_curve(patt, ras_img, ren_img, p9, m_curve9.curve());
*/
base.OnDraw();
}
public override void OnDraw(RendererBase renderer)
{
GammaLookUpTable gamma = new GammaLookUpTable(m_gamma.value());
IBlender NormalBlender = new BlenderBGRA();
IBlender GammaBlender = new BlenderGammaBGRA(gamma);
ImageBuffer rasterNormal = new ImageBuffer(NewRenderer().DestImage, NormalBlender);
ImageBuffer rasterGamma = new ImageBuffer(NewRenderer().DestImage, GammaBlender);
ImageClippingProxy clippingProxyNormal = new ImageClippingProxy(rasterNormal);
ImageClippingProxy clippingProxyGamma = new ImageClippingProxy(rasterGamma);
clippingProxyNormal.clear(new RGBA_Doubles(0,0,0));
rasterizer_scanline_aa ras = new rasterizer_scanline_aa();
scanline_packed_8 sl = new scanline_packed_8();
VertexSource.Ellipse e = new VertexSource.Ellipse();
// TODO: If you drag the control circles below the bottom of the window we get an exception. This does not happen in AGG.
// It needs to be debugged. Turning on clipping fixes it. But standard agg works without clipping. Could be a bigger problem than this.
//ras.clip_box(0, 0, width(), height());
// Render two "control" circles
e.init(m_x[0], m_y[0], 3, 3, 16);
ras.add_path(e);
Renderer.RenderSolid(clippingProxyNormal, ras, sl, new RGBA_Bytes(127, 127, 127));
e.init(m_x[1], m_y[1], 3, 3, 16);
ras.add_path(e);
Renderer.RenderSolid(clippingProxyNormal, ras, sl, new RGBA_Bytes(127, 127, 127));
// Creating a rounded rectangle
VertexSource.RoundedRect r = new VertexSource.RoundedRect(m_x[0], m_y[0], m_x[1], m_y[1], 10);
r.normalize_radius();
// Drawing as an outline
conv_stroke p = new conv_stroke(r);
p.width(1.0);
ras.add_path(p);
//Renderer.RenderSolid(clippingProxyGamma, ras, sl, new RGBA_Bytes(0, 0, 0));
Renderer.RenderSolid(clippingProxyGamma, ras, sl, new RGBA_Bytes(255, 1, 1));
/*
int i;
// radial line test
//-------------------------
dashed_line<rasterizer_type,
renderer_scanline_type,
scanline_type> dash(ras, ren_sl, sl);
double cx = width() / 2.0;
double cy = height() / 2.0;
ren_sl.color(agg::rgba(1.0, 1.0, 1.0, 0.2));
for(i = 180; i > 0; i--)
{
double n = 2.0 * agg::pi * i / 180.0;
dash.draw(cx + min(cx, cy) * sin(n), cy + min(cx, cy) * cos(n),
cx, cy,
1.0, (i < 90) ? i : 0.0);
}
typedef agg::gradient_x gradient_func_type;
typedef agg::span_interpolator_linear<> interpolator_type;
typedef agg::span_allocator<color_type> span_allocator_type;
typedef agg::pod_auto_array<color_type, 256> color_array_type;
typedef agg::span_gradient<color_type,
interpolator_type,
gradient_func_type,
color_array_type> span_gradient_type;
typedef agg::renderer_scanline_aa<renderer_base_type,
span_allocator_type,
span_gradient_type> renderer_gradient_type;
gradient_func_type gradient_func; // The gradient function
agg::trans_affine gradient_mtx; // Affine transformer
interpolator_type span_interpolator(gradient_mtx); // Span interpolator
span_allocator_type span_allocator; // Span Allocator
color_array_type gradient_colors; // The gradient colors
span_gradient_type span_gradient(span_interpolator,
gradient_func,
gradient_colors,
0, 100);
renderer_gradient_type ren_gradient(ren_base, span_allocator, span_gradient);
dashed_line<rasterizer_type,
renderer_gradient_type,
scanline_type> dash_gradient(ras, ren_gradient, sl);
double x1, y1, x2, y2;
for(i = 1; i <= 20; i++)
{
ren_sl.color(agg::rgba(1,1,1));
// integral point sizes 1..20
//----------------
agg::ellipse ell;
ell.init(20 + i * (i + 1) + 0.5,
20.5,
i / 2.0,
i / 2.0,
8 + i);
ras.reset();
ras.add_path(ell);
agg::render_scanlines(ras, sl, ren_sl);
// fractional point sizes 0..2
//----------------
ell.init(18 + i * 4 + 0.5, 33 + 0.5,
i/20.0, i/20.0,
8);
ras.reset();
ras.add_path(ell);
agg::render_scanlines(ras, sl, ren_sl);
// fractional point positioning
//---------------
ell.init(18 + i * 4 + (i-1) / 10.0 + 0.5,
27 + (i - 1) / 10.0 + 0.5,
0.5, 0.5, 8);
ras.reset();
ras.add_path(ell);
agg::render_scanlines(ras, sl, ren_sl);
// integral line widths 1..20
//----------------
fill_color_array(gradient_colors,
agg::rgba(1,1,1),
agg::rgba(i % 2, (i % 3) * 0.5, (i % 5) * 0.25));
x1 = 20 + i* (i + 1);
y1 = 40.5;
x2 = 20 + i * (i + 1) + (i - 1) * 4;
y2 = 100.5;
calc_linear_gradient_transform(x1, y1, x2, y2, gradient_mtx);
dash_gradient.draw(x1, y1, x2, y2, i, 0);
fill_color_array(gradient_colors,
agg::rgba(1,0,0),
agg::rgba(0,0,1));
// fractional line lengths H (red/blue)
//----------------
x1 = 17.5 + i * 4;
y1 = 107;
x2 = 17.5 + i * 4 + i/6.66666667;
y2 = 107;
calc_linear_gradient_transform(x1, y1, x2, y2, gradient_mtx);
dash_gradient.draw(x1, y1, x2, y2, 1.0, 0);
// fractional line lengths V (red/blue)
//---------------
x1 = 18 + i * 4;
y1 = 112.5;
x2 = 18 + i * 4;
y2 = 112.5 + i / 6.66666667;
calc_linear_gradient_transform(x1, y1, x2, y2, gradient_mtx);
dash_gradient.draw(x1, y1, x2, y2, 1.0, 0);
// fractional line positioning (red)
//---------------
fill_color_array(gradient_colors,
agg::rgba(1,0,0),
agg::rgba(1,1,1));
x1 = 21.5;
y1 = 120 + (i - 1) * 3.1;
x2 = 52.5;
y2 = 120 + (i - 1) * 3.1;
calc_linear_gradient_transform(x1, y1, x2, y2, gradient_mtx);
dash_gradient.draw(x1, y1, x2, y2, 1.0, 0);
// fractional line width 2..0 (green)
fill_color_array(gradient_colors,
agg::rgba(0,1,0),
agg::rgba(1,1,1));
x1 = 52.5;
y1 = 118 + i * 3;
x2 = 83.5;
y2 = 118 + i * 3;
calc_linear_gradient_transform(x1, y1, x2, y2, gradient_mtx);
dash_gradient.draw(x1, y1, x2, y2, 2.0 - (i - 1) / 10.0, 0);
// stippled fractional width 2..0 (blue)
fill_color_array(gradient_colors,
agg::rgba(0,0,1),
agg::rgba(1,1,1));
x1 = 83.5;
y1 = 119 + i * 3;
x2 = 114.5;
y2 = 119 + i * 3;
calc_linear_gradient_transform(x1, y1, x2, y2, gradient_mtx);
dash_gradient.draw(x1, y1, x2, y2, 2.0 - (i - 1) / 10.0, 3.0);
ren_sl.color(agg::rgba(1,1,1));
if(i <= 10)
{
// integral line width, horz aligned (mipmap test)
//-------------------
dash.draw(125.5, 119.5 + (i + 2) * (i / 2.0),
135.5, 119.5 + (i + 2) * (i / 2.0),
i, 0.0);
}
// fractional line width 0..2, 1 px H
//-----------------
dash.draw(17.5 + i * 4, 192, 18.5 + i * 4, 192, i / 10.0, 0);
// fractional line positioning, 1 px H
//-----------------
dash.draw(17.5 + i * 4 + (i - 1) / 10.0, 186,
18.5 + i * 4 + (i - 1) / 10.0, 186,
1.0, 0);
}
// Triangles
//---------------
for (int i = 1; i <= 13; i++)
{
fill_color_array(gradient_colors,
agg::rgba(1,1,1),
agg::rgba(i % 2, (i % 3) * 0.5, (i % 5) * 0.25));
calc_linear_gradient_transform(width() - 150,
height() - 20 - i * (i + 1.5),
width() - 20,
height() - 20 - i * (i + 1),
gradient_mtx);
ras.reset();
ras.move_to_d(width() - 150, height() - 20 - i * (i + 1.5));
ras.line_to_d(width() - 20, height() - 20 - i * (i + 1));
ras.line_to_d(width() - 20, height() - 20 - i * (i + 2));
agg::render_scanlines(ras, sl, ren_gradient);
}
*/
base.OnDraw(renderer);
}
void DrawImage(IImage sourceImage,
double DestX, double DestY,
double HotspotOffsetX, double HotspotOffsetY,
double ScaleX, double ScaleY,
double AngleRad,
RGBA_Bytes Color32,
ref RectangleD pFinalBlitBounds,
bool doDrawing,
bool oneMinusSourceAlphaOne)
{
Affine destRectTransform = Affine.NewIdentity();
if (HotspotOffsetX != 0.0f || HotspotOffsetY != 0.0f)
{
destRectTransform *= Affine.NewTranslation(-HotspotOffsetX, -HotspotOffsetY);
}
if (ScaleX != 1 || ScaleY != 1)
{
destRectTransform *= Affine.NewScaling(ScaleX, ScaleY);
}
if (AngleRad != 0)
{
destRectTransform *= Affine.NewRotation(AngleRad);
}
if (DestX != 0 || DestY != 0)
{
destRectTransform *= Affine.NewTranslation(DestX, DestY);
}
int SourceBufferWidth = (int)sourceImage.Width();
int SourceBufferHeight = (int)sourceImage.Height();
RectPath.Clear();
RectPath.MoveTo(0, 0);
RectPath.LineTo(SourceBufferWidth, 0);
RectPath.LineTo(SourceBufferWidth, SourceBufferHeight);
RectPath.LineTo(0, SourceBufferHeight);
RectPath.ClosePolygon();
// Calculate the bounds. LBB [10/5/2004]
const int ERROR_ADD = 0;
double BoundXDouble, BoundYDouble;
BoundXDouble = 0; BoundYDouble = 0;
destRectTransform.Transform(ref BoundXDouble, ref BoundYDouble);
double BoundX = (double)BoundXDouble;
double BoundY = (double)BoundYDouble;
pFinalBlitBounds.Left = Math.Floor(BoundX - ERROR_ADD);
pFinalBlitBounds.Right = Math.Ceiling(BoundX + ERROR_ADD);
pFinalBlitBounds.Top = Math.Floor(BoundY - ERROR_ADD);
pFinalBlitBounds.Bottom = Math.Ceiling(BoundY + ERROR_ADD);
BoundXDouble = SourceBufferWidth; BoundYDouble = 0;
destRectTransform.Transform(ref BoundXDouble, ref BoundYDouble);
BoundX = (double)BoundXDouble;
BoundY = (double)BoundYDouble;
pFinalBlitBounds.Left = Math.Min((long)Math.Floor(BoundX - ERROR_ADD), pFinalBlitBounds.Left);
pFinalBlitBounds.Right = Math.Max((long)Math.Ceiling(BoundX + ERROR_ADD), pFinalBlitBounds.Right);
pFinalBlitBounds.Top = Math.Min((long)Math.Floor(BoundY - ERROR_ADD), pFinalBlitBounds.Top);
pFinalBlitBounds.Bottom = Math.Max((long)Math.Ceiling(BoundY + ERROR_ADD), pFinalBlitBounds.Bottom);
BoundXDouble = SourceBufferWidth; BoundYDouble = SourceBufferHeight;
destRectTransform.Transform(ref BoundXDouble, ref BoundYDouble);
BoundX = (double)BoundXDouble;
BoundY = (double)BoundYDouble;
pFinalBlitBounds.Left = Math.Min((long)Math.Floor(BoundX - ERROR_ADD), pFinalBlitBounds.Left);
pFinalBlitBounds.Right = Math.Max((long)Math.Ceiling(BoundX + ERROR_ADD), pFinalBlitBounds.Right);
pFinalBlitBounds.Top = Math.Min((long)Math.Floor(BoundY - ERROR_ADD), pFinalBlitBounds.Top);
pFinalBlitBounds.Bottom = Math.Max((long)Math.Ceiling(BoundY + ERROR_ADD), pFinalBlitBounds.Bottom);
BoundXDouble = 0; BoundYDouble = SourceBufferHeight;
destRectTransform.Transform(ref BoundXDouble, ref BoundYDouble);
BoundX = (double)BoundXDouble;
BoundY = (double)BoundYDouble;
pFinalBlitBounds.Left = Math.Min((long)Math.Floor(BoundX - ERROR_ADD), pFinalBlitBounds.Left);
pFinalBlitBounds.Right = Math.Max((long)Math.Ceiling(BoundX + ERROR_ADD), pFinalBlitBounds.Right);
pFinalBlitBounds.Top = Math.Min((long)Math.Floor(BoundY - ERROR_ADD), pFinalBlitBounds.Top);
pFinalBlitBounds.Bottom = Math.Max((long)Math.Ceiling(BoundY + ERROR_ADD), pFinalBlitBounds.Bottom);
if (!doDrawing)
{
return;
}
if (m_DestImage.OriginOffset.x != 0 || m_DestImage.OriginOffset.y != 0)
{
destRectTransform *= Affine.NewTranslation(-m_DestImage.OriginOffset.x, -m_DestImage.OriginOffset.y);
}
Affine 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_allocator spanAllocator = new span_allocator();
span_interpolator_linear interpolator = new span_interpolator_linear(sourceRectTransform);
ImageBuffer sourceImageWithBlender = (ImageBuffer)sourceImage;// new ImageBuffer(sourceImage, new BlenderBGRA());
span_image_filter_rgba_bilinear_clip spanImageFilter;
ImageBufferAccessorClip source = new ImageBufferAccessorClip(sourceImageWithBlender, RGBA_Doubles.rgba_pre(0, 0, 0, 0).GetAsRGBA_Bytes());
spanImageFilter = new span_image_filter_rgba_bilinear_clip(source, RGBA_Doubles.rgba_pre(0, 0, 0, 0), interpolator);
rasterizer_scanline_aa rasterizer = new rasterizer_scanline_aa();
rasterizer.SetVectorClipBox(0, 0, m_DestImage.Width(), m_DestImage.Height());
scanline_packed_8 scanlineCache = new scanline_packed_8();
//scanline_unpacked_8 scanlineCache = new scanline_unpacked_8();
conv_transform transfromedRect = new conv_transform(RectPath, destRectTransform);
rasterizer.add_path(transfromedRect);
#if false
bool HighQualityFilter = (BlitXParams.m_OptionalFlags & CBlitXParams::BlitHighQualityFilter) != 0
&& (BlitXParams.m_OptionalFlags & CBlitXParams::RenderOneMinusScrAlpha_One) == 0;
if (HighQualityFilter)
{
public Renderer(IImage destImage, rasterizer_scanline_aa rasterizer, IScanlineCache scanlineCache)
: base(destImage, rasterizer)
{
m_ScanlineCache = scanlineCache;
}
public RendererOpenGL(IPixelFormat PixelFormat, rasterizer_scanline_aa Rasterizer)
: base(PixelFormat, Rasterizer)
{
TextPath = new gsv_text();
StrockedText = new conv_stroke(TextPath);
}
