void draw_aliased()
{
pixfmt pixf(rbuf_window());
renderer_base rb(pixf);
renderer_bin ren_bin(rb);
agg::path_storage path;
path.move_to(m_x[0] - 200, m_y[0]);
path.line_to(m_x[1] - 200, m_y[1]);
path.line_to(m_x[2] - 200, m_y[2]);
path.close_polygon();
ren_bin.color(agg::rgba(0.1, 0.5, 0.7, m_alpha.value()));
m_ras.gamma(agg::gamma_threshold(m_gamma.value()));
m_ras.add_path(path);
agg::render_scanlines(m_ras, m_sl_bin, ren_bin);
//-- Drawing an outline with subpixel accuracy (aliased)
//typedef agg::renderer_primitives<renderer_base> renderer_pr;
//renderer_pr ren_pr(rb);
//agg::rasterizer_outline<renderer_pr> ras_line(ren_pr);
//ren_pr.line_color(agg::rgba(0.0, 0.0, 0.0));
//ras_line.add_path(path);
}
the_application(agg::pix_format_e format, bool flip_y) :
agg::platform_support(format, flip_y),
m_feng(),
m_fman(m_feng),
m_poly1(6, 5.0),
m_poly2(6, 5.0),
m_num_points (5.0, 5.0, 340.0, 12.0, !flip_y),
m_fixed_len (350, 5.0, "Fixed Length", !flip_y),
m_preserve_x_scale(465, 5.0, "Preserve X scale", !flip_y),
m_animate (350, 25.0, "Animate", !flip_y),
m_prev_animate(false)
{
add_ctrl(m_fixed_len);
add_ctrl(m_preserve_x_scale);
add_ctrl(m_animate);
m_fixed_len.status(true);
m_preserve_x_scale.status(true);
m_num_points.range(10.0, 400.0);
m_num_points.value(200.0);
m_num_points.label("Number of intermediate Points = %.3f");
add_ctrl(m_num_points);
m_poly1.close(false);
m_poly2.close(false);
}
virtual void on_key(int x, int y, unsigned key, unsigned flags)
{
if(key == ' ')
{
agg::trans_affine mtx;
mtx *= agg::trans_affine_translation((m_min_x + m_max_x) * -0.5, (m_min_y + m_max_y) * -0.5);
mtx *= agg::trans_affine_scaling(m_scale.value());
mtx *= agg::trans_affine_rotation(agg::deg2rad(m_rotate.value()));
mtx *= agg::trans_affine_translation((m_min_x + m_max_x) * 0.5, (m_min_y + m_max_y) * 0.5);
mtx *= agg::trans_affine_translation(m_x, m_y);
double m[6];
mtx.store_to(m);
char buf[128];
sprintf(buf, "%3.3f, %3.3f, %3.3f, %3.3f, %3.3f, %3.3f",
m[0], m[1], m[2], m[3], m[4], m[5]);
message(buf);
FILE* fd = fopen("transform.txt", "a");
fprintf(fd, "%s\n", buf);
fclose(fd);
}
}
//------------------------------------------------------------------------
virtual void on_idle()
{
bool redraw = false;
if(m_rotate_polygon.status())
{
m_polygon_angle.value(m_polygon_angle.value() + 0.5);
if(m_polygon_angle.value() >= 180.0)
{
m_polygon_angle.value(m_polygon_angle.value() - 360.0);
}
redraw = true;
}
if(m_rotate_pattern.status())
{
m_pattern_angle.value(m_pattern_angle.value() - 0.5);
if(m_pattern_angle.value() <= -180.0)
{
m_pattern_angle.value(m_pattern_angle.value() + 360.0);
}
generate_pattern();
redraw = true;
}
if(redraw) force_redraw();
}
void on_idle()
{
if(m_run.status())
{
if(m_cur_angle < 360.0)
{
m_cur_angle += m_step.value();
copy_img_to_img(1, 0);
#ifdef AGG_ACCURATE_TIME
start_timer();
#endif
transform_image(m_step.value());
#ifdef AGG_ACCURATE_TIME
m_time2 += elapsed_time();
#endif
m_num_steps++;
}
else
{
m_cur_angle = 0.0;
#ifndef AGG_ACCURATE_TIME
m_time2 = clock();
#endif
wait_mode(true);
m_run.status(false);
}
force_redraw();
}
else
{
wait_mode(true);
}
}
//------------------------------------------------------------------------
virtual void on_mouse_button_down(int x, int y, unsigned flags) {
if (flags & agg::mouse_left) {
if (sqrt((x - m_image_cx) * (x - m_image_cx) +
(y - m_image_cy) * (y - m_image_cy)) < 5.0) {
m_dx = x - m_image_cx;
m_dy = y - m_image_cy;
m_flag = 1;
} else {
agg::rasterizer_scanline_aa<> ras;
agg::trans_affine polygon_mtx;
polygon_mtx *=
agg::trans_affine_translation(-m_polygon_cx, -m_polygon_cy);
polygon_mtx *= agg::trans_affine_rotation(m_polygon_angle.value() *
agg::pi / 180.0);
polygon_mtx *= agg::trans_affine_scaling(m_polygon_scale.value(),
m_polygon_scale.value());
polygon_mtx *=
agg::trans_affine_translation(m_polygon_cx, m_polygon_cy);
agg::path_storage ps;
create_star(ps);
agg::conv_transform<agg::path_storage> tr(ps, polygon_mtx);
ras.add_path(tr);
if (ras.hit_test(x, y)) {
m_dx = x - m_polygon_cx;
m_dy = y - m_polygon_cy;
m_flag = 2;
}
}
}
}
//------------------------------------------------------------------------
virtual void on_idle()
{
bool redraw = false;
if(m_rotate_polygon.status())
{
m_polygon_angle.value(m_polygon_angle.value() + 0.5);
if(m_polygon_angle.value() >= 180.0)
{
m_polygon_angle.value(m_polygon_angle.value() - 360.0);
}
redraw = true;
}
if(m_rotate_image.status())
{
m_image_angle.value(m_image_angle.value() + 0.5);
if(m_image_angle.value() >= 180.0)
{
m_image_angle.value(m_image_angle.value() - 360.0);
}
redraw = true;
}
if(redraw) force_redraw();
}
virtual void on_draw()
{
prim_pixfmt_type pixf(rbuf_window());
prim_ren_base_type rb(pixf);
rb.clear(agg::rgba8(255, 255, 255));
generate_color_ramp(m_ramp1,
agg::rgba(0, 0, 0, m_alpha_dst.value()),
agg::rgba(0, 0, 1, m_alpha_dst.value()),
agg::rgba(0, 1, 0, m_alpha_dst.value()),
agg::rgba(1, 0, 0, 0));
generate_color_ramp(m_ramp2,
agg::rgba(0, 0, 0, m_alpha_src.value()),
agg::rgba(0, 0, 1, m_alpha_src.value()),
agg::rgba(0, 1, 0, m_alpha_src.value()),
agg::rgba(1, 0, 0, 0));
render_scene(rb);
agg::renderer_scanline_aa_solid<prim_ren_base_type> ren(rb);
agg::render_ctrl_rs(m_ras, m_sl, ren, m_alpha_dst);
agg::render_ctrl_rs(m_ras, m_sl, ren, m_alpha_src);
agg::render_ctrl_rs(m_ras, m_sl, ren, m_comp_op);
}
the_application(agg::pix_format_e format, bool flip_y) :
agg::platform_support(format, flip_y),
m_quad1(4, 5.0),
m_quad2(4, 5.0),
m_trans_type(420, 5.0, 420+130.0, 145.0, !flip_y),
m_reset (350, 5.0, "Reset", !flip_y),
m_mul1 (5.0, 5.0, 340.0, 12.0, !flip_y),
m_mul2 (5.0, 20.0, 340.0, 27.0, !flip_y)
{
m_trans_type.add_item("Union");
m_trans_type.add_item("Intersection");
m_trans_type.add_item("Linear XOR");
m_trans_type.add_item("Saddle XOR");
m_trans_type.add_item("Abs Diff XOR");
m_trans_type.add_item("A-B");
m_trans_type.add_item("B-A");
m_trans_type.cur_item(0);
add_ctrl(m_trans_type);
add_ctrl(m_reset);
add_ctrl(m_mul1);
add_ctrl(m_mul2);
m_mul1.value(1.0);
m_mul2.value(1.0);
m_mul1.label("Opacity1=%.3f");
m_mul2.label("Opacity2=%.3f");
}
virtual void on_draw() {
agg::rasterizer_scanline_aa<> pf;
agg::scanline_p8 sl;
typedef agg::renderer_base<pixfmt> renderer_base;
pixfmt pixf(rbuf_window());
renderer_base rb(pixf);
rb.clear(agg::rgba(1, 1, 1));
agg::ellipse e1;
agg::conv_transform<agg::ellipse> t1(e1, trans_affine_resizing());
unsigned i;
unsigned n_drawn = 0;
for (i = 0; i < m_num_points; i++) {
double z = m_points[i].z;
double alpha = 1.0;
if (z < m_scale_ctrl_z.value1()) {
alpha = 1.0 - (m_scale_ctrl_z.value1() - z) *
m_slider_ctrl_sel.value() * 100.0;
}
if (z > m_scale_ctrl_z.value2()) {
alpha = 1.0 - (z - m_scale_ctrl_z.value2()) *
m_slider_ctrl_sel.value() * 100.0;
}
if (alpha > 1.0) alpha = 1.0;
if (alpha < 0.0) alpha = 0.0;
if (alpha > 0.0) {
e1.init(m_points[i].x, m_points[i].y, m_slider_ctrl_size.value() * 5.0,
m_slider_ctrl_size.value() * 5.0, 8);
pf.add_path(t1);
agg::render_scanlines_aa_solid(
pf, sl, rb, agg::rgba(m_points[i].color.r, m_points[i].color.g,
m_points[i].color.b, alpha));
n_drawn++;
}
}
agg::render_ctrl(pf, sl, rb, m_scale_ctrl_z);
agg::render_ctrl(pf, sl, rb, m_slider_ctrl_sel);
agg::render_ctrl(pf, sl, rb, m_slider_ctrl_size);
char buf[10];
sprintf(buf, "%08u", n_drawn);
agg::gsv_text txt;
txt.size(15.0);
txt.text(buf);
txt.start_point(10.0, initial_height() - 20.0);
agg::gsv_text_outline<> txt_o(txt, trans_affine_resizing());
pf.add_path(txt_o);
agg::render_scanlines_aa_solid(pf, sl, rb, agg::rgba(0, 0, 0));
}
the_application(agg::pix_format_e format, bool flip_y) :
agg::platform_support(format, flip_y),
m_alpha(5, 5, 320-5, 10+5, !flip_y)
{
m_alpha.label("Alpha=%1.0f");
m_alpha.range(0, 255);
m_alpha.value(255);
add_ctrl(m_alpha);
}
void draw_curve(Pattern& patt,
Rasterizer& ras,
Renderer& ren,
PatternSource& src,
VertexSource& vs)
{
patt.create(src);
ren.scale_x(m_scale_x.value());
ren.start_x(m_start_x.value());
ras.add_path(vs);
}
virtual void on_draw()
{
pixfmt pixf(rbuf_window());
renderer_base rb(pixf);
renderer_solid r(rb);
rb.clear(agg::rgba(1, 1, 1));
agg::trans_warp_magnifier lens;
lens.center(g_x1, g_y1);
lens.magnification(m_magn_slider.value());
lens.radius(m_radius_slider.value() / m_magn_slider.value());
agg::conv_segmentator<agg::path_storage> segm(g_path);
agg::trans_affine mtx;
mtx *= agg::trans_affine_translation(-g_base_dx, -g_base_dy);
mtx *= agg::trans_affine_rotation(g_angle + agg::pi);
mtx *= agg::trans_affine_translation(width()/2, height()/2);
agg::conv_transform<
agg::conv_segmentator<
agg::path_storage> > trans_mtx(segm, mtx);
agg::conv_transform<
agg::conv_transform<
agg::conv_segmentator<
agg::path_storage> >, agg::trans_warp_magnifier> trans_lens(trans_mtx, lens);
agg::render_all_paths(g_rasterizer, g_scanline, r, trans_lens, g_colors, g_path_idx, g_npaths);
agg::render_ctrl(g_rasterizer, g_scanline, rb, m_magn_slider);
agg::render_ctrl(g_rasterizer, g_scanline, rb, m_radius_slider);
// Testing inverse_transform()
//--------------------
//double x, y;
//for(y = 0; y < height(); y += 10)
//{
// for(x = 0; x < height(); x += 10)
// {
// double x2 = x+0.5;
// double y2 = y+0.5;
// lens.transform(&x2, &y2);
// lens.inverse_transform(&x2, &y2);
// agg::ellipse e(x2, y2, 1, 1);
// g_rasterizer.add_path(e);
// r.color(agg::rgba8(0,0,0));
// agg::render_scanlines(g_rasterizer, g_scanline, r);
// }
//}
}
virtual void on_idle()
{
unsigned i;
for(i = 0; i < m_num_points; i++)
{
m_points[i].x += random_dbl(0, m_slider_ctrl_sel.value()) - m_slider_ctrl_sel.value()*0.5;
m_points[i].y += random_dbl(0, m_slider_ctrl_sel.value()) - m_slider_ctrl_sel.value()*0.5;
m_points[i].z += random_dbl(0, m_slider_ctrl_sel.value()*0.01) - m_slider_ctrl_sel.value()*0.005;
if(m_points[i].z < 0.0) m_points[i].z = 0.0;
if(m_points[i].z > 1.0) m_points[i].z = 1.0;
}
force_redraw();
}
the_application(agg::pix_format_e format, bool flip_y) :
agg::platform_support(format, flip_y),
m_rotate(10, 3, "Rotate", !flip_y),
m_even_odd(60, 3, "Even-Odd", !flip_y),
m_draft(130, 3, "Draft", !flip_y),
m_roundoff(175, 3, "Roundoff", !flip_y),
m_angle_delta(10, 21, 250-10, 27, !flip_y),
m_redraw_flag(true)
{
m_angle_delta.label("Step=%4.3f degree");
g_attr[g_npaths++] = path_attributes(g_path.start_new_path(),
agg::rgba8(255, 255, 0),
agg::rgba8(0, 0, 0),
1.0);
g_path.concat_poly(g_poly_bulb, AGG_POLY_SIZE(g_poly_bulb), true);
g_attr[g_npaths++] = path_attributes(g_path.start_new_path(),
agg::rgba8(255, 255, 200),
agg::rgba8(90, 0, 0),
0.7);
g_path.concat_poly(g_poly_beam1, AGG_POLY_SIZE(g_poly_beam1), true);
g_path.concat_poly(g_poly_beam2, AGG_POLY_SIZE(g_poly_beam2), true);
g_path.concat_poly(g_poly_beam3, AGG_POLY_SIZE(g_poly_beam3), true);
g_path.concat_poly(g_poly_beam4, AGG_POLY_SIZE(g_poly_beam4), true);
g_attr[g_npaths++] = path_attributes(g_path.start_new_path(),
agg::rgba8(0, 0, 0),
agg::rgba8(0, 0, 0),
0.0);
g_path.concat_poly(g_poly_fig1, AGG_POLY_SIZE(g_poly_fig1), true);
g_path.concat_poly(g_poly_fig2, AGG_POLY_SIZE(g_poly_fig2), true);
g_path.concat_poly(g_poly_fig3, AGG_POLY_SIZE(g_poly_fig3), true);
g_path.concat_poly(g_poly_fig4, AGG_POLY_SIZE(g_poly_fig4), true);
g_path.concat_poly(g_poly_fig5, AGG_POLY_SIZE(g_poly_fig5), true);
g_path.concat_poly(g_poly_fig6, AGG_POLY_SIZE(g_poly_fig6), true);
m_rotate.text_size(7);
m_even_odd.text_size(7);
m_draft.text_size(7);
m_roundoff.text_size(7);
add_ctrl(m_rotate);
add_ctrl(m_even_odd);
add_ctrl(m_draft);
add_ctrl(m_roundoff);
add_ctrl(m_angle_delta);
m_angle_delta.value(0.01);
}
the_application(agg::pix_format_e format, bool flip_y) :
agg::platform_support(format, flip_y),
m_ctrl_color(agg::rgba(0, 0.3, 0.5, 0.3)),
m_line1(5),
m_scale_x(5.0, 5.0, 240.0, 12.0, !flip_y),
m_start_x(250.0, 5.0, 495.0, 12.0, !flip_y)
{
m_line1.line_color(m_ctrl_color);
m_line1.xn(0) = 20;
m_line1.yn(0) = 20;
m_line1.xn(1) = 500-20;
m_line1.yn(1) = 500-20;
m_line1.xn(2) = 500-60;
m_line1.yn(2) = 20;
m_line1.xn(3) = 40;
m_line1.yn(3) = 500-40;
m_line1.xn(4) = 100;
m_line1.yn(4) = 300;
m_line1.close(false);
add_ctrl(m_line1);
m_line1.transform(m_scale);
m_scale_x.label("Scale X=%.2f");
m_scale_x.range(0.2, 3.0);
m_scale_x.value(1.0);
add_ctrl(m_scale_x);
m_scale_x.no_transform();
m_start_x.label("Start X=%.2f");
m_start_x.range(0.0, 10.0);
m_start_x.value(0.0);
add_ctrl(m_start_x);
m_start_x.no_transform();
}
the_application(agg::pix_format_e format, bool flip_y) :
agg::platform_support(format, flip_y),
m_idx(-1),
m_gamma(130 + 10.0, 10.0 + 4.0, 130 + 150.0, 10.0 + 8.0 + 4.0, !flip_y),
m_alpha(130 + 150.0 + 10.0, 10.0 + 4.0, 500 - 10.0, 10.0 + 8.0 + 4.0, !flip_y),
m_test(130 + 10.0, 10.0 + 4.0 + 16.0, "Test Performance", !flip_y)
{
m_x[0] = 100 + 120; m_y[0] = 60;
m_x[1] = 369 + 120; m_y[1] = 170;
m_x[2] = 143 + 120; m_y[2] = 310;
add_ctrl(m_gamma);
m_gamma.range(0.0, 1.0);
m_gamma.value(0.5);
m_gamma.label("Gamma=%1.2f");
m_gamma.no_transform();
add_ctrl(m_alpha);
m_alpha.range(0.0, 1.0);
m_alpha.value(1.0);
m_alpha.label("Alpha=%1.2f");
m_alpha.no_transform();
add_ctrl(m_test);
m_test.no_transform();
}
the_application(agg::pix_format_e format, bool flip_y) :
agg::platform_support(format, flip_y),
m_idx(-1),
m_radius(10, 10, 600-10, 19, !flip_y),
m_gamma(10, 10+20, 600-10, 19+20, !flip_y),
m_offset(10, 10+40, 600-10, 19+40, !flip_y),
m_white_on_black(10, 10+60, "White on black")
{
m_x[0] = 100; m_y[0] = 100;
m_x[1] = 500; m_y[1] = 350;
add_ctrl(m_radius);
add_ctrl(m_gamma);
add_ctrl(m_offset);
add_ctrl(m_white_on_black);
m_gamma.label("gamma=%4.3f");
m_gamma.range(0.0, 3.0);
m_gamma.value(1.8);
m_radius.label("radius=%4.3f");
m_radius.range(0.0, 50.0);
m_radius.value(25.0);
m_offset.label("subpixel offset=%4.3f");
m_offset.range(-2.0, 3.0);
m_white_on_black.text_color(agg::rgba8(127, 127, 127));
m_white_on_black.inactive_color(agg::rgba8(127, 127, 127));
}
virtual void on_draw()
{
typedef agg::gamma_lut<agg::int8u, agg::int8u, 8, 8> gamma_lut_type;
typedef agg::pixfmt_bgr24_gamma<gamma_lut_type> pixfmt;
typedef agg::renderer_base<pixfmt> renderer_base;
typedef agg::renderer_scanline_aa_solid<renderer_base> renderer_solid;
gamma_lut_type gamma(m_gamma.value());
pixfmt pixf(rbuf_window(), gamma);
renderer_base rb(pixf);
renderer_solid ren(rb);
rb.clear(m_white_on_black.status() ? agg::rgba(0,0,0) : agg::rgba(1,1,1));
agg::rasterizer_scanline_aa<> ras;
agg::scanline_p8 sl;
agg::ellipse e;
// Render two "control" circles
ren.color(agg::rgba8(127,127,127));
e.init(m_x[0], m_y[0], 3, 3, 16);
ras.add_path(e);
agg::render_scanlines(ras, sl, ren);
e.init(m_x[1], m_y[1], 3, 3, 16);
ras.add_path(e);
agg::render_scanlines(ras, sl, ren);
double d = m_offset.value();
// Creating a rounded rectangle
agg::rounded_rect r(m_x[0]+d, m_y[0]+d, m_x[1]+d, m_y[1]+d, m_radius.value());
r.normalize_radius();
// Drawing as an outline
agg::conv_stroke<agg::rounded_rect> p(r);
p.width(1.0);
ras.add_path(p);
ren.color(m_white_on_black.status() ? agg::rgba(1,1,1) : agg::rgba(0,0,0));
agg::render_scanlines(ras, sl, ren);
ras.gamma(agg::gamma_none());
// Render the controls
agg::render_ctrl(ras, sl, rb, m_radius);
agg::render_ctrl(ras, sl, rb, m_gamma);
agg::render_ctrl(ras, sl, rb, m_offset);
agg::render_ctrl(ras, sl, rb, m_white_on_black);
}
the_application(agg::pix_format_e format, bool flip_y) :
agg::platform_support(format, flip_y),
m_width_slider(5, 5, 150, 12, !flip_y),
m_scanline(160, 5, "Use Scanline Rasterizer", !flip_y)
{
parse_lion();
add_ctrl(m_width_slider);
m_width_slider.no_transform();
m_width_slider.range(0.0, 4.0);
m_width_slider.value(1.0);
m_width_slider.label("Width %3.2f");
add_ctrl(m_scanline);
m_scanline.no_transform();
}
virtual void on_draw()
{
int width = rbuf_window().width();
int height = rbuf_window().height();
typedef agg::renderer_base<pixfmt> renderer_base;
typedef agg::renderer_scanline_aa_solid<renderer_base> renderer_solid;
pixfmt pixf(rbuf_window());
renderer_base rb(pixf);
renderer_solid r(rb);
rb.clear(agg::rgba(1,1,1));
agg::trans_affine mtx;
mtx *= agg::trans_affine_translation(-g_base_dx, -g_base_dy);
mtx *= agg::trans_affine_scaling(g_scale, g_scale);
mtx *= agg::trans_affine_rotation(g_angle + agg::pi);
mtx *= agg::trans_affine_skewing(g_skew_x/1000.0, g_skew_y/1000.0);
mtx *= agg::trans_affine_translation(width/2, height/2);
if(m_scanline.status())
{
agg::conv_stroke<agg::path_storage> stroke(g_path);
stroke.width(m_width_slider.value());
stroke.line_join(agg::round_join);
agg::conv_transform<agg::conv_stroke<agg::path_storage> > trans(stroke, mtx);
agg::render_all_paths(g_rasterizer, g_scanline, r, trans, g_colors, g_path_idx, g_npaths);
}
else
{
typedef agg::renderer_outline_aa<renderer_base> renderer_type;
typedef agg::rasterizer_outline_aa<renderer_type> rasterizer_type;
double w = m_width_slider.value() * mtx.scale();
agg::line_profile_aa profile(w, agg::gamma_none());
renderer_type ren(rb, profile);
rasterizer_type ras(ren);
agg::conv_transform<agg::path_storage> trans(g_path, mtx);
ras.render_all_paths(trans, g_colors, g_path_idx, g_npaths);
}
agg::render_ctrl(g_rasterizer, g_scanline, rb, m_width_slider);
agg::render_ctrl(g_rasterizer, g_scanline, rb, m_scanline);
}
virtual void on_draw()
{
typedef agg::pixfmt_bgra32 pixfmt;
typedef agg::renderer_base<pixfmt> renderer_base;
typedef agg::renderer_scanline_aa_solid<renderer_base> renderer_solid;
pixfmt pixf(rbuf_window());
renderer_base rb(pixf);
renderer_solid ren(rb);
rb.clear(agg::rgba(1,1,1));
agg::rasterizer_scanline_aa<> ras;
agg::scanline_p8 sl;
agg::trans_affine mtx;
ras.gamma(agg::gamma_power(m_gamma.value()));
mtx *= agg::trans_affine_translation((m_min_x + m_max_x) * -0.5, (m_min_y + m_max_y) * -0.5);
mtx *= agg::trans_affine_scaling(m_scale.value());
mtx *= agg::trans_affine_rotation(agg::deg2rad(m_rotate.value()));
mtx *= agg::trans_affine_translation((m_min_x + m_max_x) * 0.5 + m_x, (m_min_y + m_max_y) * 0.5 + m_y + 30);
m_path.expand(m_expand.value());
m_path.render(ras, sl, ren, mtx, rb.clip_box(), 1.0);
ras.gamma(agg::gamma_none());
agg::render_ctrl(ras, sl, ren, m_expand);
agg::render_ctrl(ras, sl, ren, m_gamma);
agg::render_ctrl(ras, sl, ren, m_scale);
agg::render_ctrl(ras, sl, ren, m_rotate);
//agg::gamma_lut<> gl(m_gamma.value());
//unsigned x, y;
//unsigned w = unsigned(width());
//unsigned h = unsigned(height());
//for(y = 0; y < h; y++)
//{
// for(x = 0; x < w; x++)
// {
// agg::rgba8 c = rb.pixel(x, y);
// c.r = gl.inv(c.r);
// c.g = gl.inv(c.g);
// c.b = gl.inv(c.b);
// rb.copy_pixel(x, y, c);
// }
//}
}
the_application(agg::pix_format_e format, bool flip_y) :
agg::platform_support(format, flip_y),
m_ctrl_color(agg::rgba(0, 0.3, 0.5, 0.3)),
m_scale_x(5.0, 5.0, 240.0, 12.0, !flip_y),
m_start_x(250.0, 5.0, 495.0, 12.0, !flip_y)
{
m_curve1.line_color(m_ctrl_color);
m_curve2.line_color(m_ctrl_color);
m_curve3.line_color(m_ctrl_color);
m_curve4.line_color(m_ctrl_color);
m_curve5.line_color(m_ctrl_color);
m_curve6.line_color(m_ctrl_color);
m_curve7.line_color(m_ctrl_color);
m_curve8.line_color(m_ctrl_color);
m_curve9.line_color(m_ctrl_color);
m_curve1.curve(64, 19, 14, 126, 118, 266, 19, 265);
m_curve2.curve(112, 113, 178, 32, 200, 132, 125, 438);
m_curve3.curve(401, 24, 326, 149, 285, 11, 177, 77);
m_curve4.curve(188, 427, 129, 295, 19, 283, 25, 410);
m_curve5.curve(451, 346, 302, 218, 265, 441, 459, 400);
m_curve6.curve(454, 198, 14, 13, 220, 291, 483, 283);
m_curve7.curve(301, 398, 355, 231, 209, 211, 170, 353);
m_curve8.curve(484, 101, 222, 33, 486, 435, 487, 138);
m_curve9.curve(143, 147, 11, 45, 83, 427, 132, 197);
add_ctrl(m_curve1);
add_ctrl(m_curve2);
add_ctrl(m_curve3);
add_ctrl(m_curve4);
add_ctrl(m_curve5);
add_ctrl(m_curve6);
add_ctrl(m_curve7);
add_ctrl(m_curve8);
add_ctrl(m_curve9);
m_curve1.no_transform();
m_curve2.no_transform();
m_curve3.no_transform();
m_curve4.no_transform();
m_curve5.no_transform();
m_curve6.no_transform();
m_curve7.no_transform();
m_curve8.no_transform();
m_curve9.no_transform();
m_scale_x.label("Scale X=%.2f");
m_scale_x.range(0.2, 3.0);
m_scale_x.value(1.0);
m_scale_x.no_transform();
add_ctrl(m_scale_x);
m_start_x.label("Start X=%.2f");
m_start_x.range(0.0, 10.0);
m_start_x.value(0.0);
m_start_x.no_transform();
add_ctrl(m_start_x);
}
the_application(agg::pix_format_e format, bool flip_y) :
agg::platform_support(format, flip_y),
m_type(-1, -1, -1, -1, !flip_y),
m_width(110+80, 8.0, 110+200.0+80, 8.0 + 7.0, !flip_y),
m_benchmark(110+200+80+8, 8.0-2.0, "Benchmark", !flip_y),
m_draw_nodes(110+200+80+8, 8.0-2.0+15.0, "Draw Nodes", !flip_y),
m_draw_edges(200+200+80+8, 8.0-2.0+15.0, "Draw Edges", !flip_y),
m_draft(200+200+80+8, 8.0-2.0, "Draft Mode", !flip_y),
m_translucent(110+80, 8.0-2.0+15.0, "Translucent Mode", !flip_y),
m_graph(200, 100),
m_gradient_colors(),
m_draw(3)
{
add_ctrl(m_type);
m_type.text_size(8.0);
m_type.add_item("Solid lines");
m_type.add_item("Bezier curves");
m_type.add_item("Dashed curves");
m_type.add_item("Poygons AA");
m_type.add_item("Poygons Bin");
m_type.cur_item(0);
add_ctrl(m_width);
m_width.num_steps(20);
m_width.range(0.0, 5.0);
m_width.value(2.0);
m_width.label("Width=%1.2f");
m_benchmark.text_size(8.0);
m_draw_nodes.text_size(8.0);
m_draft.text_size(8.0);
m_draw_nodes.status(true);
m_draw_edges.status(true);
add_ctrl(m_benchmark);
add_ctrl(m_draw_nodes);
add_ctrl(m_draw_edges);
add_ctrl(m_draft);
add_ctrl(m_translucent);
agg::rgba c1(1, 1, 0, 0.25);
agg::rgba c2(0, 0, 1);
int i;
for(i = 0; i < 256; i++)
{
m_gradient_colors[i] = c1.gradient(c2, double(i) / 255.0);
}
}
void CCustomRendererView::OnDraw(CDC* pDC)
{
CCustomRendererDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
RECT clrect;
GetClientRect(&clrect);
int width = clrect.right - clrect.left;
int height = clrect.bottom - clrect.top;
hdc_renderer r(*pDC, agg::rgba8());
agg::trans_affine mtx;
mtx *= agg::trans_affine_translation(-g_base_dx, -g_base_dy);
mtx *= agg::trans_affine_scaling(g_scale, g_scale);
mtx *= agg::trans_affine_rotation(g_angle);
mtx *= agg::trans_affine_translation(width/2, height/2);
agg::path_storage p2(g_path);
agg::conv_transform<agg::path_storage> trans(p2, mtx);
r.saturation(unsigned(g_sat_slider.value() * 255.0));
agg::render_all_paths(g_rasterizer, g_scanline, r, trans, g_colors, g_path_idx, g_npaths);
agg::render_ctrl(g_rasterizer, g_scanline, r, g_sat_slider);
}
//------------------------------------------------------------------------
void draw_dashes_draft()
{
pixfmt pixf(rbuf_window());
base_renderer rb(pixf);
primitives_renderer prim(rb);
outline_rasterizer ras(prim);
int i;
for(i = 0; i < m_graph.get_num_edges(); i++)
{
graph::edge e = m_graph.get_edge(i);
graph::node n1 = m_graph.get_node(e.node1, width(), height());
graph::node n2 = m_graph.get_node(e.node2, width(), height());
curve c(n1.x, n1.y, n2.x, n2.y);
dash_stroke_draft<curve> s(c, 6.0, 3.0, m_width.value());
int r = rand() & 0x7F;
int g = rand() & 0x7F;
int b = rand() & 0x7F;
int a = 255;
if(m_translucent.status()) a = 80;
prim.line_color(agg::srgba8(r, g, b, a));
ras.add_path(s);
}
}
//------------------------------------------------------------------------
void draw_nodes_fine(scanline_rasterizer& ras)
{
gradient_span_alloc sa;
pixfmt pixf(rbuf_window());
base_renderer rb(pixf);
int i;
for(i = 0; i < m_graph.get_num_nodes(); i++)
{
graph::node n = m_graph.get_node(i, width(), height());
agg::ellipse ell(n.x, n.y, 5.0 * m_width.value(), 5.0 * m_width.value());
double x, y;
switch(m_draw)
{
case 0:
ell.rewind(0);
while(!agg::is_stop(ell.vertex(&x, &y)));
break;
case 1:
ras.reset();
ras.add_path(ell);
break;
case 2:
ras.reset();
ras.add_path(ell);
ras.sort();
break;
case 3:
{
gradient_function gf;
agg::trans_affine mtx;
mtx *= agg::trans_affine_scaling(m_width.value() / 2.0);
mtx *= agg::trans_affine_translation(n.x, n.y);
mtx.invert();
interpolator inter(mtx);
gradient_span_gen sg(inter, gf, m_gradient_colors, 0.0, 10.0);
gradient_renderer ren(rb, sa, sg);
ras.add_path(ell);
agg::render_scanlines(ras, m_sl, ren);
}
break;
}
}
}
void CCustomRendererView::OnLButtonUp(UINT nFlags, CPoint point)
{
if(g_sat_slider.on_mouse_button_up(point.x, point.y))
{
Invalidate();
}
CView::OnLButtonUp(nFlags, point);
}
the_application(agg::pix_format_e format, bool flip_y) :
agg::platform_support(format, flip_y),
m_alpha_dst(5, 5, 400, 11, !flip_y),
m_alpha_src(5, 5+15, 400, 11+15, !flip_y),
m_comp_op(420, 5.0, 420+170.0, 395.0, !flip_y)
{
m_alpha_dst.label("Dst Alpha=%.2f");
m_alpha_dst.value(1.0);
add_ctrl(m_alpha_dst);
m_alpha_src.label("Src Alpha=%.2f");
m_alpha_src.value(1.0);
add_ctrl(m_alpha_src);
m_comp_op.text_size(6.8);
m_comp_op.add_item("clear");
m_comp_op.add_item("src");
m_comp_op.add_item("dst");
m_comp_op.add_item("src-over");
m_comp_op.add_item("dst-over");
m_comp_op.add_item("src-in");
m_comp_op.add_item("dst-in");
m_comp_op.add_item("src-out");
m_comp_op.add_item("dst-out");
m_comp_op.add_item("src-atop");
m_comp_op.add_item("dst-atop");
m_comp_op.add_item("xor");
m_comp_op.add_item("plus");
m_comp_op.add_item("minus");
m_comp_op.add_item("multiply");
m_comp_op.add_item("screen");
m_comp_op.add_item("overlay");
m_comp_op.add_item("darken");
m_comp_op.add_item("lighten");
m_comp_op.add_item("color-dodge");
m_comp_op.add_item("color-burn");
m_comp_op.add_item("hard-light");
m_comp_op.add_item("soft-light");
m_comp_op.add_item("difference");
m_comp_op.add_item("exclusion");
m_comp_op.add_item("contrast");
m_comp_op.add_item("invert");
m_comp_op.add_item("invert-rgb");
m_comp_op.cur_item(3);
add_ctrl(m_comp_op);
}
the_application(agg::pix_format_e format, bool flip_y, unsigned num_points)
: agg::platform_support(format, flip_y),
m_num_points(num_points),
m_points(new scatter_point[num_points]),
m_scale_ctrl_z(5, 5, start_width - 5, 12, !flip_y),
m_slider_ctrl_sel(5, 20, start_width - 5, 27, !flip_y),
m_slider_ctrl_size(5, 35, start_width - 5, 42, !flip_y) {
m_spline_r.init(6, spline_r_x, spline_r_y);
m_spline_g.init(6, spline_g_x, spline_g_y);
m_spline_b.init(6, spline_b_x, spline_b_y);
add_ctrl(m_scale_ctrl_z);
add_ctrl(m_slider_ctrl_sel);
add_ctrl(m_slider_ctrl_size);
m_slider_ctrl_size.label("Size");
m_slider_ctrl_sel.label("Selectivity");
}