- Enable drawing of resources as ``3d'' cubes
git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@1059 3ecf2c5c-341e-0410-92b4-d18e462d057c
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@ -83,16 +83,59 @@ CairoElements::draw_3dsphere(const Point& center, float radius, const Color& cl)
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}
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void
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CairoElements::draw_3dcube(const Rectangle& area, const Color& cl)
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CairoElements::draw_3dcube(const Rectangle& area, const Color& cl,
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const float x_percent, const float y_percent)
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{
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cairo_t*& cr = _ctx;
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const float& x0 = area.x0;
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const float& y0 = area.y0;
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const float& w = area.w;
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const float& h = area.h;
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const float& r = cl.r;
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const float& g = cl.b;
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const float& b = cl.b;
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cairo_save(cr);
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cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
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// FIXME : not implemented
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// Front side of the cube:
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cairo_rectangle(cr,
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x0, y0 + (1 - y_percent) * h,
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w * x_percent, h * y_percent);
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cairo_set_source_rgb(cr, r, g, b);
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cairo_fill_preserve(cr);
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cairo_set_source_rgb(cr, 0, 0, 0);
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cairo_stroke(cr);
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// ``Upper'' visible cube side:
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cairo_new_path(cr);
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cairo_move_to(cr, x0, y0 + (1 - y_percent) * h);
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cairo_line_to(cr, x0 + (1 - x_percent) * w, y0);
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cairo_line_to(cr, x0 + w, y0);
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cairo_line_to(cr, x0 + w * x_percent, y0 + (1 - y_percent) * h);
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cairo_close_path(cr);
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cairo_set_source_rgb(cr, r - 0.2, g - 0.2, b - 0.2);
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cairo_fill_preserve(cr);
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cairo_set_source_rgb(cr, 0, 0, 0);
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cairo_stroke(cr);
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// ``Right'' visible cube side:
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cairo_new_path(cr);
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cairo_move_to(cr, x0 + w * x_percent, y0 + (1 - y_percent) * h);
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cairo_line_to(cr, x0 + w, y0);
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cairo_line_to(cr, x0 + w, y0 + y_percent * h);
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cairo_line_to(cr, x0 + w * x_percent, y0 + h);
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cairo_close_path(cr);
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cairo_set_source_rgb(cr, r - 0.4, g - 0.4, b - 0.4);
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cairo_fill_preserve(cr);
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cairo_set_source_rgb(cr, 0, 0, 0);
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cairo_stroke(cr);
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cairo_restore(cr);
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}
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@ -65,7 +65,7 @@ namespace sgpem
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CairoElements(cairo_t* const ctx);
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void draw_3dsphere(const Point& center, float radius, const Color& cl);
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void draw_3dcube(const Rectangle& area, const Color& cl);
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void draw_3dcube(const Rectangle& area, const Color& cl, const float x_percent, const float y_percent);
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void draw_container(const Rectangle& area);
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void draw_expandable(const Rectangle& area, bool expanded = false);
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@ -104,30 +104,38 @@ HoltResource::~HoltResource()
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void HoltResource::draw(cairo_t *cr)
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{
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// draw rectangle
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cairo_rectangle(cr,
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_pos.real() - _radius, _pos.imag() - _radius,
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2*_radius, 2*_radius);
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// fill
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cairo_set_source_rgb (cr, 1, 1, 1);
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cairo_fill_preserve (cr);
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static const Color white(1, 1, 1);
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static const float x_percent = 3.5f / 4;
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static const float y_percent = 4.5f / 5;
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CairoElements ce(cr);
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// outline
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cairo_set_source_rgb (cr, 0, 0, 0);
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// draw rectangle
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Rectangle area(_pos.real() - _radius, _pos.imag() - _radius, 2*_radius, 2*_radius);
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ce.draw_3dcube(area, white, x_percent, y_percent);
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cairo_save(cr);
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// clip text outside region
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cairo_clip_preserve (cr);
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cairo_rectangle(cr, _pos.real() - _radius, _pos.imag() - _radius,
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2 * _radius * x_percent, 2 * _radius * y_percent);
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cairo_clip(cr);
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// draw text
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cairo_text_extents_t extents;
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cairo_text_extents(cr, _resource->get_name().c_str(), &extents);
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// cairo_move_to(cr, xpos - _radius, ypos - _radius + extents.height);
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cairo_move_to(cr, _pos.real() - extents.width/2, _pos.imag() + extents.height/2);
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cairo_move_to(cr,
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_pos.real() - extents.width * (1 - x_percent + x_percent / 2),
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_pos.imag() + extents.height * ((1 - y_percent) / 2 + 0.5) );
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cairo_show_text(cr, _resource->get_name().c_str());
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cairo_reset_clip (cr); // reset clip region
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// stroke all
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cairo_stroke (cr);
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cairo_restore(cr);
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}
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Vec2 HoltResource::get_intersection_to(Vec2 pt)
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