void
ExamplePath2::
draw_frame(void)
{
fastuidraw::vec2 translate, scale, window_dims(window_dimensions());
fastuidraw::PainterSurface::Viewport vwp(0, 0, window_dims.x(), window_dims.y());
float stroke_width, border;
m_surface_gl->viewport(vwp);
m_painter->begin(m_surface_gl, fastuidraw::Painter::y_increases_downwards);
/* Set the translate and scale so that the path is stretched across
* the entire window, but have some border around the path so that
* all of the stroking is visible.
*/
stroke_width = 8.0f;
border = 3.0f * stroke_width;
scale = window_dims / (m_path_bounds.size() + fastuidraw::vec2(2.0f * border));
translate = -m_path_bounds.m_min_point + fastuidraw::vec2(border);
m_painter->shear(scale.x(), scale.y());
m_painter->translate(translate);
/* first fill the path with the color red, using the odd-even fill rule */
m_painter->fill_path(fastuidraw::PainterBrush()
.color(1.0f, 0.0f, 0.0f, 1.0f),
m_path, m_example_fill_rule);
/* then stroke the path with transparent orange, applying a
* - stroking width of 8.0
* - rounded joins
* - rounded caps
*/
m_painter->stroke_path(fastuidraw::PainterBrush()
.color(1.0f, 0.6f, 0.0f, 0.8f),
fastuidraw::PainterStrokeParams()
.width(stroke_width),
m_path,
fastuidraw::StrokingStyle()
.join_style(fastuidraw::Painter::rounded_joins)
.cap_style(fastuidraw::Painter::rounded_caps));
m_painter->end();
fastuidraw_glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
fastuidraw_glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
m_surface_gl->blit_surface(GL_NEAREST);
}
LVAL xswindow_frame_size(V) { return(window_dimensions('S', TRUE)); }
LVAL xswindow_size(V) { return(window_dimensions('S', FALSE)); }
LVAL xswindow_frame_location(V) { return(window_dimensions('L', TRUE)); }
LVAL xswindow_location(V) { return(window_dimensions('L', FALSE)); }
