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);
}
void GraphAggRenderer::fillPolygon(Point *points, int pointCount,
Color *color)
{
//qDebug() << QString("%1").arg(__PRETTY_FUNCTION__);
agg::path_storage &ps = m_data->ps;
unsigned idx = ps.start_new_path();
ps.move_to(points[0].x(), points[0].y());
for (int i = 1; i < pointCount; ++i) {
ps.line_to(points[i].x(), points[i].y());
}
ps.end_poly(agg::path_flags_close);
// 保存属性
push_attr();
m_data->as.add(path_attributes(cur_attr(), idx));
//保存idx值
path_attributes attr = cur_attr();
attr.stroke_flag = false;
attr.fill_flag = true;
attr.fill_color = agg::rgba8(color->red(),
color->green(), color->blue(), color->alpha());
attr.index = idx;
m_data->as[m_data->as.size() -1] = attr;
pop_attr();
updateBbox();
}
void GraphAggRenderer::fillEllipse(Point *center,
float width, float height,
Color *color)
{
//qDebug() << QString("%1").arg(__PRETTY_FUNCTION__);
agg::ellipse e1;
e1.init(center->x(), center->y(),
width, height, 100);
agg::path_storage &ps = m_data->ps;
unsigned idx = ps.start_new_path();
ps.concat_path(e1);
// 保存属性
push_attr();
m_data->as.add(path_attributes(cur_attr(), idx));
//保存idx值
path_attributes attr = cur_attr();
attr.stroke_flag = false;
attr.fill_flag = true;
attr.fill_color = agg::rgba8(color->red(),
color->green(), color->blue(), color->alpha());
attr.index = idx;
m_data->as[m_data->as.size() -1] = attr;
pop_attr();
updateBbox();
}
void GraphAggRenderer::fillRect(Point *ulCorner, Point *lrCorner,
Color *color)
{
//qDebug() << QString("%1").arg(__PRETTY_FUNCTION__);
agg::path_storage &ps = m_data->ps;
unsigned idx = ps.start_new_path();
ps.move_to(ulCorner->x(), ulCorner->y());
ps.line_to(lrCorner->x(), ulCorner->y());
ps.line_to(lrCorner->x(), lrCorner->y());
ps.line_to(ulCorner->x(), lrCorner->y());
ps.line_to(ulCorner->x(), ulCorner->y());
ps.end_poly();
// 保存属性
push_attr();
m_data->as.add(path_attributes(cur_attr(), idx));
//保存idx值
path_attributes attr = cur_attr();
attr.stroke_flag = false;
attr.fill_flag = true;
attr.fill_color = agg::rgba8(color->red(),
color->green(), color->blue(), color->alpha());
attr.index = idx;
m_data->as[m_data->as.size() -1] = attr;
pop_attr();
updateBbox();
}
void begin_path()
{
unsigned idx = source_.start_new_path();
attributes_.add(path_attributes(cur_attr(), idx));
}
void push_attr()
{
attr_stack_.add(attr_stack_.size() ?
attr_stack_[attr_stack_.size() - 1] :
path_attributes());
}
//------------------------------------------------------------------------
void path_renderer::begin_path()
{
push_attr();
unsigned idx = m_storage.start_new_path();
m_attr_storage.add(path_attributes(cur_attr(), idx));
}
//------------------------------------------------------------------------
void path_renderer::push_attr()
{
m_attr_stack.add(m_attr_stack.size() ?
m_attr_stack[m_attr_stack.size() - 1] :
path_attributes());
}
void GraphAggRenderer::push_attr()
{
m_data->attr_stack.add(m_data->attr_stack.size() ?
m_data->attr_stack[m_data->attr_stack.size() - 1] :
path_attributes());
}
void GraphAggRenderer::drawString(const QString &text,
Point *pos,
int alignment,
Color *color)
{
if (text.isEmpty())
return;
//qDebug() << QString("%1").arg(__PRETTY_FUNCTION__);
agg::path_storage &ps = m_data->ps;
unsigned idx = ps.start_new_path();
// 绘制文本
font_manager_type *fman = get_fman();
double x = pos->x();
double y = pos->y();
wchar_t *buffer = new wchar_t[text.size() + 1];
text.toWCharArray(buffer);
buffer[text.size()] = NULL;
//qDebug() << text;
const wchar_t *p = buffer;//L"this is a deom.";
while (*p) {
//qDebug() << QString(*p);
const agg::glyph_cache* glyph = fman->glyph(*p);
if (glyph) {
//qDebug() << QString("good");
fman->init_embedded_adaptors(glyph, x, y);
ps.concat_path(fman->path_adaptor());
/*
cc_pa_type ccpath(fman->path_adaptor());
cs_cc_pa_type csccpath(ccpath);
//ct_cs_cc_pa_type ctpath(csccpath, transform);
//ras.add_path(ctpath);
ps.concat_path(csccpath);
*/
x += glyph->advance_x;
y += glyph->advance_y;
//qDebug() << QString("%1,%2").arg(x).arg(y);
} else {
//qDebug() << QString("bad");
}
++p;
}
delete []buffer;
// 保存属性
push_attr();
m_data->as.add(path_attributes(cur_attr(), idx));
//保存idx值
path_attributes attr = cur_attr();
attr.stroke_flag = true;
attr.fill_flag = false;
attr.fill_color = agg::rgba8(color->red(),
color->green(), color->blue(), color->alpha());
attr.index = idx;
m_data->as[m_data->as.size() -1] = attr;
pop_attr();
updateBbox();
}
