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#include "drape_frontend/drape_api_builder.hpp"
#include "drape_frontend/circle_shape.hpp"
#include "drape_frontend/gui/gui_text.hpp"
#include "drape_frontend/line_shape.hpp"
#include "drape_frontend/shape_view_params.hpp"
#include "drape/batcher.hpp"
#include "indexer/feature_decl.hpp"
#include "base/string_utils.hpp"
namespace
{
void BuildText(string const & str, dp::FontDecl const & font, m2::PointD const & position,
m2::PointD const & center, ref_ptr<dp::TextureManager> textures, dp::Batcher & batcher)
{
gui::StaticLabel::LabelResult result;
gui::StaticLabel::CacheStaticText(str, "\n", dp::LeftTop, font, textures, result);
glsl::vec2 const pt = glsl::ToVec2(df::MapShape::ConvertToLocal(position, center, df::kShapeCoordScalar));
for (gui::StaticLabel::Vertex & v : result.m_buffer)
v.m_position = glsl::vec3(pt, 0.0f);
dp::AttributeProvider provider(1 /* streamCount */, result.m_buffer.size());
provider.InitStream(0 /* streamIndex */, gui::StaticLabel::Vertex::GetBindingInfo(),
make_ref(result.m_buffer.data()));
batcher.InsertListOfStrip(result.m_state, make_ref(&provider), dp::Batcher::VertexPerQuad);
}
} // namespace
namespace df
{
void DrapeApiBuilder::BuildLines(DrapeApi::TLines const & lines, ref_ptr<dp::TextureManager> textures,
vector<drape_ptr<DrapeApiRenderProperty>> & properties)
{
properties.reserve(lines.size());
uint32_t constexpr kMaxSize = 5000;
uint32_t constexpr kFontSize = 14;
FeatureID fakeFeature;
for (auto const & line : lines)
{
string id = line.first;
DrapeApiLineData const & data = line.second;
m2::RectD rect;
for (m2::PointD p : data.m_points)
rect.Add(p);
dp::Batcher batcher(kMaxSize, kMaxSize);
auto property = make_unique_dp<DrapeApiRenderProperty>();
property->m_center = rect.Center();
{
dp::SessionGuard guard(batcher, [&property, id](dp::GLState const & state, drape_ptr<dp::RenderBucket> && b)
{
property->m_id = id;
property->m_buckets.push_back(make_pair(state, move(b)));
});
m2::SharedSpline spline(data.m_points);
LineViewParams lvp;
lvp.m_tileCenter = property->m_center;
lvp.m_depth = 0.0f;
lvp.m_minVisibleScale = 1;
lvp.m_cap = dp::RoundCap;
lvp.m_color = data.m_color;
lvp.m_width = data.m_width;
lvp.m_join = dp::RoundJoin;
LineShape(spline, lvp).Draw(make_ref(&batcher), textures);
if (data.m_showPoints)
{
CircleViewParams cvp(fakeFeature);
cvp.m_tileCenter = property->m_center;
cvp.m_depth = 0.0f;
cvp.m_minVisibleScale = 1;
cvp.m_color = data.m_color;
cvp.m_radius = data.m_width * 2.0f;
for (m2::PointD const & pt : data.m_points)
CircleShape(m2::PointF(pt), cvp, false /* need overlay */).Draw(make_ref(&batcher), textures);
}
if (data.m_markPoints || data.m_showId)
{
dp::FontDecl font(data.m_color, kFontSize);
size_t index = 0;
for (m2::PointD const & pt : data.m_points)
{
if (index > 0 && !data.m_markPoints) break;
string s;
if (data.m_markPoints)
s = strings::to_string(index) + ((data.m_showId && index == 0) ? (" (" + id + ")") : "");
else
s = id;
BuildText(s, font, pt, property->m_center, textures, batcher);
index++;
}
}
}
if (!property->m_buckets.empty())
properties.push_back(move(property));
}
}
} // namespace df
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