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Striped rect drawing.

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This commit is contained in:
Bartosz Taudul 2020-07-29 13:18:23 +02:00
parent fd5ccc16d6
commit d8728be689
1 changed files with 35 additions and 0 deletions
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35
server/TracyImGui.hpp
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@ -5,6 +5,8 @@
# pragma warning( disable: 4244 ) // conversion from don't care to whatever, possible loss of data
#endif
#include <algorithm>
#include <assert.h>
#include <stdint.h>
#include "../imgui/imgui.h"
@ -143,6 +145,39 @@ namespace tracy
return res;
}
static void DrawStripedRect( ImDrawList* draw, double x0, double y0, double x1, double y1, double sw, uint32_t color )
{
assert( x1 >= x0 );
assert( y1 >= y0 );
assert( sw > 0 );
const auto ww = ImGui::GetItemRectSize().x;
if( x0 > ww || x1 < 0 ) return;
if( x1 - x0 > ww )
{
x0 = std::max<double>( 0, x0 );
x1 = std::min<double>( ww, x1 );
}
ImGui::PushClipRect( ImVec2( x0, y0 ), ImVec2( x1, y1 ), true );
const auto rw = x1 - x0;
const auto rh = y1 - y0;
const auto v0 = ImVec2( x0, y0 - rw );
const auto cnt = int( ( rh + rw + sw*2 ) / ( sw*2 ) );
for( int i=0; i<cnt; i++ )
{
draw->PathLineTo( v0 + ImVec2( 0, i*sw*2 ) );
draw->PathLineTo( v0 + ImVec2( rw, i*sw*2 + rw ) );
draw->PathLineTo( v0 + ImVec2( rw, i*sw*2 + rw + sw ) );
draw->PathLineTo( v0 + ImVec2( 0, i*sw*2 + sw ) );
draw->PathFillConvex( color );
}
ImGui::PopClipRect();
}
}
#endif