draw_context.cpp File Reference

#include <preview_items/draw_context.h>
#include <preview_items/preview_utils.h>
#include <view/view.h>

Go to the source code of this file.

Functions
static bool	angleIsSpecial (double aRadians)
static COLOR4D	deemphasise (const COLOR4D &aColor, bool aDeEmphasised)

Variables
static constexpr double	ANGLE_EPSILON = 1e-9

Function Documentation

angleIsSpecial()

static bool angleIsSpecial ( double  aRadians )

static

Definition at line 35 of file draw_context.cpp.

{
 return std::fabs( std::remainder( aRadians, M_PI_4 ) ) < ANGLE_EPSILON;
}

References ANGLE_EPSILON.

Referenced by KIGFX::PREVIEW::DRAW_CONTEXT::DrawLineWithAngleHighlight().

deemphasise()

static COLOR4D deemphasise ( const COLOR4D &  aColor, bool  aDeEmphasised  )

static

Definition at line 41 of file draw_context.cpp.

{
 return aColor.WithAlpha( PreviewOverlayDeemphAlpha( aDeEmphasised ) );
}

References KIGFX::PREVIEW::PreviewOverlayDeemphAlpha(), and KIGFX::COLOR4D::WithAlpha().

Referenced by KIGFX::PREVIEW::DRAW_CONTEXT::DrawCircle(), KIGFX::PREVIEW::DRAW_CONTEXT::DrawLine(), and KIGFX::PREVIEW::DRAW_CONTEXT::DrawLineWithAngleHighlight().

Variable Documentation

ANGLE_EPSILON

constexpr double ANGLE_EPSILON = 1e-9

static

Definition at line 33 of file draw_context.cpp.

Referenced by angleIsSpecial().