本文整理汇总了C++中COLOR4D::GetBrightness方法的典型用法代码示例。如果您正苦于以下问题：C++ COLOR4D::GetBrightness方法的具体用法？C++ COLOR4D::GetBrightness怎么用？C++ COLOR4D::GetBrightness使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类COLOR4D的用法示例。
在下文中一共展示了COLOR4D::GetBrightness方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: DrawGraphicHaloText
void DrawGraphicHaloText( EDA_RECT* aClipBox, wxDC * aDC,
const wxPoint &aPos,
const COLOR4D aBgColor,
COLOR4D aColor1,
COLOR4D aColor2,
const wxString &aText,
double aOrient,
const wxSize &aSize,
enum EDA_TEXT_HJUSTIFY_T aH_justify,
enum EDA_TEXT_VJUSTIFY_T aV_justify,
int aWidth, bool aItalic, bool aBold,
void (*aCallback)( int x0, int y0, int xf, int yf ),
PLOTTER * aPlotter )
{
// Swap color if contrast would be better
// TODO: Maybe calculate contrast some way other than brightness
if( aBgColor.GetBrightness() > 0.5 )
{
COLOR4D c = aColor1;
aColor1 = aColor2;
aColor2 = c;
}
// Draw the background
DrawGraphicText( aClipBox, aDC, aPos, aColor1, aText, aOrient, aSize,
aH_justify, aV_justify, aWidth, aItalic, aBold,
aCallback, aPlotter );
// Draw the text
DrawGraphicText( aClipBox, aDC, aPos, aColor2, aText, aOrient, aSize,
aH_justify, aV_justify, aWidth/4, aItalic, aBold,
aCallback, aPlotter );
}示例2: ReDraw
void EDA_DRAW_PANEL::ReDraw( wxDC* DC, bool erasebg )
{
BASE_SCREEN* Screen = GetScreen();
if( Screen == NULL )
return;
COLOR4D bgColor = GetParent()->GetDrawBgColor();
// TODO(JE): Is this correct?
if( bgColor.GetBrightness() > 0.5 )
{
g_XorMode = GR_NXOR;
g_GhostColor = BLACK;
}
else
{
g_XorMode = GR_XOR;
g_GhostColor = WHITE;
}
GRResetPenAndBrush( DC );
DC->SetBackground( wxBrush( bgColor.ToColour() ) );
DC->SetBackgroundMode( wxSOLID );
if( erasebg )
EraseScreen( DC );
GetParent()->RedrawActiveWindow( DC, erasebg );
// Verfies that the clipping is working correctly. If these two sets of numbers are
// not the same or really close. The clipping algorithms are broken.
wxLogTrace( kicadTraceCoords,
wxT( "Clip box: (%d, %d, %d, %d), Draw extents (%d, %d, %d, %d)" ),
m_ClipBox.GetX(), m_ClipBox.GetY(), m_ClipBox.GetRight(), m_ClipBox.GetBottom(),
DC->MinX(), DC->MinY(), DC->MaxX(), DC->MaxY() );
}