本文整理汇总了C++中wxDC::GetClippingBox方法的典型用法代码示例。如果您正苦于以下问题：C++ wxDC::GetClippingBox方法的具体用法？C++ wxDC::GetClippingBox怎么用？C++ wxDC::GetClippingBox使用的例子？那么恭喜您, 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wxDC的用法示例。
在下文中一共展示了wxDC::GetClippingBox方法的3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: Draw
////////////////////////////////////////////////////////////////////
// Method: Draw
// Class: CCamView
// Purose: camera drawing
// Input: reference to dc
// Output: nothing
////////////////////////////////////////////////////////////////////
void CCamView::Draw( wxDC& dc )
{
// check if dc available
if( !dc.Ok( ) || m_bDrawing == true ){ return; }
m_bDrawing = true;
dc.BeginDrawing();
int x,y,w,h;
dc.GetClippingBox( &x, &y, &w, &h );
// if there is a new image to draw
if( m_bNewImage )
{
dc.DrawBitmap( m_pBitmap, x, y );
m_bNewImage = false;
} else
{
// draw inter frame ?
}
dc.EndDrawing();
m_bDrawing = false;
return;
}示例2: DrawTab
void wxRibbonAUIArtProvider::DrawTab(wxDC& dc,
wxWindow* WXUNUSED(wnd),
const wxRibbonPageTabInfo& tab)
{
if(tab.rect.height <= 1)
return;
dc.SetFont(m_tab_label_font);
dc.SetPen(*wxTRANSPARENT_PEN);
if(tab.active || tab.hovered || tab.highlight)
{
if(tab.active)
{
dc.SetFont(m_tab_active_label_font);
dc.SetBrush(m_background_brush);
dc.DrawRectangle(tab.rect.x, tab.rect.y + tab.rect.height - 1,
tab.rect.width - 1, 1);
}
wxRect grad_rect(tab.rect);
grad_rect.height -= 4;
grad_rect.width -= 1;
grad_rect.height /= 2;
grad_rect.y = grad_rect.y + tab.rect.height - grad_rect.height - 1;
dc.SetBrush(m_tab_active_top_background_brush);
dc.DrawRectangle(tab.rect.x, tab.rect.y + 3, tab.rect.width - 1,
grad_rect.y - tab.rect.y - 3);
if(tab.highlight)
{
dc.GradientFillLinear(grad_rect, m_tab_highlight_top_colour, m_tab_highlight_top_gradient_colour, wxSOUTH);
}
else
{
dc.GradientFillLinear(grad_rect, m_tab_active_background_colour,
m_tab_active_background_gradient_colour, wxSOUTH);
}
}
else
{
wxRect btm_rect(tab.rect);
btm_rect.height -= 4;
btm_rect.width -= 1;
btm_rect.height /= 2;
btm_rect.y = btm_rect.y + tab.rect.height - btm_rect.height - 1;
dc.SetBrush(m_tab_hover_background_brush);
dc.DrawRectangle(btm_rect.x, btm_rect.y, btm_rect.width,
btm_rect.height);
wxRect grad_rect(tab.rect);
grad_rect.width -= 1;
grad_rect.y += 3;
grad_rect.height = btm_rect.y - grad_rect.y;
dc.GradientFillLinear(grad_rect, m_tab_hover_background_top_colour,
m_tab_hover_background_top_gradient_colour, wxSOUTH);
}
wxPoint border_points[5];
border_points[0] = wxPoint(0, 3);
border_points[1] = wxPoint(1, 2);
border_points[2] = wxPoint(tab.rect.width - 3, 2);
border_points[3] = wxPoint(tab.rect.width - 1, 4);
border_points[4] = wxPoint(tab.rect.width - 1, tab.rect.height - 1);
dc.SetPen(m_tab_border_pen);
dc.DrawLines(sizeof(border_points)/sizeof(wxPoint), border_points, tab.rect.x, tab.rect.y);
wxRect old_clip;
dc.GetClippingBox(old_clip);
bool is_first_tab = false;
wxRibbonBar* bar = wxDynamicCast(tab.page->GetParent(), wxRibbonBar);
if(bar && bar->GetPage(0) == tab.page)
is_first_tab = true;
wxBitmap icon;
if(m_flags & wxRIBBON_BAR_SHOW_PAGE_ICONS)
{
icon = tab.page->GetIcon();
if((m_flags & wxRIBBON_BAR_SHOW_PAGE_LABELS) == 0)
{
if(icon.IsOk())
{
int x = tab.rect.x + (tab.rect.width - icon.GetWidth()) / 2;
dc.DrawBitmap(icon, x, tab.rect.y + 1 + (tab.rect.height - 1 -
icon.GetHeight()) / 2, true);
}
}
}
if(m_flags & wxRIBBON_BAR_SHOW_PAGE_LABELS)
{
wxString label = tab.page->GetLabel();
if(!label.IsEmpty())
{
dc.SetTextForeground(m_tab_label_colour);
dc.SetBackgroundMode(wxTRANSPARENT);
int offset = 0;
if(icon.IsOk())
offset += icon.GetWidth() + 2;
int text_height;
int text_width;
dc.GetTextExtent(label, &text_width, &text_height);
int x = (tab.rect.width - 2 - text_width - offset) / 2;
//.........这里部分代码省略.........
示例3: CheckBox
void ClippingBoxTestCaseBase::CheckBox(int x, int y, int width, int height)
{
// Check clipping box boundaries.
int clipX, clipY, clipW, clipH;
m_dc->GetClippingBox(&clipX, &clipY, &clipW, &clipH);
wxString msgPos;
if ( x != clipX || y != clipY )
{
msgPos =
wxString::Format(wxS("Invalid position: Actual: (%i, %i) Expected: (%i, %i)"),
clipX, clipY, x, y);
}
wxString msgDim;
if ( width != clipW || height != clipH )
{
msgDim =
wxString::Format(wxS("Invalid dimension: Actual: %i x %i Expected: %i x %i"),
clipW, clipH, width, height);
}
wxString msg;
if ( !msgPos.empty() )
{
msg = msgPos;
if ( !msgDim.empty() )
{
msg += wxS("\n- ");
msg += msgDim;
}
}
else if ( !msgDim.empty() )
{
msg = msgDim;
}
// We will examine pixels directly in the underlying bitmap
// so we need to get device coordinates of examined area.
x = m_dc->LogicalToDeviceX(x);
y = m_dc->LogicalToDeviceY(y);
width = m_dc->LogicalToDeviceXRel(width);
height = m_dc->LogicalToDeviceYRel(height);
// Update wxDC contents.
FlushDC();
// Check whether diagonal corners of the clipping box
// are actually drawn at the edge of the clipping region.
#if wxUSE_IMAGE
// For some renderers it's not possible to get pixels
// value from wxDC so we would have to examine pixels
// in the underlying bitmap.
wxImage img;
img = m_bmp.ConvertToImage();
#else
return;
#endif // wxUSE_IMAGE
// Check area near the top-left corner
int ymin = y-1;
int xmin = x-1;
int ymax = y+1;
int xmax = x+1;
ymin = wxMin(wxMax(ymin, 0), s_dcSize.GetHeight()-1);
xmin = wxMin(wxMax(xmin, 0), s_dcSize.GetWidth()-1);
ymax = wxMin(wxMax(ymax, 0), s_dcSize.GetHeight()-1);
xmax = wxMin(wxMax(xmax, 0), s_dcSize.GetWidth()-1);
for( int py = ymin; py <= ymax; py++ )
for( int px = xmin; px <= xmax; px++ )
{
wxColour c;
#if wxUSE_IMAGE
unsigned char r = img.GetRed(px, py);
unsigned char g = img.GetGreen(px, py);
unsigned char b = img.GetBlue(px, py);
c.Set(r, g, b);
#else
// We cannot get pixel value
break;
#endif // wxUSE_IMAGE / !wxUSE_IMAGE
wxString msgColour;
if ( px >= x && px <= x + (width-1) &&
py >= y && py <= y + (height-1) )
{
// Pixel inside the box.
if ( c != s_fgColour )
{
msgColour =
wxString::Format(wxS("Invalid colour drawn at (%i, %i): Actual: %s Expected: %s"),
px, py, c.GetAsString().mbc_str(), s_fgColour.GetAsString().mbc_str());
}
}
else
{
// Pixel outside the box.
if ( c != s_bgColour )
{
//.........这里部分代码省略.........