本文整理汇总了C++中DrawingContext::CurrentState方法的典型用法代码示例。如果您正苦于以下问题：C++ DrawingContext::CurrentState方法的具体用法？C++ DrawingContext::CurrentState怎么用？C++ DrawingContext::CurrentState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DrawingContext的用法示例。
在下文中一共展示了DrawingContext::CurrentState方法的6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:
static void
move_pen_by(void* _context, const BPoint& delta)
{
DrawingContext* context = reinterpret_cast<DrawingContext *>(_context);
context->CurrentState()->SetPenLocation(
context->CurrentState()->PenLocation() + delta);
}示例2: style
static void
set_font_style(void* _context, const char* _style, size_t length)
{
DrawingContext* context = reinterpret_cast<DrawingContext *>(_context);
BString style(_style, length);
ServerFont font(context->CurrentState()->Font());
FontStyle* fontStyle = gFontManager->GetStyle(font.Family(), style);
font.SetStyle(fontStyle);
context->CurrentState()->SetFont(font, B_FONT_FAMILY_AND_STYLE);
}示例3: p
static void
pop_state(void* _context)
{
DrawingContext* context = reinterpret_cast<DrawingContext *>(_context);
context->PopState();
BPoint p(0, 0);
context->ConvertToScreenForDrawing(&p);
context->GetDrawingEngine()->SetDrawState(context->CurrentState(),
(int32)p.x, (int32)p.y);
}示例4: family
static void
set_font_family(void* _context, const char* _family, size_t length)
{
DrawingContext* context = reinterpret_cast<DrawingContext *>(_context);
BString family(_family, length);
FontStyle* fontStyle = gFontManager->GetStyleByIndex(family, 0);
ServerFont font;
font.SetStyle(fontStyle);
context->CurrentState()->SetFont(font, B_FONT_FAMILY_AND_STYLE);
}示例5: new
static void
clip_to_picture(void* _context, int32 pictureToken, const BPoint& where,
bool clipToInverse)
{
DrawingContext* context = reinterpret_cast<DrawingContext *>(_context);
ServerPicture* picture = context->GetPicture(pictureToken);
if (picture == NULL)
return;
AlphaMask* mask = new(std::nothrow) AlphaMask(
picture, clipToInverse, where, *context->CurrentState());
context->SetAlphaMask(mask);
context->UpdateCurrentDrawingRegion();
if (mask != NULL)
mask->ReleaseReference();
picture->ReleaseReference();
}示例6: offset
void
ShapePainter::Draw(BRect frame, bool filled)
{
// We're going to draw the currently iterated shape.
// TODO: This can be more efficient by skipping the conversion.
int32 opCount = fOpStack.size();
int32 ptCount = fPtStack.size();
if (opCount > 0 && ptCount > 0) {
int32 i;
uint32* opList = new(std::nothrow) uint32[opCount];
if (opList == NULL)
return;
BPoint* ptList = new(std::nothrow) BPoint[ptCount];
if (ptList == NULL) {
delete[] opList;
return;
}
for (i = opCount - 1; i >= 0; i--) {
opList[i] = fOpStack.top();
fOpStack.pop();
}
for (i = ptCount - 1; i >= 0; i--) {
ptList[i] = fPtStack.top();
fPtStack.pop();
}
BPoint offset(fContext->CurrentState()->PenLocation());
fContext->ConvertToScreenForDrawing(&offset);
fContext->GetDrawingEngine()->DrawShape(frame, opCount, opList,
ptCount, ptList, filled, offset, fContext->Scale());
delete[] opList;
delete[] ptList;
}
}