void Graphics::FillEllipse(Brush* brush, const RectF& rc) {
cairo_t* cg = reinterpret_cast<cairo_t*>(_private);
cairo_save(cg);
cairo_pattern_t* cp = reinterpret_cast<cairo_pattern_t*>(brush->_private);
cairo_set_source(cg, cp);
cairo_save(cg);
cairo_translate(cg, rc.GetLeft() + rc.GetWidth() / 2.0, rc.GetTop() + rc.GetHeight() / 2.0);
cairo_scale(cg, 1.0 / (rc.GetHeight() / 2.), 1.0 / (rc.GetWidth() / 2.0));
cairo_arc(cg, 0.0, 0.0, 1.0, 0.0, 2 * 3.14159);
cairo_restore(cg);
cairo_fill(cg);
cairo_restore(cg);
}
void Graphics::FillRectangle(Brush* brush, const RectF& rc) {
cairo_t* cg = reinterpret_cast<cairo_t*>(_private);
cairo_save(cg);
cairo_pattern_t* cp = reinterpret_cast<cairo_pattern_t*>(brush->_private);
cairo_set_source(cg, cp);
cairo_translate(cg, rc.GetLeft(), rc.GetTop());
cairo_rectangle(cg, 0, 0, rc.GetWidth(), rc.GetHeight());
cairo_fill(cg);
cairo_restore(cg);
}
void Graphics::DrawImage(Image* image, const RectF& rc, const ImageAttributes* attr) {
cairo_t* cg = reinterpret_cast<cairo_t*>(_private);
cairo_surface_t* source = reinterpret_cast<cairo_surface_t*>(image->_private);
cairo_pattern_t* cp = cairo_pattern_create_for_surface(source);
int sourceWidth = cairo_image_surface_get_width(source);
int sourceHeight = cairo_image_surface_get_height(source);
cairo_matrix_t patternMatrix;
cairo_matrix_init_scale(&patternMatrix, sourceWidth/rc.GetWidth(), sourceHeight/rc.GetHeight());
cairo_pattern_set_matrix(cp, &patternMatrix);
cairo_save(cg);
cairo_set_source(cg, cp);
cairo_translate(cg, rc.GetLeft(), rc.GetTop());
cairo_rectangle(cg, 0, 0, rc.GetWidth(), rc.GetHeight());
cairo_fill(cg);
cairo_restore(cg);
cairo_pattern_destroy(cp);
}
void Graphics::DrawRectangle(Pen* pen, const RectF& rc) {
cairo_t* cg = reinterpret_cast<cairo_t*>(_private);
cairo_save(cg);
PenPrivate* pp = reinterpret_cast<PenPrivate*>(pen->_private);
cairo_pattern_t* cp = pp->pattern;
cairo_set_source(cg, cp);
cairo_set_line_width(cg, pp->width);
cairo_translate(cg, rc.GetLeft(), rc.GetTop());
cairo_rectangle(cg, 0, 0, rc.GetWidth(), rc.GetHeight());
cairo_stroke(cg);
cairo_restore(cg);
}
void Graphics::FillRoundRectangle(Brush* brush, const RectF& rc, float d) {
Gdiplus::Graphics* g = reinterpret_cast<Gdiplus::Graphics*>(_private);
Gdiplus::Brush* gdiBrush = reinterpret_cast<Gdiplus::Brush*>(brush->_private);
Gdiplus::GraphicsPath gp;
Gdiplus::RectF r(rc.GetLeft()-1.0f, rc.GetTop()-1.0f, rc.GetWidth(), rc.GetHeight());
gp.AddArc(r.X, r.Y, d, d, 180.0f, 90.0f);
gp.AddArc(r.X + r.Width - d, r.Y, d, d, 270.0f, 90.0f);
gp.AddArc(r.X + r.Width - d, r.Y + r.Height - d, d, d, 0.0f, 90.0f);
gp.AddArc(r.X, r.Y + r.Height - d, d, d, 90.0f, 90.0f);
gp.AddLine(r.X, r.Y + r.Height - d, r.X, r.Y + d / 2.0f);
g->FillPath(gdiBrush, &gp);
}
void Graphics::DrawRoundRectangle(Pen* pen, const RectF& rc, float d) {
Gdiplus::Graphics* g = reinterpret_cast<Gdiplus::Graphics*>(_private);
Gdiplus::Pen* gdiPen = reinterpret_cast<Gdiplus::Pen*>(pen->_private);
Gdiplus::GraphicsPath gp;
Gdiplus::RectF r(rc.GetLeft()-1.0f, rc.GetTop()-1.0f, rc.GetWidth(), rc.GetHeight());
gp.AddArc(r.X, r.Y, d, d, 180.0f, 90.0f);
gp.AddArc(r.X + r.Width - d, r.Y, d, d, 270.0f, 90.0f);
gp.AddArc(r.X + r.Width - d, r.Y + r.Height - d, d, d, 0.0f, 90.0f);
gp.AddArc(r.X, r.Y + r.Height - d, d, d, 90.0f, 90.0f);
gp.AddLine(r.X, r.Y + r.Height - d, r.X, r.Y + d / 2.0f);
g->DrawPath(gdiPen, &gp);
}
void Actor::StretchTo( const RectF &r )
{
// width and height of rectangle
float width = r.GetWidth();
float height = r.GetHeight();
// center of the rectangle
float cx = r.left + width/2.0f;
float cy = r.top + height/2.0f;
// zoom fActor needed to scale the Actor to fill the rectangle
float fNewZoomX = width / m_size.x;
float fNewZoomY = height / m_size.y;
SetXY( cx, cy );
SetZoomX( fNewZoomX );
SetZoomY( fNewZoomY );
}
void Graphics::DrawImage(Image* image, const RectF& rc, const ImageAttributes* attr) {
Gdiplus::Graphics* g = reinterpret_cast<Gdiplus::Graphics*>(_private);
Gdiplus::Image* gdiImage = reinterpret_cast<Gdiplus::Image*>(image->_private);
if(attr!=0) {
Gdiplus::ImageAttributes* ia = reinterpret_cast<Gdiplus::ImageAttributes*>(attr->_private);
g->DrawImage(gdiImage, Gdiplus::RectF(rc.GetLeft(), rc.GetTop(), rc.GetWidth(), rc.GetHeight()), 0.0f, 0.0f, (float)gdiImage->GetWidth(), (float)gdiImage->GetHeight(), Gdiplus::UnitPixel, ia);
}
else {
g->DrawImage(gdiImage, ToGDIRect<RectF, Gdiplus::RectF>(rc));
}
}
void Graphics::FillPie(Brush* brush, const RectF& rc, float start, float sweep) {
Gdiplus::Graphics* g = reinterpret_cast<Gdiplus::Graphics*>(_private);
Gdiplus::Brush* gdiBrush = reinterpret_cast<Gdiplus::Brush*>(brush->_private);
g->FillPie(gdiBrush, Gdiplus::RectF(rc.GetLeft(), rc.GetTop(), rc.GetWidth(), rc.GetHeight()), start, sweep);
}
void Graphics::DrawPie(Pen* pen, const RectF& rc, float start, float sweep) {
Gdiplus::Graphics* g = reinterpret_cast<Gdiplus::Graphics*>(_private);
Gdiplus::Pen* gdiPen = reinterpret_cast<Gdiplus::Pen*>(pen->_private);
g->DrawPie(gdiPen, Gdiplus::RectF(rc.GetLeft(), rc.GetTop(), rc.GetWidth(), rc.GetHeight()), start, sweep);
}