void Viewport::drawPolygon(Object* obj){
auto coords = obj->getNCoords();
Coordinates nCoords;
if(coords.size() == 1){// Usuario quer um ponto?
drawPoint(obj);
return;
}else if(coords.size() == 2){// Usuario quer uma linha?
drawLine(obj);
return;
}
transformCoordinates(coords, nCoords);
prepareContext(obj);
cairo_move_to(m_cairo, nCoords[0].x, nCoords[0].y);
for(unsigned int i = 0; i<nCoords.size(); i++)
cairo_line_to(m_cairo, nCoords[i].x, nCoords[i].y);
cairo_close_path(m_cairo);
Polygon* p = (Polygon*) obj;
if(p->filled()){
cairo_stroke_preserve(m_cairo);
cairo_fill(m_cairo);
}else
cairo_stroke(m_cairo);
}
void Viewport::drawPoint(Object* obj){
Coordinate coord = transformCoordinate(obj->getCoord(0));
prepareContext();
cairo_move_to(_cairo, coord.x, coord.y);
cairo_arc(_cairo, coord.x, coord.y, 1.0, 0.0, (2*PI) );//pnt deveria ir diminuindo, nao?
cairo_fill(_cairo);
}
void Viewport::drawPoint(Object* obj){
Coordinate coord = transformCoordinate(obj->getNCoord(0));
prepareContext(obj);
float size = (m_width/m_window.getWidth())/2;
size = size < 0.7 ? 0.7 : (size > 2 ? 2 : size);//Limita entre 0.7 e 2
cairo_move_to(m_cairo, coord.x, coord.y);
cairo_arc(m_cairo, coord.x, coord.y, size, 0.0, (2*PI) );//pnt deveria ir diminuindo, nao?
cairo_fill(m_cairo);
}
void Viewport::drawCurve(Object* obj){
auto coords = obj->getNCoords();
Coordinates nCoords;
transformCoordinates(coords, nCoords);
prepareContext(obj);
cairo_move_to(m_cairo, nCoords[0].x, nCoords[0].y);
for(unsigned int i = 0; i<nCoords.size(); i++)
cairo_line_to(m_cairo, nCoords[i].x, nCoords[i].y);
cairo_stroke(m_cairo);
}
void Viewport::drawLine(Object* obj){
auto coords = obj->getCoords();
if(coords[0] == coords[1]){// Usuario quer um ponto?
drawPoint(obj);
return;
}
coords = transformCoordinates(coords);
prepareContext();
cairo_move_to(_cairo, coords[0].x, coords[0].y);
cairo_line_to(_cairo, coords[1].x, coords[1].y);
cairo_stroke(_cairo);
}
void LayerAndroid::onDraw(SkCanvas* canvas, SkScalar opacity) {
if (m_haveClip) {
SkRect r;
r.set(0, 0, getSize().width(), getSize().height());
canvas->clipRect(r);
}
if (!prepareContext())
return;
// we just have this save/restore for opacity...
SkAutoCanvasRestore restore(canvas, true);
int canvasOpacity = SkScalarRound(opacity * 255);
if (canvasOpacity < 255)
canvas->setDrawFilter(new OpacityDrawFilter(canvasOpacity));
canvas->drawPicture(*m_recordingPicture);
#if ENABLE(WEBGL)
if (m_context.get()) {
m_context->paint(canvas);
}
#endif
if (m_extra)
m_extra->draw(canvas, this);
#ifdef LAYER_DEBUG
float w = getSize().width();
float h = getSize().height();
SkPaint paint;
paint.setARGB(128, 255, 0, 0);
canvas->drawLine(0, 0, w, h, paint);
canvas->drawLine(0, h, w, 0, paint);
paint.setARGB(128, 0, 255, 0);
canvas->drawLine(0, 0, 0, h, paint);
canvas->drawLine(0, h, w, h, paint);
canvas->drawLine(w, h, w, 0, paint);
canvas->drawLine(w, 0, 0, 0, paint);
if (m_isFixed) {
SkRect layerRect = computeLayerRect(this);
SkPaint paint;
paint.setARGB(128, 0, 0, 255);
canvas->drawRect(layerRect, paint);
}
#endif
}
SkPicture* LayerAndroid::recordContext()
{
if (prepareContext(true))
return m_recordingPicture;
return 0;
}
