bool MgShape::save(MgStorage* s) const
{
GiColor c;
s->writeUInt32("tag", getTag());
s->writeUInt8("lineStyle", (unsigned char)contextc()->getLineStyle());
s->writeFloat("lineWidth", contextc()->getLineWidth());
c = contextc()->getLineColor();
s->writeUInt32("lineColor", c.b | (c.g << 8) | (c.r << 16) | (c.a << 24));
c = contextc()->getFillColor();
s->writeUInt32("fillColor", c.b | (c.g << 8) | (c.r << 16) | (c.a << 24));
s->writeBool("autoFillColor", contextc()->isAutoFillColor());
return shapec()->save(s);
}
bool MgShape::draw(int mode, GiGraphics& gs, const GiContext *ctx, int segment) const
{
if (shapec()->isKindOf(6)) { // MgComposite
GiContext ctxnull(0, GiColor(), kGiLineNull);
return shapec()->draw(mode, gs, ctx ? *ctx : ctxnull, segment);
}
GiContext tmpctx(*contextc());
if (ctx) {
float addw = ctx->getLineWidth();
float width = tmpctx.getLineWidth();
width = -gs.calcPenWidth(width, tmpctx.isAutoScale()); // 像素宽度，负数
if (addw <= 0)
tmpctx.setLineWidth(width + addw, false); // 像素宽度加宽
else // 传入正数表示像素宽度
tmpctx.setLineWidth(-addw, ctx->isAutoScale()); // 换成新的像素宽度
}
if (ctx && ctx->getLineColor().a > 0) {
tmpctx.setLineColor(ctx->getLineColor());
}
if (ctx && !ctx->isNullLine()) {
tmpctx.setLineStyle(ctx->getLineStyle());
}
if (ctx && ctx->hasFillColor()) {
tmpctx.setFillColor(ctx->getFillColor());
}
return shapec()->draw(mode, gs, tmpctx, segment);
}
bool MgShape::equals(const MgObject& src) const
{
bool ret = false;
if (src.isKindOf(Type())) {
const MgShape& _src = (const MgShape&)src;
ret = shapec()->equals(*_src.shapec())
&& contextc()->equals(*_src.contextc())
&& getTag() == _src.getTag();
}
return ret;
}
bool MgShape::draw(int mode, GiGraphics& gs, const GiContext *ctx, int segment) const
{
GiContext tmpctx(*contextc());
if (shapec()->isKindOf(6)) { // MgComposite
tmpctx = ctx ? *ctx : GiContext(0, GiColor(), kGiLineNull);
}
else {
if (ctx) {
float addw = ctx->getLineWidth();
float width = tmpctx.getLineWidth();
width = -gs.calcPenWidth(width, tmpctx.isAutoScale()); // 像素宽度，负数
if (addw <= 0)
tmpctx.setLineWidth(width + addw, false); // 像素宽度加宽
else // 传入正数表示像素宽度
tmpctx.setLineWidth(-addw, ctx->isAutoScale()); // 换成新的像素宽度
}
if (ctx && ctx->getLineColor().a > 0) {
tmpctx.setLineColor(ctx->getLineColor());
}
if (ctx && !ctx->isNullLine()) {
tmpctx.setLineStyle(ctx->getLineStyle());
}
if (ctx && ctx->hasFillColor()) {
tmpctx.setFillColor(ctx->getFillColor());
}
}
bool ret = false;
Box2d rect(shapec()->getExtent() * gs.xf().modelToDisplay());
rect.inflate(1 + gs.calcPenWidth(tmpctx.getLineWidth(), tmpctx.isAutoScale()) / 2);
if (gs.beginShape(shapec()->getType(), getID(), rect.xmin,
rect.ymin, rect.width(), rect.height())) {
ret = shapec()->draw(mode, gs, tmpctx, segment);
gs.endShape(shapec()->getType(), getID(), rect.xmin, rect.ymin);
}
return ret;
}
bool MgShape::hasFillColor() const
{
return contextc()->hasFillColor() && shapec()->isClosed();
}