bool setPen(const GiContext* ctx)
{
bool changed = !_ctxused[0];
if (ctx && !ctx->isNullLine())
{
if (_gictx.getLineColor() != ctx->getLineColor()) {
_gictx.setLineColor(ctx->getLineColor());
changed = true;
}
if (_gictx.getLineWidth() != ctx->getLineWidth()) {
_gictx.setLineWidth(ctx->getLineWidth(), ctx->isAutoScale());
changed = true;
}
if (_gictx.getLineStyle() != ctx->getLineStyle()) {
_gictx.setLineStyle(ctx->getLineStyle());
changed = true;
}
}
if (!ctx) ctx = &_gictx;
if (!ctx->isNullLine() && changed)
{
_ctxused[0] = true;
GiColor color = ctx->getLineColor();
if (gs())
color = gs()->calcPenColor(color);
CGContextSetRGBStrokeColor(getContext(),
toFloat(color.r), toFloat(color.g),
toFloat(color.b), toFloat(color.a));
float w = ctx->getLineWidth();
w = gs() ? gs()->calcPenWidth(w, ctx->isAutoScale()) : (w < 0 ? -w : 1);
CGContextSetLineWidth(getContext(), _fast && w > 1 ? w - 1 : w); // 不是反走样就细一点
int style = ctx->getLineStyle();
CGFloat pattern[6];
if (style >= 0 && style < sizeof(lpats)/sizeof(lpats[0])) {
if (lpats[style].arr && !_fast) { // 快速画时不要线型
makeLinePattern(pattern, lpats[style].arr, lpats[style].n, w);
CGContextSetLineDash(getContext(), 0, pattern, lpats[style].n);
}
else {
CGContextSetLineDash(getContext(), 0, NULL, 0);
}
CGContextSetLineCap(getContext(), style > 0 ? kCGLineCapButt : kCGLineCapRound);
}
}
return !ctx->isNullLine();
}
G::Pen* createPen(const GiContext* ctx, bool* pNotSmoothing = NULL)
{
G::Pen* pPen = NULL;
if (ctx == NULL)
ctx = &m_context;
m_penNull = ctx->isNullLine();
if (!m_penNull)
{
if (m_pen == NULL
|| m_context.getLineStyle() != ctx->getLineStyle()
|| m_context.getLineWidth() != ctx->getLineWidth()
|| m_context.getLineColor() != ctx->getLineColor()
|| m_context.getLineAlpha() != ctx->getLineAlpha())
{
m_context.setLineStyle(ctx->getLineStyle());
m_context.setLineWidth(ctx->getLineWidth());
m_context.setLineColor(ctx->getLineColor());
m_context.setLineAlpha(ctx->getLineAlpha());
if (m_pen != NULL)
{
delete m_pen;
m_pen = NULL;
}
float width = gs()->calcPenWidth(ctx->getLineWidth());
GiColor color = gs()->calcPenColor(ctx->getLineColor());
m_pen = new G::Pen(G::Color(ctx->getLineAlpha(),
color.r, color.g, color.b), width);
if (m_pen != NULL)
{
m_pen->SetDashStyle((G::DashStyle)ctx->getLineStyle());
if (pNotSmoothing != NULL)
{
*pNotSmoothing = (width <= 1
&& ctx->getLineStyle() != kGiLineSolid);
}
}
}
pPen = m_pen;
}
return pPen;
}
HGDIOBJ createPen(const GiContext* ctx, bool rectJoin = false)
{
if (ctx == NULL)
ctx = &m_context;
if (m_pen == NULL
|| m_context.getLineStyle() != ctx->getLineStyle()
|| m_context.getLineWidth() != ctx->getLineWidth()
|| m_context.getLineColor() != ctx->getLineColor()
|| m_context.getLineAlpha() != ctx->getLineAlpha())
{
m_context.setLineStyle(ctx->getLineStyle());
m_context.setLineWidth(ctx->getLineWidth(), ctx->isAutoScale());
m_context.setLineColor(ctx->getLineColor());
m_context.setLineAlpha(ctx->getLineAlpha());
if (m_pen != NULL)
::DeleteObject(m_pen);
if (ctx->isNullLine() || ctx->getLineAlpha() < 127)
m_pen = ::GetStockObject(NULL_PEN);
else
{
int width = mgRound(m_this->gs()->calcPenWidth(
ctx->getLineWidth(), ctx->isAutoScale()));
GiColor color = m_this->gs()->calcPenColor(ctx->getLineColor());
COLORREF cr = RGB(color.r, color.g, color.b);
int lineStyle = ctx->getLineStyle();
if (width > 1)
{
LOGBRUSH logBrush = { BS_SOLID, cr };
m_pen = ::ExtCreatePen(
(rectJoin ? PS_JOIN_MITER : 0)
| PS_GEOMETRIC | PS_ENDCAP_FLAT | lineStyle,
width, &logBrush, 0, NULL);
}
else
{
m_pen = ::CreatePen(lineStyle, width, cr);
}
}
}
return m_pen;
}
bool MgShape::load(MgShapeFactory* factory, MgStorage* s)
{
setTag(s->readInt("tag", getTag()));
GiContext ctx;
ctx.setLineStyle(s->readInt("lineStyle", 0));
ctx.setLineWidth(s->readFloat("lineWidth", 0), true);
ctx.setLineColor(GiColor(s->readInt("lineColor", 0xFF000000), true));
ctx.setFillColor(GiColor(s->readInt("fillColor", 0), true));
ctx.setStartArrayHead(s->readInt("startArrayHead", 0));
ctx.setEndArrayHead(s->readInt("endArrayHead", 0));
setContext(ctx);
bool ret = shape()->load(factory, s);
if (ret) {
shape()->update();
}
return ret;
}
