bool GiGraphics::setPen(const GiContext* ctx)
{
bool changed = !(m_impl->ctxused & 1);
if (m_impl->canvas) {
if (ctx && (!mgEquals(ctx->getLineWidth(), m_impl->ctx.getLineWidth())
|| ctx->isAutoScale() != m_impl->ctx.isAutoScale())) {
m_impl->ctx.setLineWidth(ctx->getLineWidth(), ctx->isAutoScale());
changed = true;
}
if (ctx && ctx->getLineColor() != m_impl->ctx.getLineColor()) {
m_impl->ctx.setLineColor(ctx->getLineColor());
changed = true;
}
if (ctx && ctx->getLineStyle() != m_impl->ctx.getLineStyle()) {
m_impl->ctx.setLineStyle(ctx->getLineStyle());
changed = true;
}
}
ctx = &(m_impl->ctx);
if (m_impl->canvas && changed) {
m_impl->ctxused &= 1;
m_impl->canvas->setPen(calcPenColor(ctx->getLineColor()).getARGB(),
calcPenWidth(ctx->getLineWidth(), ctx->isAutoScale()),
ctx->getLineStyle(), 0);
}
return !ctx->isNullLine();
}
bool GiGraphics::drawPathWithArrayHead(const GiContext& ctx, MgPath& path, int startArray, int endArray)
{
float px = calcPenWidth(ctx.getLineWidth(), ctx.isAutoScale());
float scale = 0.5f * xf().getWorldToDisplayX() * (1 + mgMax(0.f, (px - 4.f) / 5));
if (startArray > 0 && startArray <= GiContext::kArrowOpenedCircle) {
drawArrayHead(ctx, path, startArray, px, scale);
}
if (endArray > 0 && endArray <= GiContext::kArrowOpenedCircle) {
path.reverse();
drawArrayHead(ctx, path, endArray, px, scale);
path.reverse();
}
return drawPath_(&ctx, path, false, Matrix2d::kIdentity());
}
bool GiGraphics::setPen(const GiContext* ctx)
{
bool changed = !(m_impl->ctxused & 1);
if (m_impl->canvas) {
if (ctx && (!mgEquals(ctx->getLineWidth(), m_impl->ctx.getLineWidth())
|| ctx->isAutoScale() != m_impl->ctx.isAutoScale())) {
m_impl->ctx.setLineWidth(ctx->getLineWidth(), ctx->isAutoScale());
changed = true;
}
if (ctx && !mgEquals(ctx->getExtraWidth(), m_impl->ctx.getExtraWidth())) {
m_impl->ctx.setExtraWidth(ctx->getExtraWidth());
changed = true;
}
if (ctx && ctx->getLineColor() != m_impl->ctx.getLineColor()) {
m_impl->ctx.setLineColor(ctx->getLineColor());
changed = true;
}
if (ctx && ctx->getLineStyleEx() != m_impl->ctx.getLineStyleEx()) {
m_impl->ctx.setLineStyle(ctx->getLineStyleEx(), true);
changed = true;
}
}
ctx = &(m_impl->ctx);
if (m_impl->canvas && changed) {
m_impl->ctxused &= 1;
float w = calcPenWidth(ctx->getLineWidth(), ctx->isAutoScale());
float orgw = ctx->getLineWidth();
orgw = (orgw < -0.1f && ctx->isAutoScale()) ? orgw - 1e4f : orgw;
m_impl->canvas->setPen(calcPenColor(ctx->getLineColor()).getARGB(),
w + ctx->getExtraWidth(),
ctx->getLineStyleEx(),
mgMax(m_impl->phase, 0.f), orgw);
}
return !ctx->isNullLine();
}
