备份

demo/kugou/lrcPanel.cpp

@@ -0,0 +1,143 @@
+#include "lrcPanel.h"
+void LrcPanel::ChangePostion(int postion)
+{
+	for (auto _it = LrcList.rbegin(); _it != LrcList.rend(); _it++)
+	{
+		auto it = *_it;
+		if (it->postion <= postion) {
+			LrcNow = it;
+			break;
+		}
+	}
+	if (this->GetRect().IsEmptyArea()) {
+		return;
+	}
+	if (LrcNow == NULL) {
+		return;
+	}
+	VerticalCenter = this->Height() / 2 - (marginVertical + FontHeight) / 2;
+	offsetY = LrcNow->point.Y - VerticalCenter;
+}
+
+void LrcPanel::Task()
+{
+	if (this->GetRect().IsEmptyArea() || LrcNow == NULL) {
+		return;
+	}
+	offsetY = LrcNow->point.Y - VerticalCenter;
+	if (std::abs(offsetY) <= 1)
+	{
+		return;
+	}
+
+	auto v = std::abs(offsetY);
+	int v2 = v * 0.025;
+	if (v2 == 0) {
+		v2 = 1;
+	};
+
+	for (auto& item : LrcList)
+	{
+		Lrc* lrc = item;
+
+		if (offsetY < 0)
+		{
+			lrc->point.Y += v2;
+		}
+		else if (offsetY > 0)
+		{
+			lrc->point.Y -= v2;
+		}
+	}
+
+		BeginInvoke([=]() {
+			Invalidate();
+			});
+
+}
+void LrcPanel::OnBackgroundPaint(PaintEventArgs& arg) {
+
+	__super::OnBackgroundPaint(arg);
+	for (auto&& item : LrcList)
+	{
+		Lrc& lrc = *item;
+		Rect rectangle(lrc.point.X, lrc.point.Y, Width(), (int)FontHeight);
+		auto w = UIString(lrc.text).unicode();
+		Rect drawRec(GetRect());
+		if (drawRec.Contains(rectangle))
+		{
+			float fontSize = 14 * this->GetScale();
+			if (LrcNow == &lrc)
+			{
+				arg.Graphics.SetColor(Color(211, 174, 87));
+				arg.Graphics.SetFont(GetFontFamily(), fontSize + 4);
+				arg.Graphics.DrawString(lrc.text.unicode(), rectangle, TextAlign::MiddleCenter);
+			}
+			else
+			{
+				arg.Graphics.SetColor(GetForeColor());
+				arg.Graphics.SetFont(GetFontFamily(), fontSize);
+				arg.Graphics.DrawString(lrc.text.unicode(), rectangle, TextAlign::MiddleCenter);
+			}
+		}
+	}
+}
+
+void LrcPanel::Clear()
+{
+	timer->Stop();
+	LrcNow = NULL;
+	for (auto& it : LrcList) {
+		delete it;
+	}
+	LrcList.clear();
+	VerticalCenter = Height() / 2 - (marginVertical + FontHeight) / 2;
+}
+
+LrcPanel::~LrcPanel()
+{
+	if (timer) {
+		timer->Stop();
+		delete timer;
+	}
+	for (auto& it : LrcList) {
+		delete it;
+	}
+}
+
+LrcPanel::LrcPanel()
+{
+	timer = new Timer;
+	timer->Interval = 2;
+	timer->Tick = [=](Timer*) {
+		Task();
+		};
+}
+
+void LrcPanel::LoadLrc(const UIString& lrcData)
+{
+	Clear();
+	auto lrc = lrcData.split("\n");
+	auto gbk = lrcData.ansi();
+	for (auto&& it : lrc) {
+		if (it.empty()) continue;
+		int pos1 = it.find("[");
+		int pos2 = it.find("]");
+		if (pos1 == 0 && pos2 == 9) {}
+		else {
+			continue;
+		}
+		UIString text = it.substr(pos2 + 1);
+		int fen = std::atoi(it.substr(1, 2).c_str());
+		float miao = std::atof(it.substr(4, 5).c_str());
+		int postion = (fen * 60 * 1000 + miao * 1000);
+		LrcList.push_back(new Lrc(postion, text, Point(0, VerticalCenter)));
+		VerticalCenter += (FontHeight + marginVertical);
+	}
+
+	if (LrcList.size() > 0)
+	{
+		LrcNow = LrcList[0];//
+		timer->Start();
+	}
+}