mirror of
https://github.com/zhongyang219/MusicPlayer2.git
synced 2026-10-22 17:35:51 +08:00
ZhongYang
102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
// PlayerProgressBar.cpp : 实现文件
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//
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#include "stdafx.h"
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#include "MusicPlayer2.h"
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#include "PlayerProgressBar.h"
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#include "DrawCommon.h"
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// CPlayerProgressBar
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IMPLEMENT_DYNAMIC(CPlayerProgressBar, CStatic)
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CPlayerProgressBar::CPlayerProgressBar()
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: m_theme_color(theApp.m_app_setting_data.theme_color)
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{
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}
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CPlayerProgressBar::~CPlayerProgressBar()
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{
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}
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void CPlayerProgressBar::SetProgress(int progress)
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{
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m_progress = progress;
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if (m_progress < 0)
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m_progress = 0;
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if (m_progress > 100)
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m_progress = 100;
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Invalidate();
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}
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void CPlayerProgressBar::SetBackgroundColor(COLORREF back_color)
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{
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m_back_color = back_color;
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}
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void CPlayerProgressBar::SetBarCount(int bar_cnt)
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{
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m_bar_count = bar_cnt;
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}
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BEGIN_MESSAGE_MAP(CPlayerProgressBar, CStatic)
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ON_WM_PAINT()
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END_MESSAGE_MAP()
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// CPlayerProgressBar 消息处理程序
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void CPlayerProgressBar::OnPaint()
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{
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CPaintDC dc(this); // device context for painting
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// TODO: 在此处添加消息处理程序代码
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// 不为绘图消息调用 CStatic::OnPaint()
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CRect rect;
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GetClientRect(rect);
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//双缓冲绘图
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CDrawDoubleBuffer drawDoubleBuffer(&dc, rect);
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CDrawCommon drawer;
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drawer.Create(drawDoubleBuffer.GetMemDC(), this);
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//开始绘图
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int gap_width = rect.Width() / m_bar_count / 4;
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if (gap_width < 1)
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gap_width = 1;
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drawer.FillRect(rect, m_back_color);
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CRect rc_tmp{ rect };
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rc_tmp.DeflateRect(theApp.DPI(1), theApp.DPI(1));
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//绘制进度条
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int bar_width = (rc_tmp.Width() - theApp.DPI(2) * 2) / m_bar_count; //每一格的宽度
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if (bar_width < gap_width + 1)
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bar_width = gap_width + 1;
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int progress_width = bar_width * m_bar_count + theApp.DPI(2) * 2;
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rc_tmp.right = rect.left + progress_width;
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drawer.FillRect(rc_tmp, RGB(255, 255, 255));
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drawer.DrawRectOutLine(rc_tmp, m_theme_color.dark1, theApp.DPI(1), false);
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int bar_cnt = m_progress / (100 / m_bar_count) + 1; //格子数
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int last_bar_percent = m_progress % (100 / m_bar_count);
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CRect rc_bar{ rc_tmp };
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rc_bar.DeflateRect(theApp.DPI(2), theApp.DPI(2));
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rc_bar.right = rc_bar.left + bar_width - gap_width;
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int start_x_pos = rc_bar.left;
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for (int i = 0; i < bar_cnt; i++)
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{
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rc_bar.MoveToX(start_x_pos + i * bar_width);
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if (i != bar_cnt - 1)
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{
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drawer.FillRect(rc_bar, m_theme_color.dark1, true);
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}
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else
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{
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BYTE alpha = ALPHA_CHG(last_bar_percent * m_bar_count);
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drawer.FillAlphaRect(rc_bar, m_theme_color.dark1, alpha, true);
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}
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}
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}
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