首页 简易绘图板

简易绘图板

上传者： ziyeshy | 上传时间： 2025-06-19 03:59:54 | 文件大小： 9.45MB | 文件类型： ZIP
【简易绘图板】是一款基于Qt库和Visual Studio 2017开发的简单图形编辑软件，它提供了丰富的绘图工具，旨在满足用户基础的绘图需求。让我们深入了解一下这个项目涉及的技术点。 Qt是一个跨平台的应用程序开发框架，用C++编写，广泛应用于桌面、移动和嵌入式系统。在这款简易绘图板中，Qt扮演了核心角色，提供了一系列用于创建用户界面和处理图形的类和函数。例如，QPainter类是Qt绘图系统的核心，它允许程序员进行复杂的2D图形绘制，包括线条、曲线、形状以及文字等。QPaintEvent和QGraphicsView/QGraphicsScene组合用于高效地更新和管理画布内容。 项目中提到的形状选择功能，可能是通过QGraphicsItem和QGraphicsView的子类实现的。QGraphicsItem可以表示各种图形对象，如矩形、椭圆、多边形等，而QGraphicsView则负责显示这些图形并处理用户的交互事件。用户可以选择不同的形状，并通过拖拽或调整边框来改变形状的大小和位置。 颜色填充功能利用了Qt的画刷（QBrush）和颜色（QColor）类。画刷可以设置填充样式，如实心、空心、线性渐变等，颜色类则提供了丰富的颜色选择和混合方法。 图像增强和几何变换可能涉及到了QImage和QTransform类。QImage用于处理像素级别的图像数据，可以进行读取、写入和修改。图像增强可能包括亮度、对比度调整，或者使用滤波算法。几何变换则包括缩放、旋转、平移等操作，QTransform可以方便地实现这些变换。 灰度变换是指将彩色图像转化为灰度图像，这可以通过将RGB三通道颜色值转换为单个灰度值来完成。Qt的QImage类提供了直接将图像转为灰度的方法。 在文件操作方面，简易绘图板支持打开和保存图片，这通常会用到QFile、QIODevice和QImageReader/QImageWriter类。这些类提供了一种标准的方式来读写不同格式的图像文件，如BMP、JPEG、PNG等。 撤销操作可能依赖于Qt的QUndoStack类，它可以记录和撤销一系列的动作，使得用户能够恢复到之前的状态。 总结来说，这个简易绘图板项目涵盖了Qt图形系统的基础，包括用户界面设计、图形绘制与编辑、图像处理、文件操作和历史记录管理等多个方面。对于学习和理解Qt以及C++的图形编程，这是一个很好的实践案例。

文件下载

资源详情

[{"title":"（ 132 个子文件 9.45MB ） 简易绘图板","children":[{"title":"MainWindow.cpp <span style='color:#111;'> 77.23KB </span>","children":null,"spread":false},{"title":"CreateMenu.cpp <span style='color:#111;'> 22.58KB </span>","children":null,"spread":false},{"title":"moc_MainWindow.cpp <span style='color:#111;'> 16.76KB </span>","children":null,"spread":false},{"title":"moc_CreateMenu.cpp <span style='color:#111;'> 5.83KB </span>","children":null,"spread":false},{"title":"PaintWidget.cpp <span style='color:#111;'> 5.18KB </span>","children":null,"spread":false},{"title":"Geom.cpp <span style='color:#111;'> 5.08KB </span>","children":null,"spread":false},{"title":"Enhance.cpp <span style='color:#111;'> 4.83KB </span>","children":null,"spread":false},{"title":"ImgChange.cpp <span style='color:#111;'> 3.84KB </span>","children":null,"spread":false},{"title":"Morp.cpp <span style='color:#111;'> 3.59KB </span>","children":null,"spread":false},{"title":"Gray.cpp <span style='color:#111;'> 2.86KB </span>","children":null,"spread":false},{"title":"moc_CustomWindow.cpp <span style='color:#111;'> 2.70KB </span>","children":null,"spread":false},{"title":"moc_PaintWidget.cpp <span style='color:#111;'> 2.68KB </span>","children":null,"spread":false},{"title":"moc_Qtest.cpp <span style='color:#111;'> 2.58KB </span>","children":null,"spread":false},{"title":"CustomWindow.cpp <span style='color:#111;'> 1.44KB </span>","children":null,"spread":false},{"title":"qrc_Qtest.cpp <span style='color:#111;'> 1.35KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 213B </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 181B </span>","children":null,"spread":false},{"title":"Qtest.cpp <span style='color:#111;'> 103B </span>","children":null,"spread":false},{"title":"Qtest.exe <span style='color:#111;'> 978.50KB </span>","children":null,"spread":false},{"title":"Qtest.vcxproj.filters <span style='color:#111;'> 3.78KB </span>","children":null,"spread":false},{"title":"MainWindow.h <span style='color:#111;'> 6.83KB </span>","children":null,"spread":false},{"title":"ui_ImageProcessing.h <span style='color:#111;'> 2.31KB </span>","children":null,"spread":false},{"title":"ui_Qtest.h <span style='color:#111;'> 2.03KB </span>","children":null,"spread":false},{"title":"CreateMenu.h <span style='color:#111;'> 1.75KB </span>","children":null,"spread":false},{"title":"PaintWidget.h <span style='color:#111;'> 1.15KB </span>","children":null,"spread":false},{"title":"Enhance.h <span style='color:#111;'> 997B </span>","children":null,"spread":false},{"title":"Morp.h <span style='color:#111;'> 862B </span>","children":null,"spread":false},{"title":"Gray.h <span style='color:#111;'> 799B </span>","children":null,"spread":false},{"title":"Geom.h <span style='color:#111;'> 716B </span>","children":null,"spread":false},{"title":"ImgChange.h <span style='color:#111;'> 658B </span>","children":null,"spread":false},{"title":"CustomWindow.h <span style='color:#111;'> 500B </span>","children":null,"spread":false},{"title":"Qtest.h <span style='color:#111;'> 209B </span>","children":null,"spread":false},{"title":"icon.ico <span style='color:#111;'> 271.28KB </span>","children":null,"spread":false},{"title":"2.ico <span style='color:#111;'> 264.06KB </span>","children":null,"spread":false},{"title":"Qtest.ilk <span style='color:#111;'> 16.33MB </span>","children":null,"spread":false},{"title":"pongo.jpg <span style='color:#111;'> 168.27KB </span>","children":null,"spread":false},{"title":"test.jpg <span style='color:#111;'> 104.38KB </span>","children":null,"spread":false},{"title":"circle.jpg <span style='color:#111;'> 60.92KB </span>","children":null,"spread":false},{"title":"lena.jpg <span style='color:#111;'> 60.59KB </span>","children":null,"spread":false},{"title":"lena.jpg <span style='color:#111;'> 48.14KB </span>","children":null,"spread":false},{"title":"Eraser.jpg <span style='color:#111;'> 44.94KB </span>","children":null,"spread":false},{"title":"Qtest.lastbuildstate <span style='color:#111;'> 216B </span>","children":null,"spread":false},{"title":"Qtest.Build.CppClean.log <span style='color:#111;'> 3.82KB </span>","children":null,"spread":false},{"title":"qt.log <span style='color:#111;'> 2.67KB </span>","children":null,"spread":false},{"title":"Qtest.log <span style='color:#111;'> 86B </span>","children":null,"spread":false},{"title":"MainWindow.obj <span style='color:#111;'> 1.95MB </span>","children":null,"spread":false},{"title":"CreateMenu.obj <span style='color:#111;'> 884.20KB </span>","children":null,"spread":false},{"title":"Enhance.obj <span style='color:#111;'> 795.03KB </span>","children":null,"spread":false},{"title":"ImgChange.obj <span style='color:#111;'> 718.84KB </span>","children":null,"spread":false},{"title":"Geom.obj <span style='color:#111;'> 640.93KB </span>","children":null,"spread":false},{"title":"Gray.obj <span style='color:#111;'> 638.00KB </span>","children":null,"spread":false},{"title":"Morp.obj <span style='color:#111;'> 636.50KB </span>","children":null,"spread":false},{"title":"moc_MainWindow.obj <span style='color:#111;'> 590.02KB </span>","children":null,"spread":false},{"title":"moc_CreateMenu.obj <span style='color:#111;'> 571.23KB </span>","children":null,"spread":false},{"title":"main.obj <span style='color:#111;'> 560.87KB </span>","children":null,"spread":false},{"title":"PaintWidget.obj <span style='color:#111;'> 322.75KB </span>","children":null,"spread":false},{"title":"CustomWindow.obj <span style='color:#111;'> 292.18KB </span>","children":null,"spread":false},{"title":"moc_CustomWindow.obj <span style='color:#111;'> 277.69KB </span>","children":null,"spread":false},{"title":"moc_PaintWidget.obj <span style='color:#111;'> 277.68KB </span>","children":null,"spread":false},{"title":"Qtest.obj <span style='color:#111;'> 150.87KB </span>","children":null,"spread":false},{"title":"moc_Qtest.obj <span style='color:#111;'> 83.71KB </span>","children":null,"spread":false},{"title":"qrc_Qtest.obj <span style='color:#111;'> 6.28KB </span>","children":null,"spread":false},{"title":"Qtest.pdb <span style='color:#111;'> 11.05MB </span>","children":null,"spread":false},{"title":"vc141.pdb <span style='color:#111;'> 7.50MB </span>","children":null,"spread":false},{"title":"Help_Info.png <span style='color:#111;'> 141.40KB </span>","children":null,"spread":false},{"title":"Gray_Gamma.png <span style='color:#111;'> 60.72KB </span>","children":null,"spread":false},{"title":"Gray_Histeq.png <span style='color:#111;'> 51.17KB </span>","children":null,"spread":false},{"title":"ImageProcessing.png <span style='color:#111;'> 46.61KB </span>","children":null,"spread":false},{"title":"Geom_RotateCenter.png <span style='color:#111;'> 36.67KB </span>","children":null,"spread":false},{"title":"3.png <span style='color:#111;'> 35.50KB </span>","children":null,"spread":false},{"title":"img_black.png <span style='color:#111;'> 32.01KB </span>","children":null,"spread":false},{"title":"img_white.png <span style='color:#111;'> 31.40KB </span>","children":null,"spread":false},{"title":"Geom_Flip.png <span style='color:#111;'> 26.75KB </span>","children":null,"spread":false},{"title":"Gray_Linear.png <span style='color:#111;'> 25.67KB </span>","children":null,"spread":false},{"title":"SaveAs.png <span style='color:#111;'> 16.71KB </span>","children":null,"spread":false},{"title":"Gray_Log.png <span style='color:#111;'> 14.90KB </span>","children":null,"spread":false},{"title":"Open.png <span style='color:#111;'> 14.70KB </span>","children":null,"spread":false},{"title":"2.png <span style='color:#111;'> 13.96KB </span>","children":null,"spread":false},{"title":"Edit_Resume.png <span style='color:#111;'> 13.71KB </span>","children":null,"spread":false},{"title":"Edit_Cancel.png <span style='color:#111;'> 13.30KB </span>","children":null,"spread":false},{"title":"Rhombus.png <span style='color:#111;'> 12.94KB </span>","children":null,"spread":false},{"title":"Circle.png <span style='color:#111;'> 12.43KB </span>","children":null,"spread":false},{"title":"Gray_Reverse.png <span style='color:#111;'> 11.05KB </span>","children":null,"spread":false},{"title":"Gray_Bin.png <span style='color:#111;'> 9.52KB </span>","children":null,"spread":false},{"title":"Painbrush.png <span style='color:#111;'> 8.50KB </span>","children":null,"spread":false},{"title":"Triangle.png <span style='color:#111;'> 8.28KB </span>","children":null,"spread":false},{"title":"Save.png <span style='color:#111;'> 8.01KB </span>","children":null,"spread":false},{"title":"Geom_FlipX.png <span style='color:#111;'> 7.86KB </span>","children":null,"spread":false},{"title":"Geom_FlipY.png <span style='color:#111;'> 7.43KB </span>","children":null,"spread":false},{"title":"Hexagon.png <span style='color:#111;'> 7.39KB </span>","children":null,"spread":false},{"title":"Geom_Default.png <span style='color:#111;'> 6.87KB </span>","children":null,"spread":false},{"title":"Elipse.png <span style='color:#111;'> 6.55KB </span>","children":null,"spread":false},{"title":"New.png <span style='color:#111;'> 5.99KB </span>","children":null,"spread":false},{"title":"Geom_EnlargeReduce.png <span style='color:#111;'> 5.12KB </span>","children":null,"spread":false},{"title":"Geom_Enlarge.png <span style='color:#111;'> 4.16KB </span>","children":null,"spread":false},{"title":"Geom_Reduce.png <span style='color:#111;'> 4.13KB </span>","children":null,"spread":false},{"title":"Octagon.png <span style='color:#111;'> 4.11KB </span>","children":null,"spread":false},{"title":"Gray_Gray.png <span style='color:#111;'> 3.34KB </span>","children":null,"spread":false},{"title":"Geom_Center.png <span style='color:#111;'> 3.23KB </span>","children":null,"spread":false},{"title":"Gray_Nolinear.png <span style='color:#111;'> 2.79KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]

评论信息

其他资源

免责申明

【只为小站】的资源来自网友分享，仅供学习研究，请务必在下载后24小时内给予删除，不得用于其他任何用途，否则后果自负。基于互联网的特殊性，【只为小站】 无法对用户传输的作品、信息、内容的权属或合法性、合规性、真实性、科学性、完整权、有效性等进行实质审查；无论 【只为小站】 经营者是否已进行审查，用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。
本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二条之规定，若资源存在侵权或相关问题请联系本站客服人员，zhiweidada#qq.com，请把#换成@，本站将给予最大的支持与配合，做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明

个人信息

下载历史

相关资源标签

热门下载

最新下载