em Win图形库
图形用户界面
版本 5.12
手册修订版 0
em WinV5.12 用户参考
手册© 1997 - 2011 SEGGER Microcontroller GmbH & Co. KG
9
1
em Win简介....................................................................................................................23
1.1 本文档的目的 ............................................................................................24
1.2 假定 .......................................................................................................24
1.3 如何
使用本
手册.........................................................................................24
1.4 语法句子的印刷规范 ....................................................................................24
1.5 要求 .......................................................................................................25
1.5.1 目标系统 （硬件）.......................................................................................25
1.5.2 开发环境 （编译器）....................................................................................25
1.6 特性 .......................................................................................................26
1.7 示例和演示 ...............................................................................................27
1.8 初学者套装 ...............................................................................................27
1.9 屏幕和坐标 ...............................................................................................27
1.10 如何将显示器连接到微控制器 .........................................................................28
1.11 数据类型..................................................................................................29
2 入门指南.........................................................................................................................31
2.1 推荐目录结构 ............................................................................................32
2.1.1 子目录 ....................................................................................................32
2.1.2 包含目录..................................................................................................32
2.2 添加
em Win到目标程序...............................................................................32
2.3 创建库 ....................................................................................................33
2.3.1 改编库批处理文件以适应不同系统 ...................................................................33
2.4 要包含在项目中的 C 文件..............................................................................35
2.5
em Win的配置 ..........................................................................................35
2.6 初始化
em Win..........................................................................................36
2.7 有目标硬件时
使用 em Win............................................................................37
2.8 “Hello world”示例程序 .............................................................................37
3 模拟................................................................................................................................39
3.1
使用模拟..................................................................................................40
3.1.1 通过
em Win试用版
使用模拟 .........................................................................40
3.1.1.1 目录结构..................................................................................................40
3.1.1.2 Visual C++ 工作空间 .................................................................................40
3.1.1.3 编译演示程序 ............................................................................................41
3.1.1.4 编译示例..................................................................................................41
3.1.2 通过
em Win源代码
使用模拟 .........................................................................42
3.1.2.1 目录结构..................................................................................................42
3.1.2.2 Visual C++ 工作空间 .................................................................................42
3.1.2.3 编译应用程序 ............................................................................................43
3.1.3 模拟的高级功能 .........................................................................................43
3.1.3.1 暂停和恢复 ...............................................................................................43
3.1.3.2 查看系统信息 ............................................................................................43
3.1.3.3 复制到剪贴板 ............................................................................................43
3.2 设备模拟..................................................................................................44
3.2.1 生成的
框架视图 .........................................................................................45
3.2.2 自定义位图视图 .........................................................................................45
3.2.3 窗口视图..................................................................................................46
3.3 设备模拟 API ............................................................................................47
3.4 硬键模拟..................................................................................................52
3.4.1 硬键模拟 API ............................................................................................5310
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3.5 集成
em Win模拟到现有模拟中...................................................................... 56
3.5.1 目录结构 ................................................................................................. 56
3.5.2
使用模拟库 .............................................................................................. 56
3.5.2.1 修改
WinMain .......................................................................................... 56
3.5.2.2 应用程序示例............................................................................................ 57
3.5.3 集成到
embOS 模拟中 ................................................................................ 58
3.5.3.1
WinMain................................................................................................. 58
3.5.3.2 目标程序 (main) ....................................................................................... 59
3.5.4
GUI模拟 API ........................................................................................... 60
4 查看器 ............................................................................................................................63
4.1
使用查看器 .............................................................................................. 64
4.1.1
使用模拟和查看器 ...................................................................................... 64
4.1.2
使用带虚拟页面的查看器 .............................................................................. 65
4.1.3 总在顶部显示............................................................................................ 65
4.1.4 打开显示输出的更多窗口 .............................................................................. 65
4.1.5 缩放....................................................................................................... 66
4.1.6 将输出复制到剪贴板 ................................................................................... 66
4.1.7
使用带多种显示的查看器 .............................................................................. 67
4.1.8
使用带多种显示的查看器 .............................................................................. 67
5 显示文本.........................................................................................................................69
5.1 基本例程 ................................................................................................. 70
5.2 文本 API ................................................................................................. 71
5.3 显示文本的例程 ......................................................................................... 72
5.4 选择文本绘制模式 ...................................................................................... 79
5.5 选择文本对齐模式 ...................................................................................... 81
5.6 设置当前文本位置 ...................................................................................... 83
5.7 返回当前文本位置 ...................................................................................... 84
5.8 清除窗口或部分窗口的例程 ........................................................................... 84
6 显示数值.........................................................................................................................85
6.1 评估 API ................................................................................................. 86
6.2 显示十进制数值 ......................................................................................... 87
6.3 显示浮点数值............................................................................................ 91
6.4 显示二进制数值 ......................................................................................... 94
6.5 显示十六进制数值 ...................................................................................... 95
6.6
em Win版 ............................................................................................... 96
7 2-D 图形库......................................................................................................................97
7.1 图形 API ................................................................................................. 98
7.2 绘制模式 ................................................................................................100
7.3 查询当前客户区矩形 ..................................................................................102
7.4 画笔大小 ................................................................................................102
7.5 基本绘制例程...........................................................................................103
7.6 Alpha 混合 .............................................................................................110
7.7 绘制位图 ................................................................................................113
7.8 绘制流位图 .............................................................................................116
7.9 绘制线条 ................................................................................................122
7.10 绘制多边形 .............................................................................................126
7.11 绘制圆 ...................................................................................................131
7.12 绘制椭圆 ................................................................................................133
7.13 绘制弧线 ................................................................................................135
7.14 绘制线图 ................................................................................................137
7.15 绘制饼图 ................................................................................................138
7.16 保存和恢复
GUI环境 .................................................................................139
7.17 裁剪......................................................................................................140
8 显示位图文件 ...............................................................................................................141
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11
8.1 BMP 文件支持 ......................................................................................... 142
8.1.1 支持的格式 ............................................................................................. 142
8.1.2 BMP 文件 API ......................................................................................... 142
8.2 JPEG 文件支持 ........................................................................................ 148
8.2.1 支持的 JPEG 压缩方法 ............................................................................... 148
8.2.2 将 JPEG 文件转换为 C 源 ............................................................................ 148
8.2.3 显示 JPEG 文件........................................................................................ 148
8.2.4 存储器
使用............................................................................................. 149
8.2.5 渐进式 JPEG 文件..................................................................................... 149
8.2.6 JPEG 文件 API ........................................................................................ 149
8.3 GIF 文件支持 .......................................................................................... 154
8.3.1 将 GIF 文件转换为 C 源.............................................................................. 154
8.3.2 显示 GIF 文件 ......................................................................................... 154
8.3.3 存储器
使用............................................................................................. 154
8.3.4 GIF 文件 API .......................................................................................... 155
8.4 PNG 文件支持 ......................................................................................... 163
8.4.1 将 PNG 文件转换为 C 源 ............................................................................. 163
8.4.2 显示 PNG 文件 ........................................................................................ 163
8.4.3 存储器
使用............................................................................................. 163
8.4.4 PNG 文件 API ......................................................................................... 163
8.5
使用...Ex() 函数获取数据 .......................................................................... 167
9 字体..............................................................................................................................169
9.1 简介 ..................................................................................................... 170
9.2 字体类型................................................................................................ 170
9.3 字体格式................................................................................................ 172
9.3.1 C 文件格式 ............................................................................................. 172
9.3.2 系统独立字体 (SIF) 格式 ............................................................................ 172
9.3.3 外部位图字体 (XBF) 格式 ........................................................................... 173
9.3.4 TrueType 字体 (TTF) 格式 ......................................................................... 174
9.4 将 TTF 文件转换为 C 源.............................................................................. 174
9.5 声明自定义字体 ....................................................................................... 175
9.6 选择字体................................................................................................ 175
9.7 字体 API................................................................................................ 176
9.8 C 文件相关的字体函数 ............................................................................... 177
9.9 “SIF”文件相关的字体函数 ........................................................................ 178
9.10 “TTF”文件相关的字体函数 ........................................................................ 179
9.11 “XBF”文件相关的字体函数........................................................................ 183
9.12 常见字体相关的函数 .................................................................................. 184
9.13 字符集 .................................................................................................. 188
9.13.1 ASCII................................................................................................... 188
9.13.2 ISO 8859-1 西方拉丁字符集....................................................................... 189
9.13.3 Unicode................................................................................................ 190
9.14 字体转换器 ............................................................................................. 191
9.14.1 添加字体................................................................................................ 191
9.15 标准字体................................................................................................ 192
9.15.1 字体标识符命名约定 .................................................................................. 192
9.15.2 字体文件命名约定..................................................................................... 193
9.15.3 字体的计量、 ROM 大小和字符集 .................................................................. 193
9.15.4 比例字体................................................................................................ 194
9.15.4.1 概述 ..................................................................................................... 194
9.15.4.2 计量、 ROM 大小和
使用的文件..................................................................... 194
9.15.4.3 字符 ..................................................................................................... 196
9.15.5 比例字体，带边框..................................................................................... 202
9.15.5.1 概述 ..................................................................................................... 202
9.15.5.2 计量、 ROM 大小和
使用的文件..................................................................... 202
9.15.5.3 字符 ..................................................................................................... 202
9.15.6 等宽字体................................................................................................ 203
9.15.6.1 概述 ..................................................................................................... 203
9.15.6.2 计量、 ROM 大小和
使用的文件..................................................................... 204
9.15.6.3 字符 ..................................................................................................... 20512
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9.15.7 数字字体 （比例）.....................................................................................209
9.15.7.1 概述......................................................................................................209
9.15.7.2 计量、 ROM 大小和
使用的文件 .....................................................................209
9.15.7.3 字符......................................................................................................209
9.15.8 数字字体 （等宽）.....................................................................................210
9.15.8.1 概述......................................................................................................210
9.15.8.2 计量、 ROM 大小和
使用的文件 .....................................................................211
9.15.8.3 字符......................................................................................................211
10 位图转换器.................................................................................................................213
10.1 功能......................................................................................................214
10.2 加载位图 ................................................................................................214
10.2.1 支持的输入文件格式 ..................................................................................214
10.2.2 从文件加载 .............................................................................................214
10.2.3
使用剪贴板 .............................................................................................215
10.3 从位图生成 C 文件.....................................................................................215
10.3.1 支持的位图格式 ........................................................................................215
10.3.2 调色板信息 .............................................................................................215
10.3.3 透明性 ...................................................................................................216
10.3.4 Alpha 混合 .............................................................................................216
10.3.5 选择最佳格式...........................................................................................217
10.3.6 保存文件 ................................................................................................218
10.4 色彩转换 ................................................................................................219
10.5 生成 C 流文件 ..........................................................................................220
10.6 压缩位图 ................................................................................................220
10.7
使用定制调色板 ........................................................................................221
10.7.1 保存调色板文件 ........................................................................................221
10.7.2 C 文件格式..............................................................................................221
10.7.3 固定调色板模式的调色板文件 .......................................................................221
10.7.4 转换位图 ................................................................................................222
10.8 命令行用法 .............................................................................................222
10.8.1 命令的格式 .............................................................................................222
10.8.2 有效的命令行选项 .....................................................................................222
10.9 转换位图示例...........................................................................................224
11 颜色............................................................................................................................227
11.1 预定义的颜色...........................................................................................228
11.2 颜色条测试例程 ........................................................................................228
11.3 固定调色板模式 ........................................................................................229
11.4 固定调色板模式的详细说明 ..........................................................................230
11.5 应用程序定义的色彩转换 .............................................................................240
11.6 定制调色板模式 ........................................................................................241
11.7 颜色 API ................................................................................................241
11.8 基本颜色函数...........................................................................................242
11.9 索引和色彩转换 ........................................................................................244
12 存储设备.....................................................................................................................247
12.1
使用存储设备：图示 ..................................................................................248
12.2 支持的色彩深度 (bpp)................................................................................248
12.3 存储设备和窗口管理器................................................................................249
12.4 存储设备和多层 ........................................................................................249
12.5 内存要求 ................................................................................................249
12.6 性能......................................................................................................250
12.7 基本函数 ................................................................................................251
12.8
使用存储设备的准备操作 ... .........................................................................251
12.9 多层 / 多显示配置 .....................................................................................251
12.10 配置选项 ................................................................................................251
12.10.1
GUI_USE_M
EMDEV_1BPP_FOR_SCREEN....................................................251
12.11 存储设备 API...........................................................................................251
12.12 基本函数 ................................................................................................253
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13
12.13 分段存储设备 .......................................................................................... 266
12.14 自动设备对象 .......................................................................................... 267
12.15 测量设备对象 .......................................................................................... 269
12.16 动画函数................................................................................................ 271
12.17 动画函数 （需要
使用窗口管理器）................................................................. 272
13 执行模型：单任务 / 多任务.........................................................................................277
13.1 支持的执行模型 ....................................................................................... 278
13.2 单任务系统 （超循环）............................................................................... 278
13.2.1 描述 ..................................................................................................... 278
13.2.2 超循环示例 （无
em Win）.......................................................................... 278
13.2.3 优势 ..................................................................................................... 278
13.2.4 缺点 ..................................................................................................... 278
13.2.5
使用 em Win........................................................................................... 278
13.2.6 超循环示例 （有
em Win）.......................................................................... 279
13.3 多任务系统：一个任务调用
em Win............................................................... 279
13.3.1 描述 ..................................................................................................... 279
13.3.2 优势 ..................................................................................................... 279
13.3.3 缺点 ..................................................................................................... 279
13.3.4
使用 em Win........................................................................................... 279
13.4 多任务系统：多个任务调用
em Win............................................................... 280
13.4.1 描述 ..................................................................................................... 280
13.4.2 优势 ..................................................................................................... 280
13.4.3 缺点 ..................................................................................................... 280
13.4.4
使用 em Win........................................................................................... 280
13.4.5 建议 ..................................................................................................... 280
13.4.6 示例 ..................................................................................................... 280
13.5 支持多任务的
GUI配置函数 ........................................................................ 281
13.6 支持多任务的
GUI配置宏 ........................................................................... 283
13.7 内核接口 API .......................................................................................... 284
13.7.1 示例 ..................................................................................................... 287
14 窗口管理器 (WM) .......................................................................................................289
14.1 术语说明................................................................................................ 290
14.2 回调机制，无效化和渲染 ............................................................................ 291
14.2.1 不
使用回调渲染 ....................................................................................... 291
14.2.2
使用回调渲染 .......................................................................................... 292
14.2.3 背景窗口重绘和回调 .................................................................................. 292
14.2.4 无效化 .................................................................................................. 293
14.2.5 渲染透明窗口 .......................................................................................... 293
14.2.6 自动
使用存储设备..................................................................................... 293
14.2.7 自动
使用多帧缓冲..................................................................................... 294
14.2.8 自动
使用显示
驱动缓存 ............................................................................... 294
14.3 消息 ..................................................................................................... 295
14.3.1 消息结构................................................................................................ 295
14.3.2 消息清单................................................................................................ 295
14.3.3 系统定义的消息 ....................................................................................... 296
14.3.4 指针输入设备 (PID) 消息............................................................................ 300
14.3.5 系统定义的通知代码 .................................................................................. 303
14.3.6 应用定义的消息 ....................................................................................... 303
14.4 配置选项................................................................................................ 304
14.5 WM API ................................................................................................ 305
14.5.1
使用WM API 函数.................................................................................... 307
14.6 基本函数................................................................................................ 307
14.7 存储设备支持 （可选）............................................................................... 336
14.8 定时器相关函数 ....................................................................................... 336
14.9 小工具相关函数 ....................................................................................... 339
14.10 示例 ..................................................................................................... 342
15 窗口对象 （小工具）...................................................................................................34514
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15.1 基础知识 ................................................................................................346
15.1.1 可用小工具 .............................................................................................346
15.1.2 了解重绘机制...........................................................................................347
15.1.3 如何
使用小工具 ........................................................................................347
15.2 配置选项 ................................................................................................349
15.3 通用小工具 API ........................................................................................350
15.3.1 用于小工具的 WM 例程...............................................................................350
15.3.2 常用例程 ................................................................................................350
15.3.3 用户绘制小工具 ........................................................................................354
15.4 BUTTON：按钮小工具 ...............................................................................356
15.4.1 配置选项 ................................................................................................356
15.4.2 通知代码 ................................................................................................357
15.4.3 键盘反应 ................................................................................................357
15.4.4 BUTTON API ..........................................................................................357
15.4.5 示例......................................................................................................370
15.5 CHECKBOX：复选框小工具.........................................................................371
15.5.1 配置选项 ................................................................................................372
15.5.2 通知代码 ................................................................................................372
15.5.3 键盘反应 ................................................................................................372
15.5.4 CHECKBOX API ......................................................................................372
15.5.5 示例......................................................................................................386
15.6 DROPDOWN：下拉列表小工具 ....................................................................387
15.6.1 配置选项 ................................................................................................388
15.6.2 通知代码 ................................................................................................388
15.6.3 键盘反应 ................................................................................................388
15.6.4 DROPDOWN API.....................................................................................388
15.6.5 示例......................................................................................................400
15.7 EDIT：“编辑”小工具 ...............................................................................402
15.7.1 配置选项 ................................................................................................402
15.7.2 通知代码 ................................................................................................402
15.7.3 键盘反应 ................................................................................................403
15.7.4 EDIT API...............................................................................................403
15.7.5 示例......................................................................................................418
15.8 FRAME
WIN：
框架窗口小工具......................................................................419
15.8.1
框架窗口的结构 ........................................................................................420
15.8.2 配置选项 ................................................................................................421
15.8.3 键盘反应 ................................................................................................421
15.8.4 FRAME
WINAPI ......................................................................................421
15.8.5 示例......................................................................................................442
15.9 GRAPH：图形小工具 .................................................................................443
15.9.1 图形小工具的结构 .....................................................................................443
15.9.2 创建和删除图形小工具................................................................................444
15.9.3 绘制过程 ................................................................................................444
15.9.4 支持的曲线类型 ........................................................................................444
15.9.4.1 GRAPH_DATA_XY ...................................................................................445
15.9.4.2 GRAPH_DATA_YT ...................................................................................445
15.9.5 配置选项 ................................................................................................445
15.9.5.1 图形小工具 .............................................................................................445
15.9.5.2 刻度对象 ................................................................................................445
15.9.6 键盘反应 ................................................................................................445
15.9.7 图形 API ................................................................................................445
15.9.7.1 常用例程 ................................................................................................447
15.9.7.2 GRAPH_DATA_YT 相关的例程.....................................................................455
15.9.7.3 GRAPH_DATA_XY 相关的例程.....................................................................459
15.9.7.4 刻度相关的例程 ........................................................................................463
15.9.8 示例......................................................................................................467
15.10 HEADER：标题小工具 ...............................................................................469
15.10.1 配置选项 ................................................................................................470
15.10.2 通知代码 ................................................................................................470
15.10.3 键盘反应 ................................................................................................470
15.10.4 HEADER API ..........................................................................................470
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15
15.10.5 示例 ..................................................................................................... 482
15.11 ICONVIEW：图标视图小工具 ...................................................................... 483
15.11.1 配置选项................................................................................................ 483
15.11.2 通知代码................................................................................................ 484
15.11.3 键盘反应................................................................................................ 484
15.11.4 ICONVIEW API ...................................................................................... 484
15.11.5 示例 ..................................................................................................... 494
15.12 LISTBOX：列表框小工具 ........................................................................... 496
15.12.1 配置选项................................................................................................ 496
15.12.2 通知代码................................................................................................ 496
15.12.3 键盘反应................................................................................................ 496
15.12.4 LISTBOX API......................................................................................... 497
15.12.5 示例 ..................................................................................................... 513
15.13 LISTVIEW：Listview 小工具 ...................................................................... 514
15.13.1 配置选项................................................................................................ 515
15.13.2 通知代码................................................................................................ 515
15.13.3 键盘反应................................................................................................ 515
15.13.4 LISTVIEW API ....................................................................................... 516
15.13.5 示例 ..................................................................................................... 537
15.14 LISTWHEEL：Listwheel 小工具 .................................................................. 539
15.14.1 配置选项................................................................................................ 539
15.14.2 通知代码................................................................................................ 539
15.14.3 键盘反应................................................................................................ 539
15.14.4 LISTWHEEL API ..................................................................................... 540
15.15 MENU：菜单小工具 .................................................................................. 553
15.15.1 菜单消息................................................................................................ 554
15.15.2 数据结构................................................................................................ 555
15.15.3 配置选项................................................................................................ 555
15.15.4 键盘反应................................................................................................ 556
15.15.5 “菜单” API ........................................................................................... 556
15.15.6 示例 ..................................................................................................... 570
15.16 MESSAGEBOX：消息框小工具 .................................................................... 571
15.16.1 配置选项................................................................................................ 571
15.16.2 键盘反应................................................................................................ 571
15.16.3 MESSAGEBOX API.................................................................................. 571
15.17 MULTIEDIT：多行文本小工具 ..................................................................... 573
15.17.1 配置选项................................................................................................ 574
15.17.2 通知代码................................................................................................ 574
15.17.3 键盘反应................................................................................................ 574
15.17.4 MULTIEDIT API...................................................................................... 574
15.17.5 示例 ..................................................................................................... 584
15.18 MULTIPAGE：“多页”小工具 ..................................................................... 586
15.18.1 配置选项................................................................................................ 587
15.18.2 通知代码................................................................................................ 587
15.18.3 键盘反应................................................................................................ 587
15.18.4 MULTIPAGE API..................................................................................... 587
15.18.5 示例 ..................................................................................................... 598
15.19 PROGBAR：进度条小工具.......................................................................... 599
15.19.1 配置选项................................................................................................ 599
15.19.2 键盘反应................................................................................................ 599
15.19.3 PROGBAR API ....................................................................................... 599
15.19.4 示例 ..................................................................................................... 604
15.20 RADIO：单选按钮小工具 ........................................................................... 605
15.20.1 配置选项................................................................................................ 605
15.20.2 通知代码................................................................................................ 605
15.20.3 键盘反应................................................................................................ 606
15.20.4 RADIO API............................................................................................ 606
15.20.5 示例 ..................................................................................................... 615
15.21 SCROLLBAR：滚动条小工具....................................................................... 617
15.21.1 配置选项................................................................................................ 617
15.21.2 通知代码................................................................................................ 61716
em WinV5.12 用户参考
手册© 1997 - 2011 SEGGER Microcontroller GmbH & Co. KG
15.21.3 键盘反应 ................................................................................................617
15.21.4 SCROLLBAR API .....................................................................................618
15.21.5 示例......................................................................................................625
15.22 SLIDER：滑块小工具 ................................................................................626
15.22.1 配置选项 ................................................................................................626
15.22.2 通知代码 ................................................................................................626
15.22.3 键盘反应 ................................................................................................626
15.22.4 SLIDER API ...........................................................................................626
15.22.5 示例......................................................................................................632
15.23 文本文本小工具 ........................................................................................633
15.23.1 配置选项 ................................................................................................633
15.23.2 键盘反应 ................................................................................................633
15.23.3 文本 API ................................................................................................633
15.23.4 示例......................................................................................................639
15.24 TREEVIEW：树形视图小工具.......................................................................640
15.24.1 术语说明 ................................................................................................641
15.24.2 配置选项 ................................................................................................642
15.24.3 通知代码 ................................................................................................642
15.24.4 键盘反应 ................................................................................................642
15.24.5 TREEVIEW API .......................................................................................643
15.24.5.1 常用例程 ................................................................................................644
15.24.5.2 项目相关例程...........................................................................................657
15.24.6 示例......................................................................................................662
15.25
WINDOW：窗口小工具..............................................................................663
15.25.1 配置选项 ................................................................................................663
15.25.2 键盘反应 ................................................................................................663
15.25.3
WINDOW API.........................................................................................663
16 对话框 ........................................................................................................................665
16.1 对话框的基本原理 .....................................................................................666
16.2 创建对话框 .............................................................................................666
16.2.1 资源表 ...................................................................................................666
16.2.2 对话框过程函数 ........................................................................................667
16.2.2.1 初始化对话框...........................................................................................668
16.2.2.2 定义对话框行为 ........................................................................................669
16.3 对话框 API..............................................................................................670
16.4 对话框 ...................................................................................................670
17
GUIBuilder .................................................................................................................673
17.1 简介......................................................................................................674
17.2 入门指南 ................................................................................................675
17.3 创建对话框 .............................................................................................676
17.3.1 选择父小工具...........................................................................................676
17.3.2 在编辑器中调整大小和定位 ..........................................................................676
17.3.3 修改小工具属性 ........................................................................................676
17.3.4 向小工具添加其他函数................................................................................676
17.3.5 删除小工具属性 ........................................................................................677
17.3.6 删除小工具 .............................................................................................677
17.4 保存当前的对话框 .....................................................................................678
17.5
GUIBuilder 的输出 ...................................................................................679
17.6 修改 C 文件 .............................................................................................681
17.7 如何
使用C 文件 .......................................................................................681
18 换肤............................................................................................................................683
18.1 “皮肤”是什么？ ......................................................................................684
18.2 从
使用API 函数到换肤 ...............................................................................684
18.3 可换肤的小工具 ........................................................................................685
18.4
使用皮肤 ................................................................................................685
18.4.1 运行时间配置...........................................................................................686
18.4.2 编译时间配置...........................................................................................686
em WinV5.12 用户参考
手册© 1997 - 2011 SEGGER Microcontroller GmbH & Co. KG
17
18.5 简单更改 “Flex”皮肤外观 ......................................................................... 686
18.6 对 “Flex”皮肤外观所作的重大更改 .............................................................. 687
18.6.1 换肤回调机制 .......................................................................................... 687
18.6.2 更改默认皮肤的外观 .................................................................................. 687
18.6.3 命令列表................................................................................................ 688
18.7 常用的换肤 API........................................................................................ 690
18.8 BUTTON_SKIN_FLEX .............................................................................. 693
18.8.1 配置结构................................................................................................ 693
18.8.2 配置选项................................................................................................ 693
18.8.3 换肤 API................................................................................................ 694
18.8.4 命令列表................................................................................................ 695
18.9 CHECKBOX_SKIN_FLEX .......................................................................... 696
18.9.1 配置结构................................................................................................ 696
18.9.2 配置选项................................................................................................ 696
18.9.3 换肤 API................................................................................................ 697
18.9.4 命令列表................................................................................................ 698
18.10 DROPDOWN_SKIN_FLEX......................................................................... 700
18.10.1 配置结构................................................................................................ 700
18.10.2 配置选项................................................................................................ 701
18.10.3 换肤 API................................................................................................ 701
18.10.4 命令列表................................................................................................ 702
18.11 FRAME
WIN_SKIN_FLEX .......................................................................... 703
18.11.1 配置结构................................................................................................ 703
18.11.2 配置选项................................................................................................ 704
18.11.3 换肤 API................................................................................................ 704
18.11.4 命令列表................................................................................................ 705
18.12 HEADER_SKIN_FLEX .............................................................................. 708
18.12.1 配置结构................................................................................................ 708
18.12.2 配置选项................................................................................................ 708
18.12.3 换肤 API................................................................................................ 709
18.12.4 命令列表................................................................................................ 709
18.13 PROGBAR_SKIN_FLEX ............................................................................ 711
18.13.1 配置结构................................................................................................ 711
18.13.2 配置选项................................................................................................ 711
18.13.3 换肤 API................................................................................................ 712
18.13.4 命令列表................................................................................................ 712
18.14 RADIO_SKIN_FLEX ................................................................................ 715
18.14.1 配置结构................................................................................................ 715
18.14.2 配置选项................................................................................................ 716
18.14.3 换肤 API................................................................................................ 716
18.14.4 命令列表................................................................................................ 717
18.15 SCROLLBAR_SKIN_FLEX......................................................................... 719
18.15.1 配置结构................................................................................................ 719
18.15.2 配置选项................................................................................................ 720
18.15.3 换肤 API................................................................................................ 720
18.15.4 命令列表................................................................................................ 721
18.16 SLIDER_SKIN_FLEX ............................................................................... 724
18.16.1 配置结构................................................................................................ 724
18.16.2 配置选项................................................................................................ 725
18.16.3 换肤 API................................................................................................ 725
18.16.4 命令列表................................................................................................ 726
19 多缓冲 ........................................................................................................................729
19.1 工作原理................................................................................................ 730
19.1.1 双缓冲 .................................................................................................. 730
19.1.2 三缓冲 .................................................................................................. 730
19.2 要求 ..................................................................................................... 731
19.3 限制 ..................................................................................................... 731
19.4 配置 ..................................................................................................... 731
19.4.1
LCD_X_Config() .................................................................................... 731
19.4.2
LCD_X_DisplayDriver()........................................................................... 73218
em WinV5.12 用户参考
手册© 1997 - 2011 SEGGER Microcontroller GmbH & Co. KG
19.5 通过窗口管理器自动
使用多个缓冲器 ...............................................................733
19.6 多缓冲 API..............................................................................................734
20 虚拟屏幕 / 虚拟页面 ...................................................................................................739
20.1 简介......................................................................................................740
20.2 要求......................................................................................................740
20.3 配置......................................................................................................741
20.4 示例.....................................................................................................741
20.4.1 基本示例 ................................................................................................741
20.4.2
使用窗口管理器的实时示例 ..........................................................................743
20.4.3
使用窗口管理器的对话框示例 .......................................................................744
20.5 虚拟屏幕 API...........................................................................................746
21 多层 / 多显示支持 .......................................................................................................747
21.1 简介......................................................................................................748
21.1.1 选择绘图操作所
使用的层 .............................................................................748
21.1.2 选择窗口所
使用的层 ..................................................................................748
21.1.2.1 把窗口从一层移到另一层 .............................................................................749
21.2
使用多层支持...........................................................................................751
21.2.1 透明......................................................................................................751
21.2.2 Alpha 混合 .............................................................................................752
21.2.3 硬件游标 ................................................................................................753
21.2.4 多层示例 ................................................................................................753
21.3
使用多显示支持 ........................................................................................753
21.3.1 启用多显示支持 ........................................................................................753
21.3.2 运行时间屏幕旋转 .....................................................................................754
21.3.3 多显示示例 .............................................................................................754
21.4 配置多层支持...........................................................................................754
21.5 配置多显示支持 ........................................................................................755
21.6 多层 API .......................................
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