之前一代示波器中波形的绘制是采用的函数GUI_DrawPolyLine,二代示波器中也采用这个函数的话,发现速度慢了好多,而使用函数GUI_DrawGraph却不存在这个问题。而且重新优化底层,函数GUI_DrawPolyLine的性能并没有提升,估计是内部执行机制的问题。使用函数GUI_DrawPolyLine的好处就是可以实现各种波形效果,鉴于这个函数性能比较差...
Singing, unlike playing the piano or learning to draw, wasn’t deemed worthy of spending money on - wasn’t even seen as a skill. After multiple pitches, I finally got my way, just a foot in the door: one month...
GUI_DispString("Hello World!!"); //显示字符 GUI_DrawCircle(100,200,50); //画圆 代码写完,编译工程,编译时间1-10分钟左右(电脑性能决定)。 效果图: 编译成功之后,将代码下载到开发板运行。 效果如图: 2.8 编译错误解决办法 如果编译出现下面的错误: ..\OBJ\KEY.axf: Error: L6218E: Undef...
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and advanced features, it keeps giving tough competition to other titles in this category. The only drawback is that the software suffers from some privacy issues, which is often a problem with other internet browsers too. If that’s not a major concern for you,UC Browser for Androidwill be...
uC-GUI 3.98|FreeType|TrueType|移植|GUI_AA__DrawCharAA8 函数缺失 一、为什么这么做。 现在网上能找到的最高版本的 uC-GUI 源码的版本是 V3.98。最近在做一个东西需要用到 TrueType 字体,需要移植 FreeType。我们都知道 uC-GUI 其实就是 EMWIN,而EMWIN 给出的有一个 emwin_freetype 组件包,版本包含V4.1...
drawGlyphToBuffer (hzmem_buffer + (m_nHZY * texsize) + m_nHZX, texsize); // Create a new image in the imageset Rect area(static_cast<float>(m_nHZX), static_cast<float>(m_nHZY), static_cast<float>(m_nHZX + glyph_w – INTER_GLYPH_PAD_SPACE), ...
LCD_L0_DrawVLine(y0, y1, color);return; }elseif(x0 >x1){ dx= x0 -x1; x=x1; x1=x0; y=y1; y1=y0; }else{ dx= x1 -x0; x=x0; y=y0; }if(dx ==dy){while(x <=x1){ x++;if(y >y1){ y--; }else{ y++; ...
On the bright side, being an artist has taught me to take risks and experiment with new techniques and media. It’s taught me to draw meaning and intent with minimal words and text. It’s taught me to organize and focus, by simplifying subjects and ...
具体来说,我们可以在ucos-ii的main函数中调用ucGUI的init函数来初始化ucGUI,然后在主循环中调用ucGUI的draw函数来绘制图形界面。同时,我们还需要实现ucos-ii的其他功能,如任务调度、内存管理等。 通过这个实例,我们可以看到Embest IDE的强大功能,它可以帮助我们快速地实现嵌入式系统的开发。 点...