c#实现在pdf文档中应用多种不同字体-kb88凯时官网登录

目录

• 引入dll
• 应用字体
• c#
• vb.net
• 绘制效果

引入dll

 本次程序中引入的是spire.pdf.dll，引入方法如下：

【方法1】通过安装。

可以在visual studio中打开“kb88凯时官网登录的解决方案资源管理器”，鼠标右键点击“引用”，“管理nuget包”，然后搜索“free spire.pdf”，点击“安装”。

也可以将以下内容复制到pm控制台安装：

install-package freespire.pdf -version 7.8.9

【方法2】手动安装。

可通过手动下载包，然后解压，找到bin文件夹下的spire.pdf.dll。在visual studio中打开“kb88凯时官网登录的解决方案资源管理器”，鼠标右键点击“引用”，“添加引用”，将本地路径bin文件夹下的dll文件添加引用至程序。

应用字体

c#

using spire.pdf;
using spire.pdf.graphics;
using system.drawing;
namespace applyfonts
{
    class program
    {
        static void main(string[] args)
        {
            //创建pdfdocument对象
            pdfdocument pdf = new pdfdocument();
            //添加一页
            pdfpagebase page = pdf.pages.add();
            //初始化y坐标
            float y = 30;
            //使用standard字体绘制文字
            pdffont standardfont = new pdffont(pdffontfamily.helvetica, 14f);
            page.canvas.drawstring("standard font - helvetica", standardfont, pdfbrushes.black, 0, y);
            standardfont = new pdffont(pdffontfamily.timesroman, 14f);
            page.canvas.drawstring("standard font - times_roman", standardfont, pdfbrushes.black, 0, (y = y   16));
            standardfont = new pdffont(pdffontfamily.courier, 14f);
            page.canvas.drawstring("standard font - courier", standardfont, pdfbrushes.black, 0, (y = y   16));
            //使用true type字体绘制文字           
            pdftruetypefont truetypefont = new pdftruetypefont(new font("arial", 12f), true);
            page.canvas.drawstring("truetype font - arial", truetypefont, pdfbrushes.blue, 0, (y = y   30f));
            /*//使用私有字体绘制文字
            string fontfilename = "c:\\users\\administrator\\desktop\\fontfile.ttf";
            truetypefont = new pdftruetypefont(fontfilename, 14f);
            page.canvas.drawstring("private font: 私有字体", truetypefont, pdfbrushes.darkgreen, 0, (y = y   30f));
            */
            //使用cjk字体绘制文字
            pdfcjkstandardfont cjkfont = new pdfcjkstandardfont(pdfcjkfontfamily.monotypeheimedium, 14f);
            page.canvas.drawstring("你 好", cjkfont, pdfbrushes.deeppink, 0, (y = y   30f));
            cjkfont = new pdfcjkstandardfont(pdfcjkfontfamily.hanyangsystemsgothicmedium, 14f);
            page.canvas.drawstring("こんにちは", cjkfont, pdfbrushes.orangered, 0, (y = y   16f));
            cjkfont = new pdfcjkstandardfont(pdfcjkfontfamily.hanyangsystemsshinmyeongjomedium, 14f);
            page.canvas.drawstring("안녕하세요", cjkfont, pdfbrushes.purple, 0, (y = y   16f));
            //保存文档
            pdf.savetofile("applyfonts.pdf",fileformat.pdf);
            system.diagnostics.process.start("applyfonts.pdf");
        }
    }
}

vb.net

imports spire.pdf
imports spire.pdf.graphics
imports system.drawing
namespace applyfonts
    class program
        private shared sub main(args as string())
            '创建pdfdocument对象
            dim pdf as new pdfdocument()
            '添加一页
            dim page as pdfpagebase = pdf.pages.add()
            '初始化y坐标
            dim y as single = 30
            '使用standard字体绘制文字
            dim standardfont as new pdffont(pdffontfamily.helvetica, 14f)
            page.canvas.drawstring("standard font - helvetica", standardfont, pdfbrushes.black, 0, y)
            standardfont = new pdffont(pdffontfamily.timesroman, 14f)
            page.canvas.drawstring("standard font - times_roman", standardfont, pdfbrushes.black, 0, (inlineassignhelper(y, y   16)))
            standardfont = new pdffont(pdffontfamily.courier, 14f)
            page.canvas.drawstring("standard font - courier", standardfont, pdfbrushes.black, 0, (inlineassignhelper(y, y   16)))
            '使用true type字体绘制文字           
            dim truetypefont as new pdftruetypefont(new font("arial", 12f), true)
            page.canvas.drawstring("truetype font - arial", truetypefont, pdfbrushes.blue, 0, (inlineassignhelper(y, y   30f)))
            '//使用私有字体绘制文字
'            string fontfilename = "c:\\users\\administrator\\desktop\\fontfile.ttf";
'            truetypefont = new pdftruetypefont(fontfilename, 14f);
'            page.canvas.drawstring("private font: 私有字体", truetypefont, pdfbrushes.darkgreen, 0, (y = y   30f));
'            
            '使用cjk字体绘制文字
            dim cjkfont as new pdfcjkstandardfont(pdfcjkfontfamily.monotypeheimedium, 14f)
            page.canvas.drawstring("你 好", cjkfont, pdfbrushes.deeppink, 0, (inlineassignhelper(y, y   30f)))
            cjkfont = new pdfcjkstandardfont(pdfcjkfontfamily.hanyangsystemsgothicmedium, 14f)
            page.canvas.drawstring("こんにちは", cjkfont, pdfbrushes.orangered, 0, (inlineassignhelper(y, y   16f)))
            cjkfont = new pdfcjkstandardfont(pdfcjkfontfamily.hanyangsystemsshinmyeongjomedium, 14f)
            page.canvas.drawstring("안녕하세요", cjkfont, pdfbrushes.purple, 0, (inlineassignhelper(y, y   16f)))
            '保存文档
            pdf.savetofile("applyfonts.pdf", fileformat.pdf)
            system.diagnostics.process.start("applyfonts.pdf")
        end sub
        private shared function inlineassignhelper(of t)(byref target as t, value as t) as t
            target = value
            return value
        end function
    end class
end namespace

绘制效果

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