在cairo_pdf中设置粗体样式 [英] Set bold style in cairo_pdf
问题描述
我正在使用 cairo_pdf()在R中生成带有漂亮字体的绘图.如果我指定的字体系列具有合理的基本粗细命名，例如"Arial"包含Arial Regular，Arial Bold，Arial Italic和Arial Bold Italic.
I'm using cairo_pdf() to generate a plot in R with nice fonts. It works fine if the font family I specify has basic weights named sensibly, e.g. "Arial" contains Arial Regular, Arial Bold, Arial Italic, Arial Bold Italic.
但是有没有一种方法可以随意设置给定样式的字体?例如，在Hoefler文字中，我有Hoefler文字 Black 而不是粗体.我可以得到cairo_pdf将此重量用于粗体文本吗?
But is there a way to arbitrarily set the font for a given style? For example, in Hoefler Text I have Hoefler Text Black not Bold. Can I get cairo_pdf to use this weight for bold text?
推荐答案
我可能使用的操作系统与您不同，但我想知道是否有可能在Linux机器上成功完成此任务，尽管这样做可能不会成功在我的Mac上成功.字体样式是由Mac专用的应用程序FontBook.app确定的，但我想您具有 fontforge 或类似的访问方式，可以确定所需的样式名称.:
I'm probably using a different OS than you but I'm wondering if there's a chance that this will succeed on a Linux box, although it doesn't succeed on my Mac. The font styles were determined with Mac-specific application, FontBook.app, but I imagine that you have fontforge or similar access to a way to determine needed names of styles.:
Cairo::CairoFonts( # for some reason I seem to need the `pkgname::` format
regular="Hoefler Text:style=Regular",
bold="Hoefler Text:style=Black",
italic="Hoefler Text:style=Italic",
bolditalic="Hoefler Text:style=Black Italic",
symbol="Symbol"
)
Cairo::CairoFontMatch("Hoefler Text:style=Black",verbose=TRUE)
cairo_pdf("test_bold.pdf", family="Hoefler Text")
plot(1,1, main=bquote(bold(test~fl~ligature)) )
dev.off()
我的机器上的输出似乎是在'Hoefler Text'系列中，但是样式似乎与非粗体调用没有什么不同.我认为Linux机器可能会更好.
The output on my machine appears to be in the 'Hoefler Text' family, but the style does not appear to be any different that the non-bold call. I thinking a Linux machine might have better luck.
更新:我使用在SO搜索中找到的在线字体转换器"之一将"Hoefler Text.ttc"(TrueType集合)字体提取到其组件中.我将它们移到/Library/Fonts/目录中.我查看了 Cairo :: CairoFontMatch("HoeflerText:style = Black"，verbose = TRUE)的输出，并看到那里正在看到ttc文件，因此我将原始ttc文件移到了-字体目录并重新启动R.现在，当我运行时:
Update: I used one of the "online font converters" found on an SO search to extract the 'Hoefler Text.ttc' (a TrueType collection) fonts into its components. I moved them into the /Library/Fonts/ directory. I looked at the output from Cairo::CairoFontMatch("HoeflerText:style=Black",verbose=TRUE) and saw that there it was seeing the ttc file so I moved the original ttc file to a non-Font directory and restarted R.
Now when I run:
cairo_pdf("test_bold.pdf", family="HoeflerText")
plot(1,1, main=bquote(bold(test~fl~ligature)) ); dev.off()
...，然后在我的PDF查看器中查看，我看到一个粗体字体作为标题.我不确定这是否是a)用R重新映射字体的结果，或者b)查看器现在正在正确查找并且cairo_pdf设备没有给它正确的名称，所以我不确定.无论如何，我现在可以进行正确的查找:
... and view in my PDF viewer I see a bold font as title. I am not sure if this is actually a result of a) remapping the fonts by R or if b) the viewer is now doing the proper lookup and had not been given the correct name by the cairo_pdf device. At any rate, I am now able to do the correct lookup:
> Cairo::CairoFontMatch("HoeflerText:style=Black",verbose=TRUE)
1. family: "Hoefler Text", style: "Black", file: "/Library/Fonts/HoeflerText-Black.ttf"
"Hoefler Text-12:familylang=en:style=Black,黑體,Sort,Sehr fett,Lihava,Noir,Nero,ブラック,두껍게,Zwart,Svart,Preto,Насыщенный жирный,Extrafet,黑体,Negra:stylelang=en,zh-tw,da,de,fi,fr,it,ja,ko,nl,no,pt,ru,sv,zh-cn,es:fullname=Hoefler Text Black:fullnamelang=en:slant=0:weight=0:width=100:pixelsize=12.5:foundry=unknown:hintstyle=3:hinting=True:verticallayout=False:autohint=False:globaladvance=True:file=/Library/Fonts/HoeflerText-Black.ttf:index=0:outline=True:scalable=True:dpi=75:scale=1:charset= |>^1!|>^1!P0oWQ U>w0A|>^1!|>^1!!!!%#lm6Uq{tu}/lr9j#{}!CB!!OoV!/9m> !%J<G!!!)$&olY4 !^^7$ 9;*f! !!!.%!!#&|!!!&S !!!!# !!!1&|>^1!|>^1!|>^1!!)Ib~9R6#i(){NjxJemz#%jg%!!#0GM>RAd#y#fx!!!!5s<..R!!%U3!!