2014-02-15 47 views
0

我正在使用PowerShell脚本来批量绘制字符(有点像flashcards)的图像。.net绘制文字不带轮廓(具体为平假名)

而我遇到了一个我以前见过的问题,那就是字符看起来很脏。例如:

enter image description here

大字符看起来不错,但我相信这只是因为它的规模。如果我放大右边的文字,它看起来也很好。但我希望文本的大小。

我已经使用了以下两种方法来尝试和清理文本,没有效果:

$grph.SmoothingMode.value__ClearTypeGridFit 

另一种方法,我已经使用:

$grph.CompositingQuality = [System.Drawing.Drawing2D.CompositingQuality]::HighQuality 
$grph.InterpolationMode = [System.Drawing.Drawing2D.InterpolationMode]::HighQualityBicubic 
$grph.SmoothingMode = [System.Drawing.Drawing2D.SmoothingMode]::AntiAlias 

我相信这是更来自cleartype字体的工件而不是代码问题,但我正在寻求帮助。

完整的脚本:

  • 读CSV文件(支持UTF-8感谢的LibreOffice)
  • 对于CSV每一行,创建图像。这是创建图像的Foreach语句。
 
$List | ForEach-Object { 
$Name = $_.Name 
$Out = "$Path\$Name.png" 

$imgWidth = 270 
$imgHeight = 450 
$img = New-Object System.Drawing.Bitmap $imgWidth, $imgHeight 
$fontK = New-Object System.Drawing.Font "Meiryo", 85 

$FontAll = New-Object System.Drawing.Font Meiryo, 35 

$BrushBG = [System.Drawing.Brushes]::Transparent 
$BrushFG = [System.Drawing.Brushes]::Lime 

$grph = [System.Drawing.Graphics]::FromImage($img) 

$grph.CompositingQuality = [System.Drawing.Drawing2D.CompositingQuality]::HighQuality 
$grph.InterpolationMode = [System.Drawing.Drawing2D.InterpolationMode]::HighQualityBicubic 
$grph.SmoothingMode = [System.Drawing.Drawing2D.SmoothingMode]::AntiAlias 

$grph.FillRectangle($BrushBG,0,0,$img.Width,$img.Height) 

$kanji = $_.kanji 
$grph.DrawString([String]$kanji, [System.Drawing.Font]$fontK, $BrushFG, [int]0,[int]0) 

$kun = $_.kunyomi 
$fontOn = New-Object System.Drawing.Font "Meiryo", 36 
$kunWidth = [System.Windows.Forms.TextRenderer]::MeasureText($kun, $fontOn) 
$kunLeft = $imgWidth - $kunWidth.Width 
$grph.DrawString([String]$kun, [System.Drawing.Font]$fontOn, $BrushFG, [int]$kunLeft,[int]0) 

$pKun = $_.pronounceKun 
$pKunSize = [System.Windows.Forms.TextRenderer]::MeasureText($pKun, $fontOn) 
$pKunLeft = $imgWidth - $pKunSize.Width 
$grph.DrawString([String]$pKun, [System.Drawing.Font]$fontOn, $BrushFG, $pKunLeft,$kunWidth.Height) 

$grph.Dispose() 
$img.Save($Out) 

Write-Output $Name, $ony 
} 

我除去未示出的图像的部分的代码,但它基本上是复制代码。

如何让平假名ひ和“嗨”没有黑色的锯齿轮廓?

回答

2

我发现我需要做的。

我需要使用System.Drawing.Text.TextRenderingHint来增加我想要的清晰度。

我玩删除其他采样/别名信息,它出现与它我保持一个稍好的图像。

质量现在该代码:

$grph = [System.Drawing.Graphics]::FromImage($img) 

$grph.CompositingQuality = [System.Drawing.Drawing2D.CompositingQuality]::HighQuality 
$grph.InterpolationMode = [System.Drawing.Drawing2D.InterpolationMode]::HighQualityBicubic 
$grph.SmoothingMode = [System.Drawing.Drawing2D.SmoothingMode]::AntiAlias 
$grph.TextRenderingHint = [System.Drawing.Text.TextRenderingHint]::AntiAlias 

和输出的样子:

enter image description here