ArthurHub / ArthurHub/HTML-Renderer
PrintDocument graphics gdi+ vs gdi issue (winforms)
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- C#
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- 14 天 9 小時
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描述
Hi,
It seems like something is off with regular gdi rendering in the current version. Seems like it is being output at an extremely small resolution, even though I'm passing the correct margin data.
Here's a ghetto phone pic of my printed output:

Here are the statements I'm using:
`HtmlRender.Render(printerGraphics, html, (float)printedMarginArea.Left, (float)printedMarginArea.Top, (float)printedMarginArea.Width);`
`HtmlRender.RenderGdiPlus(printerGraphics, html, (float)printedMarginArea.Left, (float)printedMarginArea.Top, (float)printedMarginArea.Width);`
The regular "render" method appears to be scaling correctly in 1.3.0, but I'm missing too much functionality to be able to use that version. I'm trying to poke around the source code but I'm not able to find the disconnect...
Appreciate it!
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研究方向
首先,使用提到的兩個進入點 HtmlRender.Render 和 HtmlRender.RenderGdiPlus,以及提供的邊界值,透過 PrintDocument 重現此問題。比較列印縮放比例,並檢查轉譯路徑,以找出一般 GDI 處理在哪裡出現差異;完成的條件是一般 Render 能產生正確縮放的輸出,同時不失去回報者所需的功能。
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