Attachment 138382 Details for Bug 105531 – Document the method 'OutputDev::drawImageMask'

[patch] Document the method 'OutputDev::drawImageMask'

0004-Document-method-drawImageMask.patch (text/plain), 1.02 KB, created by oliver.sander on 2018-03-27 19:38:45 UTC

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Creator: oliver.sander

Created: 2018-03-27 19:38:45 UTC

Size: 1.02 KB

patch

obsolete

>From b29c1c85c55b211bc8c0441e28f01e5164dd8022 Mon Sep 17 00:00:00 2001
>From: Oliver Sander <oliver.sander@tu-dresden.de>
>Date: Fri, 23 Mar 2018 22:04:11 +0100
>Subject: [PATCH 4/7] Document method drawImageMask
>
>---
> poppler/OutputDev.h | 5 +++++
> 1 file changed, 5 insertions(+)
>
>diff --git a/poppler/OutputDev.h b/poppler/OutputDev.h
>index c92f85a7..fa3bcee1 100644
>--- a/poppler/OutputDev.h
>+++ b/poppler/OutputDev.h
>@@ -281,6 +281,11 @@ public:
>   virtual void endActualText(GfxState * /*state*/) {}
> 
>   //----- image drawing
>+  // Draw an image mask.  An image mask is a one-bit-per-pixel image, where each pixel
>+  // can only be 'fill color' or 'transparent'.
>+  //
>+  // If 'invert' is false, a sample value of 0 marks the page with the current color,
>+  // and a 1 leaves the previous contents unchanged. If 'invert' is true, these meanings are reversed.
>   virtual void drawImageMask(GfxState *state, Object *ref, Stream *str,
> 			     int width, int height, GBool invert, GBool interpolate,
> 			     GBool inlineImg);
>-- 
>2.16.2
>

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