Attachment 133598 Details for Bug 102288 – Patch adding documentation to the updateCTM method

[patch] Patch adding documentation to the updateCTM method

0002-Document-the-updateCTM-method.patch (text/plain), 1.06 KB, created by oliver.sander on 2017-08-18 09:29:15 UTC

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Creator: oliver.sander

Created: 2017-08-18 09:29:15 UTC

Size: 1.06 KB

patch

obsolete

>From 941252bfa8e3ce4d92ac4b1720ca36b0fc405b94 Mon Sep 17 00:00:00 2001
>From: Oliver Sander <oliver.sander@tu-dresden.de>
>Date: Sun, 13 Aug 2017 19:47:15 +0200
>Subject: [PATCH 2/2] Document the updateCTM method
>
>---
> poppler/OutputDev.h | 6 ++++++
> 1 file changed, 6 insertions(+)
>
>diff --git a/poppler/OutputDev.h b/poppler/OutputDev.h
>index a15d56b1..3a522099 100644
>--- a/poppler/OutputDev.h
>+++ b/poppler/OutputDev.h
>@@ -167,6 +167,12 @@ public:
> 
>   //----- update graphics state
>   virtual void updateAll(GfxState *state);
>+
>+  // Update the Current Transformation Matrix (CTM), i.e., the new matrix
>+  // given in m11, ..., m32 is combined with the current value of the CTM.
>+  // At the same time, when this method is called, state->getCTM() already
>+  // contains the correct new CTM, so one may as well replace the
>+  // CTM of the renderer with that.
>   virtual void updateCTM(GfxState * /*state*/, double /*m11*/, double /*m12*/,
> 			 double /*m21*/, double /*m22*/, double /*m31*/, double /*m32*/) {}
>   virtual void updateLineDash(GfxState * /*state*/) {}
>-- 
>2.14.1
>

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