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203 lines
7.6 KiB
Diff
203 lines
7.6 KiB
Diff
From 590e32c60b1dfb32b34632f3d1b0b5cf7c8e4b84 Mon Sep 17 00:00:00 2001
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From: Maarten Bent <MaartenBent@users.noreply.github.com>
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Date: Sat, 1 Aug 2020 11:54:26 +0200
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Subject: [PATCH] Fix building with wxUSE_STL enabled in VS2019 16.6
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Exporting standard C++ library types is not allowed any more, see
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https://developercommunity.visualstudio.com/content/problem/1042081/142628801includexhash201332-error-c2338-this-funct.html
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so don't use DLL export declarations for wxHash{Map,Set} classes, which
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derive from std::{map,set}.
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Since the classes are header-only, this should have no direct
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consequences. Only classes that extend wxHashMap or wxHashSet, like
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wxImageHistogram, have to be made header only as well.
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Remove the wxLogError message in wxImageHistogram::FindFirstUnusedColour, so
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log.h and translation.h do not have to be included in the header.
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Closes https://github.com/wxWidgets/wxWidgets/pull/2009
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---
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include/wx/hashmap.h | 9 ++++++---
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include/wx/hashset.h | 6 ++++--
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include/wx/image.h | 42 ++++++++++++++++++++++++++++++++++++++----
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src/common/image.cpp | 43 -------------------------------------------
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4 files changed, 48 insertions(+), 52 deletions(-)
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diff --git a/include/wx/hashmap.h b/include/wx/hashmap.h
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index df9092a3823..86700f40ca9 100644
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--- a/include/wx/hashmap.h
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+++ b/include/wx/hashmap.h
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@@ -678,24 +678,27 @@ public: \
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// and these do exactly the same thing but should be used inside the
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// library
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+// note: DECL is not used since the class is inline
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#define WX_DECLARE_HASH_MAP_WITH_DECL( KEY_T, VALUE_T, HASH_T, KEY_EQ_T, CLASSNAME, DECL) \
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- _WX_DECLARE_HASH_MAP( KEY_T, VALUE_T, HASH_T, KEY_EQ_T, CLASSNAME, DECL )
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+ _WX_DECLARE_HASH_MAP( KEY_T, VALUE_T, HASH_T, KEY_EQ_T, CLASSNAME, class )
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#define WX_DECLARE_EXPORTED_HASH_MAP( KEY_T, VALUE_T, HASH_T, KEY_EQ_T, CLASSNAME) \
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WX_DECLARE_HASH_MAP_WITH_DECL( KEY_T, VALUE_T, HASH_T, KEY_EQ_T, \
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CLASSNAME, class WXDLLIMPEXP_CORE )
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+// note: DECL is not used since the class is inline
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#define WX_DECLARE_STRING_HASH_MAP_WITH_DECL( VALUE_T, CLASSNAME, DECL ) \
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_WX_DECLARE_HASH_MAP( wxString, VALUE_T, wxStringHash, wxStringEqual, \
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- CLASSNAME, DECL )
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+ CLASSNAME, class )
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#define WX_DECLARE_EXPORTED_STRING_HASH_MAP( VALUE_T, CLASSNAME ) \
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WX_DECLARE_STRING_HASH_MAP_WITH_DECL( VALUE_T, CLASSNAME, \
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class WXDLLIMPEXP_CORE )
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+// note: DECL is not used since the class is inline
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#define WX_DECLARE_VOIDPTR_HASH_MAP_WITH_DECL( VALUE_T, CLASSNAME, DECL ) \
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_WX_DECLARE_HASH_MAP( void*, VALUE_T, wxPointerHash, wxPointerEqual, \
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- CLASSNAME, DECL )
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+ CLASSNAME, class )
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#define WX_DECLARE_EXPORTED_VOIDPTR_HASH_MAP( VALUE_T, CLASSNAME ) \
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WX_DECLARE_VOIDPTR_HASH_MAP_WITH_DECL( VALUE_T, CLASSNAME, \
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diff --git a/include/wx/hashset.h b/include/wx/hashset.h
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index bb713b87f4f..311aeca9a6e 100644
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--- a/include/wx/hashset.h
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+++ b/include/wx/hashset.h
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@@ -159,8 +159,9 @@ public: \
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// and these do exactly the same thing but should be used inside the
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// library
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+// note: DECL is not used since the class is inline
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#define WX_DECLARE_HASH_SET_WITH_DECL( KEY_T, HASH_T, KEY_EQ_T, CLASSNAME, DECL) \
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- _WX_DECLARE_HASH_SET( KEY_T, HASH_T, KEY_EQ_T, wxPTROP_NORMAL, CLASSNAME, DECL )
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+ _WX_DECLARE_HASH_SET( KEY_T, HASH_T, KEY_EQ_T, wxPTROP_NORMAL, CLASSNAME, class )
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#define WX_DECLARE_EXPORTED_HASH_SET( KEY_T, HASH_T, KEY_EQ_T, CLASSNAME) \
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WX_DECLARE_HASH_SET_WITH_DECL( KEY_T, HASH_T, KEY_EQ_T, \
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@@ -173,8 +174,9 @@ public: \
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// common compilers (notably Sun CC).
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#define WX_DECLARE_HASH_SET_PTR( KEY_T, HASH_T, KEY_EQ_T, CLASSNAME) \
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_WX_DECLARE_HASH_SET( KEY_T, HASH_T, KEY_EQ_T, wxPTROP_NOP, CLASSNAME, class )
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+// note: DECL is not used since the class is inline
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#define WX_DECLARE_HASH_SET_WITH_DECL_PTR( KEY_T, HASH_T, KEY_EQ_T, CLASSNAME, DECL) \
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- _WX_DECLARE_HASH_SET( KEY_T, HASH_T, KEY_EQ_T, wxPTROP_NOP, CLASSNAME, DECL )
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+ _WX_DECLARE_HASH_SET( KEY_T, HASH_T, KEY_EQ_T, wxPTROP_NOP, CLASSNAME, class )
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// delete all hash elements
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//
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diff --git a/include/wx/image.h b/include/wx/image.h
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index f2b5866d2d7..d53ff0b1165 100644
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--- a/include/wx/image.h
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+++ b/include/wx/image.h
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@@ -190,7 +190,7 @@ WX_DECLARE_EXPORTED_HASH_MAP(unsigned long, wxImageHistogramEntry,
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wxIntegerHash, wxIntegerEqual,
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wxImageHistogramBase);
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-class WXDLLIMPEXP_CORE wxImageHistogram : public wxImageHistogramBase
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+class wxImageHistogram : public wxImageHistogramBase
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{
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public:
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wxImageHistogram() : wxImageHistogramBase(256) { }
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@@ -211,9 +211,43 @@ class WXDLLIMPEXP_CORE wxImageHistogram : public wxImageHistogramBase
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bool FindFirstUnusedColour(unsigned char *r,
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unsigned char *g,
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unsigned char *b,
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- unsigned char startR = 1,
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- unsigned char startG = 0,
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- unsigned char startB = 0 ) const;
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+ unsigned char r2 = 1,
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+ unsigned char g2 = 0,
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+ unsigned char b2 = 0 ) const
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+ {
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+ unsigned long key = MakeKey(r2, g2, b2);
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+
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+ while ( find(key) != end() )
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+ {
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+ // color already used
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+ r2++;
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+ if ( r2 >= 255 )
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+ {
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+ r2 = 0;
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+ g2++;
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+ if ( g2 >= 255 )
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+ {
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+ g2 = 0;
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+ b2++;
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+ if ( b2 >= 255 )
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+ {
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+ return false;
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+ }
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+ }
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+ }
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+
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+ key = MakeKey(r2, g2, b2);
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+ }
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+
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+ if ( r )
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+ *r = r2;
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+ if ( g )
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+ *g = g2;
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+ if ( b )
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+ *b = b2;
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+
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+ return true;
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+ }
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};
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//-----------------------------------------------------------------------------
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diff --git a/src/common/image.cpp b/src/common/image.cpp
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index 096f823f0c1..880c1c4ea74 100644
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--- a/src/common/image.cpp
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+++ b/src/common/image.cpp
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@@ -3381,49 +3381,6 @@ wxImageHandler::GetResolutionFromOptions(const wxImage& image, int *x, int *y)
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// image histogram stuff
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// ----------------------------------------------------------------------------
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-bool
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-wxImageHistogram::FindFirstUnusedColour(unsigned char *r,
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- unsigned char *g,
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- unsigned char *b,
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- unsigned char r2,
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- unsigned char g2,
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- unsigned char b2) const
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-{
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- unsigned long key = MakeKey(r2, g2, b2);
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-
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- while ( find(key) != end() )
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- {
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- // color already used
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- r2++;
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- if ( r2 >= 255 )
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- {
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- r2 = 0;
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- g2++;
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- if ( g2 >= 255 )
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- {
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- g2 = 0;
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- b2++;
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- if ( b2 >= 255 )
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- {
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- wxLogError(_("No unused colour in image.") );
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- return false;
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- }
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- }
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- }
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-
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- key = MakeKey(r2, g2, b2);
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- }
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-
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- if ( r )
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- *r = r2;
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- if ( g )
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- *g = g2;
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- if ( b )
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- *b = b2;
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-
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- return true;
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-}
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-
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bool
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wxImage::FindFirstUnusedColour(unsigned char *r,
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unsigned char *g,
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