mirror of https://github.com/fltk/fltk
Fix MSVC compiler warnings in test/icon.cxx (#109)
Also: - remove unnecessary 'size_t' conversions from FL/fl_casts.H - add reverse conversions from integer types to 'void *'
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@ -17,22 +17,18 @@
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#include <FL/platform_types.h>
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inline char fl_char(void *v) { return (char)(fl_intptr_t)v; }
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inline int fl_int(void *v) { return (int)(fl_intptr_t)v; }
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inline long fl_long(void *v) { return (long)(fl_intptr_t)v; }
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inline char fl_char(void *v) { return (char)(fl_intptr_t)v; }
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inline int fl_int(void *v) { return (int)(fl_intptr_t)v; }
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inline long fl_long(void *v) { return (long)(fl_intptr_t)v; }
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inline unsigned char fl_uchar(void *v) { return (unsigned char)(fl_uintptr_t)v; }
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inline unsigned int fl_uint(void *v) { return (unsigned int)(fl_uintptr_t)v; }
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inline unsigned long fl_ulong(void *v) { return (unsigned long)(fl_uintptr_t)v; }
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inline unsigned char fl_uchar(void *v) { return (unsigned char)(fl_uintptr_t)v; }
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inline unsigned int fl_uint(void *v) { return (unsigned int)(fl_uintptr_t)v; }
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inline unsigned long fl_ulong(void *v) { return (unsigned long)(fl_uintptr_t)v; }
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#if 0 /* not necessary */
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// the following conversions can be used to silence MSVC warning C4312:
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// 'type cast': conversion from '<type>' to 'void *' of greater size
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inline char fl_char(size_t v) { return (char)v; }
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inline int fl_int(size_t v) { return (int)v; }
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inline long fl_long(size_t v) { return (long)v; }
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inline unsigned char fl_uchar(size_t v) { return (unsigned char)v; }
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inline unsigned int fl_uint(size_t v) { return (unsigned int)v; }
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inline unsigned long fl_ulong(size_t v) { return (unsigned long)v; }
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#endif /* not necessary */
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inline void *fl_voidptr(int v) { return (void *)(fl_intptr_t)v; }
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inline void *fl_voidptr(unsigned int v) { return (void *)(fl_uintptr_t)v; }
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inline void *fl_voidptr(long v) { return (void *)(fl_intptr_t)v; }
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inline void *fl_voidptr(unsigned long v) { return (void *)(fl_uintptr_t)v; }
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@ -1,7 +1,7 @@
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//
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// Icon test program for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2010 by Bill Spitzak and others.
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// Copyright 1998-2021 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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@ -22,7 +22,7 @@
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static Fl_Double_Window *win;
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void choice_cb(Fl_Widget *, void *v) {
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Fl_Color c = (Fl_Color)(fl_intptr_t)v;
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Fl_Color c = (Fl_Color)fl_uint(v);
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uchar buffer[32*32*3];
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Fl_RGB_Image icon(buffer, 32, 32, 3);
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icon.color_average(c, 0.0);
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@ -30,9 +30,9 @@ void choice_cb(Fl_Widget *, void *v) {
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}
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Fl_Menu_Item choices[] = {
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{"Red",0,choice_cb,(void*)FL_RED},
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{"Green",0,choice_cb,(void*)FL_GREEN},
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{"Blue",0,choice_cb,(void*)FL_BLUE},
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{"Red", 0, choice_cb, fl_voidptr(FL_RED)},
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{"Green", 0, choice_cb, fl_voidptr(FL_GREEN)},
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{"Blue", 0, choice_cb, fl_voidptr(FL_BLUE)},
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{0}
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};
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