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No longer using GetFont() (which is not thread safe) in the 'osddemo' plugin
This commit is contained in:
Klaus Schmidinger
parent
71f02e4f80
commit
4bc2a502a4
1
HISTORY
1
HISTORY
@ -7040,3 +7040,4 @@ Video Disk Recorder Revision History
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- When estimating the remaining disk space (in hours), the average data rate of all
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existing recordings is now taken into account. If this value can't be determined,
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the previous value of 25.75 MB/min is taken.
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- No longer using GetFont() (which is not thread safe) in the 'osddemo' plugin.
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@ -34,3 +34,7 @@ VDR Plugin 'osddemo' Revision History
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2011-04-17: Version 0.2.2
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- Fixed a possible NULL pointer dereference in osddemo.c (reported by Paul Menzel).
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2012-03-13: Version 0.2.3
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- No longer using GetFont() (which is not thread safe) in the 'osddemo' plugin,
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@ -3,13 +3,13 @@
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*
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* See the README file for copyright information and how to reach the author.
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*
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* $Id: osddemo.c 2.5 2011/04/17 13:05:13 kls Exp $
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* $Id: osddemo.c 2.6 2012/03/13 15:17:33 kls Exp $
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*/
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#include <vdr/osd.h>
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#include <vdr/plugin.h>
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static const char *VERSION = "0.2.2";
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static const char *VERSION = "0.2.3";
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static const char *DESCRIPTION = "Demo of arbitrary OSD setup";
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static const char *MAINMENUENTRY = "Osd Demo";
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@ -85,7 +85,7 @@ private:
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cPixmap *destroyablePixmap;
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cPixmap *toggleablePixmap;
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virtual void Action(void);
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cPixmap *CreateTextPixmap(const char *s, int Line, int Layer, tColor ColorFg, tColor ColorBg, const cFont *Font = NULL);
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cPixmap *CreateTextPixmap(const char *s, int Line, int Layer, tColor ColorFg, tColor ColorBg, const cFont *Font);
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public:
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cTrueColorDemo(void);
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virtual ~cTrueColorDemo();
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@ -109,8 +109,6 @@ cTrueColorDemo::~cTrueColorDemo()
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cPixmap *cTrueColorDemo::CreateTextPixmap(const char *s, int Line, int Layer, tColor ColorFg, tColor ColorBg, const cFont *Font)
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{
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if (!Font)
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Font = cFont::GetFont(fontOsd);
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const int h = Font->Height(s);
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int w = Font->Width(s);
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cPixmap *Pixmap = osd->CreatePixmap(Layer, cRect((osd->Width() - w) / 2, Line, w, h));
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@ -131,6 +129,9 @@ void cTrueColorDemo::Action(void)
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cPixmap *TilePixmap = NULL;
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cPixmap *ScrollPixmap = NULL;
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cPixmap *AnimPixmap = NULL;
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cFont *OsdFont = cFont::CreateFont(Setup.FontOsd, Setup.FontOsdSize);
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cFont *SmlFont = cFont::CreateFont(Setup.FontSml, Setup.FontSmlSize);
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cFont *LrgFont = cFont::CreateFont(Setup.FontOsd, osd->Height() / 10);
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int FrameTime = 40; // ms
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int FadeTime = 1000; // ms
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int MoveTime = 4000; // ms
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@ -202,10 +203,9 @@ void cTrueColorDemo::Action(void)
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cRect r = ScrollPixmap->DrawPort();
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r.SetPoint(-r.X(), -r.Y());
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ScrollPixmap->Pan(cPoint(0, 0), r);
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const cFont *Font = cFont::GetFont(fontOsd);
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cString s = cString::sprintf("Line %d", ++ScrollLineNumber);
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ScrollPixmap->DrawRectangle(cRect(0, ScrollPixmap->ViewPort().Height(), ScrollPixmap->DrawPort().Width(), ScrollPixmap->DrawPort().Height()), clrTransparent);
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ScrollPixmap->DrawText(cPoint(0, ScrollPixmap->ViewPort().Height()), s, clrYellow, clrTransparent, Font);
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ScrollPixmap->DrawText(cPoint(0, ScrollPixmap->ViewPort().Height()), s, clrYellow, clrTransparent, OsdFont);
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ScrollStartTime = Now;
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}
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else {
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@ -234,18 +234,15 @@ void cTrueColorDemo::Action(void)
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if (!Animated) {
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switch (State) {
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case 0: {
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if (cFont *Font = cFont::CreateFont(DefaultFontOsd, osd->Height() / 10)) {
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FadeInPixmap = CreateTextPixmap("VDR", Line, 1, clrYellow, clrTransparent, Font);
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FadeInPixmap = CreateTextPixmap("VDR", Line, 1, clrYellow, clrTransparent, LrgFont);
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if (FadeInPixmap)
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Line += FadeInPixmap->DrawPort().Height();
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delete Font;
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Start = cTimeMs::Now();
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}
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State++;
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}
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break;
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case 1: {
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FadeInPixmap = CreateTextPixmap("Video Disk Recorder", Line, 3, clrYellow, clrTransparent);
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FadeInPixmap = CreateTextPixmap("Video Disk Recorder", Line, 3, clrYellow, clrTransparent, OsdFont);
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if (FadeInPixmap)
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Line += FadeInPixmap->DrawPort().Height();
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Start = cTimeMs::Now();
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@ -253,7 +250,7 @@ void cTrueColorDemo::Action(void)
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}
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break;
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case 2: {
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FadeInPixmap = CreateTextPixmap("True Color OSD Demo", Line, 1, clrYellow, clrTransparent);
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FadeInPixmap = CreateTextPixmap("True Color OSD Demo", Line, 1, clrYellow, clrTransparent, OsdFont);
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if (FadeInPixmap)
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Line += FadeInPixmap->DrawPort().Height();
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Start = cTimeMs::Now();
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@ -261,16 +258,13 @@ void cTrueColorDemo::Action(void)
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}
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break;
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case 3: {
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if (cFont *Font = cFont::CreateFont(DefaultFontOsd, osd->Height() / 10)) {
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NextPixmap = CreateTextPixmap("Millions of colors", Line, 1, clrYellow, clrTransparent, Font);
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delete Font;
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NextPixmap = CreateTextPixmap("Millions of colors", Line, 1, clrYellow, clrTransparent, LrgFont);
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if (NextPixmap) {
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FadeInPixmap = NextPixmap;
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Start = cTimeMs::Now();
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StartLine = Line;
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Line += NextPixmap->DrawPort().Height();
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}
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}
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State++;
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}
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break;
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@ -301,7 +295,7 @@ void cTrueColorDemo::Action(void)
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}
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break;
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case 6: {
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TilePixmap = CreateTextPixmap("Tiled Pixmaps", StartLine, 1, clrRed, clrWhite);
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TilePixmap = CreateTextPixmap("Tiled Pixmaps", StartLine, 1, clrRed, clrWhite, OsdFont);
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if (TilePixmap) {
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TilePixmap->SetViewPort(TilePixmap->ViewPort().Grown(TilePixmap->DrawPort().Width(), TilePixmap->DrawPort().Height()));
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TilePixmap->SetAlpha(200);
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@ -317,15 +311,14 @@ void cTrueColorDemo::Action(void)
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}
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break;
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case 7: {
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const cFont *Font = cFont::GetFont(fontOsd);
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const char *Text = "Scrolling Pixmaps";
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int w = Font->Width(Text);
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int h = Font->Height();
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int w = OsdFont->Width(Text);
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int h = OsdFont->Height();
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if (cPixmap *Pixmap = osd->CreatePixmap(2, cRect((osd->Width() - w) / 2, StartLine, w, 2 * h), cRect(0, 0, w, 3 * h))) {
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Pixmap->Clear();
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Pixmap->DrawText(cPoint(0, 0), Text, clrYellow, clrTransparent, Font);
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Pixmap->DrawText(cPoint(0, 0), Text, clrYellow, clrTransparent, OsdFont);
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cString s = cString::sprintf("Line %d", ++ScrollLineNumber);
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Pixmap->DrawText(cPoint(0, Pixmap->ViewPort().Height()), s, clrYellow, clrTransparent, Font);
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Pixmap->DrawText(cPoint(0, Pixmap->ViewPort().Height()), s, clrYellow, clrTransparent, OsdFont);
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ScrollPixmap = Pixmap;
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ScrollStart.Set(0, 0);
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ScrollEnd.Set(0, -h);
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@ -335,9 +328,8 @@ void cTrueColorDemo::Action(void)
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}
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break;
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case 8: {
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const cFont *Font = cFont::GetFont(fontSml);
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const char *Text = "Animation";
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const int Size = Font->Width(Text) + 10;
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const int Size = SmlFont->Width(Text) + 10;
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const int NumDots = 12;
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const int AnimFrames = NumDots;
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// Temporarily using pixmap layer 0 to have the text alpha blended:
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@ -359,7 +351,7 @@ void cTrueColorDemo::Action(void)
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AnimPixmap->DrawEllipse(cRect(x, y, Diameter, Diameter), ArgbToColor(0xFF, Color, Color, Color));
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Color -= Delta;
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}
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AnimPixmap->DrawText(cPoint(0, Frame * Size), Text, clrBlack, clrTransparent, cFont::GetFont(fontSml), Size, Size, taCenter);
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AnimPixmap->DrawText(cPoint(0, Frame * Size), Text, clrBlack, clrTransparent, SmlFont, Size, Size, taCenter);
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}
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AnimPixmap->SetLayer(3); // now setting the actual pixmap layer
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FadeInPixmap = AnimPixmap;
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@ -393,6 +385,9 @@ void cTrueColorDemo::Action(void)
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if (Delta < FrameTime)
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cCondWait::SleepMs(FrameTime - Delta);
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}
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delete OsdFont;
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delete SmlFont;
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delete LrgFont;
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}
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void cTrueColorDemo::Show(void)
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