cPixmap *cTrueColorDemo::CreateTextPixmap(const char *s, int Line, int Layer, tColor ColorFg, tColor ColorBg, const cFont *Font)
{
const int h = Font->Height(s);
int w = Font->Width(s);
cPixmap *Pixmap = osd->CreatePixmap(Layer, cRect((osd->Width() - w) / 2, Line, w, h));
if (Pixmap) {
Pixmap->Clear();
Pixmap->SetAlpha(0);
Pixmap->DrawText(cPoint(0, 0), s, ColorFg, ColorBg, Font);
}
return Pixmap;
}
void cTrueColorDemo::Action(void)
{
cPixmap *FadeInPixmap = NULL;
cPixmap *FadeOutPixmap = NULL;
cPixmap *MovePixmap = NULL;
cPixmap *NextPixmap = NULL;
cPixmap *TilePixmap = NULL;
cPixmap *ScrollPixmap = NULL;
cPixmap *AnimPixmap = NULL;
int FrameTime = 40; // ms
int FadeTime = 1000; // ms
int MoveTime = 4000; // ms
int TileTime = 6000; // ms
int ScrollWaitTime = 1000; // ms
int ScrollLineTime = 200; // ms
int ScrollTotalTime = 8000; // ms
uint64_t Start = 0;
uint64_t ScrollStartTime = 0;
int ScrollLineNumber = 0;
cPoint MoveStart, MoveEnd;
cPoint TileStart, TileEnd;
cPoint ScrollStart, ScrollEnd;
int Line = osd->Height() / 20;
int StartLine = Line;
cPoint OldCursor;
int State = 0;
while (Running()) {
cPixmap::Lock();
bool Animated = false;
uint64_t Now = cTimeMs::Now();
if (FadeInPixmap) {
double t = std::min(double(Now - Start) / FadeTime, 1.0);
int Alpha = t * ALPHA_OPAQUE;
FadeInPixmap->SetAlpha(Alpha);
if (t >= 1)
FadeInPixmap = NULL;
Animated = true;
}
if (FadeOutPixmap) {
double t = std::min(double(Now - Start) / FadeTime, 1.0);
int Alpha = ALPHA_OPAQUE - t * ALPHA_OPAQUE;
FadeOutPixmap->SetAlpha(Alpha);
if (t >= 1)
FadeOutPixmap = NULL;
Animated = true;
}
if (MovePixmap) {
double t = std::min(double(Now - Start) / MoveTime, 1.0);
int x = MoveStart.X() + t * (MoveEnd.X() - MoveStart.X());
int y = MoveStart.Y() + t * (MoveEnd.Y() - MoveStart.Y());
cRect r = MovePixmap->ViewPort();
r.SetPoint(x, y);
MovePixmap->SetViewPort(r);
if (t >= 1)
MovePixmap = NULL;
Animated = true;
}
if (TilePixmap) {
double t = std::min(double(Now - Start) / TileTime, 1.0);
int x = TileStart.X() + t * (TileEnd.X() - TileStart.X());
int y = TileStart.Y() + t * (TileEnd.Y() - TileStart.Y());
TilePixmap->SetDrawPortPoint(cPoint(x, y));
if (t >= 1) {
destroyablePixmap = TilePixmap;
TilePixmap = NULL;
}
Animated = true;
}
if (ScrollPixmap) {
if (int(Now - Start) > ScrollWaitTime) {
if (ScrollStartTime) {
double t = std::min(double(Now - ScrollStartTime) / ScrollLineTime, 1.0);
int x = ScrollStart.X() + t * (ScrollEnd.X() - ScrollStart.X());
int y = ScrollStart.Y() + t * (ScrollEnd.Y() - ScrollStart.Y());
ScrollPixmap->SetDrawPortPoint(cPoint(x, y));
if (t >= 1) {
if (int(Now - Start) < ScrollTotalTime) {
cRect r = ScrollPixmap->DrawPort();
r.SetPoint(-r.X(), -r.Y());
ScrollPixmap->Pan(cPoint(0, 0), r);
const cFont *Font = cFont::GetFont(fontOsd);
cString s = cString::sprintf("Line %d", ++ScrollLineNumber);
ScrollPixmap->DrawRectangle(cRect(0, ScrollPixmap->ViewPort().Height(), ScrollPixmap->DrawPort().Width(), ScrollPixmap->DrawPort().Height()), clrTransparent);
ScrollPixmap->DrawText(cPoint(0, ScrollPixmap->ViewPort().Height()), s, clrYellow, clrTransparent, Font);
ScrollStartTime = Now;
}
else {
FadeOutPixmap = ScrollPixmap;
ScrollPixmap = NULL;
Start = cTimeMs::Now();
}
}
}
else
ScrollStartTime = Now;
}
Animated = true;
}
if (AnimPixmap) {
int d = AnimPixmap->ViewPort().Height();
if (clockwise)
d = -d;
cPoint p = AnimPixmap->DrawPort().Point().Shifted(0, d);
if (clockwise && p.Y() <= -AnimPixmap->DrawPort().Height())
p.SetY(0);
else if (!clockwise && p.Y() > 0)
p.SetY(-(AnimPixmap->DrawPort().Height() - AnimPixmap->ViewPort().Height()));
AnimPixmap->SetDrawPortPoint(p);
}
if (!Animated) {
switch (State) {
case 0: {
if (cFont *Font = cFont::CreateFont(DefaultFontOsd, osd->Height() / 10)) {
FadeInPixmap = CreateTextPixmap("VDR", Line, 1, clrYellow, clrTransparent, Font);
if (FadeInPixmap)
Line += FadeInPixmap->DrawPort().Height();
delete Font;
Start = cTimeMs::Now();
}
State++;
}
break;
case 1: {
FadeInPixmap = CreateTextPixmap("Video Disk Recorder", Line, 3, clrYellow, clrTransparent);
if (FadeInPixmap)
Line += FadeInPixmap->DrawPort().Height();
Start = cTimeMs::Now();
State++;
}
break;
case 2: {
FadeInPixmap = CreateTextPixmap("True Color OSD Demo", Line, 1, clrYellow, clrTransparent);
if (FadeInPixmap)
Line += FadeInPixmap->DrawPort().Height();
Start = cTimeMs::Now();
State++;
}
break;
case 3: {
if (cFont *Font = cFont::CreateFont(DefaultFontOsd, osd->Height() / 10)) {
NextPixmap = CreateTextPixmap("Millions of colors", Line, 1, clrYellow, clrTransparent, Font);
delete Font;
if (NextPixmap) {
FadeInPixmap = NextPixmap;
Start = cTimeMs::Now();
StartLine = Line;
Line += NextPixmap->DrawPort().Height();
}
}
State++;
}
break;
case 4: {
Line += osd->Height() / 10;
int w = osd->Width() / 2;
int h = osd->Height() - Line - osd->Height() / 10;
cImage Image(cSize(w, h));
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++)
Image.SetPixel(cPoint(x, y), HsvToColor(360 * double(x) / w, 1 - double(y) / h, 1) | 0xDF000000);
}
if (cPixmap *Pixmap = osd->CreatePixmap(2, cRect((osd->Width() - w) / 2, Line, w, h))) {
Pixmap->DrawImage(cPoint(0, 0), Image);
toggleablePixmap = Pixmap;
}
State++;
}
break;
case 5: {
if (NextPixmap) {
MovePixmap = NextPixmap;
MoveStart = MovePixmap->ViewPort().Point();
MoveEnd.Set(osd->Width() - MovePixmap->ViewPort().Width(), osd->Height() - MovePixmap->ViewPort().Height());
Start = cTimeMs::Now();
}
State++;
}
break;
case 6: {
TilePixmap = CreateTextPixmap("Tiled Pixmaps", StartLine, 1, clrRed, clrWhite);
if (TilePixmap) {
TilePixmap->SetViewPort(TilePixmap->ViewPort().Grown(TilePixmap->DrawPort().Width(), TilePixmap->DrawPort().Height()));
TilePixmap->SetAlpha(200);
TilePixmap->SetTile(true);
TileStart = TilePixmap->DrawPort().Point();
TileEnd = TileStart.Shifted(TilePixmap->ViewPort().Width(), TilePixmap->ViewPort().Height());
MovePixmap = TilePixmap;
MoveStart = MovePixmap->ViewPort().Point();
MoveEnd.Set(10, osd->Height() - MovePixmap->ViewPort().Height() - 10);
Start = cTimeMs::Now();
}
State++;
}
break;
case 7: {
const cFont *Font = cFont::GetFont(fontOsd);
const char *Text = "Scrolling Pixmaps";
int w = Font->Width(Text);
int h = Font->Height();
if (cPixmap *Pixmap = osd->CreatePixmap(2, cRect((osd->Width() - w) / 2, StartLine, w, 2 * h), cRect(0, 0, w, 3 * h))) {
Pixmap->Clear();
Pixmap->DrawText(cPoint(0, 0), Text, clrYellow, clrTransparent, Font);
cString s = cString::sprintf("Line %d", ++ScrollLineNumber);
Pixmap->DrawText(cPoint(0, Pixmap->ViewPort().Height()), s, clrYellow, clrTransparent, Font);
ScrollPixmap = Pixmap;
ScrollStart.Set(0, 0);
ScrollEnd.Set(0, -h);
Start = cTimeMs::Now();
}
State++;
}
break;
case 8: {
const cFont *Font = cFont::GetFont(fontSml);
const char *Text = "Animation";
const int Size = Font->Width(Text) + 10;
const int NumDots = 12;
const int AnimFrames = NumDots;
// Temporarily using pixmap layer 0 to have the text alpha blended:
AnimPixmap = osd->CreatePixmap(0, cRect((osd->Width() - Size) / 2, StartLine, Size, Size), cRect(0, 0, Size, Size * AnimFrames));
if (AnimPixmap) {
AnimPixmap->SetAlpha(0);
AnimPixmap->Clear();
const int Diameter = Size / 5;
int xc = Size / 2 - Diameter / 2;
for (int Frame = 0; Frame < AnimFrames; Frame++) {
AnimPixmap->DrawEllipse(cRect(0, Frame * Size, Size, Size), 0xDDFFFFFF);
int yc = Frame * Size + Size / 2 - Diameter / 2;
int Color = 0xFF;
int Delta = Color / NumDots / 3;
for (int a = 0; a < NumDots; a++) {
double t = 2 * M_PI * (Frame + a) / NumDots;
int x = xc + ((Size - Diameter) / 2 - 5) * cos(t);
int y = yc + ((Size - Diameter) / 2 - 5) * sin(t);
AnimPixmap->DrawEllipse(cRect(x, y, Diameter, Diameter), ArgbToColor(0xFF, Color, Color, Color));
Color -= Delta;
}
AnimPixmap->DrawText(cPoint(0, Frame * Size), Text, clrBlack, clrTransparent, cFont::GetFont(fontSml), Size, Size, taCenter);
}
AnimPixmap->SetLayer(3); // now setting the actual pixmap layer
FadeInPixmap = AnimPixmap;
LOCK_THREAD;
OldCursor = cursor = AnimPixmap->ViewPort().Point();
cursorLimits.Set(0, 0, osd->Width(), osd->Height());
cursorLimits.SetRight(cursorLimits.Right() - Size);
cursorLimits.SetBottom(cursorLimits.Bottom() - Size);
cursorLimits.Grow(-10, -10);
Start = cTimeMs::Now();
}
State++;
}
break;
case 9: {
LOCK_THREAD;
if (cursor != OldCursor) {
MovePixmap = AnimPixmap;
MoveStart = MovePixmap->ViewPort().Point();
MoveEnd = OldCursor = cursor;
MoveTime = 500;
Start = cTimeMs::Now();
}
}
break;
}
}
osd->Flush();
cPixmap::Unlock();
int Delta = cTimeMs::Now() - Now;
if (Delta < FrameTime)
cCondWait::SleepMs(FrameTime - Delta);
}
}