diff options
Diffstat (limited to 'dvbosd.c')
| -rw-r--r-- | dvbosd.c | 545 |
1 files changed, 46 insertions, 499 deletions
@@ -1,383 +1,45 @@ /* - * dvbosd.c: Interface to the DVB On Screen Display + * dvbosd.c: Implementation of the DVB On Screen Display * * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: dvbosd.c 1.13 2002/04/13 11:34:48 kls Exp $ + * $Id: dvbosd.c 1.14 2002/05/10 14:22:04 kls Exp $ */ #include "dvbosd.h" #include <signal.h> #include <sys/ioctl.h> -#include <sys/stat.h> #include <sys/unistd.h> #include "tools.h" -// --- cPalette -------------------------------------------------------------- - -cPalette::cPalette(int Bpp) -{ - maxColors = 1 << Bpp; - numColors = 0; - full = false; -} - -int cPalette::Index(eDvbColor Color) -{ -#if __BYTE_ORDER == __BIG_ENDIAN - Color = eDvbColor(((Color & 0xFF) << 24) | ((Color & 0xFF00) << 8) | ((Color & 0xFF0000) >> 8) | ((Color & 0xFF000000) >> 24)); -#endif - for (int i = 0; i < numColors; i++) { - if (color[i] == Color) { - used[i] = true; - return i; - } - } - if (!full) { - if (numColors < maxColors) { - color[numColors++] = Color; - used[numColors - 1] = true; - fetched[numColors - 1] = false; - return numColors - 1; - } - for (int i = maxColors; --i >= 0; ) { - if (!used[i]) { - color[i] = Color; - used[i] = true; - fetched[i] = false; - return i; - } - } - esyslog(LOG_ERR, "ERROR: too many different colors used in palette"); - full = true; - } - return 0; -} - -void cPalette::Reset(void) -{ - for (int i = 0; i < numColors; i++) - used[i] = false; - full = false; -} - -const eDvbColor *cPalette::Colors(int &FirstColor, int &LastColor) -{ - for (FirstColor = 0; FirstColor < numColors; FirstColor++) { - if (!fetched[FirstColor]) { - for (LastColor = FirstColor; LastColor < numColors && !fetched[LastColor]; LastColor++) - fetched[LastColor] = true; - LastColor--; // the loop ended one past the last one! - return &color[FirstColor]; - } - } - return NULL; -} - -void cPalette::Take(const cPalette &Palette, tIndexes *Indexes) -{ - for (int i = 0; i < Palette.numColors; i++) { - if (Palette.used[i]) { - int n = Index(Palette.color[i]); - if (Indexes) - (*Indexes)[i] = n; - } - } -} - -// --- cBitmap --------------------------------------------------------------- - -cBitmap::cBitmap(int Width, int Height, int Bpp, bool ClearWithBackground) -:cPalette(Bpp) -{ - width = Width; - height = Height; - clearWithBackground = ClearWithBackground; - bitmap = NULL; - fontType = fontOsd; - font = NULL; - if (width > 0 && height > 0) { - bitmap = new char[width * height]; - if (bitmap) { - Clean(); - memset(bitmap, 0x00, width * height); - SetFont(fontOsd); - } - else - esyslog(LOG_ERR, "ERROR: can't allocate bitmap!"); - } - else - esyslog(LOG_ERR, "ERROR: illegal bitmap parameters (%d, %d)!", width, height); -} - -cBitmap::~cBitmap() -{ - delete font; - delete bitmap; -} - -eDvbFont cBitmap::SetFont(eDvbFont Font) -{ - eDvbFont oldFont = fontType; - if (fontType != Font || !font) { - delete font; - font = new cFont(Font); - fontType = Font; - } - return oldFont; -} - -bool cBitmap::Dirty(int &x1, int &y1, int &x2, int &y2) -{ - if (dirtyX2 >= 0) { - //XXX Workaround: apparently the bitmap sent to the driver always has to be a multiple - //XXX of 8 bits wide, and (dx * dy) also has to be a multiple of 8. - //TODO Fix driver (should be able to handle any size bitmaps!) - while ((dirtyX1 > 0 || dirtyX2 < width - 1) && ((dirtyX2 - dirtyX1) & 7) != 7) { - if (dirtyX2 < width - 1) - dirtyX2++; - else if (dirtyX1 > 0) - dirtyX1--; - } - //XXX "... / 2" <==> Bpp??? - while ((dirtyY1 > 0 || dirtyY2 < height - 1) && (((dirtyX2 - dirtyX1 + 1) * (dirtyY2 - dirtyY1 + 1) / 2) & 7) != 0) { - if (dirtyY2 < height - 1) - dirtyY2++; - else if (dirtyY1 > 0) - dirtyY1--; - } - while ((dirtyX1 > 0 || dirtyX2 < width - 1) && (((dirtyX2 - dirtyX1 + 1) * (dirtyY2 - dirtyY1 + 1) / 2) & 7) != 0) { - if (dirtyX2 < width - 1) - dirtyX2++; - else if (dirtyX1 > 0) - dirtyX1--; - } - x1 = dirtyX1; - y1 = dirtyY1; - x2 = dirtyX2; - y2 = dirtyY2; - return true; - } - return false; -} - -void cBitmap::Clean(void) -{ - dirtyX1 = width; - dirtyY1 = height; - dirtyX2 = -1; - dirtyY2 = -1; -} - -void cBitmap::SetIndex(int x, int y, char Index) -{ - if (bitmap) { - if (0 <= x && x < width && 0 <= y && y < height) { - if (bitmap[width * y + x] != Index) { - bitmap[width * y + x] = Index; - if (dirtyX1 > x) dirtyX1 = x; - if (dirtyY1 > y) dirtyY1 = y; - if (dirtyX2 < x) dirtyX2 = x; - if (dirtyY2 < y) dirtyY2 = y; - } - } - } -} - -void cBitmap::SetPixel(int x, int y, eDvbColor Color) -{ - SetIndex(x, y, Index(Color)); -} - -void cBitmap::SetBitmap(int x, int y, const cBitmap &Bitmap) -{ - if (bitmap && Bitmap.bitmap) { - tIndexes Indexes; - Take(Bitmap, &Indexes); - for (int ix = 0; ix < Bitmap.width; ix++) { - for (int iy = 0; iy < Bitmap.height; iy++) - SetIndex(x + ix, y + iy, Indexes[Bitmap.bitmap[Bitmap.width * iy + ix]]); - } - } -} - -int cBitmap::Width(unsigned char c) -{ - return font ? font->Width(c) : -1; -} - -int cBitmap::Width(const char *s) -{ - return font ? font->Width(s) : -1; -} - -void cBitmap::Text(int x, int y, const char *s, eDvbColor ColorFg, eDvbColor ColorBg) -{ - if (bitmap) { - char fg = Index(ColorFg); - char bg = Index(ColorBg); - int h = font->Height(s); - while (s && *s) { - const cFont::tCharData *CharData = font->CharData(*s++); - if (int(x + CharData->width) > width) - break; - for (int row = 0; row < h; row++) { - cFont::tPixelData PixelData = CharData->lines[row]; - for (int col = CharData->width; col-- > 0; ) { - SetIndex(x + col, y + row, (PixelData & 1) ? fg : bg); - PixelData >>= 1; - } - } - x += CharData->width; - } - } -} - -void cBitmap::Fill(int x1, int y1, int x2, int y2, eDvbColor Color) -{ - if (bitmap) { - char c = Index(Color); - for (int y = y1; y <= y2; y++) - for (int x = x1; x <= x2; x++) - SetIndex(x, y, c); - } -} - -void cBitmap::Clear(void) -{ - Reset(); - if (clearWithBackground) - Fill(0, 0, width - 1, height - 1, clrBackground); -} - -const char *cBitmap::Data(int x, int y) -{ - return &bitmap[y * width + x]; -} - -// --- cWindow --------------------------------------------------------------- - -class cWindow : public cBitmap { -private: - int handle; // the index within the OSD's window array (0...MAXNUMWINDOWS - 1) - int x0, y0; - int bpp; - bool tiled; - bool shown; -public: - cWindow(int Handle, int x, int y, int w, int h, int Bpp, bool ClearWithBackground, bool Tiled); - int X0(void) { return x0; } - int Y0(void) { return y0; } - int Bpp(void) { return bpp; } - bool Tiled(void) { return tiled; } - bool Shown(void) { bool s = shown; shown = true; return s; } - int Handle(void) { return handle; } - bool Contains(int x, int y); - void Relocate(int x, int y); - void Fill(int x1, int y1, int x2, int y2, eDvbColor Color); - void SetBitmap(int x, int y, const cBitmap &Bitmap); - void Text(int x, int y, const char *s, eDvbColor ColorFg = clrWhite, eDvbColor ColorBg = clrBackground); - const char *Data(int x, int y); - }; - -cWindow::cWindow(int Handle, int x, int y, int w, int h, int Bpp, bool ClearWithBackground, bool Tiled) -:cBitmap(w, h, Bpp, ClearWithBackground) -{ - handle = Handle; - x0 = x; - y0 = y; - bpp = Bpp; - tiled = Tiled; - shown = false; -} - -bool cWindow::Contains(int x, int y) -{ - x -= x0; - y -= y0; - return x >= 0 && y >= 0 && x < width && y < height; -} - -void cWindow::Relocate(int x, int y) -{ - x0 = x; - y0 = y; -} - -void cWindow::Fill(int x1, int y1, int x2, int y2, eDvbColor Color) -{ - if (tiled) { - x1 -= x0; - y1 -= y0; - x2 -= x0; - y2 -= y0; - } - cBitmap::Fill(x1, y1, x2, y2, Color); -} - -void cWindow::SetBitmap(int x, int y, const cBitmap &Bitmap) -{ - if (tiled) { - x -= x0; - y -= y0; - } - cBitmap::SetBitmap(x, y, Bitmap); -} - -void cWindow::Text(int x, int y, const char *s, eDvbColor ColorFg, eDvbColor ColorBg) -{ - if (tiled) { - x -= x0; - y -= y0; - } - cBitmap::Text(x, y, s, ColorFg, ColorBg); -} - -const char *cWindow::Data(int x, int y) -{ - return cBitmap::Data(x, y); -} - -// --- cDvbOsd --------------------------------------------------------------- - -cDvbOsd::cDvbOsd(int VideoDev, int x, int y, int w, int h, int Bpp) +cDvbOsd::cDvbOsd(int VideoDev, int x, int y) +:cOsd(x, y) { videoDev = VideoDev; - numWindows = 0; - x0 = x; - y0 = y; - if (videoDev >= 0) { - if (w > 0 && h > 0) - Create(0, 0, w, h, Bpp); - } - else + if (videoDev < 0) esyslog(LOG_ERR, "ERROR: illegal video device handle (%d)!", videoDev); } cDvbOsd::~cDvbOsd() { - if (videoDev >= 0) { - for (int i = 0; i < numWindows; i++) { - SetWindow(window[i]); - Cmd(OSD_Close); - delete window[i]; - } - numWindows = 0; - } + for (int i = 0; i < NumWindows(); i++) + CloseWindow(GetWindowNr(i)); } bool cDvbOsd::SetWindow(cWindow *Window) { - // Window handles are counted 0...(MAXNUMWINDOWS - 1), but the actual window - // numbers in the driver are used from 1...MAXNUMWINDOWS. - int Handle = Window->Handle(); - if (0 <= Handle && Handle < MAXNUMWINDOWS) { - Cmd(OSD_SetWindow, 0, Handle + 1); - return true; + if (Window) { + // Window handles are counted 0...(MAXNUMWINDOWS - 1), but the actual window + // numbers in the driver are used from 1...MAXNUMWINDOWS. + int Handle = Window->Handle(); + if (0 <= Handle && Handle < MAXNUMWINDOWS) { + Cmd(OSD_SetWindow, 0, Handle + 1); + return true; + } + esyslog(LOG_ERR, "ERROR: illegal window handle: %d", Handle); } - esyslog(LOG_ERR, "ERROR: illegal window handle: %d", Handle); - return -1; + return false; } void cDvbOsd::Cmd(OSD_Command cmd, int color, int x0, int y0, int x1, int y1, const void *data) @@ -406,166 +68,51 @@ void cDvbOsd::Cmd(OSD_Command cmd, int color, int x0, int y0, int x1, int y1, co } } -tWindowHandle cDvbOsd::Create(int x, int y, int w, int h, int Bpp, bool ClearWithBackground, bool Tiled) +bool cDvbOsd::OpenWindow(cWindow *Window) { - if (numWindows < MAXNUMWINDOWS) { - if (x >= 0 && y >= 0 && w > 0 && h > 0 && (Bpp == 1 || Bpp == 2 || Bpp == 4 || Bpp == 8)) { - if ((w & 0x03) != 0) { - w += 4 - (w & 0x03); - esyslog(LOG_ERR, "ERROR: OSD window width must be a multiple of 4 - increasing to %d", w); - } - cWindow *win = new cWindow(numWindows, x, y, w, h, Bpp, ClearWithBackground, Tiled); - if (SetWindow(win)) { - window[win->Handle()] = win; - Cmd(OSD_Open, Bpp, x0 + x, y0 + y, x0 + x + w - 1, y0 + y + h - 1, (void *)1); // initially hidden! - numWindows++; - return win->Handle(); - } - else - delete win; - } - else - esyslog(LOG_ERR, "ERROR: illegal OSD parameters"); - } - else - esyslog(LOG_ERR, "ERROR: too many OSD windows"); - return -1; -} - -void cDvbOsd::AddColor(eDvbColor Color, tWindowHandle Window) -{ - cWindow *w = GetWindow(Window); - if (w) { - w->Index(Color); - w->Reset(); + if (SetWindow(Window)) { + Cmd(OSD_Open, Window->Bpp(), X0() + Window->X0(), Y0() + Window->Y0(), X0() + Window->X0() + Window->Width() - 1, Y0() + Window->Y0() + Window->Height() - 1, (void *)1); // initially hidden! + return true; } + return false; } -cWindow *cDvbOsd::GetWindow(int x, int y) -{ - for (int i = 0; i < numWindows; i++) { - if (window[i]->Tiled() && window[i]->Contains(x, y)) - return window[i]; - } - return NULL; -} - -cWindow *cDvbOsd::GetWindow(tWindowHandle Window) -{ - if (0 <= Window && Window < numWindows) - return window[Window]; - if (Window == LAST_CREATED_WINDOW && numWindows > 0) - return window[numWindows - 1]; - return NULL; -} - -void cDvbOsd::Flush(void) -{ - for (int i = 0; i < numWindows; i++) { - int x1 = 0, y1 = 0, x2 = 0, y2 = 0; - if (window[i]->Dirty(x1, y1, x2, y2)) { - SetWindow(window[i]); - int FirstColor = 0, LastColor = 0; - const eDvbColor *pal; - while ((pal = window[i]->Colors(FirstColor, LastColor)) != NULL) - Cmd(OSD_SetPalette, FirstColor, LastColor, 0, 0, 0, pal); - Cmd(OSD_SetBlock, window[i]->Width(), x1, y1, x2, y2, window[i]->Data(x1, y1)); - window[i]->Clean(); - } - } - // Showing the windows in a separate loop to avoid seeing them come up one after another - for (int i = 0; i < numWindows; i++) { - if (!window[i]->Shown()) { - SetWindow(window[i]); - Cmd(OSD_MoveWindow, 0, x0 + window[i]->X0(), y0 + window[i]->Y0()); - } - } -} - -void cDvbOsd::Clear(tWindowHandle Window) +void cDvbOsd::CommitWindow(cWindow *Window) { - if (Window == ALL_TILED_WINDOWS || Window == ALL_WINDOWS) { - for (int i = 0; i < numWindows; i++) - if (Window == ALL_WINDOWS || window[i]->Tiled()) - window[i]->Clear(); - } - else { - cWindow *w = GetWindow(Window); - if (w) - w->Clear(); + if (SetWindow(Window)) { + int x1 = 0, y1 = 0, x2 = 0, y2 = 0; + if (Window->Dirty(x1, y1, x2, y2)) { + // commit colors: + int FirstColor = 0, LastColor = 0; + const eDvbColor *pal; + while ((pal = Window->Colors(FirstColor, LastColor)) != NULL) + Cmd(OSD_SetPalette, FirstColor, LastColor, 0, 0, 0, pal); + // commit modified data: + Cmd(OSD_SetBlock, Window->Width(), x1, y1, x2, y2, Window->Data(x1, y1)); + } } } -void cDvbOsd::Fill(int x1, int y1, int x2, int y2, eDvbColor Color, tWindowHandle Window) +void cDvbOsd::ShowWindow(cWindow *Window) { - cWindow *w = (Window == ALL_TILED_WINDOWS) ? GetWindow(x1, y1) : GetWindow(Window); - if (w) - w->Fill(x1, y1, x2, y2, Color); + if (SetWindow(Window)) + Cmd(OSD_MoveWindow, 0, X0() + Window->X0(), Y0() + Window->Y0()); } -void cDvbOsd::SetBitmap(int x, int y, const cBitmap &Bitmap, tWindowHandle Window) +void cDvbOsd::HideWindow(cWindow *Window, bool Hide) { - cWindow *w = (Window == ALL_TILED_WINDOWS) ? GetWindow(x, y) : GetWindow(Window); - if (w) - w->SetBitmap(x, y, Bitmap); + if (SetWindow(Window)) + Cmd(Hide ? OSD_Hide : OSD_Show, 0); } -int cDvbOsd::Width(unsigned char c) +void cDvbOsd::MoveWindow(cWindow *Window, int x, int y) { - return numWindows ? window[0]->Width(c) : 0; + if (SetWindow(Window)) + Cmd(OSD_MoveWindow, 0, X0() + x, Y0() + y); } -int cDvbOsd::Width(const char *s) +void cDvbOsd::CloseWindow(cWindow *Window) { - return numWindows ? window[0]->Width(s) : 0; + if (SetWindow(Window)) + Cmd(OSD_Close); } - -eDvbFont cDvbOsd::SetFont(eDvbFont Font) -{ - eDvbFont oldFont = Font; - for (int i = 0; i < numWindows; i++) - oldFont = window[i]->SetFont(Font); - return oldFont; -} - -void cDvbOsd::Text(int x, int y, const char *s, eDvbColor ColorFg = clrWhite, eDvbColor ColorBg = clrBackground, tWindowHandle Window) -{ - cWindow *w = (Window == ALL_TILED_WINDOWS) ? GetWindow(x, y) : GetWindow(Window); - if (w) - w->Text(x, y, s, ColorFg, ColorBg); -} - -void cDvbOsd::Relocate(tWindowHandle Window, int x, int y, int NewWidth, int NewHeight) -{ - cWindow *w = GetWindow(Window); - if (w) { - SetWindow(w); - if (NewWidth > 0 && NewHeight > 0) { - if ((NewWidth & 0x03) != 0) { - NewWidth += 4 - (NewWidth & 0x03); - esyslog(LOG_ERR, "ERROR: OSD window width must be a multiple of 4 - increasing to %d", NewWidth); - } - Cmd(OSD_Close); - window[w->Handle()] = new cWindow(w->Handle(), x, y, NewWidth, NewHeight, w->Bpp(), w->ClearWithBackground(), w->Tiled()); - delete w; - Cmd(OSD_Open, 2, x0 + x, y0 + y, x0 + x + NewWidth - 1, y0 + y + NewHeight - 1, (void *)1); // initially hidden! - } - else { - w->Relocate(x, y); - Cmd(OSD_MoveWindow, 0, x0 + x, y0 + y); - } - } -} - -void cDvbOsd::Hide(tWindowHandle Window) -{ - if (SetWindow(GetWindow(Window))) - Cmd(OSD_Hide, 0); -} - -void cDvbOsd::Show(tWindowHandle Window) -{ - if (SetWindow(GetWindow(Window))) - Cmd(OSD_Show, 0); -} - |