Implemented 'skins' and 'themes'

1 files changed, 98 insertions, 62 deletions

diff --git a/dvbosd.c b/dvbosd.c
index 3d57362d..d21bcefb 100644
--- a/dvbosd.c
+++ b/dvbosd.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: dvbosd.c 1.21 2003/04/12 12:10:12 kls Exp $
+ * $Id: dvbosd.c 1.22 2004/05/01 15:10:44 kls Exp $
  */
 
 #include "dvbosd.h"
@@ -13,40 +13,49 @@
 #include <sys/unistd.h>
 #include "tools.h"
 
-const cDvbDevice *cDvbOsd::dvbDevice = NULL;
+// --- cDvbOsd ---------------------------------------------------------------
 
-cDvbOsd::cDvbOsd(int x, int y)
-:cOsdBase(x, y)
+#define MAXNUMWINDOWS 7 // OSD windows are counted 1...7
+#define MAXOSDMEMORY  92000 // number of bytes available to the OSD (depends on firmware version, but there is no way of determining the actual value)
+
+cDvbOsd::cDvbOsd(int Left, int Top, int OsdDev)
+:cOsd(Left, Top)
 {
-  osdDev = dvbDevice ? dvbDevice->OsdDeviceHandle() : -1;
-  if (dvbDevice && osdDev < 0)
+  osdDev = OsdDev;
+  shown = false;
+  if (osdDev < 0)
      esyslog("ERROR: illegal OSD device handle (%d)!", osdDev);
 }
 
 cDvbOsd::~cDvbOsd()
 {
-  for (int i = 0; i < NumWindows(); i++)
-      CloseWindow(GetWindowNr(i));
-}
-
-void cDvbOsd::SetDvbDevice(const cDvbDevice *DvbDevice)
-{
-  dvbDevice = DvbDevice;
+  if (shown) {
+     cBitmap *Bitmap;
+     for (int i = 0; (Bitmap = GetBitmap(i)) != NULL; i++) {
+         Cmd(OSD_SetWindow, 0, i + 1);
+         Cmd(OSD_Close);
+         }
+     }
 }
 
-bool cDvbOsd::SetWindow(cWindow *Window)
+eOsdError cDvbOsd::CanHandleAreas(const tArea *Areas, int NumAreas)
 {
-  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("ERROR: illegal window handle: %d", Handle);
+  eOsdError Result = cOsd::CanHandleAreas(Areas, NumAreas);
+  if (Result == oeOk) {
+     if (NumAreas > MAXNUMWINDOWS)
+        return oeTooManyAreas;
+     int TotalMemory = 0;
+     for (int i = 0; i < NumAreas; i++) {
+         if (Areas[i].bpp != 1 && Areas[i].bpp != 2 && Areas[i].bpp != 4 && Areas[i].bpp != 8)
+            return oeBppNotSupported;
+         if ((Areas[i].Width() & (8 / Areas[i].bpp - 1)) != 0)
+            return oeWrongAlignment;
+         TotalMemory += Areas[i].Width() * Areas[i].Height() / (8 / Areas[i].bpp);
+         }
+     if (TotalMemory > MAXOSDMEMORY)
+        return oeOutOfMemory;
      }
-  return false;
+  return Result;
 }
 
 void cDvbOsd::Cmd(OSD_Command cmd, int color, int x0, int y0, int x1, int y1, const void *data)
@@ -64,51 +73,78 @@ void cDvbOsd::Cmd(OSD_Command cmd, int color, int x0, int y0, int x1, int y1, co
      }
 }
 
-bool cDvbOsd::OpenWindow(cWindow *Window)
-{
-  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;
-}
-
-void cDvbOsd::CommitWindow(cWindow *Window)
+void cDvbOsd::Flush(void)
 {
-  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->NewColors(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));
-        }
+  cBitmap *Bitmap;
+  for (int i = 0; (Bitmap = GetBitmap(i)) != NULL; i++) {
+      Cmd(OSD_SetWindow, 0, i + 1);
+      if (!shown)
+         Cmd(OSD_Open, Bitmap->Bpp(), Left() + Bitmap->X0(), Top() + Bitmap->Y0(), Left() + Bitmap->X0() + Bitmap->Width() - 1, Top() + Bitmap->Y0() + Bitmap->Height() - 1, (void *)1); // initially hidden!
+      int x1 = 0, y1 = 0, x2 = 0, y2 = 0;
+      if (Bitmap->Dirty(x1, y1, x2, y2)) {
+         //TODO Workaround: apparently the bitmap sent to the driver always has to be a multiple
+         //TODO 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 ((x1 > 0 || x2 < Bitmap->Width() - 1) && ((x2 - x1) & 7) != 7) {
+               if (x2 < Bitmap->Width() - 1)
+                  x2++;
+               else if (x1 > 0)
+                  x1--;
+               }
+         //TODO "... / 2" <==> Bpp???
+         while ((y1 > 0 || y2 < Bitmap->Height() - 1) && (((x2 - x1 + 1) * (y2 - y1 + 1) / 2) & 7) != 0) {
+               if (y2 < Bitmap->Height() - 1)
+                  y2++;
+               else if (y1 > 0)
+                  y1--;
+               }
+         while ((x1 > 0 || x2 < Bitmap->Width() - 1) && (((x2 - x1 + 1) * (y2 - y1 + 1) / 2) & 7) != 0) {
+               if (x2 < Bitmap->Width() - 1)
+                  x2++;
+               else if (x1 > 0)
+                  x1--;
+               }
+         // commit colors:
+         int NumColors;
+         const tColor *Colors = Bitmap->Colors(NumColors);
+         if (Colors) {
+            //TODO this should be fixed in the driver!
+            tColor colors[NumColors];
+            for (int i = 0; i < NumColors; i++) {
+                // convert AARRGGBB to AABBGGRR (the driver expects the colors the wrong way):
+                colors[i] = (Colors[i] & 0xFF000000) | ((Colors[i] & 0x0000FF) << 16) | (Colors[i] & 0x00FF00) | ((Colors[i] & 0xFF0000) >> 16);
+#if __BYTE_ORDER == __BIG_ENDIAN
+                // actually the driver itself should access the bytes according to the current endianness!
+                colors[i] = ((colors[i] & 0xFF) << 24) | ((colors[i] & 0xFF00) << 8) | ((colors[i] & 0xFF0000) >> 8) | ((colors[i] & 0xFF000000) >> 24);
+#endif
+                }
+            Colors = colors;
+            //TODO end of stuff that should be fixed in the driver
+            Cmd(OSD_SetPalette, 0, NumColors - 1, 0, 0, 0, Colors);
+            }
+         // commit modified data:
+         Cmd(OSD_SetBlock, Bitmap->Width(), x1, y1, x2, y2, Bitmap->Data(x1, y1));
+         }
+      Bitmap->Clean();
+      }
+  if (!shown) {
+     // Showing the windows in a separate loop to avoid seeing them come up one after another
+     for (int i = 0; (Bitmap = GetBitmap(i)) != NULL; i++) {
+         Cmd(OSD_SetWindow, 0, i + 1);
+         Cmd(OSD_MoveWindow, 0, Left() + Bitmap->X0(), Top() + Bitmap->Y0());
+         }
+     shown = true;
      }
 }
 
-void cDvbOsd::ShowWindow(cWindow *Window)
-{
-  if (SetWindow(Window))
-     Cmd(OSD_MoveWindow, 0, X0() + Window->X0(), Y0() + Window->Y0());
-}
-
-void cDvbOsd::HideWindow(cWindow *Window, bool Hide)
-{
-  if (SetWindow(Window))
-     Cmd(Hide ? OSD_Hide : OSD_Show, 0);
-}
+// --- cDvbOsdProvider -------------------------------------------------------
 
-void cDvbOsd::MoveWindow(cWindow *Window, int x, int y)
+cDvbOsdProvider::cDvbOsdProvider(int OsdDev)
 {
-  if (SetWindow(Window))
-     Cmd(OSD_MoveWindow, 0, X0() + x, Y0() + y);
+  osdDev = OsdDev;
 }
 
-void cDvbOsd::CloseWindow(cWindow *Window)
+cOsd *cDvbOsdProvider::CreateOsd(int Left, int Top)
 {
-  if (SetWindow(Window))
-     Cmd(OSD_Close);
+  return new cDvbOsd(Left, Top, osdDev);
 }