From e63b279d967564b847f19dbd694dab9a577acfb1 Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Sun, 25 Aug 2002 10:05:24 +0200
Subject: [PATCH] Added cPalette::AllColors() for plugins that need to get the
 color entries of a cPalette

---
 HISTORY   |  2 ++
 dvbosd.c  |  4 ++--
 osdbase.c | 10 ++++++++--
 osdbase.h | 15 +++++++++++++--
 4 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/HISTORY b/HISTORY
index 3d05a591..266a1c5d 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1423,3 +1423,5 @@ Video Disk Recorder Revision History
   Zimmermann).
 - Added cDevice::NewOsd() to allow a derived cDevice class to implement its own
   OSD capabilities (thanks to Andreas Schultz).
+- Added cPalette::AllColors() for plugins that need to get the color entries of
+  a cPalette (see osdbase.h).
diff --git a/dvbosd.c b/dvbosd.c
index ca5cf490..4b0c1ea8 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 1.18 2002/08/04 10:13:21 kls Exp $
+ * $Id: dvbosd.c 1.19 2002/08/25 09:53:51 kls Exp $
  */
 
 #include "dvbosd.h"
@@ -92,7 +92,7 @@ void cDvbOsd::CommitWindow(cWindow *Window)
         // commit colors:
         int FirstColor = 0, LastColor = 0;
         const eDvbColor *pal;
-        while ((pal = Window->Colors(FirstColor, LastColor)) != NULL)
+        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));
diff --git a/osdbase.c b/osdbase.c
index 70e11bfa..e16b27b0 100644
--- a/osdbase.c
+++ b/osdbase.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: osdbase.c 1.6 2002/08/11 11:47:21 kls Exp $
+ * $Id: osdbase.c 1.7 2002/08/25 10:02:36 kls Exp $
  */
 
 #include "osdbase.h"
@@ -74,7 +74,7 @@ void cPalette::Reset(void)
   full = false;
 }
 
-const eDvbColor *cPalette::Colors(int &FirstColor, int &LastColor)
+const eDvbColor *cPalette::NewColors(int &FirstColor, int &LastColor)
 {
   for (FirstColor = 0; FirstColor < numColors; FirstColor++) {
       if (!fetched[FirstColor]) {
@@ -87,6 +87,12 @@ const eDvbColor *cPalette::Colors(int &FirstColor, int &LastColor)
   return NULL;
 }
 
+const eDvbColor *cPalette::AllColors(int &NumColors)
+{
+  NumColors = numColors;
+  return numColors ? color : NULL;
+}
+
 void cPalette::Take(const cPalette &Palette, tIndexes *Indexes)
 {
   for (int i = 0; i < Palette.numColors; i++) {
diff --git a/osdbase.h b/osdbase.h
index 1800482f..39221261 100644
--- a/osdbase.h
+++ b/osdbase.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: osdbase.h 1.4 2002/07/13 14:45:55 kls Exp $
+ * $Id: osdbase.h 1.5 2002/08/25 10:01:00 kls Exp $
  */
 
 #ifndef __OSDBASE_H
@@ -56,7 +56,18 @@ public:
   cPalette(int Bpp);
   int Index(eDvbColor Color);
   void Reset(void);
-  const eDvbColor *Colors(int &FirstColor, int &LastColor);
+  const eDvbColor *NewColors(int &FirstColor, int &LastColor);
+        // With every call this function returns a consecutive range of
+        // color entries that have been added since the last call. The
+        // return value is the address of the first new color, and the
+        // index of the first and last new color are returned in the given
+        // int parameters. If there are no new color entries, NULL will
+        // be returned.
+  const eDvbColor *AllColors(int &NumColors);
+        // Returns a pointer to the complete color table and stores the
+        // number of valid entries in NumColors. If no colors have been
+        // stored yet, NumColors will be set to 0 and the function will
+        // return NULL.
   void Take(const cPalette &Palette, tIndexes *Indexes = NULL);
   };