From 1fe77932889db2388affa8538c2e5d8af64ff581 Mon Sep 17 00:00:00 2001
From: pierre <pierre@freepascal.org>
Date: Wed, 8 Dec 1999 09:09:34 +0000
Subject: [PATCH]  + add VESA compatible mode in 16 and 256 colors

---
 rtl/win32/graph.inc  | 108 ++++++++++++++++++++++++++++++++++++++++++-
 rtl/win32/graphh.inc |  38 ++++++++++++++-
 2 files changed, 143 insertions(+), 3 deletions(-)

diff --git a/rtl/win32/graph.inc b/rtl/win32/graph.inc
index 5bb647f940..fe43455acc 100644
--- a/rtl/win32/graph.inc
+++ b/rtl/win32/graph.inc
@@ -40,6 +40,9 @@ var
    graphdrawing : tcriticalsection;
 {$ifdef DEBUG_WM_PAINT}
    graphdebug : text;
+const
+   wm_paint_count : longint = 0;
+var
 {$endif DEBUG_WM_PAINT}
    bitmapdc : hdc;
    oldbitmap : hgdiobj;
@@ -65,6 +68,8 @@ function GetPaletteEntry(r,g,b : word) : word;
             begin
                index:=i;
                dist:=currentdist;
+               if dist=0 then
+                 break;
             end;
        end;
      GetPaletteEntry:=index;
@@ -342,6 +347,9 @@ begin
         WindowProc:=charmessagehandler(window,amessage,wparam,lparam);
     wm_paint:
       begin
+{$ifdef DEBUG_WM_PAINT}
+         inc(wm_paint_count);
+{$endif DEBUG_WM_PAINT}
          if not GetUpdateRect(Window,@r,false) then
            exit;
          EnterCriticalSection(graphdrawing);
@@ -534,10 +542,13 @@ function queryadapterinfo : pmodeinfo;
 
   var
      mode: TModeInfo;
+     ScreenWidth,ScreenHeight : longint;
 
   begin
      SaveVideoState:=savestate;
      RestoreVideoState:=restorestate;
+     ScreenWidth:=GetSystemMetrics(SM_CXSCREEN);
+     ScreenHeight:=GetSystemMetrics(SM_CYSCREEN);
      QueryAdapterInfo := ModeList;
      { If the mode listing already exists... }
      { simply return it, without changing    }
@@ -611,11 +622,106 @@ function queryadapterinfo : pmodeinfo;
      mode.XAspect := 10000;
      mode.YAspect := 10000;
      AddMode(mode);
+     InitMode(mode);
+     mode.DriverNumber:= VESA;
+     mode.HardwarePages:= 0;
+     mode.ModeNumber:=m640x400x256;
+     mode.ModeName:='640 x 400 x 256 Win32GUI';
+     mode.MaxColor := 256;
+     mode.PaletteSize := mode.MaxColor;
+     mode.DirectColor := FALSE;
+     mode.MaxX := 639;
+     mode.MaxY := 399;
+     mode.DirectPutPixel:={$ifdef fpc}@{$endif}DirectPutPixel16Win32GUI;
+     mode.PutPixel:={$ifdef fpc}@{$endif}PutPixel16Win32GUI;
+     mode.GetPixel:={$ifdef fpc}@{$endif}GetPixel16Win32GUI;
+     mode.HLine := {$ifdef fpc}@{$endif}HLine16Win32GUI;
+     mode.SetRGBPalette := {$ifdef fpc}@{$endif}SetRGBPaletteWin32GUI;
+     mode.GetRGBPalette := {$ifdef fpc}@{$endif}GetRGBPaletteWin32GUI;
+     mode.SetVisualPage := {$ifdef fpc}@{$endif}SetVisualWin32GUI;
+     mode.SetActivePage := {$ifdef fpc}@{$endif}SetActiveWin32GUI;
+     mode.InitMode := {$ifdef fpc}@{$endif}InitWin32GUI16colors;
+     mode.XAspect := 10000;
+     mode.YAspect := 10000;
+     AddMode(mode);
+     InitMode(mode);
+     mode.DriverNumber:= VESA;
+     mode.HardwarePages:= 0;
+     mode.ModeNumber:=m640x480x256;
+     mode.ModeName:='640 x 480 x 256 Win32GUI';
+     mode.MaxColor := 256;
+     mode.PaletteSize := mode.MaxColor;
+     mode.DirectColor := FALSE;
+     mode.MaxX := 639;
+     mode.MaxY := 479;
+     mode.DirectPutPixel:={$ifdef fpc}@{$endif}DirectPutPixel16Win32GUI;
+     mode.PutPixel:={$ifdef fpc}@{$endif}PutPixel16Win32GUI;
+     mode.GetPixel:={$ifdef fpc}@{$endif}GetPixel16Win32GUI;
+     mode.HLine := {$ifdef fpc}@{$endif}HLine16Win32GUI;
+     mode.SetRGBPalette := {$ifdef fpc}@{$endif}SetRGBPaletteWin32GUI;
+     mode.GetRGBPalette := {$ifdef fpc}@{$endif}GetRGBPaletteWin32GUI;
+     mode.SetVisualPage := {$ifdef fpc}@{$endif}SetVisualWin32GUI;
+     mode.SetActivePage := {$ifdef fpc}@{$endif}SetActiveWin32GUI;
+     mode.InitMode := {$ifdef fpc}@{$endif}InitWin32GUI16colors;
+     mode.XAspect := 10000;
+     mode.YAspect := 10000;
+     AddMode(mode);
+     { add 800x600 only if screen is large enough }
+     If (ScreenWidth>=800) and (ScreenHeight>=600) then
+       begin
+         InitMode(mode);
+         mode.DriverNumber:= VESA;
+         mode.HardwarePages:= 0;
+         mode.ModeNumber:=m800x600x16;
+         mode.ModeName:='800 x 600 x 16 Win32GUI';
+         mode.MaxColor := 16;
+         mode.PaletteSize := mode.MaxColor;
+         mode.DirectColor := FALSE;
+         mode.MaxX := 799;
+         mode.MaxY := 599;
+         mode.DirectPutPixel:={$ifdef fpc}@{$endif}DirectPutPixel16Win32GUI;
+         mode.PutPixel:={$ifdef fpc}@{$endif}PutPixel16Win32GUI;
+         mode.GetPixel:={$ifdef fpc}@{$endif}GetPixel16Win32GUI;
+         mode.HLine := {$ifdef fpc}@{$endif}HLine16Win32GUI;
+         mode.SetRGBPalette := {$ifdef fpc}@{$endif}SetRGBPaletteWin32GUI;
+         mode.GetRGBPalette := {$ifdef fpc}@{$endif}GetRGBPaletteWin32GUI;
+         mode.SetVisualPage := {$ifdef fpc}@{$endif}SetVisualWin32GUI;
+         mode.SetActivePage := {$ifdef fpc}@{$endif}SetActiveWin32GUI;
+         mode.InitMode := {$ifdef fpc}@{$endif}InitWin32GUI16colors;
+         mode.XAspect := 10000;
+         mode.YAspect := 10000;
+         AddMode(mode);
+         InitMode(mode);
+         mode.DriverNumber:= VESA;
+         mode.HardwarePages:= 0;
+         mode.ModeNumber:=m800x600x256;
+         mode.ModeName:='800 x 600 x 256 Win32GUI';
+         mode.MaxColor := 256;
+         mode.PaletteSize := mode.MaxColor;
+         mode.DirectColor := FALSE;
+         mode.MaxX := 799;
+         mode.MaxY := 599;
+         mode.DirectPutPixel:={$ifdef fpc}@{$endif}DirectPutPixel16Win32GUI;
+         mode.PutPixel:={$ifdef fpc}@{$endif}PutPixel16Win32GUI;
+         mode.GetPixel:={$ifdef fpc}@{$endif}GetPixel16Win32GUI;
+         mode.HLine := {$ifdef fpc}@{$endif}HLine16Win32GUI;
+         mode.SetRGBPalette := {$ifdef fpc}@{$endif}SetRGBPaletteWin32GUI;
+         mode.GetRGBPalette := {$ifdef fpc}@{$endif}GetRGBPaletteWin32GUI;
+         mode.SetVisualPage := {$ifdef fpc}@{$endif}SetVisualWin32GUI;
+         mode.SetActivePage := {$ifdef fpc}@{$endif}SetActiveWin32GUI;
+         mode.InitMode := {$ifdef fpc}@{$endif}InitWin32GUI16colors;
+         mode.XAspect := 10000;
+         mode.YAspect := 10000;
+         AddMode(mode);
+       end;
   end;
 
 {
   $Log$
-  Revision 1.4  1999-12-02 00:24:36  pierre
+  Revision 1.5  1999-12-08 09:09:34  pierre
+   + add VESA compatible mode in 16 and 256 colors
+
+  Revision 1.4  1999/12/02 00:24:36  pierre
     * local var col was undefined
     + 640x200 and 640x350 modes added (VGALo and VGAMed)
     * WM_PAINT better handled (only requested region written)
diff --git a/rtl/win32/graphh.inc b/rtl/win32/graphh.inc
index 369c9e3b60..587e8e1826 100644
--- a/rtl/win32/graphh.inc
+++ b/rtl/win32/graphh.inc
@@ -27,11 +27,45 @@
   const
     { predefined window style }
     graphwindowstyle : DWord = cs_hRedraw or cs_vRedraw;
- 
+
+CONST
+
+  m640x200x16       = VGALo;
+  m640x400x16       = VGAMed;
+  m640x480x16       = VGAHi;
+
+  { VESA Specific video modes. }
+  m320x200x32k      = $10D;
+  m320x200x64k      = $10E;
+
+  m640x400x256      = $100;
+
+  m640x480x256      = $101;
+  m640x480x32k      = $110;
+  m640x480x64k      = $111;
+
+  m800x600x16       = $102;
+  m800x600x256      = $103;
+  m800x600x32k      = $113;
+  m800x600x64k      = $114;
+
+  m1024x768x16      = $104;
+  m1024x768x256     = $105;
+  m1024x768x32k     = $116;
+  m1024x768x64k     = $117;
+
+  m1280x1024x16     = $106;
+  m1280x1024x256    = $107;
+  m1280x1024x32k    = $119;
+  m1280x1024x64k    = $11A;
+
 
 {
   $Log$
-  Revision 1.2  1999-11-29 22:03:39  florian
+  Revision 1.3  1999-12-08 09:09:34  pierre
+   + add VESA compatible mode in 16 and 256 colors
+
+  Revision 1.2  1999/11/29 22:03:39  florian
     * first implementation of winmouse unit
 
   Revision 1.1  1999/11/08 15:01:39  peter