From e52bf638d25b4f74589633b09748cafa5e517f30 Mon Sep 17 00:00:00 2001
From: sekelsenmat <sekelsenmat@8e941d3f-bd1b-0410-a28a-d453659cc2b4>
Date: Thu, 23 Sep 2010 07:31:28 +0000
Subject: [PATCH] Corrects transparency in fpchess

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@1325 8e941d3f-bd1b-0410-a28a-d453659cc2b4
---
 applications/fpchess/chessdrawer.pas |  9 ++-
 applications/fpchess/chessgame.pas   |  2 +-
 applications/fpchess/fpchess.lpi     | 88 ++++++++++++----------------
 3 files changed, 45 insertions(+), 54 deletions(-)

diff --git a/applications/fpchess/chessdrawer.pas b/applications/fpchess/chessdrawer.pas
index 9e168f609..4da457dd2 100644
--- a/applications/fpchess/chessdrawer.pas
+++ b/applications/fpchess/chessdrawer.pas
@@ -137,9 +137,10 @@ procedure TChessDrawer.DrawImageWithTransparentColor(ADest: TLazIntfImage;
   const ADestX, ADestY: Integer; AColor: TFPColor; AImage: TFPImageBitmap);
 var
   x, y, CurX, CurY: Integer;
-  CurColor: TFPColor;
   IntfImage: TLazIntfImage;
   lDrawWidth, lDrawHeight: Integer;
+  CurColor: TFPColor;
+  lCurColorDiv, lTranspColorDiv: Byte;
 begin
   IntfImage := TLazIntfImage.Create(0,0);
   try
@@ -158,8 +159,10 @@ begin
         // Never draw outside the destination
         if (CurX < 0) or (CurY < 0) then Continue;
 
-        // CurColor := IntfImage.Colors[x, y]; // Just for debugging
-        if IntfImage.Colors[x, y].Green <> AColor.Green then
+        CurColor := IntfImage.Colors[x, y]; // Good for debugging
+        lCurColorDiv := CurColor.Green div $FF;
+        lTranspColorDiv := AColor.Green div $FF;
+        if lCurColorDiv <> lTranspColorDiv then
           ADest.Colors[CurX, CurY] := IntfImage.Colors[x, y];
       end;
     end;
diff --git a/applications/fpchess/chessgame.pas b/applications/fpchess/chessgame.pas
index 03eed0fa6..841ce54a2 100644
--- a/applications/fpchess/chessgame.pas
+++ b/applications/fpchess/chessgame.pas
@@ -20,7 +20,7 @@ const
   INT_CHESSTILE_SIZE = 40;
   INT_CHESSBOARD_SIZE = 40 * 8;
 
-  FPCOLOR_TRANSPARENT_TILE: TFPColor = (Red: $0000; Green: $8000; Blue: $8000; Alpha: alphaOpaque); //colTeal
+  FPCOLOR_TRANSPARENT_TILE: TFPColor = (Red: $0000; Green: $8100; Blue: $8100; Alpha: alphaOpaque); //+/-colTeal
 
 type
 
diff --git a/applications/fpchess/fpchess.lpi b/applications/fpchess/fpchess.lpi
index fd5a64be4..cf3c18874 100644
--- a/applications/fpchess/fpchess.lpi
+++ b/applications/fpchess/fpchess.lpi
@@ -31,7 +31,7 @@
         <PackageName Value="LCL"/>
       </Item1>
     </RequiredPackages>
-    <Units Count="30">
+    <Units Count="31">
       <Unit0>
         <Filename Value="fpchess.lpr"/>
         <IsPartOfProject Value="True"/>
@@ -161,11 +161,10 @@
         <Filename Value="chessdrawer.pas"/>
         <IsPartOfProject Value="True"/>
         <UnitName Value="chessdrawer"/>
-        <IsVisibleTab Value="True"/>
         <EditorIndex Value="3"/>
         <WindowIndex Value="0"/>
-        <TopLine Value="197"/>
-        <CursorPos X="36" Y="221"/>
+        <TopLine Value="148"/>
+        <CursorPos X="26" Y="157"/>
         <UsageCount Value="31"/>
         <Loaded Value="True"/>
       </Unit16>
@@ -220,10 +219,11 @@
         <Filename Value="chessgame.pas"/>
         <IsPartOfProject Value="True"/>
         <UnitName Value="chessgame"/>
+        <IsVisibleTab Value="True"/>
         <EditorIndex Value="1"/>
         <WindowIndex Value="0"/>
-        <TopLine Value="1"/>
-        <CursorPos X="41" Y="23"/>
+        <TopLine Value="2"/>
+        <CursorPos X="76" Y="23"/>
         <UsageCount Value="23"/>
         <Loaded Value="True"/>
       </Unit23>
@@ -241,32 +241,26 @@
       <Unit25>
         <Filename Value="..\..\..\lazarussvn\lcl\graphics.pp"/>
         <UnitName Value="Graphics"/>
-        <EditorIndex Value="6"/>
         <WindowIndex Value="0"/>
         <TopLine Value="217"/>
         <CursorPos X="12" Y="232"/>
         <UsageCount Value="11"/>
-        <Loaded Value="True"/>
       </Unit25>
       <Unit26>
         <Filename Value="..\..\..\lazarussvn\lcl\intfgraphics.pas"/>
         <UnitName Value="IntfGraphics"/>
-        <EditorIndex Value="4"/>
         <WindowIndex Value="0"/>
         <TopLine Value="3455"/>
         <CursorPos X="1" Y="3483"/>
         <UsageCount Value="10"/>
-        <Loaded Value="True"/>
       </Unit26>
       <Unit27>
         <Filename Value="..\..\..\lazarus29\fpc\2.4.3\source\packages\fcl-image\src\fpimage.pp"/>
         <UnitName Value="FPimage"/>
-        <EditorIndex Value="5"/>
         <WindowIndex Value="0"/>
         <TopLine Value="10"/>
         <CursorPos X="25" Y="31"/>
         <UsageCount Value="10"/>
-        <Loaded Value="True"/>
       </Unit27>
       <Unit28>
         <Filename Value="..\..\..\fpcsvn\packages\fcl-image\src\fpcolors.inc"/>
@@ -283,8 +277,18 @@
         <CursorPos X="1" Y="313"/>
         <UsageCount Value="10"/>
       </Unit29>
+      <Unit30>
+        <Filename Value="..\..\..\fpctrunk\packages\fcl-image\src\fpimage.pp"/>
+        <UnitName Value="FPimage"/>
+        <EditorIndex Value="4"/>
+        <WindowIndex Value="0"/>
+        <TopLine Value="18"/>
+        <CursorPos X="1" Y="30"/>
+        <UsageCount Value="10"/>
+        <Loaded Value="True"/>
+      </Unit30>
     </Units>
-    <JumpHistory Count="30" HistoryIndex="29">
+    <JumpHistory Count="26" HistoryIndex="25">
       <Position1>
         <Filename Value="chessdrawer.pas"/>
         <Caret Line="108" Column="1" TopLine="100"/>
@@ -334,77 +338,61 @@
         <Caret Line="123" Column="29" TopLine="102"/>
       </Position12>
       <Position13>
-        <Filename Value="..\..\..\lazarussvn\lcl\intfgraphics.pas"/>
-        <Caret Line="3485" Column="1" TopLine="3480"/>
+        <Filename Value="chessdrawer.pas"/>
+        <Caret Line="28" Column="15" TopLine="21"/>
       </Position13>
       <Position14>
-        <Filename Value="..\..\..\lazarussvn\lcl\intfgraphics.pas"/>
-        <Caret Line="3488" Column="1" TopLine="3480"/>
+        <Filename Value="chessdrawer.pas"/>
+        <Caret Line="131" Column="1" TopLine="112"/>
       </Position14>
       <Position15>
-        <Filename Value="..\..\..\lazarussvn\lcl\intfgraphics.pas"/>
-        <Caret Line="3486" Column="1" TopLine="3480"/>
+        <Filename Value="chessdrawer.pas"/>
+        <Caret Line="8" Column="73" TopLine="1"/>
       </Position15>
       <Position16>
-        <Filename Value="..\..\..\lazarussvn\lcl\intfgraphics.pas"/>
-        <Caret Line="3485" Column="1" TopLine="3480"/>
+        <Filename Value="chessdrawer.pas"/>
+        <Caret Line="131" Column="15" TopLine="102"/>
       </Position16>
       <Position17>
-        <Filename Value="..\..\..\lazarussvn\lcl\intfgraphics.pas"/>
-        <Caret Line="3481" Column="27" TopLine="3475"/>
+        <Filename Value="chessdrawer.pas"/>
+        <Caret Line="121" Column="21" TopLine="110"/>
       </Position17>
       <Position18>
-        <Filename Value="..\..\..\lazarussvn\lcl\intfgraphics.pas"/>
-        <Caret Line="3492" Column="3" TopLine="3481"/>
+        <Filename Value="chessdrawer.pas"/>
+        <Caret Line="32" Column="24" TopLine="9"/>
       </Position18>
       <Position19>
-        <Filename Value="..\..\..\lazarussvn\lcl\intfgraphics.pas"/>
-        <Caret Line="35" Column="42" TopLine="22"/>
+        <Filename Value="chessdrawer.pas"/>
+        <Caret Line="185" Column="29" TopLine="171"/>
       </Position19>
       <Position20>
         <Filename Value="chessdrawer.pas"/>
-        <Caret Line="28" Column="15" TopLine="21"/>
+        <Caret Line="113" Column="70" TopLine="99"/>
       </Position20>
       <Position21>
         <Filename Value="chessdrawer.pas"/>
-        <Caret Line="131" Column="1" TopLine="112"/>
+        <Caret Line="119" Column="21" TopLine="105"/>
       </Position21>
       <Position22>
         <Filename Value="chessdrawer.pas"/>
-        <Caret Line="8" Column="73" TopLine="1"/>
+        <Caret Line="106" Column="36" TopLine="99"/>
       </Position22>
       <Position23>
         <Filename Value="chessdrawer.pas"/>
-        <Caret Line="131" Column="15" TopLine="102"/>
+        <Caret Line="163" Column="48" TopLine="148"/>
       </Position23>
       <Position24>
         <Filename Value="chessdrawer.pas"/>
-        <Caret Line="121" Column="21" TopLine="110"/>
+        <Caret Line="161" Column="1" TopLine="148"/>
       </Position24>
       <Position25>
         <Filename Value="chessdrawer.pas"/>
-        <Caret Line="32" Column="24" TopLine="9"/>
+        <Caret Line="142" Column="15" TopLine="136"/>
       </Position25>
       <Position26>
         <Filename Value="chessdrawer.pas"/>
-        <Caret Line="185" Column="29" TopLine="171"/>
+        <Caret Line="165" Column="43" TopLine="148"/>
       </Position26>
-      <Position27>
-        <Filename Value="chessdrawer.pas"/>
-        <Caret Line="71" Column="38" TopLine="111"/>
-      </Position27>
-      <Position28>
-        <Filename Value="chessdrawer.pas"/>
-        <Caret Line="113" Column="70" TopLine="99"/>
-      </Position28>
-      <Position29>
-        <Filename Value="chessdrawer.pas"/>
-        <Caret Line="119" Column="21" TopLine="105"/>
-      </Position29>
-      <Position30>
-        <Filename Value="chessdrawer.pas"/>
-        <Caret Line="106" Column="36" TopLine="99"/>
-      </Position30>
     </JumpHistory>
   </ProjectOptions>
   <CompilerOptions>