From: Ketmar Dark <ketmar@ketmar.no-ip.org>
Date: Mon, 25 Sep 2017 22:00:09 +0000 (+0300)
Subject: Holmes: gxlib API change
X-Git-Url: http://deadsoftware.ru/gitweb?a=commitdiff_plain;h=cd4267cdb40a9994eec9b093c45f711b2fa6d259;p=d2df-sdl.git

Holmes: gxlib API change
---

diff --git a/src/game/g_holmes.pas b/src/game/g_holmes.pas
index 94e6171..53b7c73 100644
--- a/src/game/g_holmes.pas
+++ b/src/game/g_holmes.pas
@@ -702,11 +702,11 @@ var
       end;
       if g_ol_fill_walls then
       begin
-        fillRect(pan.X, pan.Y, pan.Width, pan.Height, r, g, b);
+        fillRect(pan.X, pan.Y, pan.Width, pan.Height, TGxRGBA.Create(r, g, b));
       end
       else if not g_ol_nice then
       begin
-        drawRect(pan.X, pan.Y, pan.Width, pan.Height, r, g, b);
+        drawRect(pan.X, pan.Y, pan.Width, pan.Height, TGxRGBA.Create(r, g, b));
       end;
     end;
     if g_ol_nice then
@@ -737,12 +737,12 @@ procedure plrDebugDraw ();
   begin
     for y := 0 to (mapGrid.gridHeight div mapGrid.tileSize) do
     begin
-      drawLine(mapGrid.gridX0, mapGrid.gridY0+y*mapGrid.tileSize, mapGrid.gridX0+mapGrid.gridWidth, mapGrid.gridY0+y*mapGrid.tileSize, 96, 96, 96, 255);
+      drawLine(mapGrid.gridX0, mapGrid.gridY0+y*mapGrid.tileSize, mapGrid.gridX0+mapGrid.gridWidth, mapGrid.gridY0+y*mapGrid.tileSize, TGxRGBA.Create(96, 96, 96));
     end;
 
     for x := 0 to (mapGrid.gridWidth div mapGrid.tileSize) do
     begin
-      drawLine(mapGrid.gridX0+x*mapGrid.tileSize, mapGrid.gridY0, mapGrid.gridX0+x*mapGrid.tileSize, mapGrid.gridY0+y*mapGrid.gridHeight, 96, 96, 96, 255);
+      drawLine(mapGrid.gridX0+x*mapGrid.tileSize, mapGrid.gridY0, mapGrid.gridX0+x*mapGrid.tileSize, mapGrid.gridY0+y*mapGrid.gridHeight, TGxRGBA.Create(96, 96, 96));
     end;
   end;
 
@@ -756,7 +756,7 @@ procedure plrDebugDraw ();
       begin
         if awmIsSetHolmes(x*mapGrid.tileSize+mapGrid.gridX0+1, y*mapGrid.tileSize++mapGrid.gridY0+1) then
         begin
-          fillRect(x*mapGrid.tileSize++mapGrid.gridX0, y*mapGrid.tileSize++mapGrid.gridY0, monsGrid.tileSize, monsGrid.tileSize, 128, 0, 128, 64);
+          fillRect(x*mapGrid.tileSize++mapGrid.gridX0, y*mapGrid.tileSize++mapGrid.gridY0, monsGrid.tileSize, monsGrid.tileSize, TGxRGBA.Create(128, 0, 128, 64));
         end;
       end;
     end;
@@ -774,25 +774,25 @@ procedure plrDebugDraw ();
     plr := gPlayers[0];
     if (plr = nil) then exit;
     plr.getMapBox(px, py, pw, ph);
-    drawRect(px, py, pw, ph, 255, 0, 255, 200);
+    drawRect(px, py, pw, ph, TGxRGBA.Create(255, 0, 255, 200));
     pdx := pmsCurMapX-(px+pw div 2);
     pdy := pmsCurMapY-(py+ph div 2);
-    drawLine(px+pw div 2, py+ph div 2, px+pw div 2+pdx, py+ph div 2+pdy, 255, 0, 255, 200);
+    drawLine(px+pw div 2, py+ph div 2, px+pw div 2+pdx, py+ph div 2+pdy, TGxRGBA.Create(255, 0, 255, 200));
     pan := mapGrid.traceBox(ex, ey, px, py, pw, ph, pdx, pdy, nil, GridTagObstacle);
     if (pan = nil) then
     begin
-      drawRect(px+pdx, py+pdy, pw, ph, 255, 255, 255, 180);
+      drawRect(px+pdx, py+pdy, pw, ph, TGxRGBA.Create(255, 255, 255, 180));
     end
     else
     begin
-      drawRect(px+pdx, py+pdy, pw, ph, 255, 255, 0, 180);
+      drawRect(px+pdx, py+pdy, pw, ph, TGxRGBA.Create(255, 255, 0, 180));
     end;
-    drawRect(ex, ey, pw, ph, 255, 127, 0, 180);
+    drawRect(ex, ey, pw, ph, TGxRGBA.Create(255, 127, 0, 180));
   end;
 
   procedure hilightCell (cx, cy: Integer);
   begin
-    fillRect(cx, cy, monsGrid.tileSize, monsGrid.tileSize, 0, 128, 0, 64);
+    fillRect(cx, cy, monsGrid.tileSize, monsGrid.tileSize, TGxRGBA.Create(0, 128, 0, 64));
   end;
 
   procedure hilightCell1 (cx, cy: Integer);
@@ -800,7 +800,7 @@ procedure plrDebugDraw ();
     //e_WriteLog(Format('h1: (%d,%d)', [cx, cy]), MSG_NOTIFY);
     cx := cx and (not (monsGrid.tileSize-1));
     cy := cy and (not (monsGrid.tileSize-1));
-    fillRect(cx, cy, monsGrid.tileSize, monsGrid.tileSize, 255, 255, 0, 92);
+    fillRect(cx, cy, monsGrid.tileSize, monsGrid.tileSize, TGxRGBA.Create(255, 255, 0, 92));
   end;
 
   function hilightWallTrc (pan: TPanel; tag: Integer; x, y, prevx, prevy: Integer): Boolean;
@@ -808,7 +808,7 @@ procedure plrDebugDraw ();
     result := false; // don't stop
     if (pan = nil) then exit; // cell completion, ignore
     //e_WriteLog(Format('h1: (%d,%d)', [cx, cy]), MSG_NOTIFY);
-    fillRect(pan.X, pan.Y, pan.Width, pan.Height, 0, 128, 128, 64);
+    fillRect(pan.X, pan.Y, pan.Width, pan.Height, TGxRGBA.Create(0, 128, 128, 64));
   end;
 
   function monsCollector (mon: TMonster; tag: Integer): Boolean;
@@ -851,10 +851,10 @@ procedure plrDebugDraw ();
         exit;
       end;
       mon.getMapBox(mx, my, mw, mh);
-      drawLine(mx+mw div 2, my+mh div 2, emx+emw div 2, emy+emh div 2, 255, 0, 0, 255);
+      drawLine(mx+mw div 2, my+mh div 2, emx+emw div 2, emy+emh div 2, TGxRGBA.Create(255, 0, 0));
       if (g_Map_traceToNearestWall(mx+mw div 2, my+mh div 2, emx+emw div 2, emy+emh div 2, @ex, @ey) <> nil) then
       begin
-        drawLine(mx+mw div 2, my+mh div 2, ex, ey, 0, 255, 0, 255);
+        drawLine(mx+mw div 2, my+mh div 2, ex, ey, TGxRGBA.Create(0, 255, 0));
       end;
     end;
 
@@ -868,14 +868,14 @@ procedure plrDebugDraw ();
       if (eplr = nil) then exit;
       eplr.getMapBox(emx, emy, emw, emh);
       mon.getMapBox(mx, my, mw, mh);
-      drawLine(mx+mw div 2, my+mh div 2, emx+emw div 2, emy+emh div 2, 255, 0, 0, 255);
+      drawLine(mx+mw div 2, my+mh div 2, emx+emw div 2, emy+emh div 2, TGxRGBA.Create(255, 0, 0));
       {$IF DEFINED(D2F_DEBUG)}
       mapGrid.dbgRayTraceTileHitCB := hilightCell1;
       {$ENDIF}
       if (g_Map_traceToNearestWall(mx+mw div 2, my+mh div 2, emx+emw div 2, emy+emh div 2, @ex, @ey) <> nil) then
       //if (mapGrid.traceRay(ex, ey, mx+mw div 2, my+mh div 2, emx+emw div 2, emy+emh div 2, hilightWallTrc, (GridTagWall or GridTagDoor)) <> nil) then
       begin
-        drawLine(mx+mw div 2, my+mh div 2, ex, ey, 0, 255, 0, 255);
+        drawLine(mx+mw div 2, my+mh div 2, ex, ey, TGxRGBA.Create(0, 255, 0));
       end;
       {$IF DEFINED(D2F_DEBUG)}
       mapGrid.dbgRayTraceTileHitCB := nil;
@@ -897,18 +897,18 @@ procedure plrDebugDraw ();
       my -= 2;
 
       // type
-      drawText6(mx, my, Format('%s(U:%u)', [monsTypeToString(mon.MonsterType), mon.UID]), 255, 127, 0); my -= 8;
+      drawText6(mx, my, Format('%s(U:%u)', [monsTypeToString(mon.MonsterType), mon.UID]), TGxRGBA.Create(255, 127, 0)); my -= 8;
       // beh
-      drawText6(mx, my, Format('Beh: %s', [monsBehToString(mon.MonsterBehaviour)]), 255, 127, 0); my -= 8;
+      drawText6(mx, my, Format('Beh: %s', [monsBehToString(mon.MonsterBehaviour)]), TGxRGBA.Create(255, 127, 0)); my -= 8;
       // state
-      drawText6(mx, my, Format('State:%s (%d)', [monsStateToString(mon.MonsterState), mon.MonsterSleep]), 255, 127, 0); my -= 8;
+      drawText6(mx, my, Format('State:%s (%d)', [monsStateToString(mon.MonsterState), mon.MonsterSleep]), TGxRGBA.Create(255, 127, 0)); my -= 8;
       // health
-      drawText6(mx, my, Format('Health:%d', [mon.MonsterHealth]), 255, 127, 0); my -= 8;
+      drawText6(mx, my, Format('Health:%d', [mon.MonsterHealth]), TGxRGBA.Create(255, 127, 0)); my -= 8;
       // ammo
-      drawText6(mx, my, Format('Ammo:%d', [mon.MonsterAmmo]), 255, 127, 0); my -= 8;
+      drawText6(mx, my, Format('Ammo:%d', [mon.MonsterAmmo]), TGxRGBA.Create(255, 127, 0)); my -= 8;
       // target
-      drawText6(mx, my, Format('TgtUID:%u', [mon.MonsterTargetUID]), 255, 127, 0); my -= 8;
-      drawText6(mx, my, Format('TgtTime:%d', [mon.MonsterTargetTime]), 255, 127, 0); my -= 8;
+      drawText6(mx, my, Format('TgtUID:%u', [mon.MonsterTargetUID]), TGxRGBA.Create(255, 127, 0)); my -= 8;
+      drawText6(mx, my, Format('TgtTime:%d', [mon.MonsterTargetTime]), TGxRGBA.Create(255, 127, 0)); my -= 8;
     end;
 
     drawMonsterTargetLine();
@@ -934,7 +934,7 @@ procedure plrDebugDraw ();
     pan := g_Map_PanelByGUID(platMarkedGUID);
     if (pan = nil) then exit;
     mapGrid.forEachBodyCell(pan.proxyId, hilightCell);
-    drawRect(pan.x, pan.y, pan.width, pan.height, 0, 200, 0, 200);
+    drawRect(pan.x, pan.y, pan.width, pan.height, TGxRGBA.Create(0, 200, 0, 200));
   end;
 
   procedure drawTrigger (var trig: TTrigger);
@@ -948,21 +948,21 @@ procedure plrDebugDraw ();
       drawLine(
         trig.trigCenter.x, trig.trigCenter.y,
         pan.x+pan.width div 2, pan.y+pan.height div 2,
-        255, 0, 255, 220);
+        TGxRGBA.Create(255, 0, 255, 220));
     end;
 
   var
     tts: AnsiString;
     tx: Integer;
   begin
-    fillRect(trig.x, trig.y, trig.width, trig.height, 255, 0, 255, 96);
+    fillRect(trig.x, trig.y, trig.width, trig.height, TGxRGBA.Create(255, 0, 255, 96));
     tts := trigType2Str(trig.TriggerType);
     tx := trig.x+(trig.width-Length(tts)*6) div 2;
     darkenRect(tx-2, trig.y-10, Length(tts)*6+4, 10, 64);
-    drawText6(tx, trig.y-9, tts, 255, 127, 0);
+    drawText6(tx, trig.y-9, tts, TGxRGBA.Create(255, 127, 0));
     tx := trig.x+(trig.width-Length(trig.mapId)*6) div 2;
     darkenRect(tx-2, trig.y-20, Length(trig.mapId)*6+4, 10, 64);
-    drawText6(tx, trig.y-19, trig.mapId, 255, 255, 0);
+    drawText6(tx, trig.y-19, trig.mapId, TGxRGBA.Create(255, 255, 0));
     drawPanelDest(trig.trigPanelGUID);
     case trig.TriggerType of
       TRIGGER_NONE: begin end;
@@ -986,12 +986,12 @@ procedure plrDebugDraw ();
             fillRect(
               trig.trigDataRec.trigTX, trig.trigDataRec.trigTY,
               trig.trigDataRec.trigTWidth, trig.trigDataRec.trigTHeight,
-              0, 255, 255, 42);
+              TGxRGBA.Create(0, 255, 255, 42));
             drawLine(
               trig.trigCenter.x, trig.trigCenter.y,
               trig.trigDataRec.trigTX+trig.trigDataRec.trigTWidth div 2,
               trig.trigDataRec.trigTY+trig.trigDataRec.trigTHeight div 2,
-              255, 0, 255, 220);
+              TGxRGBA.Create(255, 0, 255, 220));
           end;
         end;
       TRIGGER_SOUND: begin end;
@@ -1030,7 +1030,7 @@ procedure plrDebugDraw ();
       if gib.alive then
       begin
         gib.getMapBox(px, py, pw, ph);
-        drawRect(px, py, pw, ph, 255, 0, 255);
+        drawRect(px, py, pw, ph, TGxRGBA.Create(255, 0, 255));
       end;
     end;
   end;
@@ -1100,7 +1100,7 @@ begin
     scisave.restore();
   end;
 
-  if showMapCurPos then drawText8(4, gWinSizeY-10, Format('mappos:(%d,%d)', [pmsCurMapX, pmsCurMapY]), 255, 255, 0);
+  if showMapCurPos then drawText8(4, gWinSizeY-10, Format('mappos:(%d,%d)', [pmsCurMapX, pmsCurMapY]), TGxRGBA.Create(255, 255, 0));
 end;
 
 
diff --git a/src/gx/gh_ui.pas b/src/gx/gh_ui.pas
index 8875f7d..85a4a5f 100644
--- a/src/gx/gh_ui.pas
+++ b/src/gx/gh_ui.pas
@@ -1436,7 +1436,7 @@ end;
 
 procedure THTopWindow.drawControl (gx, gy: Integer);
 begin
-  fillRect(gx, gy, mWidth, mHeight, 0, 0, 128);
+  fillRect(gx, gy, mWidth, mHeight, TGxRGBA.Create(0, 0, 128));
 end;
 
 
@@ -1449,24 +1449,24 @@ var
 begin
   if mDragging then
   begin
-    drawRectUI(mX+4, mY+4, mWidth-8, mHeight-8, r, g, b);
+    drawRectUI(mX+4, mY+4, mWidth-8, mHeight-8, TGxRGBA.Create(r, g, b));
   end
   else
   begin
-    drawRectUI(mX+3, mY+3, mWidth-6, mHeight-6, r, g, b);
-    drawRectUI(mX+5, mY+5, mWidth-10, mHeight-10, r, g, b);
+    drawRectUI(mX+3, mY+3, mWidth-6, mHeight-6, TGxRGBA.Create(r, g, b));
+    drawRectUI(mX+5, mY+5, mWidth-10, mHeight-10, TGxRGBA.Create(r, g, b));
     setScissor(mFrameWidth, 0, 3*8, 8);
-    fillRect(mX+mFrameWidth, mY, 3*8, 8, 0, 0, 128);
-    drawText8(mX+mFrameWidth, mY, '[ ]', r, g, b);
-    if mInClose then drawText8(mX+mFrameWidth+7, mY, '#', 0, 255, 0)
-    else drawText8(mX+mFrameWidth+7, mY, '*', 0, 255, 0);
+    fillRect(mX+mFrameWidth, mY, 3*8, 8, TGxRGBA.Create(0, 0, 128));
+    drawText8(mX+mFrameWidth, mY, '[ ]', TGxRGBA.Create(r, g, b));
+    if mInClose then drawText8(mX+mFrameWidth+7, mY, '#', TGxRGBA.Create(0, 255, 0))
+    else drawText8(mX+mFrameWidth+7, mY, '*', TGxRGBA.Create(0, 255, 0));
   end;
   if (Length(mTitle) > 0) then
   begin
     setScissor(mFrameWidth+3*8, 0, mWidth-mFrameWidth*2-3*8, 8);
     tx := (mX+3*8)+((mWidth-3*8)-Length(mTitle)*8) div 2;
-    fillRect(tx-3, mY, Length(mTitle)*8+3+2, 8, 0, 0, 128);
-    drawText8(tx, mY, mTitle, r, g, b);
+    fillRect(tx-3, mY, Length(mTitle)*8+3+2, 8, TGxRGBA.Create(0, 0, 128));
+    drawText8(tx, mY, mTitle, TGxRGBA.Create(r, g, b));
   end;
   inherited drawControlPost(gx, gy);
 end;
@@ -1624,15 +1624,15 @@ begin
       b := 255;
       if (Length(it.title) = 0) then
       begin
-        drawHLine(gx+4, gy+3, mWidth-8, r, g, b);
+        drawHLine(gx+4, gy+3, mWidth-8, TGxRGBA.Create(r, g, b));
       end
       else if (tx-3 > gx+4) then
       begin
-        drawHLine(gx+4, gy+3, tx-3-(gx+3), r, g, b);
-        drawHLine(tx+Length(it.title)*8, gy+3, mWidth-4, r, g, b);
+        drawHLine(gx+4, gy+3, tx-3-(gx+3), TGxRGBA.Create(r, g, b));
+        drawHLine(tx+Length(it.title)*8, gy+3, mWidth-4, TGxRGBA.Create(r, g, b));
       end;
     end;
-    drawText8(tx, gy, it.title, r, g, b);
+    drawText8(tx, gy, it.title, TGxRGBA.Create(r, g, b));
     Inc(gy, 8);
   end;
 end;
@@ -1695,25 +1695,25 @@ begin
   for f := 0 to High(mItems) do
   begin
     it := @mItems[f];
-    if (mCurIndex = f) then fillRect(gx, gy, mWidth, 8, 0, 128, 0);
+    if (mCurIndex = f) then fillRect(gx, gy, mWidth, 8, TGxRGBA.Create(0, 128, 0));
     if (it.varp <> nil) then
     begin
-      if it.varp^ then drawText8(gx, gy, '[x]', 255, 255, 255) else drawText8(gx, gy, '[ ]', 255, 255, 255);
-      drawText8(gx+3*8+2, gy, it.title, 255, 255, 0);
+      if it.varp^ then drawText8(gx, gy, '[x]', TGxRGBA.Create(255, 255, 255)) else drawText8(gx, gy, '[ ]', TGxRGBA.Create(255, 255, 255));
+      drawText8(gx+3*8+2, gy, it.title, TGxRGBA.Create(255, 255, 0));
     end
     else if (Length(it.title) > 0) then
     begin
       tx := gx+(mWidth-Length(it.title)*8) div 2;
       if (tx-3 > gx+4) then
       begin
-        drawHLine(gx+4, gy+3, tx-3-(gx+3), 255, 255, 255);
-        drawHLine(tx+Length(it.title)*8, gy+3, mWidth-4, 255, 255, 255);
+        drawHLine(gx+4, gy+3, tx-3-(gx+3), TGxRGBA.Create(255, 255, 255));
+        drawHLine(tx+Length(it.title)*8, gy+3, mWidth-4, TGxRGBA.Create(255, 255, 255));
       end;
-      drawText8(tx, gy, it.title, 255, 255, 255);
+      drawText8(tx, gy, it.title, TGxRGBA.Create(255, 255, 255));
     end
     else
     begin
-      drawHLine(gx+4, gy+3, mWidth-8, 255, 255, 255);
+      drawHLine(gx+4, gy+3, mWidth-8, TGxRGBA.Create(255, 255, 255));
     end;
     Inc(gy, 8);
   end;
@@ -1858,15 +1858,15 @@ begin
   if mHasFrame then
   begin
     // draw frame
-    drawRectUI(gx+3, gy+3, mWidth-6, mHeight-6, r, g, b);
+    drawRectUI(gx+3, gy+3, mWidth-6, mHeight-6, TGxRGBA.Create(r, g, b));
   end;
   // draw caption
   if (Length(mCaption) > 0) then
   begin
     setScissor(mFrameWidth+1, 0, mWidth-mFrameWidth-2, 8);
     tx := gx+((mWidth-Length(mCaption)*8) div 2);
-    if mHasFrame then fillRect(tx-2, gy, Length(mCaption)*8+3, 8, 0, 0, 128);
-    drawText8(tx, gy, mCaption, r, g, b);
+    if mHasFrame then fillRect(tx-2, gy, Length(mCaption)*8+3, 8, TGxRGBA.Create(0, 0, 128));
+    drawText8(tx, gy, mCaption, TGxRGBA.Create(r, g, b));
   end;
 end;
 
@@ -1940,13 +1940,12 @@ procedure THCtlLine.drawControl (gx, gy: Integer);
 begin
   if mHoriz then
   begin
-    drawHLine(gx, gy+(mHeight div 2), mWidth, 255, 255, 255);
+    drawHLine(gx, gy+(mHeight div 2), mWidth, TGxRGBA.Create(255, 255, 255));
   end
   else
   begin
-    drawVLine(gx+(mWidth div 2), gy, mHeight, 255, 255, 255);
+    drawVLine(gx+(mWidth div 2), gy, mHeight, TGxRGBA.Create(255, 255, 255));
   end;
-  //fillRect(gx, gy, mWidth, mHeight, 255, 0, 0);
 end;
 
 
@@ -2012,8 +2011,8 @@ var
   xpos, ypos: Integer;
 begin
   // debug
-  fillRect(gx, gy, mWidth, mHeight, 96, 96, 0);
-  drawRectUI(gx, gy, mWidth, mHeight, 96, 96, 96);
+  fillRect(gx, gy, mWidth, mHeight, TGxRGBA.Create(96, 96, 0));
+  drawRectUI(gx, gy, mWidth, mHeight, TGxRGBA.Create(96, 96, 96));
 
   if (Length(mText) > 0) then
   begin
@@ -2025,7 +2024,7 @@ begin
     else if (mVAlign > 0) then ypos := mHeight-8
     else ypos := (mHeight-8) div 2;
 
-    drawText8(gx+xpos, gy+ypos, mText, 255, 255, 255);
+    drawText8(gx+xpos, gy+ypos, mText, TGxRGBA.Create(255, 255, 255));
   end;
 end;
 
diff --git a/src/gx/glgfx.pas b/src/gx/glgfx.pas
index 5fa57e7..84bbe53 100644
--- a/src/gx/glgfx.pas
+++ b/src/gx/glgfx.pas
@@ -132,28 +132,29 @@ function intersectRect (var x0, y0, w0, h0: Integer; const x1, y1, w1, h1: Integ
 
 procedure normRGBA (var r, g, b, a: Integer); inline;
 function setupGLColor (r, g, b, a: Integer): Boolean;
+function setupGLColor (constref clr: TGxRGBA): Boolean;
 function isScaled (): Boolean;
 
 function textWidth6 (const s: AnsiString): Integer;
 function textWidth8 (const s: AnsiString): Integer;
 // return width (including last empty pixel)
-function drawTextInternal (wdt, x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer; tid: GLuint; constref fontwdt: array of Byte; prop: Boolean): Integer;
-procedure drawLine (x1, y1, x2, y2: Integer; r, g, b: Integer; a: Integer=255);
-procedure drawVLine (x, y, len: Integer; r, g, b: Integer; a: Integer=255);
-procedure drawHLine (x, y, len: Integer; r, g, b: Integer; a: Integer=255);
-procedure drawRect (x, y, w, h: Integer; r, g, b: Integer; a: Integer=255);
-procedure drawRectUI (x, y, w, h: Integer; r, g, b: Integer; a: Integer=255);
+function drawTextInternal (wdt, x, y: Integer; const s: AnsiString; constref clr: TGxRGBA; tid: GLuint; constref fontwdt: array of Byte; prop: Boolean): Integer;
+procedure drawLine (x1, y1, x2, y2: Integer; constref clr: TGxRGBA);
+procedure drawVLine (x, y, len: Integer; constref clr: TGxRGBA);
+procedure drawHLine (x, y, len: Integer; constref clr: TGxRGBA);
+procedure drawRect (x, y, w, h: Integer; constref clr: TGxRGBA);
+procedure drawRectUI (x, y, w, h: Integer; constref clr: TGxRGBA);
 procedure darkenRect (x, y, w, h: Integer; a: Integer);
-procedure fillRect (x, y, w, h: Integer; r, g, b: Integer; a: Integer=255);
-function drawText6 (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
-function drawText8 (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
-function drawText6Prop (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
-function drawText8Prop (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
+procedure fillRect (x, y, w, h: Integer; constref clr: TGxRGBA);
+function drawText6 (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
+function drawText8 (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
+function drawText6Prop (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
+function drawText8Prop (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
 // x-centered at `x`
-function drawText6XC (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
-function drawText8XC (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
-function drawText6PropXC (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
-function drawText8PropXC (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
+function drawText6XC (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
+function drawText8XC (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
+function drawText6PropXC (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
+function drawText8PropXC (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
 
 
 // ////////////////////////////////////////////////////////////////////////// //
@@ -1143,6 +1144,23 @@ begin
   result := true;
 end;
 
+// returns `false` if the color is transparent
+function setupGLColor (constref clr: TGxRGBA): Boolean;
+begin
+  if (clr.a < 255) then
+  begin
+    if (clr.a = 0) then begin result := false; exit; end;
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+  end
+  else
+  begin
+    glDisable(GL_BLEND);
+  end;
+  glColor4ub(clr.r, clr.g, clr.b, clr.a);
+  result := true;
+end;
+
 function isScaled (): Boolean;
 var
   mt: packed array [0..15] of Double;
@@ -1174,14 +1192,14 @@ end;
 
 
 // return width (including last empty pixel)
-function drawTextInternal (wdt, x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer; tid: GLuint; constref fontwdt: array of Byte; prop: Boolean): Integer;
+function drawTextInternal (wdt, x, y: Integer; const s: AnsiString; constref clr: TGxRGBA; tid: GLuint; constref fontwdt: array of Byte; prop: Boolean): Integer;
 var
   f, c: Integer;
   tx, ty: Integer;
 begin
   result := 0;
   if (Length(s) = 0) then exit;
-  if not setupGLColor(r, g, b, a) then exit;
+  if not setupGLColor(clr) then exit;
 
   glEnable(GL_ALPHA_TEST);
   glAlphaFunc(GL_NOTEQUAL, 0.0);
@@ -1220,10 +1238,10 @@ end;
 
 
 // ////////////////////////////////////////////////////////////////////////// //
-procedure drawHLine (x, y, len: Integer; r, g, b: Integer; a: Integer=255);
+procedure drawHLine (x, y, len: Integer; constref clr: TGxRGBA);
 begin
   if (len < 1) then exit;
-  if not setupGLColor(r, g, b, a) then exit;
+  if not setupGLColor(clr) then exit;
   glDisable(GL_TEXTURE_2D);
   if (not isScaled) then
   begin
@@ -1244,10 +1262,10 @@ begin
 end;
 
 
-procedure drawVLine (x, y, len: Integer; r, g, b: Integer; a: Integer=255);
+procedure drawVLine (x, y, len: Integer; constref clr: TGxRGBA);
 begin
   if (len < 1) then exit;
-  if not setupGLColor(r, g, b, a) then exit;
+  if not setupGLColor(clr) then exit;
   glDisable(GL_TEXTURE_2D);
   if (not isScaled) then
   begin
@@ -1268,9 +1286,9 @@ begin
 end;
 
 
-procedure drawLine (x1, y1, x2, y2: Integer; r, g, b: Integer; a: Integer=255);
+procedure drawLine (x1, y1, x2, y2: Integer; constref clr: TGxRGBA);
 begin
-  if not setupGLColor(r, g, b, a) then exit;
+  if not setupGLColor(clr) then exit;
 
   glDisable(GL_TEXTURE_2D);
 
@@ -1307,10 +1325,10 @@ begin
 end;
 
 
-procedure drawRect (x, y, w, h: Integer; r, g, b: Integer; a: Integer=255);
+procedure drawRect (x, y, w, h: Integer; constref clr: TGxRGBA);
 begin
   if (w < 0) or (h < 0) then exit;
-  if not setupGLColor(r, g, b, a) then exit;
+  if not setupGLColor(clr) then exit;
   glDisable(GL_TEXTURE_2D);
   glLineWidth(1);
   glDisable(GL_LINE_SMOOTH);
@@ -1336,7 +1354,7 @@ begin
 end;
 
 
-procedure drawRectUI (x, y, w, h: Integer; r, g, b: Integer; a: Integer=255);
+procedure drawRectUI (x, y, w, h: Integer; constref clr: TGxRGBA);
   procedure hline (x, y, len: Integer);
   begin
     if (len < 1) then exit;
@@ -1363,7 +1381,7 @@ var
   scaled: Boolean;
 begin
   if (w < 0) or (h < 0) then exit;
-  if not setupGLColor(r, g, b, a) then exit;
+  if not setupGLColor(clr) then exit;
   glDisable(GL_TEXTURE_2D);
   glLineWidth(1);
   glDisable(GL_LINE_SMOOTH);
@@ -1424,10 +1442,10 @@ begin
 end;
 
 
-procedure fillRect (x, y, w, h: Integer; r, g, b: Integer; a: Integer=255);
+procedure fillRect (x, y, w, h: Integer; constref clr: TGxRGBA);
 begin
   if (w < 0) or (h < 0) then exit;
-  if not setupGLColor(r, g, b, a) then exit;
+  if not setupGLColor(clr) then exit;
   glDisable(GL_LINE_SMOOTH);
   glDisable(GL_POLYGON_SMOOTH);
   glDisable(GL_TEXTURE_2D);
@@ -1443,63 +1461,63 @@ end;
 
 
 // ////////////////////////////////////////////////////////////////////////// //
-function drawText6 (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
+function drawText6 (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
 begin
   if (font6texid = 0) then createFonts();
-  drawTextInternal(6, x, y, s, r, g, b, a, font6texid, kgiFont6PropWidth, false);
+  drawTextInternal(6, x, y, s, clr, font6texid, kgiFont6PropWidth, false);
   result := Length(s)*6;
 end;
 
-function drawText8 (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
+function drawText8 (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
 begin
   if (font8texid = 0) then createFonts();
-  drawTextInternal(8, x, y, s, r, g, b, a, font8texid, kgiFont8PropWidth, false);
+  drawTextInternal(8, x, y, s, clr, font8texid, kgiFont8PropWidth, false);
   result := Length(s)*8;
 end;
 
-function drawText6Prop (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
+function drawText6Prop (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
 begin
   if (prfont6texid = 0) then createFonts();
-  result := drawTextInternal(6, x, y, s, r, g, b, a, prfont6texid, kgiFont6PropWidth, true);
+  result := drawTextInternal(6, x, y, s, clr, prfont6texid, kgiFont6PropWidth, true);
 end;
 
-function drawText8Prop (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
+function drawText8Prop (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
 begin
   if (prfont8texid = 0) then createFonts();
-  result := drawTextInternal(8, x, y, s, r, g, b, a, prfont8texid, kgiFont8PropWidth, true);
+  result := drawTextInternal(8, x, y, s, clr, prfont8texid, kgiFont8PropWidth, true);
 end;
 
 
 // ////////////////////////////////////////////////////////////////////////// //
 // x-centered at `x`
-function drawText6XC (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
+function drawText6XC (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
 begin
   if (font6texid = 0) then createFonts();
   x -= Length(s)*6 div 2;
-  drawTextInternal(6, x, y, s, r, g, b, a, font6texid, kgiFont6PropWidth, false);
+  drawTextInternal(6, x, y, s, clr, font6texid, kgiFont6PropWidth, false);
   result := Length(s)*6;
 end;
 
-function drawText8XC (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
+function drawText8XC (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
 begin
   if (font8texid = 0) then createFonts();
   x -= Length(s)*8 div 2;
-  drawTextInternal(8, x, y, s, r, g, b, a, font8texid, kgiFont8PropWidth, false);
+  drawTextInternal(8, x, y, s, clr, font8texid, kgiFont8PropWidth, false);
   result := Length(s)*8;
 end;
 
-function drawText6PropXC (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
+function drawText6PropXC (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
 begin
   if (prfont6texid = 0) then createFonts();
   x -= textWidth6(s) div 2;
-  result := drawTextInternal(6, x, y, s, r, g, b, a, prfont6texid, kgiFont6PropWidth, true);
+  result := drawTextInternal(6, x, y, s, clr, prfont6texid, kgiFont6PropWidth, true);
 end;
 
-function drawText8PropXC (x, y: Integer; const s: AnsiString; r, g, b: Integer; a: Integer=255): Integer;
+function drawText8PropXC (x, y: Integer; const s: AnsiString; constref clr: TGxRGBA): Integer;
 begin
   if (prfont8texid = 0) then createFonts();
   x -= textWidth8(s) div 2;
-  result := drawTextInternal(8, x, y, s, r, g, b, a, prfont8texid, kgiFont8PropWidth, true);
+  result := drawTextInternal(8, x, y, s, clr, prfont8texid, kgiFont8PropWidth, true);
 end;