Changeset 230 for trunk/Packages/CevoComponents

Timestamp:

May 14, 2020, 10:39:45 PM (5 years ago)

Author:

chronos

Message:

• Modified: Optimized drawing in Wonders window.

Location:

trunk/Packages/CevoComponents

Files:

• ScreenTools.pas (modified) (3 diffs)
• UPixelPointer.pas (modified) (2 diffs)

trunk/Packages/CevoComponents/ScreenTools.pas

@@ -911 +911 @@
 begin
   dst.BeginUpdate;
-  DstPtr := PixelPointer(dst, x0, y0);
+  DstPtr := PixelPointer(dst, x0 - GlowRange + 1, y0 - GlowRange + 1);
   for y := -GlowRange + 1 to Height - 1 + GlowRange - 1 do begin
     for x := -GlowRange + 1 to Width - 1 + GlowRange - 1 do begin
-      DstPtr.SetXY(x, y);
       if x < 0 then
         if y < 0 then
@@ -933 +932 @@
       else if y >= Height then
         r := y - (Height - 1)
-      else
+      else begin
+        DstPtr.NextPixel;
         continue;
+      end;
       if r = 0 then
         r := 1;
@@ -942 +943 @@
             (DstPtr.Pixel^.Planes[2 - ch] * (r - 1) + (cl shr (8 * ch) and $FF) *
             (GlowRange - r)) div (GlowRange - 1);
-    end;
+      DstPtr.NextPixel;
+    end;
+    DstPtr.NextLine;
   end;
   dst.EndUpdate;

trunk/Packages/CevoComponents/UPixelPointer.pas

@@ -27 +27 @@
     BytesPerPixel: Integer;
     BytesPerLine: Integer;
-    procedure NextLine; inline; // Move pointer to start of new base line
+    procedure NextLine; inline; // Move pointer to start of next line
+    procedure PreviousLine; inline; // Move pointer to start of previous line
     procedure NextPixel; inline; // Move pointer to next pixel
+    procedure PreviousPixel; inline; // Move pointer to previous pixel
     procedure SetXY(X, Y: Integer); inline; // Set pixel position relative to base
     procedure SetX(X: Integer); inline; // Set horizontal pixel position relative to base
@@ -47 +49 @@
 end;
 
+procedure TPixelPointer.PreviousLine;
+begin
+  Line := Pointer(Line) - BytesPerLine;
+  Pixel := Line;
+end;
+
 procedure TPixelPointer.NextPixel; inline;
 begin
   Pixel := Pointer(Pixel) + BytesPerPixel;
+end;
+
+procedure TPixelPointer.PreviousPixel;
+begin
+  Pixel := Pointer(Pixel) - BytesPerPixel;
 end;