Merge pull request #464 from analogjupiter/pixmappaint

PixmapPaint October ’24 update

color.d

@@ -1906,6 +1906,23 @@ struct Point {
 	Size opCast(T : Size)() inout @nogc {
 		return Size(x, y);
 	}
+
+	/++
+		Calculates the point of linear offset in a rectangle.
+
+		`Offset = 0` is assumed to be equivalent to `Point(0,0)`.
+
+		See_also:
+			[linearOffset] is the inverse function.
+
+		History:
+			Added October 05, 2024.
+	 +/
+	static Point fromLinearOffset(int linearOffset, int width) @nogc {
+		const y = (linearOffset / width);
+		const x = (linearOffset % width);
+		return Point(x, y);
+	}
 }
 
 ///
@@ -1959,6 +1976,9 @@ struct Size {
 	Returns:
 		`y * width + x`
 
+	See_also:
+		[Point.fromLinearOffset] is the inverse function.
+
 	History:
 		Added December 19, 2023 (dub v11.4)
  +/

pixmappresenter.d

@@ -904,7 +904,7 @@ final class PixmapPresenter {
 			_renderer = renderer;
 
 			// create software framebuffer
-			auto framebuffer = Pixmap(config.renderer.resolution);
+			auto framebuffer = Pixmap.makeNew(config.renderer.resolution);
 
 			// OpenGL?
 			auto openGlOptions = OpenGlOptions.no;