index 744ddff1bd71de3c59974e8e70b34aac3e263c92..b53311e043688f0d54a3caa1d1a22553da232e22 100644 (file)
function isOpaque (): Boolean; inline;
function isTransparent (): Boolean; inline;
+ function toString (): AnsiString;
+
// WARNING! This function does blending in RGB space, and RGB space is not linear!
// alpha value of `self` doesn't matter
// `aa` means: 255 for replace color, 0 for keep `self`
function empty (): Boolean; inline; // invalid rects are empty too
function valid (): Boolean; inline;
+ function toString (): AnsiString;
+
// modifies this rect, so it won't be bigger than `r`
// returns `false` if this rect becomes empty
function intersect (constref r: TGxRect): Boolean; inline;
result.a := a;
end;
+function TGxRGBA.toString (): AnsiString;
+begin
+ if (a = 255) then result := formatstrf('rgb(%s,%s,%s)', [r, g, b])
+ else result := formatstrf('rgba(%s,%s,%s,%s)', [r, g, b, a]);
+end;
+
// ////////////////////////////////////////////////////////////////////////// //
constructor TGxRect.Create (ax, ay, aw, ah: Integer); begin x := ax; y := ay; w := aw; h := ah; end;
result := intersectRect(x, y, w, h, r.x, r.y, r.w, r.h);
end;
+function TGxRect.toString (): AnsiString; begin result := formatstrf('(%s,%s;%sx%s)', [x, y, w, h]); end;
+
// ////////////////////////////////////////////////////////////////////////// //
constructor TGxOfs.Create (axofs, ayofs: Integer); begin xofs := axofs; yofs := ayofs; end;