bootloader & kernel: Unify computation of splash logo and icons placement.

Removes some more code duplication. Change-Id: I9423be740015bef996b77bf2c30652fdadbd8a50
2024-11-12 23:51:52 -05:00
parent 029e447bde
commit de8d5cfb5f
3 changed files with 63 additions and 38 deletions
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2024, Haiku, Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef GENERIC_VIDEO_SPLASH_H
+#define GENERIC_VIDEO_SPLASH_H
+
+
+#include <SupportDefs.h>
+
+
+void
+compute_splash_logo_placement(uint32 screenWidth, uint32 screenHeight,
+	int& width, int& height, int& x, int& y)
+{
+	uint16 iconsHalfHeight = kSplashIconsHeight / 2;
+
+	width = min_c(kSplashLogoWidth, screenWidth);
+	height = min_c(uint32(kSplashLogoHeight) + iconsHalfHeight,
+		screenHeight);
+	int placementX = max_c(0, min_c(100, kSplashLogoPlacementX));
+	int placementY = max_c(0, min_c(100, kSplashLogoPlacementY));
+
+	x = (screenWidth - width) * placementX / 100;
+	y = (screenHeight - height) * placementY / 100;
+
+	height = min_c(kSplashLogoHeight, screenHeight);
+}
+
+
+void
+compute_splash_icons_placement(uint32 screenWidth, uint32 screenHeight,
+	int& width, int& height, int& x, int& y)
+{
+	uint16 iconsHalfHeight = kSplashIconsHeight / 2;
+
+	width = min_c(kSplashIconsWidth, screenWidth);
+	height = min_c(uint32(kSplashLogoHeight) + iconsHalfHeight,
+		screenHeight);
+	int placementX = max_c(0, min_c(100, kSplashIconsPlacementX));
+	int placementY = max_c(0, min_c(100, kSplashIconsPlacementY));
+
+	x = (screenWidth - width) * placementX / 100;
+	y = kSplashLogoHeight + (screenHeight - height)
+		* placementY / 100;
+
+	height = min_c(iconsHalfHeight, screenHeight);
+}
+
+
+#endif	/* GENERIC_VIDEO_SPLASH_H */