screeninfo:also print all supported bitmap overlay colorspaces

src/bin/screeninfo.cpp

@@ -12,6 +12,79 @@
 #include <stdio.h>
 
 
+#define M(x)	{ B_##x, #x }
+
+struct ColorSpace {
+	color_space space;
+	const char* name;
+};
+
+ColorSpace table[] =
+{
+	M(RGB32),
+	M(RGB32),
+	M(RGBA32),
+	M(RGB24),
+	M(RGB16),
+	M(RGB15),
+	M(RGBA15),
+	M(CMAP8),
+	M(GRAY8),
+	M(GRAY1),
+	M(RGB32_BIG),
+	M(RGBA32_BIG),
+	M(RGB24_BIG),
+	M(RGB16_BIG),
+	M(RGB15_BIG),
+	M(RGBA15_BIG),
+	M(YCbCr422),
+	M(YCbCr411),
+	M(YCbCr444),
+	M(YCbCr420),
+	M(YUV422),
+	M(YUV411),
+	M(YUV444),
+	M(YUV420),
+	M(YUV9),
+	M(YUV12),
+	M(UVL24),
+	M(UVL32),
+	M(UVLA32),
+	M(LAB24),
+	M(LAB32),
+	M(LABA32),
+	M(HSI24),
+	M(HSI32),
+	M(HSIA32),
+	M(HSV24),
+	M(HSV32),
+	M(HSVA32),
+	M(HLS24),
+	M(HLS32),
+	M(HLSA32),
+	M(CMY24),
+	M(CMY32),
+	M(CMYA32),
+	M(CMYK32),
+	M(CMYA32),
+	M(CMYK32)
+};
+
+
+void
+print_supported_overlays()
+{
+	for (int32 i = 0; i < sizeof(table) / sizeof(table[0]); i++)
+	{
+		uint32 supportFlags = 0;
+
+		if (bitmaps_support_space(table[i].space, &supportFlags)
+				&& (supportFlags & B_BITMAPS_SUPPORT_OVERLAY))
+			printf("\t%s\n", table[i].name);
+	}
+}
+
+
 int
 main()
 {
@@ -34,6 +107,8 @@ main()
 			printf("  name:    %s\n", info.name);
 			printf("  chipset: %s\n", info.chipset);
 			printf("  serial:  %s\n", info.serial_no);
+			printf("  bitmap overlay colorspaces supported:\n");
+			print_supported_overlays();
 		}
 	} while (screen.SetToNext() == B_OK);