1 /* 2 * Copyright 2006, Haiku, Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _LAYOUT_UTILS_H 6 #define _LAYOUT_UTILS_H 7 8 #include <Alignment.h> 9 #include <Rect.h> 10 #include <Size.h> 11 12 class BView; 13 14 class BLayoutUtils { 15 public: 16 // static float AddSizesFloat(float a, float b); 17 // static float AddSizesFloat(float a, float b, float c); 18 static float AddDistances(float a, float b); 19 static float AddDistances(float a, float b, float c); 20 static int32 AddSizesInt32(int32 a, int32 b); 21 static int32 AddSizesInt32(int32 a, int32 b, int32 c); 22 // static float SubtractSizesFloat(float a, float b); 23 static int32 SubtractSizesInt32(int32 a, int32 b); 24 static float SubtractDistances(float a, float b); 25 26 static void FixSizeConstraints(float& min, float& max, 27 float& preferred); 28 static void FixSizeConstraints(BSize& min, BSize& max, 29 BSize& preferred); 30 31 static BSize ComposeSize(BSize size, BSize layoutSize); 32 static BAlignment ComposeAlignment(BAlignment alignment, 33 BAlignment layoutAlignment); 34 35 static BRect AlignInFrame(BRect frame, BSize maxSize, 36 BAlignment alignment); 37 static void AlignInFrame(BView* view, BRect frame); 38 static BRect MoveIntoFrame(BRect rect, BSize frameSize); 39 }; 40 41 #endif // _LAYOUT_UTILS_H 42