erm/vendor/github.com/lxn/walk/size.go

74 lines
1.2 KiB
Go

// Copyright 2010 The Walk Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build windows
package walk
import "github.com/lxn/win"
// Size defines width and height in 1/96" units or native pixels, or dialog base units.
//
// When Size is used for DPI metrics, it defines a 1"x1" rectangle in native pixels.
type Size struct {
Width, Height int
}
func (s Size) toSIZE() win.SIZE {
return win.SIZE{
CX: int32(s.Width),
CY: int32(s.Height),
}
}
func minSize(a, b Size) Size {
var s Size
if a.Width < b.Width {
s.Width = a.Width
} else {
s.Width = b.Width
}
if a.Height < b.Height {
s.Height = a.Height
} else {
s.Height = b.Height
}
return s
}
func maxSize(a, b Size) Size {
var s Size
if a.Width > b.Width {
s.Width = a.Width
} else {
s.Width = b.Width
}
if a.Height > b.Height {
s.Height = a.Height
} else {
s.Height = b.Height
}
return s
}
func sizeFromSIZE(s win.SIZE) Size {
return Size{
Width: int(s.CX),
Height: int(s.CY),
}
}
func sizeFromRECT(r win.RECT) Size {
return Size{
Width: int(r.Right - r.Left),
Height: int(r.Bottom - r.Top),
}
}