x.go (1593B)
1 package bar // import "hhvn.uk/hbspbar/bar" 2 3 import ( 4 "os" 5 "image" 6 7 "hhvn.uk/hbspbar/common" 8 9 "github.com/jezek/xgbutil/xgraphics" 10 "github.com/BurntSushi/freetype-go/freetype/truetype" 11 ) 12 13 func getFont(path string) (*truetype.Font, error) { 14 read, err := os.Open(path) 15 if err != nil { 16 return nil, common.Perror("os.Open", err) 17 } 18 19 font, err := xgraphics.ParseFont(read) 20 if err != nil { 21 return nil, common.Perror("xgraphics.ParseFont", err) 22 } 23 24 return font, nil 25 } 26 27 func int2BGRA(argb uint32) (xgraphics.BGRA) { 28 return xgraphics.BGRA{ 29 B: uint8( argb & 0x000000ff), 30 G: uint8((argb & 0x0000ff00) >> 8), 31 R: uint8((argb & 0x00ff0000) >> 16), 32 A: uint8((argb & 0xff000000) >> 24) } 33 } 34 35 func (b *bar) rect() image.Rectangle { 36 return image.Rect( 0, 0, 37 int(b.Mon.Rectangle.Width), int(conf.H)) 38 } 39 40 func (b *bar) drawReInit() { 41 if b.i != nil { 42 b.i.Destroy() 43 } 44 45 b.i = xgraphics.New(b.Xu, b.rect()) 46 } 47 48 func (b *bar) drawText(x int, col uint32, text string) (int, error) { 49 nx, _, err := b.i.Text(x, conf.FontYPad, 50 int2BGRA(col), conf.FontSize, font, text) 51 return nx - x, err 52 } 53 54 func (b *bar) textWidth(str string) int { 55 return len(str) * b.tw 56 } 57 58 func pointInRect(px, py, x, y, w, h int) bool { 59 if px >= x && px <= x + w && py >= x && py <= y + h { 60 return true 61 } else { 62 return false 63 } 64 } 65 66 func (b *bar) drawRect(x, y, w, h int, c uint32, fill bool) { 67 col := int2BGRA(c) 68 69 var ix, iy int 70 71 for ix = x; ix < x + w; ix++ { 72 for iy = y; iy < y + h; iy++ { 73 if fill || ix == x || ix == x + w - 1 || 74 iy == y || iy == y + h - 1 { 75 b.i.Set(ix, iy, col) 76 } 77 } 78 } 79 }