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yinxue
2025-08-25 15:46:12 +08:00
commit f4d95dfff4
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129
modules/badge/badge.go Normal file
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// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package badge
import (
"strings"
"sync"
"unicode"
actions_model "code.gitea.io/gitea/models/actions"
)
// The Badge layout: |offset|label|message|
// We use 10x scale to calculate more precisely
// Then scale down to normal size in tmpl file
type Text struct {
text string
width int
x int
}
func (t Text) Text() string {
return t.text
}
func (t Text) Width() int {
return t.width
}
func (t Text) X() int {
return t.x
}
func (t Text) TextLength() int {
return int(float64(t.width-defaultOffset) * 10)
}
type Badge struct {
IDPrefix string
FontFamily string
Color string
FontSize int
Label Text
Message Text
}
func (b Badge) Width() int {
return b.Label.width + b.Message.width
}
// Style follows https://shields.io/badges
const (
StyleFlat = "flat"
StyleFlatSquare = "flat-square"
)
const (
defaultOffset = 10
defaultFontSize = 11
DefaultColor = "#9f9f9f" // Grey
DefaultFontFamily = "DejaVu Sans,Verdana,Geneva,sans-serif"
DefaultStyle = StyleFlat
)
var GlobalVars = sync.OnceValue(func() (ret struct {
StatusColorMap map[actions_model.Status]string
DejaVuGlyphWidthData map[rune]uint8
AllStyles []string
},
) {
ret.StatusColorMap = map[actions_model.Status]string{
actions_model.StatusSuccess: "#4c1", // Green
actions_model.StatusSkipped: "#dfb317", // Yellow
actions_model.StatusUnknown: "#97ca00", // Light Green
actions_model.StatusFailure: "#e05d44", // Red
actions_model.StatusCancelled: "#fe7d37", // Orange
actions_model.StatusWaiting: "#dfb317", // Yellow
actions_model.StatusRunning: "#dfb317", // Yellow
actions_model.StatusBlocked: "#dfb317", // Yellow
}
ret.DejaVuGlyphWidthData = dejaVuGlyphWidthDataFunc()
ret.AllStyles = []string{StyleFlat, StyleFlatSquare}
return ret
})
// GenerateBadge generates badge with given template
func GenerateBadge(label, message, color string) Badge {
lw := calculateTextWidth(label) + defaultOffset
mw := calculateTextWidth(message) + defaultOffset
lx := lw * 5
mx := lw*10 + mw*5 - 10
return Badge{
FontFamily: DefaultFontFamily,
Label: Text{
text: label,
width: lw,
x: lx,
},
Message: Text{
text: message,
width: mw,
x: mx,
},
FontSize: defaultFontSize * 10,
Color: color,
}
}
func calculateTextWidth(text string) int {
width := 0
widthData := GlobalVars().DejaVuGlyphWidthData
for _, char := range strings.TrimSpace(text) {
charWidth, ok := widthData[char]
if !ok {
// use the width of 'm' in case of missing glyph width data for a printable character
if unicode.IsPrint(char) {
charWidth = widthData['m']
} else {
charWidth = 0
}
}
width += int(charWidth)
}
return width
}

206
modules/badge/badge_glyph_width.go Normal file
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// Copyright 2025 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package badge
// DejaVuGlyphWidthData is generated by `sfnt.Face.GlyphAdvance(nil, <rune>, 11, font.HintingNone)` with DejaVu Sans
// v2.37 (https://github.com/dejavu-fonts/dejavu-fonts/releases/download/version_2_37/dejavu-sans-ttf-2.37.zip).
//
// Fonts defined in "DefaultFontFamily" all have similar widths (including "DejaVu Sans"),
// and these widths are fixed and don't seem to change.
//
// A devtest page "/devtest/badge-actions-svg" could be used to check the rendered images.
func dejaVuGlyphWidthDataFunc() map[rune]uint8 {
return map[rune]uint8{
32: 3,
33: 4,
34: 5,
35: 9,
36: 7,
37: 10,
38: 9,
39: 3,
40: 4,
41: 4,
42: 6,
43: 9,
44: 3,
45: 4,
46: 3,
47: 4,
48: 7,
49: 7,
50: 7,
51: 7,
52: 7,
53: 7,
54: 7,
55: 7,
56: 7,
57: 7,
58: 4,
59: 4,
60: 9,
61: 9,
62: 9,
63: 6,
64: 11,
65: 8,
66: 8,
67: 8,
68: 8,
69: 7,
70: 6,
71: 9,
72: 8,
73: 3,
74: 3,
75: 7,
76: 6,
77: 9,
78: 8,
79: 9,
80: 7,
81: 9,
82: 8,
83: 7,
84: 7,
85: 8,
86: 8,
87: 11,
88: 8,
89: 7,
90: 8,
91: 4,
92: 4,
93: 4,
94: 9,
95: 6,
96: 6,
97: 7,
98: 7,
99: 6,
100: 7,
101: 7,
102: 4,
103: 7,
104: 7,
105: 3,
106: 3,
107: 6,
108: 3,
109: 11,
110: 7,
111: 7,
112: 7,
113: 7,
114: 5,
115: 6,
116: 4,
117: 7,
118: 7,
119: 9,
120: 7,
121: 7,
122: 6,
123: 7,
124: 4,
125: 7,
126: 9,
161: 4,
162: 7,
163: 7,
164: 7,
165: 7,
166: 4,
167: 6,
168: 6,
169: 11,
170: 5,
171: 7,
172: 9,
174: 11,
175: 6,
176: 6,
177: 9,
178: 4,
179: 4,
180: 6,
181: 7,
182: 7,
183: 3,
184: 6,
185: 4,
186: 5,
187: 7,
188: 11,
189: 11,
190: 11,
191: 6,
192: 8,
193: 8,
194: 8,
195: 8,
196: 8,
197: 8,
198: 11,
199: 8,
200: 7,
201: 7,
202: 7,
203: 7,
204: 3,
205: 3,
206: 3,
207: 3,
208: 9,
209: 8,
210: 9,
211: 9,
212: 9,
213: 9,
214: 9,
215: 9,
216: 9,
217: 8,
218: 8,
219: 8,
220: 8,
221: 7,
222: 7,
223: 7,
224: 7,
225: 7,
226: 7,
227: 7,
228: 7,
229: 7,
230: 11,
231: 6,
232: 7,
233: 7,
234: 7,
235: 7,
236: 3,
237: 3,
238: 3,
239: 3,
240: 7,
241: 7,
242: 7,
243: 7,
244: 7,
245: 7,
246: 7,
247: 9,
248: 7,
249: 7,
250: 7,
251: 7,
252: 7,
253: 7,
254: 7,
255: 7,
}
}