diff --git a/badge.go b/badge.go index 34f92e6..4f5c0cf 100644 --- a/badge.go +++ b/badge.go @@ -9,6 +9,7 @@ package badge // ////////////////////////////////////////////////////////////////////////////////// // import ( + "fmt" "io/ioutil" "math" "strconv" @@ -22,7 +23,7 @@ import ( // ////////////////////////////////////////////////////////////////////////////////// // // VERSION is current package version -const VERSION = "1.2.1" +const VERSION = "1.3.0" const ( COLOR_BLUE = "#007ec6" @@ -154,7 +155,7 @@ func (g *Generator) GenerateFlatSquareSimple(message, color string) []byte { // generateBadge generates badge with given template func (g *Generator) generateBadge(template, label, message, color string) []byte { - color = formatColor(color) + c := parseColor(color) gF := float64(g.Offset) lW := float64(g.drawer.MeasureString(label)>>6) + gF @@ -166,11 +167,11 @@ func (g *Generator) generateBadge(template, label, message, color string) []byte mL := (mW - gF) * (10.0 + g.Spacing - 0.5) fS := g.fontSize * 10 - mC, mS := getMessageColors(color) + mC, mS := getMessageColors(c) badge := strings.ReplaceAll(template, "{LABEL}", label) badge = strings.ReplaceAll(badge, "{MESSAGE}", message) - badge = strings.ReplaceAll(badge, "{COLOR}", "#"+color) + badge = strings.ReplaceAll(badge, "{COLOR}", formatColor(c)) badge = strings.ReplaceAll(badge, "{WIDTH}", formatFloat(fW)) badge = strings.ReplaceAll(badge, "{LABEL_WIDTH}", formatFloat(lW)) badge = strings.ReplaceAll(badge, "{MESSAGE_WIDTH}", formatFloat(mW)) @@ -188,7 +189,7 @@ func (g *Generator) generateBadge(template, label, message, color string) []byte // generateBadgeSimple generates badge with given template func (g *Generator) generateBadgeSimple(template, message, color string) []byte { - color = formatColor(color) + c := parseColor(color) gF := float64(g.Offset) fW := float64(g.drawer.MeasureString(message)>>6) + gF @@ -196,13 +197,13 @@ func (g *Generator) generateBadgeSimple(template, message, color string) []byte mL := (fW - gF) * (10.0 + g.Spacing) fS := g.fontSize * 10 - mC, mS := getMessageColors(color) + mC, mS := getMessageColors(c) badge := strings.ReplaceAll(template, "{MESSAGE}", message) - badge = strings.ReplaceAll(badge, "{COLOR}", "#"+color) - badge = strings.ReplaceAll(badge, "{WIDTH}", strconv.Itoa(int(fW))) - badge = strings.ReplaceAll(badge, "{MESSAGE_X}", strconv.Itoa(int(mX))) - badge = strings.ReplaceAll(badge, "{MESSAGE_LENGTH}", strconv.Itoa(int(mL))) + badge = strings.ReplaceAll(badge, "{COLOR}", formatColor(c)) + badge = strings.ReplaceAll(badge, "{WIDTH}", formatFloat(fW)) + badge = strings.ReplaceAll(badge, "{MESSAGE_X}", formatFloat(mX)) + badge = strings.ReplaceAll(badge, "{MESSAGE_LENGTH}", formatFloat(mL)) badge = strings.ReplaceAll(badge, "{MESSAGE_COLOR}", mC) badge = strings.ReplaceAll(badge, "{MESSAGE_SHADOW}", mS) badge = strings.ReplaceAll(badge, "{FONT}", g.fontName) @@ -213,20 +214,33 @@ func (g *Generator) generateBadgeSimple(template, message, color string) []byte // ////////////////////////////////////////////////////////////////////////////////// // -// formatColor formats color -func formatColor(c string) string { +// parseColor parses hex color +func parseColor(c string) int64 { if strings.HasPrefix(c, "#") { c = strings.TrimLeft(c, "#") } - // Short hex + // Shorthand hex color if len(c) == 3 { c = strings.Repeat(string(c[0]), 2) + strings.Repeat(string(c[1]), 2) + strings.Repeat(string(c[2]), 2) } - return c + i, _ := strconv.ParseInt(c, 16, 32) + + return i +} + +// formatColor formats color +func formatColor(c int64) string { + k := fmt.Sprintf("%06x", c) + + if k[0] == k[1] && k[2] == k[3] && k[4] == k[5] { + k = k[0:1] + k[2:3] + k[4:5] + } + + return "#" + k } // formatFloat formats float values @@ -235,9 +249,7 @@ func formatFloat(v float64) string { } // getMessageColors returns message text and shadow colors based on color of badge -func getMessageColors(badgeColor string) (string, string) { - c := parseColor(badgeColor) - +func getMessageColors(c int64) (string, string) { if c == 0 || calcLuminance(c) < 0.65 { return "#fff", "#010101" } @@ -245,12 +257,6 @@ func getMessageColors(badgeColor string) (string, string) { return "#333", "#ccc" } -// parseColor parses hex color -func parseColor(c string) int64 { - i, _ := strconv.ParseInt(c, 16, 32) - return i -} - // calcLuminance calculates relative luminance func calcLuminance(color int64) float64 { r := calcLumColor(float64(color>>16&0xFF) / 255) diff --git a/badge_test.go b/badge_test.go index b2f74f5..bffe0c8 100644 --- a/badge_test.go +++ b/badge_test.go @@ -146,9 +146,12 @@ func (s *BadgeSuite) TestBlackAndWhite(c *C) { } func (s *BadgeSuite) TestAux(c *C) { - c.Assert(formatColor("000000"), Equals, "000000") - c.Assert(formatColor("#000000"), Equals, "000000") - c.Assert(formatColor("#4c1"), Equals, "44cc11") + c.Assert(parseColor("000000"), Equals, int64(0x000000)) + c.Assert(parseColor("#000000"), Equals, int64(0x000000)) + c.Assert(parseColor("#4c1"), Equals, int64(0x44cc11)) + + c.Assert(formatColor(0x000000), Equals, "#000") + c.Assert(formatColor(0xFCA1B4), Equals, "#fca1b4") c.Assert(calcLumColor(0.7), Equals, 0.4479884124418833) c.Assert(calcLumColor(0.01), Equals, 0.0007739938080495357) diff --git a/testdata/black.svg b/testdata/black.svg index 9289b6e..05e8659 100644 --- a/testdata/black.svg +++ b/testdata/black.svg @@ -1 +1 @@ -messagemessage \ No newline at end of file +messagemessage \ No newline at end of file diff --git a/testdata/white.svg b/testdata/white.svg index 7c7c717..039ce3b 100644 --- a/testdata/white.svg +++ b/testdata/white.svg @@ -1 +1 @@ -messagemessage \ No newline at end of file +messagemessage \ No newline at end of file