func (b BoxGoalGenerator) CreateSignature(req util.ParsedSignatureRequest) (util.Signature, error) {
username := req.GetProperty("username").(string)
skill := req.GetProperty("skill").(util.Skill)
goal := req.GetProperty("goal").(int)
goaltype := req.GetProperty("goaltype").(util.GoalType)
stats, err := util.GetStats(username)
if err != nil {
var s util.Signature
return s, errors.New(fmt.Sprintf("Failed to fetch stats for %s", username))
}
stat := util.GetStatBySkill(stats, skill)
currentLevel := util.LevelFromXP(stat.Skill, stat.Xp)
currentXP := stat.Xp
var goalXP int
var remainder int
if goaltype == util.GoalXP {
goalXP = goal
remainder = goalXP - currentXP
} else {
goalXP = util.XPForLevel(stat.Skill, goal)
remainder = util.XPToLevel(stat.Skill, currentXP, goal)
}
goalLevel := util.LevelFromXP(stat.Skill, goalXP)
if remainder < 0 {
remainder = 0
}
percent := int(float64(currentXP) / float64(goalXP) * 100.0)
if percent > 100 {
percent = 100
}
c := freetype.NewContext()
createDrawer := func(img draw.Image, color *image.Uniform, f *truetype.Font,
size float64, dpi float64, hinting font.Hinting) *font.Drawer {
return &font.Drawer{
Dst: img,
Src: color,
Face: truetype.NewFace(f, &truetype.Options{
Size: size,
DPI: dpi,
Hinting: hinting,
})}
}
baseImage := cloneImage(baseImage)
drawer := createDrawer(baseImage, fontColor, baseFont, size, dpi,
font.HintingFull)
drawString := func(str string, x fixed.Int26_6, y int) {
drawer.Dot = fixed.Point26_6{
X: x,
//Y: fixed.I(y + int((c.PointToFixed(size) >> 6))),
Y: fixed.I(y + int(c.PointToFixed(size)>>6)),
}
drawer.DrawString(str)
}
drawRightAlignedString := func(str string, x, y int) {
width := drawer.MeasureString(str)
drawString(str, fixed.I(x)-width, y)
}
// Skill name and current level
drawString(
fmt.Sprintf("%s: %d/%d", skill.Name, currentLevel, goalLevel),
fixed.I(7), 1)
for _, label := range staticLabels {
if label.str == "Target lvl:" && goaltype == util.GoalXP {
label.str = "Target XP:"
}
drawString(label.str, fixed.I(label.x), label.y)
}
x, y := 150, 15
// current xp
drawRightAlignedString(util.Format(currentXP), x, y)
y += 15
// goal
drawRightAlignedString(util.Format(goal), x, y)
y += 15
// remainder
drawRightAlignedString(util.Format(remainder), x, y)
y += 15
// bar
drawBar(baseImage, percent)
// bar percentage
x = 71
y = 61
color := image.White
if percent >= 50 {
color = image.Black
}
drawer = createDrawer(baseImage, color, baseFont, 11, dpi,
font.HintingFull)
drawString(fmt.Sprintf("%d%%", percent), fixed.I(x), y)
return util.Signature{username, baseImage}, nil
}
func (m MultiGoalGenerator) CreateSignature(req util.ParsedSignatureRequest) (util.Signature, error) {
username := req.GetProperty("username").(string)
goals := req.GetProperty("goals").([]MultiGoal)
stats, err := util.GetStats(username)
if err != nil {
var s util.Signature
return s, errors.New(fmt.Sprintf("Failed to fetch stats for %s", username))
}
c := freetype.NewContext()
createDrawer := func(img draw.Image, color *image.Uniform, f *truetype.Font,
size float64, dpi float64, hinting font.Hinting) *font.Drawer {
return &font.Drawer{
Dst: img,
Src: color,
Face: truetype.NewFace(f, &truetype.Options{
Size: size,
DPI: dpi,
Hinting: hinting,
})}
}
baseImage := loadbaseImage(len(goals))
drawer := createDrawer(baseImage, fontColor, baseFont, size, dpi,
font.HintingFull)
drawString := func(str string, x fixed.Int26_6, y int) {
drawer.Dot = fixed.Point26_6{
X: x,
Y: fixed.I(y + int(c.PointToFixed(size)>>6)),
}
drawer.DrawString(str)
}
drawRightAlignedString := func(str string, x, y int) {
width := drawer.MeasureString(str)
drawString(str, fixed.I(x)-width, y)
}
nameX, goalX := paddingSides, baseWidth-paddingSides
y := paddingSides
for _, goal := range goals {
stat := util.GetStatBySkill(stats, goal.skill)
currentLevel := util.LevelFromXP(stat.Skill, stat.Xp)
currentXP := stat.Xp
var goalXP int
var remainder int
if goal.goaltype == util.GoalXP {
goalXP = goal.goal
remainder = goalXP - currentXP
} else {
goalXP = util.XPForLevel(stat.Skill, goal.goal)
remainder = util.XPToLevel(stat.Skill, currentXP, goal.goal)
}
goalLevel := util.LevelFromXP(stat.Skill, goalXP)
if remainder < 0 {
remainder = 0
}
percent := int(float64(currentXP) / float64(goalXP) * 100.0)
if percent > 100 {
percent = 100
}
// Skill name and current level
drawString(
fmt.Sprintf("%s: %d/%d", goal.skill.Name, currentLevel, goalLevel),
fixed.I(nameX), y)
// Current and goal xp
drawRightAlignedString(util.Format(currentXP)+"/"+util.Format(goalXP), goalX, y)
// Bar
drawBar(baseImage, percent, nameX, y+20, baseWidth-5, 1)
y += baseHeight
}
// Watermark
y -= 5
drawer = createDrawer(baseImage, fontColor, baseFont, 11, dpi,
font.HintingFull)
drawRightAlignedString("sig.scapelog.com", goalX, y)
return util.Signature{username, baseImage}, nil
}