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option.go
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option.go
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package tableimage
import (
"github.com/golang/freetype/truetype"
"github.com/llgcode/draw2d"
)
// Option tableimage option interface
type Option interface {
apply(*TableImage)
}
type optionFunc func(*TableImage)
func (fn optionFunc) apply(ti *TableImage) {
fn(ti)
}
// WithFontSize set font size
func WithFontSize(size float64) Option {
return optionFunc(func(ti *TableImage) {
if ti.style == nil {
ti.style = &Style{}
}
if ti.style.Font == nil {
ti.style.Font = &Font{}
}
ti.style.Font.Size = size
})
}
// WithLineHeight set line height
func WithLineHeight(height float64) Option {
return optionFunc(func(ti *TableImage) {
if ti.style == nil {
ti.style = &Style{}
}
ti.style.LineHeight = height
})
}
// WithPadding set padding
func WithPadding(padding *Padding) Option {
return optionFunc(func(ti *TableImage) {
if ti.style == nil {
ti.style = &Style{}
}
ti.style.Padding = padding
})
}
// WithMargin set margin
func WithMargin(margin *Padding) Option {
return optionFunc(func(ti *TableImage) {
if ti.style == nil {
ti.style = &Style{}
}
ti.style.Margin = margin
})
}
// WithColor set text color
func WithColor(color string) Option {
return optionFunc(func(ti *TableImage) {
if ti.style == nil {
ti.style = &Style{}
}
ti.style.Color = color
})
}
// WithBorderColor set border color
func WithBorderColor(color string) Option {
return optionFunc(func(ti *TableImage) {
if ti.style == nil {
ti.style = &Style{}
}
if ti.style.Border == nil {
ti.style.Border = DefaultBorder()
}
ti.style.Border.ChangeColor(color)
})
}
// WithBorderWidth set border width
func WithBorderWidth(width int) Option {
return optionFunc(func(ti *TableImage) {
if ti.style == nil {
ti.style = &Style{}
}
if ti.style.Border == nil {
ti.style.Border = DefaultBorder()
}
ti.style.Border.ChangeWidth(width)
})
}
// WithBorder set border setting
func WithBorder(border *Border) Option {
return optionFunc(func(ti *TableImage) {
if ti.style == nil {
ti.style = &Style{}
}
ti.style.Border = border
})
}
// WithBgColor set background color
func WithBgColor(bgColor string) Option {
return optionFunc(func(ti *TableImage) {
if ti.style == nil {
ti.style = &Style{}
}
ti.style.BgColor = bgColor
})
}
// WithAlign set alignment
func WithAlign(align Align) Option {
return optionFunc(func(ti *TableImage) {
if ti.style == nil {
ti.style = &Style{}
}
ti.style.Align = align
})
}
// WithVAlign set vertical alignment
func WithVAlign(align VAlign) Option {
return optionFunc(func(ti *TableImage) {
if ti.style == nil {
ti.style = &Style{}
}
ti.style.VAlign = align
})
}
// WithFontFolder set font folder
func WithFontFolder(fontFolder string) Option {
return optionFunc(func(ti *TableImage) {
ti.fontFolder = fontFolder
})
}
// WithFontData set font data
func WithFontData(font *draw2d.FontData) Option {
return optionFunc(func(ti *TableImage) {
if ti.style == nil {
ti.style = &Style{}
}
if ti.style.Font == nil {
ti.style.Font = &Font{}
}
ti.style.Font.Data = font
})
}
// WithFont set font setting
func WithFont(font *truetype.Font) Option {
return optionFunc(func(ti *TableImage) {
if ti.style == nil {
ti.style = &Style{}
}
if ti.style.Font == nil {
ti.style.Font = &Font{}
}
ti.style.Font.Font = font
})
}
// WidthDPI set font dpi
func WithDPI(dpi int) Option {
return optionFunc(func(ti *TableImage) {
if ti.style == nil {
ti.style = &Style{}
}
if ti.style.Font == nil {
ti.style.Font = &Font{}
}
ti.style.Font.DPI = dpi
})
}
// WithFontCache set font cache
func WithFontCache(cache draw2d.FontCache) Option {
return optionFunc(func(ti *TableImage) {
ti.fontCache = cache
})
}
// WithStyle set style setting
func WithStyle(style *Style) Option {
return optionFunc(func(ti *TableImage) {
ti.style = style
})
}