feature: refactor guides

Author: johnfercher

cmd/timeseries/main.go

@@ -21,7 +21,7 @@ func main() {
 	prop := props.Chart{
 		XLabels: []float64{0, 10, 20, 30},
 		YLabels: []float64{0, 1, 2},
-		Font: &props.Font{
+		Font: props.Font{
 			Family: fontfamily.Arial,
 			Style:  fontstyle.Normal,
 			Size:   7,

docs/assets/pdf/timeseries.pdf

@@ -24,9 +24,7 @@ func NewChart(pdf gofpdfwrapper.Fpdf, font core.Font) *chart {
 }
 
 func (s chart) Add(margins *entity.Margins, cell *entity.Cell, width float64, height float64, props *props.Chart) {
-	if props.Font != nil {
-		s.font.SetFont(props.Font.Family, props.Font.Style, props.Font.Size)
-	}
+	s.font.SetFont(props.Font.Family, props.Font.Style, props.Font.Size)
 
 	stepX, stepY := s.GetSteps(width, height, cell)
 	s.horizontalLine(margins, cell, width, stepX, props)

internal/providers/gofpdf/chart/chart.go

@@ -58,7 +58,7 @@ func (s heatMap) Add(heatMap [][]int, cell *entity.Cell, margins *entity.Margins
 		}
 	}
 
-	s.chart.Add(margins, cell, width, height, prop.Chart)
+	s.chart.Add(margins, cell, width, height, &prop.Chart)
 }
 
 func GetHeatColor(i int, total int) (int, int, int) {

internal/providers/gofpdf/chart/heatmap.go

@@ -20,6 +20,7 @@ func NewTimeSeries(timeSeriesList []entity.TimeSeries, ps ...props.Chart) core.C
 	if len(ps) > 0 {
 		prop = ps[0]
 	}
+	prop.MakeValid()
 
 	return &TimeSeries{
 		timeSeriesList: timeSeriesList,

pkg/components/chart/timeseries.go

@@ -1,7 +1,26 @@
 package props
 
+import (
+	"github.com/johnfercher/maroto/v2/pkg/consts/fontfamily"
+	"github.com/johnfercher/maroto/v2/pkg/consts/fontstyle"
+)
+
 type Chart struct {
 	XLabels []float64
 	YLabels []float64
-	Font    *Font
+	Font    Font
+}
+
+func (c *Chart) MakeValid() {
+	if c.Font.Family == "" {
+		c.Font.Family = fontfamily.Arial
+	}
+
+	if c.Font.Style == "" {
+		c.Font.Style = fontstyle.Normal
+	}
+
+	if c.Font.Size == 0.0 {
+		c.Font.Size = 8.0
+	}
 }

pkg/props/chart.go

@@ -4,11 +4,11 @@ type HeatMap struct {
 	TransparentValues []int
 	HalfColor         bool
 	InvertScale       bool
-	Chart             *Chart
+	Chart             Chart
 }
 
 func (h *HeatMap) MakeValid() {
-
+	h.Chart.MakeValid()
 }
 
 func (h *HeatMap) ToMap() map[string]any {