rewrite format API

Author: informationsea

libxlsxwriter/examples/hello_spreadsheet.rs

@@ -1,31 +1,42 @@
-use xlsxwriter::{FormatAlignment, FormatColor, FormatUnderline, Workbook};
+use xlsxwriter::{
+    Format, FormatAlignment, FormatColor, FormatUnderline, FormatVerticalAlignment, Workbook,
+};
 
 fn main() -> Result<(), xlsxwriter::XlsxError> {
     let workbook = Workbook::new("target/simple1.xlsx")?;
-    let format1 = workbook.add_format().set_font_color(FormatColor::Red);
-
-    let format2 = workbook
-        .add_format()
-        .set_font_color(FormatColor::Blue)
-        .set_underline(FormatUnderline::Single);
-
-    let format3 = workbook
-        .add_format()
-        .set_font_color(FormatColor::Green)
-        .set_align(FormatAlignment::CenterAcross)
-        .set_align(FormatAlignment::VerticalCenter);
 
     let mut sheet1 = workbook.add_worksheet(None)?;
-    sheet1.write_string(0, 0, "Red text", Some(&format1))?;
+    sheet1.write_string(
+        0,
+        0,
+        "Red text",
+        Some(&Format::new().set_font_color(FormatColor::Red)),
+    )?;
     sheet1.write_number(0, 1, 20., None)?;
     sheet1.write_formula_num(1, 0, "=10+B1", None, 30.)?;
     sheet1.write_url(
         1,
         1,
         "https://github.com/informationsea/xlsxwriter-rs",
-        Some(&format2),
+        Some(
+            &Format::new()
+                .set_font_color(FormatColor::Blue)
+                .set_underline(FormatUnderline::Single),
+        ),
+    )?;
+    sheet1.merge_range(
+        2,
+        0,
+        3,
+        2,
+        "Hello, world",
+        Some(
+            &Format::new()
+                .set_font_color(FormatColor::Green)
+                .set_align(FormatAlignment::CenterAcross)
+                .set_vertical_align(FormatVerticalAlignment::VerticalCenter),
+        ),
     )?;
-    sheet1.merge_range(2, 0, 3, 2, "Hello, world", Some(&format3))?;
 
     sheet1.set_selection(1, 0, 1, 2);
     sheet1.set_tab_color(FormatColor::Cyan);