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This commit is contained in:
Duhan BALCI
2026-04-07 01:45:38 +03:00
parent b6aecc5f12
commit 603624724c
28 changed files with 1674 additions and 784 deletions
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57
layout-engine/src/chart_render.rs
View File

@@ -1,6 +1,6 @@
use crate::chart_layout::{
self, color_at, compute_bar_layout, compute_chart_layout, compute_legend,
compute_line_layout, compute_pie_layout, format_value, ChartLayout,
self, ChartLayout, color_at, compute_bar_layout, compute_chart_layout, compute_legend,
compute_line_layout, compute_pie_layout, format_value,
};
use crate::data_resolve::ResolvedChartData;
use std::fmt::Write;
@@ -9,11 +9,7 @@ use std::fmt::Write;
pub fn render_svg(data: &ResolvedChartData, width_mm: f64, height_mm: f64) -> String {
let mut svg = String::with_capacity(4096);
let bg = data
.style
.background_color
.as_deref()
.unwrap_or("#FFFFFF");
let bg = data.style.background_color.as_deref().unwrap_or("#FFFFFF");
write!(
svg,
@@ -58,28 +54,26 @@ pub fn render_svg(data: &ResolvedChartData, width_mm: f64, height_mm: f64) -> St
// Axis labels
let has_axis = !matches!(data.chart_type, dreport_core::models::ChartType::Pie);
if has_axis {
if let Some(ref axis) = data.axis {
if let Some(ref x_label) = axis.x_label {
let x = cl.plot_x + cl.plot_w / 2.0;
let y = height_mm - 2.0;
write!(
if has_axis && let Some(ref axis) = data.axis {
if let Some(ref x_label) = axis.x_label {
let x = cl.plot_x + cl.plot_w / 2.0;
let y = height_mm - 2.0;
write!(
svg,
r##"<text x="{:.2}" y="{:.2}" font-size="2.8" fill="#666" text-anchor="middle">{}</text>"##,
x, y, escape_xml(x_label)
)
.unwrap();
}
if let Some(ref y_label) = axis.y_label {
let x = 3.0;
let y = cl.plot_y + cl.plot_h / 2.0;
write!(
}
if let Some(ref y_label) = axis.y_label {
let x = 3.0;
let y = cl.plot_y + cl.plot_h / 2.0;
write!(
svg,
r##"<text x="{:.2}" y="{:.2}" font-size="2.8" fill="#666" text-anchor="middle" transform="rotate(-90,{:.2},{:.2})">{}</text>"##,
x, y, x, y, escape_xml(y_label)
)
.unwrap();
}
}
}
@@ -212,7 +206,11 @@ fn render_pie(svg: &mut String, data: &ResolvedChartData, cl: &ChartLayout) {
for slice in &pl.slices {
let color = color_at(&cl.palette, slice.color_idx);
let large_arc = if slice.sweep > std::f64::consts::PI { 1 } else { 0 };
let large_arc = if slice.sweep > std::f64::consts::PI {
1
} else {
0
};
let x1 = cx + radius * slice.start_angle.cos();
let y1 = cy + radius * slice.start_angle.sin();
@@ -262,7 +260,11 @@ fn render_pie(svg: &mut String, data: &ResolvedChartData, cl: &ChartLayout) {
)
.unwrap();
let anchor = if slice.cat_label_anchor_end { "end" } else { "start" };
let anchor = if slice.cat_label_anchor_end {
"end"
} else {
"start"
};
write!(
svg,
r##"<text x="{:.2}" y="{:.2}" font-size="2.5" fill="#555" text-anchor="{}" dominant-baseline="central">{}</text>"##,
@@ -273,7 +275,13 @@ fn render_pie(svg: &mut String, data: &ResolvedChartData, cl: &ChartLayout) {
}
}
fn render_legend(svg: &mut String, data: &ResolvedChartData, cl: &ChartLayout, total_w: f64, total_h: f64) {
fn render_legend(
svg: &mut String,
data: &ResolvedChartData,
cl: &ChartLayout,
total_w: f64,
total_h: f64,
) {
let legend = compute_legend(data, cl, 0.0, 0.0, total_w, total_h);
for item in &legend.items {
@@ -287,7 +295,10 @@ fn render_legend(svg: &mut String, data: &ResolvedChartData, cl: &ChartLayout, t
write!(
svg,
r##"<text x="{:.2}" y="{:.2}" font-size="{:.1}" fill="#666">{}</text>"##,
item.text_x, item.text_y, legend.font_size, escape_xml(&item.name)
item.text_x,
item.text_y,
legend.font_size,
escape_xml(&item.name)
)
.unwrap();
}