From c00d2ef560fa8e4b8e17aeecc58bb237d05bfbf6 Mon Sep 17 00:00:00 2001
From: zhangwen <1062680993@qq.com>
Date: Thu, 27 Aug 2020 00:58:54 +0800
Subject: [PATCH] fix: fix print style

---
 .../src/components/links/links.component.ts   | 56 +++++++++++++++++++
 packages/gantt/src/gantt-print.service.ts     |  2 +
 packages/gantt/src/gantt.component.scss       |  1 +
 3 files changed, 59 insertions(+)

diff --git a/packages/gantt/src/components/links/links.component.ts b/packages/gantt/src/components/links/links.component.ts
index 1e546994..a4be0b84 100644
--- a/packages/gantt/src/components/links/links.component.ts
+++ b/packages/gantt/src/components/links/links.component.ts
@@ -162,6 +162,35 @@ export class GanttLinksComponent implements OnInit, OnChanges, OnDestroy {
             const x2 = x1 - dx;
             const x3 = x4 + dx;
 
+            // const centerX = (x1 + x4) / 2;
+            // const centerY = (y1 + y4) / 2;
+
+            // const controlX = this.ganttUpper.styles.lineHeight / 2;
+            // const controlY =
+            //     Math.sqrt(Math.pow(x4 - x1, 2) + Math.pow(y4 - y1, 2)) / Math.abs(x4 - x1) + this.ganttUpper.styles.lineHeight / 2;
+
+            // if (x1 >= x4) {
+            //     if (y4 > y1) {
+            //         return `M ${x1} ${y1}
+            //                 C ${x1 + controlX} ${y1} ${x1 + controlX} ${y1 + controlX} ${x1} ${y1 + controlY}
+            //                 L ${x1} ${y1 + controlY} ${centerX} ${centerY}
+
+            //                 M ${x4} ${y4}
+            //                 C ${x4 - controlX} ${y4} ${x4 - controlX} ${y4 - controlX} ${x4} ${y4 - controlY}
+            //                 L ${x4} ${y4 - controlY} ${centerX} ${centerY}
+            //                 `;
+            //     } else {
+            //         return `M ${x1} ${y1}
+            //                 C ${x1 + controlX} ${y1} ${x1 + controlX} ${y1 - controlX} ${x1} ${y1 - controlY}
+            //                 L ${x1} ${y1 - controlY} ${centerX} ${centerY}
+
+            //                 M ${x4} ${y4}
+            //                 C ${x4 - controlX} ${y4} ${x4 - controlX} ${y4 + controlX} ${x4} ${y4 + controlY}
+            //                 L ${x4} ${y4 + controlY} ${centerX} ${centerY}
+            //                 `;
+            //     }
+            // }
+
             return `M ${x1} ${y1} C ${x2} ${y1} ${x3} ${y4} ${x4} ${y4}`;
         }
     }
@@ -185,6 +214,33 @@ export class GanttLinksComponent implements OnInit, OnChanges, OnDestroy {
             }
         });
     }
+    // M 8288 417
+    // C 8470 417 8470 505 8652 505
+
+    // M1980 100
+    // C2037 100 2093 60 2150 60
+
+    // 曲线1
+    // point1 M1980 100
+    // point2 1980 120
+    // 控制点1  2000 100  控制点2  2000 120
+
+    // 直线 point1 1980 120 point2 1925 120
+
+    // M1980 100
+    // C2000 100 2000 120 1980 120
+    // L1980 120 1925 120
+
+    // M1870 140
+    // C1850 140 1850 120 1870 120
+    // L1870 120 1925 120
+
+    // M2303 60
+    // C2323 60 2323 80 2303 109
+    // L2303 109 2256 180
+    // M2210 300
+    // C2190 300 2190 280 2210 250
+    // L2210 250 2256 180
 
     trackBy(index: number) {
         return index;
diff --git a/packages/gantt/src/gantt-print.service.ts b/packages/gantt/src/gantt-print.service.ts
index 8664889b..fb077666 100644
--- a/packages/gantt/src/gantt-print.service.ts
+++ b/packages/gantt/src/gantt-print.service.ts
@@ -73,6 +73,7 @@ export class GanttPrintService {
             onclone: (cloneDocument: Document) => {
                 const ganttClass = root.className;
                 const cloneGanttDom = cloneDocument.querySelector(`.${ganttClass.replace(/\s+/g, '.')}`) as HTMLElement;
+                const cloneGanttContainerDom = cloneDocument.querySelector('.gantt-container') as HTMLElement;
                 const cloneCalendarOverlay = cloneDocument.querySelector('.gantt-calendar-overlay-main') as HTMLElement;
                 const cloneLinksOverlay = cloneDocument.querySelector('.gantt-links-overlay-main') as HTMLElement;
 
@@ -80,6 +81,7 @@ export class GanttPrintService {
                 cloneGanttDom.style.width = `${printWidth}px`;
                 cloneGanttDom.style.height = `${printHeight}px`;
                 cloneGanttDom.style.overflow = `unset`;
+                cloneGanttContainerDom.style.backgroundColor = '#fff';
                 cloneCalendarOverlay.setAttribute('height', `${printHeight}`);
                 cloneCalendarOverlay.setAttribute('style', `background: transparent`);
 
diff --git a/packages/gantt/src/gantt.component.scss b/packages/gantt/src/gantt.component.scss
index 736fd392..a73ec82f 100644
--- a/packages/gantt/src/gantt.component.scss
+++ b/packages/gantt/src/gantt.component.scss
@@ -53,6 +53,7 @@
     left: 0;
     right: 0;
     overflow: auto;
+    background-color: $gantt-container-background-color;
 
     .gantt-main-items {
       overflow: hidden;