From dd631b6d2c7553851545bd45dd48f7c998e29a95 Mon Sep 17 00:00:00 2001
From: handongxun <handongxun@dcloud.io>
Date: Tue, 23 Apr 2019 18:20:42 +0800
Subject: [PATCH] =?UTF-8?q?update:=20H5=20=E4=BB=85=E5=AF=B9=E4=BD=BF?=
 =?UTF-8?q?=E7=94=A8uni=E5=88=9B=E5=BB=BA=E7=9A=84canvas=E5=81=9A=E9=AB=98?=
 =?UTF-8?q?=E6=B8=85=E5=A4=84=E7=90=86.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/core/helpers/hidpi.js | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/core/helpers/hidpi.js b/src/core/helpers/hidpi.js
index e3bb8e856..b235568d6 100644
--- a/src/core/helpers/hidpi.js
+++ b/src/core/helpers/hidpi.js
@@ -41,7 +41,7 @@ if (pixelRatio !== 1) {
   forEach(ratioArgs, function (value, key) {
     proto[key] = (function (_super) {
       return function () {
-        if (this.__ignore__) {
+        if (!this.__hidpi__) {
           return _super.apply(this, arguments)
         }
 
@@ -63,7 +63,7 @@ if (pixelRatio !== 1) {
 
   proto.stroke = (function (_super) {
     return function () {
-      if (this.__ignore__) {
+      if (!this.__hidpi__) {
         return _super.apply(this, arguments)
       }
       this.lineWidth *= pixelRatio
@@ -74,7 +74,7 @@ if (pixelRatio !== 1) {
 
   proto.fillText = (function (_super) {
     return function () {
-      if (this.__ignore__) {
+      if (!this.__hidpi__) {
         return _super.apply(this, arguments)
       }
       const args = Array.prototype.slice.call(arguments)
@@ -102,7 +102,7 @@ if (pixelRatio !== 1) {
 
   proto.strokeText = (function (_super) {
     return function () {
-      if (this.__ignore__) {
+      if (!this.__hidpi__) {
         return _super.apply(this, arguments)
       }
       var args = Array.prototype.slice.call(arguments)
@@ -130,7 +130,7 @@ if (pixelRatio !== 1) {
 
   proto.drawImageByCanvas = (function (_super) {
     return function (canvas, srcx, srcy, srcw, srch, desx, desy, desw, desh, isScale) {
-      if (this.__ignore__) {
+      if (!this.__hidpi__) {
         return _super.apply(this, arguments)
       }
       srcx *= pixelRatio
@@ -147,7 +147,7 @@ if (pixelRatio !== 1) {
 
   proto.drawImage = (function (_super) {
     return function () {
-      if (this.__ignore__) {
+      if (!this.__hidpi__) {
         return _super.apply(this, arguments)
       }
       this.scale(pixelRatio, pixelRatio)
@@ -162,6 +162,7 @@ export function wrapper (canvas) {
   canvas.style.width = canvas.width + 'px'
   canvas.width *= pixelRatio
   canvas.height *= pixelRatio
+  canvas.getContext('2d').__hidpi__ = true
 
   console.log(canvas.width)
   console.log(canvas.height)
-- 
GitLab