From 5b9a7a77b6a097b58050876b3b0ea82f7c40d63f Mon Sep 17 00:00:00 2001
From: djowel <djowel@gmail.com>
Date: Wed, 13 Mar 2024 13:07:05 +0800
Subject: [PATCH] Reverted shadow changes

---
 examples/host/macos/skia_app.mm   | 2 +-
 lib/impl/macos/quartz2d/canvas.mm | 3 +--
 lib/impl/skia/canvas.cpp          | 4 +++-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/examples/host/macos/skia_app.mm b/examples/host/macos/skia_app.mm
index e2625df9..22d3bf0c 100755
--- a/examples/host/macos/skia_app.mm
+++ b/examples/host/macos/skia_app.mm
@@ -127,8 +127,8 @@ - (void) drawRect : (NSRect) dirty
    {
       SkCanvas* gpu_canvas = surface->getCanvas();
       gpu_canvas->save();
+      gpu_canvas->scale(_scale, _scale);
       auto cnv = canvas{gpu_canvas};
-      cnv.pre_scale(_scale);
 
       draw(cnv);
 
diff --git a/lib/impl/macos/quartz2d/canvas.mm b/lib/impl/macos/quartz2d/canvas.mm
index 625d7018..926a8133 100755
--- a/lib/impl/macos/quartz2d/canvas.mm
+++ b/lib/impl/macos/quartz2d/canvas.mm
@@ -607,9 +607,8 @@ void round_rect(canvas& c, rect bounds, float radius)
 
    void canvas::shadow_style(point offset, float blur, color c)
    {
-      auto [scx, scy] = device_to_user({1.0, 1.0});
       CGContextSetShadowWithColor(
-         CGContextRef(_context), CGSizeMake(offset.x/scx, -offset.y/scx), blur,
+         CGContextRef(_context), CGSizeMake(offset.x, -offset.y), blur,
          [
             [NSColor
                colorWithRed : c.red
diff --git a/lib/impl/skia/canvas.cpp b/lib/impl/skia/canvas.cpp
index 9394cb3a..72507d96 100755
--- a/lib/impl/skia/canvas.cpp
+++ b/lib/impl/skia/canvas.cpp
@@ -403,7 +403,9 @@ namespace cycfi::artist
    void canvas::shadow_style(point offset, float blur, color c)
    {
       constexpr auto blur_factor = 1.0f;
-      auto [scx, scy] = device_to_user({1.0, 1.0});
+      auto matrix = _context->getTotalMatrix();
+      float scx = matrix.getScaleX();
+      float scy = matrix.getScaleY();
 
       auto shadow = SkImageFilters::DropShadow(
          offset.x / scx