PKGBUILDs/extra/chromium/fix-frame-buttons-rendering-too-large-when-using-OSX.patch

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2018-04-04 17:46:58 +00:00
From 7ef426c221d11b53b6de507b398e35e8d7b3cc94 Mon Sep 17 00:00:00 2001
From: Tom Anderson <thomasanderson@chromium.org>
Date: Wed, 4 Apr 2018 01:23:26 +0000
Subject: [PATCH] Fix frame buttons rendering too large when using
OSX-Arc-White GTK theme
The check for GTK 3.20 was incorrect as the issue it was trying to fix
was still occurring on GTK 3.20+ systems. This CL adds the correct,
but more complex, check.
Verified on these configurations:
{GTK 3.18, GTK 3.22} X
{Breeze, Adwaita, OSX-Arc-White, Greybird} X
{scale=1, scale=2} X
{fullscreen, restored}
BUG=821881
R=thestig
Change-Id: I05afa35c1452a46a1abf4c39191a13657bfd8e2c
Reviewed-on: https://chromium-review.googlesource.com/990717
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#547921}
---
chrome/browser/ui/libgtkui/nav_button_provider_gtk3.cc | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/chrome/browser/ui/libgtkui/nav_button_provider_gtk3.cc b/chrome/browser/ui/libgtkui/nav_button_provider_gtk3.cc
index 31a8087bca11..6a09faec5dd2 100644
--- a/chrome/browser/ui/libgtkui/nav_button_provider_gtk3.cc
+++ b/chrome/browser/ui/libgtkui/nav_button_provider_gtk3.cc
@@ -213,7 +213,23 @@ class NavButtonImageSource : public gfx::ImageSkiaSource {
// is not scaled for the (unexpected) smaller button size, and the button's
// edges appear cut off. To fix this, manually set the background to scale
// to the button size when it would have clipped.
- if (GtkVersionCheck(3, 20)) {
+ //
+ // GTK's "contain" is unlike CSS's "contain". In CSS, the image would only
+ // be downsized when it would have clipped. In GTK, the image is always
+ // scaled to fit the drawing region (preserving aspect ratio). Only add
+ // "contain" if clipping would occur.
+ cairo_pattern_t* cr_pattern = nullptr;
+ cairo_surface_t* cr_surface = nullptr;
+ gtk_style_context_get(button_context, button_state,
+ GTK_STYLE_PROPERTY_BACKGROUND_IMAGE, &cr_pattern,
+ nullptr);
+ if (cr_pattern &&
+ cairo_pattern_get_surface(cr_pattern, &cr_surface) ==
+ CAIRO_STATUS_SUCCESS &&
+ cr_surface &&
+ cairo_surface_get_type(cr_surface) == CAIRO_SURFACE_TYPE_IMAGE &&
+ (cairo_image_surface_get_width(cr_surface) > button_size_.width() ||
+ cairo_image_surface_get_height(cr_surface) > button_size_.height())) {
ApplyCssToContext(button_context,
".titlebutton { background-size: contain; }");
}
--
2.16.2