From 921df6efca5b385790a2806f8b8844becb36e773 Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Sat, 20 Mar 2021 12:53:27 +1100
Subject: Add AllocatePixMap method on Surface to create a pixmap surface.

---
 qt/ScintillaEditBase/PlatQt.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'qt/ScintillaEditBase/PlatQt.cpp')

diff --git a/qt/ScintillaEditBase/PlatQt.cpp b/qt/ScintillaEditBase/PlatQt.cpp
index 6503d9c19..d61abf7b2 100644
--- a/qt/ScintillaEditBase/PlatQt.cpp
+++ b/qt/ScintillaEditBase/PlatQt.cpp
@@ -157,6 +157,16 @@ SurfaceImpl::SurfaceImpl()
 : device(nullptr), painter(nullptr), deviceOwned(false), painterOwned(false), x(0), y(0),
 	  codecName(nullptr), codec(nullptr)
 {}
+
+SurfaceImpl::SurfaceImpl(int width, int height, SurfaceMode mode_)
+{
+	if (width < 1) width = 1;
+	if (height < 1) height = 1;
+	deviceOwned = true;
+	device = new QPixmap(width, height);
+	mode = mode_;
+}
+
 SurfaceImpl::~SurfaceImpl()
 {
 	Clear();
@@ -203,6 +213,11 @@ void SurfaceImpl::InitPixMap(int width,
 	mode = psurfOther->mode;
 }
 
+std::unique_ptr<Surface> SurfaceImpl::AllocatePixMap(int width, int height)
+{
+	return std::make_unique<SurfaceImpl>(width, height, mode);
+}
+
 void SurfaceImpl::SetMode(SurfaceMode mode_)
 {
 	mode = mode_;
-- 
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