From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- third_party/rust/dwrote/src/gdi_interop.rs | 46 ++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 third_party/rust/dwrote/src/gdi_interop.rs (limited to 'third_party/rust/dwrote/src/gdi_interop.rs') diff --git a/third_party/rust/dwrote/src/gdi_interop.rs b/third_party/rust/dwrote/src/gdi_interop.rs new file mode 100644 index 0000000000..fcf27947c8 --- /dev/null +++ b/third_party/rust/dwrote/src/gdi_interop.rs @@ -0,0 +1,46 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +use std::cell::UnsafeCell; +use std::ptr; +use winapi::um::dwrite::IDWriteBitmapRenderTarget; +use winapi::um::dwrite::IDWriteGdiInterop; +use wio::com::ComPtr; + +use super::{BitmapRenderTarget, DWriteFactory}; + +pub struct GdiInterop { + native: UnsafeCell>, +} + +impl GdiInterop { + pub fn create() -> GdiInterop { + unsafe { + let mut native: *mut IDWriteGdiInterop = ptr::null_mut(); + let hr = (*DWriteFactory()).GetGdiInterop(&mut native); + assert!(hr == 0); + GdiInterop::take(ComPtr::from_raw(native)) + } + } + + pub fn take(native: ComPtr) -> GdiInterop { + GdiInterop { + native: UnsafeCell::new(native), + } + } + + pub fn create_bitmap_render_target(&self, width: u32, height: u32) -> BitmapRenderTarget { + unsafe { + let mut native: *mut IDWriteBitmapRenderTarget = ptr::null_mut(); + let hr = (*self.native.get()).CreateBitmapRenderTarget( + ptr::null_mut(), + width, + height, + &mut native, + ); + assert!(hr == 0); + BitmapRenderTarget::take(ComPtr::from_raw(native)) + } + } +} -- cgit v1.2.3