michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "gfxQtNativeRenderer.h"
michael@0: #include "gfxContext.h"
michael@0: #include "gfxXlibSurface.h"
michael@0: 
michael@0: nsresult
michael@0: gfxQtNativeRenderer::Draw(gfxContext* ctx, nsIntSize size,
michael@0:                           uint32_t flags, Screen* screen, Visual* visual)
michael@0: {
michael@0:     Display *dpy = DisplayOfScreen(screen);
michael@0:     bool isOpaque = (flags & DRAW_IS_OPAQUE) ? true : false;
michael@0:     int screenNumber = screen - ScreenOfDisplay(dpy, 0);
michael@0: 
michael@0:     if (!isOpaque) {
michael@0:         int depth = 32;
michael@0:         XVisualInfo vinfo;
michael@0:         int foundVisual = XMatchVisualInfo(dpy, screenNumber,
michael@0:                                            depth, TrueColor,
michael@0:                                            &vinfo);
michael@0:         if (!foundVisual)
michael@0:             return NS_ERROR_FAILURE;
michael@0: 
michael@0:         visual = vinfo.visual;
michael@0:     }
michael@0: 
michael@0:     nsRefPtr<gfxXlibSurface> xsurf =
michael@0:         gfxXlibSurface::Create(screen, visual,
michael@0:                                gfxIntSize(size.width, size.height));
michael@0: 
michael@0:     if (!isOpaque) {
michael@0:         nsRefPtr<gfxContext> tempCtx = new gfxContext(xsurf);
michael@0:         tempCtx->SetOperator(gfxContext::OPERATOR_CLEAR);
michael@0:         tempCtx->Paint();
michael@0:     }
michael@0: 
michael@0:     nsresult rv = DrawWithXlib(xsurf->CairoSurface(), nsIntPoint(0, 0), nullptr, 0);
michael@0: 
michael@0:     if (NS_FAILED(rv))
michael@0:         return rv;
michael@0: 
michael@0:     ctx->SetSource(xsurf);
michael@0:     ctx->Paint();
michael@0: 
michael@0:     return rv;
michael@0: }