gfx/thebes/gfxQtNativeRenderer.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/thebes/gfxQtNativeRenderer.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,49 @@
     1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
     1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "gfxQtNativeRenderer.h"
    1.10 +#include "gfxContext.h"
    1.11 +#include "gfxXlibSurface.h"
    1.12 +
    1.13 +nsresult
    1.14 +gfxQtNativeRenderer::Draw(gfxContext* ctx, nsIntSize size,
    1.15 +                          uint32_t flags, Screen* screen, Visual* visual)
    1.16 +{
    1.17 +    Display *dpy = DisplayOfScreen(screen);
    1.18 +    bool isOpaque = (flags & DRAW_IS_OPAQUE) ? true : false;
    1.19 +    int screenNumber = screen - ScreenOfDisplay(dpy, 0);
    1.20 +
    1.21 +    if (!isOpaque) {
    1.22 +        int depth = 32;
    1.23 +        XVisualInfo vinfo;
    1.24 +        int foundVisual = XMatchVisualInfo(dpy, screenNumber,
    1.25 +                                           depth, TrueColor,
    1.26 +                                           &vinfo);
    1.27 +        if (!foundVisual)
    1.28 +            return NS_ERROR_FAILURE;
    1.29 +
    1.30 +        visual = vinfo.visual;
    1.31 +    }
    1.32 +
    1.33 +    nsRefPtr<gfxXlibSurface> xsurf =
    1.34 +        gfxXlibSurface::Create(screen, visual,
    1.35 +                               gfxIntSize(size.width, size.height));
    1.36 +
    1.37 +    if (!isOpaque) {
    1.38 +        nsRefPtr<gfxContext> tempCtx = new gfxContext(xsurf);
    1.39 +        tempCtx->SetOperator(gfxContext::OPERATOR_CLEAR);
    1.40 +        tempCtx->Paint();
    1.41 +    }
    1.42 +
    1.43 +    nsresult rv = DrawWithXlib(xsurf->CairoSurface(), nsIntPoint(0, 0), nullptr, 0);
    1.44 +
    1.45 +    if (NS_FAILED(rv))
    1.46 +        return rv;
    1.47 +
    1.48 +    ctx->SetSource(xsurf);
    1.49 +    ctx->Paint();
    1.50 +
    1.51 +    return rv;
    1.52 +}

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