gecko-dev/gfx/thebes/gfxQtNativeRenderer.cpp
2013-10-25 23:25:40 +02:00

50 lines
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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/. */
#include "gfxQtNativeRenderer.h"
#include "gfxContext.h"
#include "gfxXlibSurface.h"
nsresult
gfxQtNativeRenderer::Draw(gfxContext* ctx, nsIntSize size,
uint32_t flags, Screen* screen, Visual* visual)
{
Display *dpy = DisplayOfScreen(screen);
bool isOpaque = (flags & DRAW_IS_OPAQUE) ? true : false;
int screenNumber = screen - ScreenOfDisplay(dpy, 0);
if (!isOpaque) {
int depth = 32;
XVisualInfo vinfo;
int foundVisual = XMatchVisualInfo(dpy, screenNumber,
depth, TrueColor,
&vinfo);
if (!foundVisual)
return NS_ERROR_FAILURE;
visual = vinfo.visual;
}
nsRefPtr<gfxXlibSurface> xsurf =
gfxXlibSurface::Create(screen, visual,
gfxIntSize(size.width, size.height));
if (!isOpaque) {
nsRefPtr<gfxContext> tempCtx = new gfxContext(xsurf);
tempCtx->SetOperator(gfxContext::OPERATOR_CLEAR);
tempCtx->Paint();
}
nsresult rv = DrawWithXlib(xsurf.get(), nsIntPoint(0, 0), nullptr, 0);
if (NS_FAILED(rv))
return rv;
ctx->SetSource(xsurf);
ctx->Paint();
return rv;
}