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

70 lines
2.3 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 "gfxGdkNativeRenderer.h"
#include "gfxContext.h"
#include "gfxPlatformGtk.h"
#ifdef MOZ_X11
#include <gdk/gdkx.h>
#include "cairo-xlib.h"
#include "gfxXlibSurface.h"
#if (MOZ_WIDGET_GTK == 2)
nsresult
gfxGdkNativeRenderer::DrawWithXlib(cairo_surface_t* surface,
nsIntPoint offset,
nsIntRect* clipRects, uint32_t numClipRects)
{
GdkDrawable *drawable = gfxPlatformGtk::GetGdkDrawable(surface);
if (!drawable) {
int depth = cairo_xlib_surface_get_depth(surface);
GdkScreen* screen = gdk_colormap_get_screen(mColormap);
drawable =
gdk_pixmap_foreign_new_for_screen(screen, cairo_xlib_surface_get_drawable(surface),
cairo_xlib_surface_get_width(surface),
cairo_xlib_surface_get_height(surface),
depth);
if (!drawable)
return NS_ERROR_FAILURE;
gdk_drawable_set_colormap(drawable, mColormap);
gfxPlatformGtk::SetGdkDrawable(surface, drawable);
g_object_unref(drawable); // The drawable now belongs to |surface|.
}
GdkRectangle clipRect;
if (numClipRects) {
NS_ASSERTION(numClipRects == 1, "Too many clip rects");
clipRect.x = clipRects[0].x;
clipRect.y = clipRects[0].y;
clipRect.width = clipRects[0].width;
clipRect.height = clipRects[0].height;
}
return DrawWithGDK(drawable, offset.x, offset.y,
numClipRects ? &clipRect : nullptr, numClipRects);
}
void
gfxGdkNativeRenderer::Draw(gfxContext* ctx, nsIntSize size,
uint32_t flags, GdkColormap* colormap)
{
mColormap = colormap;
Visual* visual =
gdk_x11_visual_get_xvisual(gdk_colormap_get_visual(colormap));
Screen* screen =
gdk_x11_screen_get_xscreen(gdk_colormap_get_screen(colormap));
gfxXlibNativeRenderer::Draw(ctx, size, flags, screen, visual);
}
#else
// TODO GTK3
#endif
#endif