The Tor Browser: gfx/thebes/gfxGdkNativeRenderer.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  * This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "gfxGdkNativeRenderer.h"

     7 #include "gfxContext.h"

     8 #include "gfxPlatformGtk.h"

    10 #ifdef MOZ_X11

    11 #include <gdk/gdkx.h>

    12 #include "cairo-xlib.h"

    13 #include "gfxXlibSurface.h"

    15 #if (MOZ_WIDGET_GTK == 2)

    16 nsresult

    17 gfxGdkNativeRenderer::DrawWithXlib(cairo_surface_t* surface,

    18                                    nsIntPoint offset,

    19                                    nsIntRect* clipRects, uint32_t numClipRects)

    20 {

    21     GdkDrawable *drawable = gfxPlatformGtk::GetGdkDrawable(surface);

    22     if (!drawable) {

    23         int depth = cairo_xlib_surface_get_depth(surface);

    24         GdkScreen* screen = gdk_colormap_get_screen(mColormap);

    25         drawable =

    26             gdk_pixmap_foreign_new_for_screen(screen, cairo_xlib_surface_get_drawable(surface),

    27                                               cairo_xlib_surface_get_width(surface),

    28                                               cairo_xlib_surface_get_height(surface),

    29                                               depth);

    30         if (!drawable)

    31             return NS_ERROR_FAILURE;

    33         gdk_drawable_set_colormap(drawable, mColormap);

    34         gfxPlatformGtk::SetGdkDrawable(surface, drawable);

    35         g_object_unref(drawable); // The drawable now belongs to |surface|.

    36     }

    38     GdkRectangle clipRect;

    39     if (numClipRects) {

    40         NS_ASSERTION(numClipRects == 1, "Too many clip rects");

    41         clipRect.x = clipRects[0].x;

    42         clipRect.y = clipRects[0].y;

    43         clipRect.width = clipRects[0].width;

    44         clipRect.height = clipRects[0].height;

    45     }

    47     return DrawWithGDK(drawable, offset.x, offset.y,

    48                        numClipRects ? &clipRect : nullptr, numClipRects);

    49 }

    51 void

    52 gfxGdkNativeRenderer::Draw(gfxContext* ctx, nsIntSize size,

    53                            uint32_t flags, GdkColormap* colormap)

    54 {

    55     mColormap = colormap;

    57     Visual* visual =

    58         gdk_x11_visual_get_xvisual(gdk_colormap_get_visual(colormap));

    59     Screen* screen =

    60         gdk_x11_screen_get_xscreen(gdk_colormap_get_screen(colormap));

    62     gfxXlibNativeRenderer::Draw(ctx, size, flags, screen, visual);

    63 }

    65 #else

    66 // TODO GTK3

    67 #endif

    69 #endif

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