зеркало из https://github.com/mozilla/gecko-dev.git
70 строки
2.3 KiB
C++
70 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "gfxGdkNativeRenderer.h"
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#include "gfxContext.h"
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#include "gfxPlatformGtk.h"
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#ifdef MOZ_X11
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#include <gdk/gdkx.h>
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#include "cairo-xlib.h"
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#include "gfxXlibSurface.h"
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#if (MOZ_WIDGET_GTK == 2)
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nsresult
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gfxGdkNativeRenderer::DrawWithXlib(cairo_surface_t* surface,
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nsIntPoint offset,
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nsIntRect* clipRects, uint32_t numClipRects)
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{
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GdkDrawable *drawable = gfxPlatformGtk::GetGdkDrawable(surface);
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if (!drawable) {
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int depth = cairo_xlib_surface_get_depth(surface);
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GdkScreen* screen = gdk_colormap_get_screen(mColormap);
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drawable =
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gdk_pixmap_foreign_new_for_screen(screen, cairo_xlib_surface_get_drawable(surface),
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cairo_xlib_surface_get_width(surface),
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cairo_xlib_surface_get_height(surface),
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depth);
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if (!drawable)
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return NS_ERROR_FAILURE;
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gdk_drawable_set_colormap(drawable, mColormap);
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gfxPlatformGtk::SetGdkDrawable(surface, drawable);
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g_object_unref(drawable); // The drawable now belongs to |surface|.
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}
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GdkRectangle clipRect;
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if (numClipRects) {
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NS_ASSERTION(numClipRects == 1, "Too many clip rects");
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clipRect.x = clipRects[0].x;
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clipRect.y = clipRects[0].y;
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clipRect.width = clipRects[0].width;
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clipRect.height = clipRects[0].height;
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}
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return DrawWithGDK(drawable, offset.x, offset.y,
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numClipRects ? &clipRect : nullptr, numClipRects);
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}
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void
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gfxGdkNativeRenderer::Draw(gfxContext* ctx, nsIntSize size,
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uint32_t flags, GdkColormap* colormap)
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{
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mColormap = colormap;
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Visual* visual =
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gdk_x11_visual_get_xvisual(gdk_colormap_get_visual(colormap));
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Screen* screen =
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gdk_x11_screen_get_xscreen(gdk_colormap_get_screen(colormap));
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gfxXlibNativeRenderer::Draw(ctx, size, flags, screen, visual);
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}
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#else
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// TODO GTK3
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#endif
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#endif
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