OLD | NEW |
---|---|
(Empty) | |
1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "ui/wayland/wayland_cursor.h" | |
6 | |
7 #include <cairo.h> | |
8 | |
9 #include "base/logging.h" | |
10 #include "ui/wayland/wayland_display.h" | |
11 #include "ui/wayland/wayland_shm_buffer.h" | |
12 | |
13 namespace { | |
14 | |
15 struct PointerImage { | |
16 const char* filename; | |
17 int hotspot_x, hotspot_y; | |
18 }; | |
19 | |
20 // TODO(dnicoara) Add more pointer images and fix the path | |
21 static const struct PointerImage kPointerImages[] = { | |
22 {"left_ptr.png", 10, 5}, | |
23 {"hand.png", 10, 5}, | |
24 }; | |
25 | |
26 } | |
Evan Martin
2011/07/22 21:08:54
Write this one as
} // namespace
(which conveys
| |
27 | |
28 WaylandCursor::WaylandCursor(WaylandDisplay* display) | |
29 : display_(display), | |
30 buffer_(NULL) { | |
31 } | |
32 | |
33 WaylandCursor::~WaylandCursor() { | |
34 if (buffer_) { | |
35 delete buffer_; | |
36 buffer_ = NULL; | |
37 } | |
38 } | |
39 | |
40 void WaylandCursor::ChangeCursor(WaylandCursorType type) { | |
41 const struct PointerImage *ptr = &kPointerImages[type]; | |
42 | |
43 cairo_surface_t* ptr_surface = cairo_image_surface_create_from_png( | |
44 ptr->filename); | |
45 | |
46 if (!ptr_surface) { | |
47 LOG(ERROR) << "Failed to create cursor surface"; | |
48 return; | |
49 } | |
50 | |
51 int width = cairo_image_surface_get_width(ptr_surface); | |
52 int height = cairo_image_surface_get_height(ptr_surface); | |
53 | |
54 if (buffer_) { | |
55 delete buffer_; | |
56 buffer_ = NULL; | |
57 } | |
58 | |
59 // TODO(dnicoara) There should be a simpler way to create a wl_buffer for | |
60 // a cairo surface. Meantime we just copy the contents of the cairo surface | |
61 // created from file to the cairo surface created using a shm file. | |
62 buffer_ = new WaylandShmBuffer(display_, width, height); | |
63 cairo_surface_t* shared_surface = buffer_->GetDataSurface(); | |
64 | |
65 cairo_t* cr = cairo_create(shared_surface); | |
66 cairo_set_source_surface(cr, ptr_surface, 0, 0); | |
67 cairo_rectangle(cr, 0, 0, width, height); | |
68 cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); | |
69 cairo_fill(cr); | |
70 | |
71 display_->SetCursor(buffer_, ptr->hotspot_x, ptr->hotspot_y); | |
72 } | |
OLD | NEW |