1 #include <Application.h>
2 #include <DirectWindow.h>
3
4 #include <stdio.h>
5
6 static const char *
state_to_string(direct_buffer_state state)7 state_to_string(direct_buffer_state state)
8 {
9 //TODO: Return more info like B_CLIPPING_MODIFIED, etc.
10
11 switch (state & B_DIRECT_MODE_MASK) {
12 case B_DIRECT_START:
13 return "B_DIRECT_START";
14 case B_DIRECT_STOP:
15 return "B_DIRECT_STOP";
16 case B_DIRECT_MODIFY:
17 return "B_DIRECT_MODIFY";
18 default:
19 return "other state";
20 }
21 }
22
23
24 static const char *
layout_to_string(buffer_layout layout)25 layout_to_string(buffer_layout layout)
26 {
27 switch (layout) {
28 case B_BUFFER_NONINTERLEAVED:
29 return "B_BUFFER_NONINTERLEAVED";
30 default:
31 return "unknown buffer_layout";
32 }
33 }
34
35
36 static const char *
orientation_to_string(buffer_orientation orientation)37 orientation_to_string(buffer_orientation orientation)
38 {
39 switch (orientation) {
40 case B_BUFFER_TOP_TO_BOTTOM:
41 return "B_BUFFER_TOP_TO_BOTTOM";
42 case B_BUFFER_BOTTOM_TO_TOP:
43 return "B_BUFFER_BOTTOM_TO_TOP";
44 default:
45 return "unknown buffer_orientation";
46 }
47 }
48
49 class TestWindow : public BDirectWindow {
50 public:
TestWindow()51 TestWindow() : BDirectWindow(BRect(100, 100, 400, 300), "DWInfo", B_DOCUMENT_WINDOW, 0)
52 {
53
54 }
55
DirectConnected(direct_buffer_info * info)56 virtual void DirectConnected(direct_buffer_info *info)
57 {
58 BRegion region;
59
60 printf("\n\n*** DirectConnected() ***\n");
61 area_id areaId = area_for(info);
62 area_info areaInfo;
63 if (areaId >= 0 && get_area_info(areaId, &areaInfo) == B_OK)
64 printf("area size: %ld\n", areaInfo.size);
65
66 printf("buffer state: %s\n", state_to_string(info->buffer_state));
67 printf("bits: %p\n", info->bits);
68 printf("pci_bits: %p\n", info->pci_bits);
69 printf("bytes_per_row: %ld\n", info->bytes_per_row);
70 printf("bits_per_pixel: %lu\n", info->bits_per_pixel);
71 printf("pixel_format: %d\n", info->pixel_format);
72 printf("buffer_layout: %s\n", layout_to_string(info->layout));
73 printf("buffer_orientation: %s\n", orientation_to_string(info->orientation));
74
75 printf("\nCLIPPING INFO:\n");
76 printf("clipping_rects count: %ld\n", info->clip_list_count);
77
78 printf("- window_bounds:\n");
79 region.Set(info->window_bounds);
80 region.PrintToStream();
81
82 region.MakeEmpty();
83 for (uint32 i = 0; i < info->clip_list_count; i++)
84 region.Include(info->clip_list[i]);
85
86 printf("- clip_list:\n");
87 region.PrintToStream();
88 }
89
QuitRequested()90 virtual bool QuitRequested()
91 {
92 be_app->PostMessage(B_QUIT_REQUESTED);
93 return BDirectWindow::QuitRequested();
94 }
95 };
96
97
98
main()99 int main()
100 {
101 BApplication app("application/x-vnd.DWInfo");
102
103 (new TestWindow())->Show();
104
105 app.Run();
106 }
107