#include <Application.h>
#include <DirectWindow.h>
#include <stdio.h>
static const char *
state_to_string(direct_buffer_state state)
{
switch (state & B_DIRECT_MODE_MASK) {
case B_DIRECT_START:
return "B_DIRECT_START";
case B_DIRECT_STOP:
return "B_DIRECT_STOP";
case B_DIRECT_MODIFY:
return "B_DIRECT_MODIFY";
default:
return "other state";
}
}
static const char *
layout_to_string(buffer_layout layout)
{
switch (layout) {
case B_BUFFER_NONINTERLEAVED:
return "B_BUFFER_NONINTERLEAVED";
default:
return "unknown buffer_layout";
}
}
static const char *
orientation_to_string(buffer_orientation orientation)
{
switch (orientation) {
case B_BUFFER_TOP_TO_BOTTOM:
return "B_BUFFER_TOP_TO_BOTTOM";
case B_BUFFER_BOTTOM_TO_TOP:
return "B_BUFFER_BOTTOM_TO_TOP";
default:
return "unknown buffer_orientation";
}
}
class TestWindow : public BDirectWindow {
public:
TestWindow() : BDirectWindow(BRect(100, 100, 400, 300), "DWInfo", B_DOCUMENT_WINDOW, 0)
{
}
virtual void DirectConnected(direct_buffer_info *info)
{
BRegion region;
printf("\n\n*** DirectConnected() ***\n");
area_id areaId = area_for(info);
area_info areaInfo;
if (areaId >= 0 && get_area_info(areaId, &areaInfo) == B_OK)
printf("area size: %ld\n", areaInfo.size);
printf("buffer state: %s\n", state_to_string(info->buffer_state));
printf("bits: %p\n", info->bits);
printf("pci_bits: %p\n", info->pci_bits);
printf("bytes_per_row: %ld\n", info->bytes_per_row);
printf("bits_per_pixel: %lu\n", info->bits_per_pixel);
printf("pixel_format: %d\n", info->pixel_format);
printf("buffer_layout: %s\n", layout_to_string(info->layout));
printf("buffer_orientation: %s\n", orientation_to_string(info->orientation));
printf("\nCLIPPING INFO:\n");
printf("clipping_rects count: %ld\n", info->clip_list_count);
printf("- window_bounds:\n");
region.Set(info->window_bounds);
region.PrintToStream();
region.MakeEmpty();
for (uint32 i = 0; i < info->clip_list_count; i++)
region.Include(info->clip_list[i]);
printf("- clip_list:\n");
region.PrintToStream();
}
virtual bool QuitRequested()
{
be_app->PostMessage(B_QUIT_REQUESTED);
return BDirectWindow::QuitRequested();
}
};
int main()
{
BApplication app("application/x-vnd.DWInfo");
(new TestWindow())->Show();
app.Run();
}
