6 imss_win32(unsigned hwnd_u, int include_decor) {
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7 HWND hwnd = (HWND)hwnd_u;
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10 HBITMAP work_bmp, old_dc_bmp;
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13 unsigned char *di_bits;
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14 i_img *result = NULL;
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19 hwnd = GetDesktopWindow();
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21 if (include_decor) {
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22 wdc = GetWindowDC(hwnd);
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23 GetWindowRect(hwnd, &rect);
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27 GetClientRect(hwnd, &rect);
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30 i_push_error(0, "Cannot get window DC - invalid hwnd?");
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34 width = rect.right - rect.left;
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35 height = rect.bottom - rect.top;
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36 work_bmp = CreateCompatibleBitmap(wdc, width, height);
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37 bmdc = CreateCompatibleDC(wdc);
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38 old_dc_bmp = SelectObject(bmdc, work_bmp);
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39 BitBlt(bmdc, 0, 0, width, height, wdc, 0, 0, SRCCOPY);
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42 memset(&bmi, 0, sizeof(bmi));
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43 bmi.bmiHeader.biSize = sizeof(bmi);
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44 bmi.bmiHeader.biWidth = width;
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45 bmi.bmiHeader.biHeight = -height;
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46 bmi.bmiHeader.biPlanes = 1;
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47 bmi.bmiHeader.biBitCount = 32;
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48 bmi.bmiHeader.biCompression = BI_RGB;
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50 di_bits = mymalloc(4 * width * height);
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51 if (GetDIBits(bmdc, work_bmp, 0, height, di_bits, &bmi, DIB_RGB_COLORS)) {
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52 i_color *line = mymalloc(sizeof(i_color) * width);
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55 unsigned char *ch_pp = di_bits;
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56 result = i_img_8_new(width, height, 3);
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58 for (y = 0; y < height; ++y) {
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60 for (x = 0; x < width; ++x) {
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61 cp->rgb.b = *ch_pp++;
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62 cp->rgb.g = *ch_pp++;
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63 cp->rgb.r = *ch_pp++;
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67 i_plin(result, 0, width, y, line);
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74 SelectObject(bmdc, old_dc_bmp);
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76 DeleteObject(work_bmp);
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77 ReleaseDC(hwnd, wdc);
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