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Merge pull request #484 from go-vgo/bitmap-pr

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Update widows ReleaseDC code
This commit is contained in:
Evans 2022-03-03 16:50:58 -08:00 committed by GitHub
commit 1d2ec44308
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1 changed files with 5 additions and 3 deletions
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8
screen/screengrab_c.h
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@ -85,10 +85,12 @@ MMBitmapRef copyMMBitmapFromDisplayInRect(MMRectInt32 rect, int32_t display_id)
bi.bmiHeader.biClrUsed = 0;
bi.bmiHeader.biClrImportant = 0;
HWND hwnd;
if (display_id == -1) {
screen = GetDC(NULL); /* Get entire screen */
} else {
screen = GetDC((HWND) (uintptr) display_id);
hwnd = (HWND) (uintptr) display_id;
screen = GetDC(hwnd);
}
if (screen == NULL) { return NULL; }
@ -101,7 +103,7 @@ MMBitmapRef copyMMBitmapFromDisplayInRect(MMRectInt32 rect, int32_t display_id)
screen, rect.origin.x, rect.origin.y, SRCCOPY);
if (smem || SelectObject(screenMem, dib) == NULL || !bitb) {
/* Error copying data. */
ReleaseDC(NULL, screen);
ReleaseDC(hwnd, screen);
DeleteObject(dib);
if (screenMem != NULL) { DeleteDC(screenMem); }
@ -117,7 +119,7 @@ MMBitmapRef copyMMBitmapFromDisplayInRect(MMRectInt32 rect, int32_t display_id)
memcpy(bitmap->imageBuffer, data, bitmap->bytewidth * bitmap->height);
}
ReleaseDC(NULL, screen);
ReleaseDC(hwnd, screen);
DeleteObject(dib);
DeleteDC(screenMem);