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Merge pull request #554 from go-vgo/bitmap-pr

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Fix: fixed mac multi screen capture
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Evans 2023-01-11 16:10:44 -08:00 committed by GitHub
commit 4bc64ebf67
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1 changed files with 4 additions and 2 deletions
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6
screen/screengrab_c.h
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@ -20,7 +20,7 @@ MMBitmapRef copyMMBitmapFromDisplayInRect(MMRectInt32 rect, int32_t display_id)
size_t bufferSize = 0; size_t bufferSize = 0;
CGDirectDisplayID displayID = (CGDirectDisplayID) display_id; CGDirectDisplayID displayID = (CGDirectDisplayID) display_id;
if (displayID == -1) { if (displayID == -1 || displayID == 0) {
displayID = CGMainDisplayID(); displayID = CGMainDisplayID();
} }
@ -94,11 +94,13 @@ MMBitmapRef copyMMBitmapFromDisplayInRect(MMRectInt32 rect, int32_t display_id)
} }
if (screen == NULL) { return NULL; } if (screen == NULL) { return NULL; }
// Todo:
screenMem = CreateCompatibleDC(screen);
/* Get screen data in display device context. */ /* Get screen data in display device context. */
dib = CreateDIBSection(screen, &bi, DIB_RGB_COLORS, &data, NULL, 0); dib = CreateDIBSection(screen, &bi, DIB_RGB_COLORS, &data, NULL, 0);
/* Copy the data into a bitmap struct. */ /* Copy the data into a bitmap struct. */
BOOL b = (screenMem = CreateCompatibleDC(screen)) == NULL || BOOL b = (screenMem == NULL) ||
SelectObject(screenMem, dib) == NULL || SelectObject(screenMem, dib) == NULL ||
!BitBlt(screenMem, (int)0, (int)0, (int)rect.size.w, (int)rect.size.h, !BitBlt(screenMem, (int)0, (int)0, (int)rect.size.w, (int)rect.size.h,
screen, rect.origin.x, rect.origin.y, SRCCOPY); screen, rect.origin.x, rect.origin.y, SRCCOPY);