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https://github.com/sheumann/VNCviewGS.git
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d281a30f98
Specifically, use a union rather than pointer-based type punning to convert the Long value returned by GetContentOrigin() to a Point. This makes for more readable code and should also generate somewhat better assembly code.
75 lines
2.0 KiB
C++
75 lines
2.0 KiB
C++
#if __ORCAC__
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#pragma lint -1
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#pragma noroot
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segment "VNCview GS";
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#endif
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#include <window.h>
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#include <quickdraw.h>
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#include <qdaux.h>
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#include <desk.h>
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#include <memory.h>
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#include <resources.h>
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#include <tcpip.h>
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#include <menu.h>
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#include <control.h>
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#include <misctool.h>
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#include <scrap.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <event.h>
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#include <limits.h>
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#include "vncsession.h"
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#include "vncview.h"
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#include "vncdisplay.h"
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#include "colortables.h"
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#include "menus.h"
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#include "clipboard.h"
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#include "desktopsize.h"
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#include "mouse.h"
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#include "keyboard.h"
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#include "copyrect.h"
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#include "raw.h"
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#include "hextile.h"
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void DoCopyRect (void) {
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/* For use with GetContentOrigin() */
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Origin contentOrigin;
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Rect srcRect;
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unsigned int *dataPtr; /* Pointer to TCP data that was read */
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//printf("Processing CopyRect rectangle\n");
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if (! DoReadTCP ((unsigned long) 4))
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return; /* Not ready yet; wait */
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contentOrigin.l = GetContentOrigin(vncWindow);
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dataPtr = (unsigned int *) ((char *) (*readBufferHndl));
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srcRect.h1 = SwapBytes2(dataPtr[0]) - contentOrigin.pt.h;
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srcRect.v1 = SwapBytes2(dataPtr[1]) - contentOrigin.pt.v;
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srcRect.h2 = srcRect.h1 + rectWidth;
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srcRect.v2 = srcRect.v1 + rectHeight;
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/* Check that the source rect is actually visible; if not, ask the server
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to send the update using some other encoding.
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*/
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if (!RectInRgn(&srcRect, GetVisHandle())) {
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SendFBUpdateRequest(FALSE, rectX, rectY, rectWidth, rectHeight);
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goto done;
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}
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/* We can use the window pointer as a LocInfo pointer because it starts
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* with a grafPort structure, which in turn starts with a LocInfo structure.
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*/
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PPToPort((struct LocInfo *) vncWindow, &srcRect,
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rectX - contentOrigin.pt.h, rectY - contentOrigin.pt.v, modeCopy);
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done:
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NextRect(); /* Prepare for next rect */
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}
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