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byteswap styled text (clipboard) on little endian host OS X

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This commit is contained in:
asvitkine 2007-02-18 21:11:41 +00:00
parent b20a76f580
commit 5bbda1a589
1 changed files with 41 additions and 1 deletions
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42
BasiliskII/src/MacOSX/clip_macosx.cpp
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@ -34,6 +34,45 @@
static bool we_put_this_data = false;
static void SwapScrapData(uint32 type, void *data, int32 length, int from_host) {
#if BYTE_ORDER != BIG_ENDIAN
if (type == kScrapFlavorTypeTextStyle) {
uint16 *sdata = (uint16 *) data;
// the first short stores the number of runs
uint16 runs = sdata[0];
sdata[0] = htons(sdata[0]);
if (from_host)
runs = sdata[0];
sdata++;
// loop through each run
for (int i = 0; i < runs; i++) {
struct style_data {
uint32 offset;
uint16 line_height;
uint16 line_ascent;
uint16 font_family;
uint16 character_style; // not swapped
uint16 point_size;
uint16 red;
uint16 green;
uint16 blue;
} *style = (struct style_data *) (sdata + i*10);
style->offset = htonl(style->offset);
style->line_height = htons(style->line_height);
style->line_ascent = htons(style->line_ascent);
style->font_family = htons(style->font_family);
style->point_size = htons(style->point_size);
style->red = htons(style->red);
style->green = htons(style->green);
style->blue = htons(style->blue);
}
} else {
// add byteswapping code for other flavor types here ...
}
#endif
}
/*
* Initialization
*/
@ -79,7 +118,7 @@ void GetScrap(void **handle, uint32 type, int32 offset)
if (scrap_area) {
uint8 * const data = Mac2HostAddr(scrap_area);
if (GetScrapFlavorData(theScrap, type, &byteCount, data) == noErr) {
SwapScrapData(type, data, byteCount, FALSE);
// Add new data to clipboard
static uint8 proc[] = {
0x59, 0x8f, // subq.l #4,sp
@ -137,6 +176,7 @@ void PutScrap(uint32 type, void *scrap, int32 length)
return;
}
SwapScrapData(type, scrap, length, TRUE);
if (PutScrapFlavor(theScrap, type, kScrapFlavorMaskNone, length, scrap) != noErr) {
D(bug(" could not put to scrap\n"));
return;