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Diffstat (limited to 'macosx/tkMacOSXXStubs.c')
-rw-r--r--macosx/tkMacOSXXStubs.c99
1 files changed, 70 insertions, 29 deletions
diff --git a/macosx/tkMacOSXXStubs.c b/macosx/tkMacOSXXStubs.c
index b16b582..1313c9f 100644
--- a/macosx/tkMacOSXXStubs.c
+++ b/macosx/tkMacOSXXStubs.c
@@ -142,7 +142,7 @@ TkpOpenDisplay(
static NSRect maxBounds = {{0, 0}, {0, 0}};
static char vendor[25] = "";
NSArray *cgVers;
- NSAutoreleasePool *pool;
+ NSAutoreleasePool *pool = [NSAutoreleasePool new];
if (gMacDisplay != NULL) {
if (strcmp(gMacDisplay->display->display_name, display_name) == 0) {
@@ -166,7 +166,6 @@ TkpOpenDisplay(
display->default_screen = 0;
display->display_name = (char *) macScreenName;
- pool = [NSAutoreleasePool new];
cgVers = [[[NSBundle bundleWithIdentifier:@"com.apple.CoreGraphics"]
objectForInfoDictionaryKey:@"CFBundleShortVersionString"]
componentsSeparatedByString:@"."];
@@ -177,12 +176,25 @@ TkpOpenDisplay(
display->proto_minor_version = [[cgVers objectAtIndex:2] integerValue];
}
if (!vendor[0]) {
- snprintf(vendor, sizeof(vendor), "Apple AppKit %s %g",
- ([NSGarbageCollector defaultCollector] ? "GC" : "RR"),
+ snprintf(vendor, sizeof(vendor), "Apple AppKit %g",
NSAppKitVersionNumber);
}
display->vendor = vendor;
- Gestalt(gestaltSystemVersion, (SInt32 *) &display->release);
+ {
+ int major, minor, patch;
+
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 10100
+ Gestalt(gestaltSystemVersionMajor, (SInt32*)&major);
+ Gestalt(gestaltSystemVersionMinor, (SInt32*)&minor);
+ Gestalt(gestaltSystemVersionBugFix, (SInt32*)&patch);
+#else
+ NSOperatingSystemVersion systemVersion = [[NSProcessInfo processInfo] operatingSystemVersion];
+ major = systemVersion.majorVersion;
+ minor = systemVersion.minorVersion;
+ patch = systemVersion.patchVersion;
+#endif
+ display->release = major << 16 | minor << 8 | patch;
+ }
/*
* These screen bits never change
@@ -669,14 +681,6 @@ XForceScreenSaver(
display->request++;
}
-void
-Tk_FreeXId(
- Display *display,
- XID xid)
-{
- /* no-op function needed for stubs implementation. */
-}
-
int
XSync(
Display *display,
@@ -793,6 +797,10 @@ XCreateImage(
ximage->format = format;
ximage->data = data;
ximage->obdata = NULL;
+ /* The default pixelpower is 0. This must be explicitly set to 1 in the
+ * case of an XImage extracted from a Retina display.
+ */
+ ximage->pixelpower = 0;
if (format == ZPixmap) {
ximage->bits_per_pixel = 32;
@@ -844,7 +852,8 @@ XCreateImage(
* Results:
* Returns a newly allocated XImage containing the data from the given
* rectangle of the given drawable, or NULL if the XImage could not be
- * constructed.
+ * constructed. NOTE: If we are copying from a window on a Retina
+ * display, the dimensions of the XImage will be 2*width x 2*height.
*
* Side effects:
* None.
@@ -864,6 +873,7 @@ XGetImage(
int format)
{
NSBitmapImageRep *bitmap_rep;
+ NSUInteger bitmap_fmt;
XImage * imagePtr = NULL;
char * bitmap = NULL;
char * image_data=NULL;
@@ -872,7 +882,19 @@ XGetImage(
int bitmap_pad = 0;
int bytes_per_row = 4*width;
int size;
- TkMacOSXDbgMsg("XGetImage");
+ MacDrawable *macDraw = (MacDrawable *) d;
+ NSWindow *win = TkMacOSXDrawableWindow(d);
+ /* This code assumes that backing scale factors are integers. Currently
+ * Retina displays use a scale factor of 2.0 and normal displays use 1.0.
+ * We do not support any other values here.
+ */
+ int scalefactor = 1;
+ if (win && [win respondsToSelector:@selector(backingScaleFactor)]) {
+ scalefactor = ([win backingScaleFactor] == 2.0) ? 2 : 1;
+ }
+ int scaled_height = height * scalefactor;
+ int scaled_width = width * scalefactor;
+
if (format == ZPixmap) {
if (width == 0 || height == 0) {
/* This happens all the time.
@@ -881,10 +903,11 @@ XGetImage(
return NULL;
}
- bitmap_rep = BitmapRepFromDrawableRect(d, x, y,width, height);
+ bitmap_rep = BitmapRepFromDrawableRect(d, x, y, width, height);
+ bitmap_fmt = [bitmap_rep bitmapFormat];
if ( bitmap_rep == Nil ||
- [bitmap_rep bitmapFormat] != 0 ||
+ (bitmap_fmt != 0 && bitmap_fmt != 1) ||
[bitmap_rep samplesPerPixel] != 4 ||
[bitmap_rep isPlanar] != 0 ) {
TkMacOSXDbgMsg("XGetImage: Failed to construct NSBitmapRep");
@@ -895,33 +918,51 @@ XGetImage(
NSImage* ns_image = [[NSImage alloc]initWithSize:image_size];
[ns_image addRepresentation:bitmap_rep];
- /* Assume premultiplied nonplanar data with 4 bytes per pixel and alpha last.*/
- if ( [bitmap_rep bitmapFormat] == 0 &&
- [bitmap_rep isPlanar ] == 0 &&
+ /* Assume premultiplied nonplanar data with 4 bytes per pixel.*/
+ if ( [bitmap_rep isPlanar ] == 0 &&
[bitmap_rep samplesPerPixel] == 4 ) {
bytes_per_row = [bitmap_rep bytesPerRow];
- size = bytes_per_row*height;
+ assert(bytes_per_row == 4 * scaled_width);
+ assert([bitmap_rep bytesPerPlane] == bytes_per_row * scaled_height);
+ size = bytes_per_row*scaled_height;
image_data = (char*)[bitmap_rep bitmapData];
if ( image_data ) {
int row, n, m;
bitmap = ckalloc(size);
/*
Oddly enough, the bitmap has the top row at the beginning,
- and the pixels are in BGRA format.
+ and the pixels are in BGRA or ABGR format.
*/
- for (row=0, n=0; row<height; row++, n+=bytes_per_row) {
- for (m=n; m<n+bytes_per_row; m+=4) {
- *(bitmap+m) = *(image_data+m+2);
- *(bitmap+m+1) = *(image_data+m+1);
- *(bitmap+m+2) = *(image_data+m);
- *(bitmap+m+3) = *(image_data+m+3);
+ if (bitmap_fmt == 0) {
+ /* BGRA */
+ for (row=0, n=0; row<scaled_height; row++, n+=bytes_per_row) {
+ for (m=n; m<n+bytes_per_row; m+=4) {
+ *(bitmap+m) = *(image_data+m+2);
+ *(bitmap+m+1) = *(image_data+m+1);
+ *(bitmap+m+2) = *(image_data+m);
+ *(bitmap+m+3) = *(image_data+m+3);
+ }
+ }
+ } else {
+ /* ABGR */
+ for (row=0, n=0; row<scaled_height; row++, n+=bytes_per_row) {
+ for (m=n; m<n+bytes_per_row; m+=4) {
+ *(bitmap+m) = *(image_data+m+3);
+ *(bitmap+m+1) = *(image_data+m+2);
+ *(bitmap+m+2) = *(image_data+m+1);
+ *(bitmap+m+3) = *(image_data+m);
+ }
}
}
}
}
if (bitmap) {
imagePtr = XCreateImage(display, NULL, depth, format, offset,
- (char*)bitmap, width, height, bitmap_pad, bytes_per_row);
+ (char*)bitmap, scaled_width, scaled_height,
+ bitmap_pad, bytes_per_row);
+ if (scalefactor == 2) {
+ imagePtr->pixelpower = 1;
+ }
[ns_image removeRepresentation:bitmap_rep]; /*releases the rep*/
[ns_image release];
}
generated by cgit v0.12 at 2025-02-21 21:20:44 (GMT)