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-rw-r--r--macosx/tkMacOSXXStubs.c149
1 files changed, 92 insertions, 57 deletions
diff --git a/macosx/tkMacOSXXStubs.c b/macosx/tkMacOSXXStubs.c
index 848b49c..5d6ffb9 100644
--- a/macosx/tkMacOSXXStubs.c
+++ b/macosx/tkMacOSXXStubs.c
@@ -9,6 +9,7 @@
* Copyright (c) 1995-1997 Sun Microsystems, Inc.
* Copyright 2001-2009, Apple Inc.
* Copyright (c) 2005-2009 Daniel A. Steffen <das@users.sourceforge.net>
+ * Copyright 2014 Marc Culler.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
@@ -141,7 +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) {
@@ -165,7 +166,6 @@ TkpOpenDisplay(
display->default_screen = 0;
display->display_name = (char *) macScreenName;
- pool = [NSAutoreleasePool new];
cgVers = [[[NSBundle bundleWithIdentifier:@"com.apple.CoreGraphics"]
objectForInfoDictionaryKey:@"CFBundleShortVersionString"]
componentsSeparatedByString:@"."];
@@ -176,12 +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
@@ -782,7 +795,6 @@ XCreateImage(
int bytes_per_line)
{
XImage *ximage;
-
display->request++;
ximage = ckalloc(sizeof(XImage));
@@ -792,6 +804,7 @@ XCreateImage(
ximage->xoffset = offset;
ximage->format = format;
ximage->data = data;
+ ximage->obdata = NULL;
if (format == ZPixmap) {
ximage->bits_per_pixel = 32;
@@ -823,7 +836,6 @@ XCreateImage(
ximage->red_mask = 0x00FF0000;
ximage->green_mask = 0x0000FF00;
ximage->blue_mask = 0x000000FF;
- ximage->obdata = NULL;
ximage->f.create_image = NULL;
ximage->f.destroy_image = DestroyImage;
ximage->f.get_pixel = ImageGetPixel;
@@ -842,8 +854,9 @@ XCreateImage(
* This function copies data from a pixmap or window into an XImage.
*
* Results:
- * Returns a newly allocated image containing the data from the given
- * rectangle of the given drawable.
+ * 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.
*
* Side effects:
* None.
@@ -862,60 +875,84 @@ XGetImage(
unsigned long plane_mask,
int format)
{
- MacDrawable *macDraw = (MacDrawable *) d;
- XImage * imagePtr = NULL;
- Pixmap pixmap = (Pixmap) NULL;
- Tk_Window win = (Tk_Window) macDraw->winPtr;
- GC gc;
- char * data = NULL;
- int depth = 32;
- int offset = 0;
- int bitmap_pad = 0;
- int bytes_per_line = 0;
-
+ NSBitmapImageRep *bitmap_rep;
+ NSUInteger bitmap_fmt;
+ XImage * imagePtr = NULL;
+ char * bitmap = NULL;
+ char * image_data=NULL;
+ int depth = 32;
+ int offset = 0;
+ int bitmap_pad = 0;
+ int bytes_per_row = 4*width;
+ int size;
+ TkMacOSXDbgMsg("XGetImage");
if (format == ZPixmap) {
- if (width > 0 && height > 0) {
- /*
- * Tk_GetPixmap fails for zero width or height.
- */
-
- pixmap = Tk_GetPixmap(display, d, width, height, depth);
+ if (width == 0 || height == 0) {
+ /* This happens all the time.
+ TkMacOSXDbgMsg("XGetImage: empty image requested");
+ */
+ return NULL;
}
- if (win) {
- XGCValues values;
- gc = Tk_GetGC(win, 0, &values);
- } else {
- gc = XCreateGC(display, pixmap, 0, NULL);
+ bitmap_rep = BitmapRepFromDrawableRect(d, x, y,width, height);
+ bitmap_fmt = [bitmap_rep bitmapFormat];
+
+ if ( bitmap_rep == Nil ||
+ (bitmap_fmt != 0 && bitmap_fmt != 1) ||
+ [bitmap_rep samplesPerPixel] != 4 ||
+ [bitmap_rep isPlanar] != 0 ) {
+ TkMacOSXDbgMsg("XGetImage: Failed to construct NSBitmapRep");
+ return NULL;
}
- if (pixmap) {
- CGContextRef context;
-
- XCopyArea(display, d, pixmap, gc, x, y, width, height, 0, 0);
- context = ((MacDrawable *) pixmap)->context;
- if (context) {
- data = CGBitmapContextGetData(context);
- bytes_per_line = CGBitmapContextGetBytesPerRow(context);
+
+ NSSize image_size = NSMakeSize(width, height);
+ NSImage* ns_image = [[NSImage alloc]initWithSize:image_size];
+ [ns_image addRepresentation:bitmap_rep];
+
+ /* 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;
+ 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 or ABGR format.
+ */
+ if (bitmap_fmt == 0) {
+ /* BGRA */
+ 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);
+ }
+ }
+ } else {
+ /* ABGR */
+ 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+3);
+ *(bitmap+m+1) = *(image_data+m+2);
+ *(bitmap+m+2) = *(image_data+m+1);
+ *(bitmap+m+3) = *(image_data+m);
+ }
+ }
+ }
}
}
- if (data) {
+ if (bitmap) {
imagePtr = XCreateImage(display, NULL, depth, format, offset,
- data, width, height, bitmap_pad, bytes_per_line);
-
- /*
- * Track Pixmap underlying the XImage in the unused obdata field
- * so that we can treat XImages coming from XGetImage specially.
- */
-
- imagePtr->obdata = (XPointer) pixmap;
- } else if (pixmap) {
- Tk_FreePixmap(display, pixmap);
- }
- if (!win) {
- XFreeGC(display, gc);
+ (char*)bitmap, width, height, bitmap_pad, bytes_per_row);
+ [ns_image removeRepresentation:bitmap_rep]; /*releases the rep*/
+ [ns_image release];
}
} else {
- TkMacOSXDbgMsg("Invalid image format");
+ TkMacOSXDbgMsg("Could not extract image from drawable.");
}
return imagePtr;
}
@@ -941,9 +978,7 @@ DestroyImage(
XImage *image)
{
if (image) {
- if (image->obdata) {
- Tk_FreePixmap((Display*) gMacDisplay, (Pixmap) image->obdata);
- } else if (image->data) {
+ if (image->data) {
ckfree(image->data);
}
ckfree(image);
generated by cgit v0.12 at 2024-07-09 08:17:58 (GMT)