1 files changed, 104 insertions, 0 deletions
diff --git a/frontends/cocoa/coordinates.h b/frontends/cocoa/coordinates.h
new file mode 100644
index 000000000..516df437b
--- /dev/null
+++ b/frontends/cocoa/coordinates.h
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2011 Sven Weidauer <sven.weidauer@gmail.com>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef COCOA_COORDINATES_H
+#define COCOA_COORDINATES_H
+
+extern CGFloat cocoa_scale_factor;
+
+static inline CGFloat cocoa_px_to_pt(int location) __attribute__((always_inline, pure));
+static inline CGFloat cocoa_px_to_pt_f(CGFloat location) __attribute__((always_inline, pure));
+
+static inline int cocoa_pt_to_px(CGFloat location) __attribute__((always_inline, pure));
+
+static inline NSPoint cocoa_point(int x, int y) __attribute__((always_inline, pure));
+static inline NSPoint cocoa_scaled_point(CGFloat scale, int x, int y) __attribute__((always_inline, pure));
+
+static inline NSSize cocoa_size(int w, int h) __attribute__((always_inline, pure));
+static inline NSSize cocoa_scaled_size(CGFloat scale, int w, int h) __attribute__((always_inline, pure));
+
+static inline NSRect cocoa_rect(int x0, int y0, int x1, int y1) __attribute__((always_inline, pure));
+static inline NSRect cocoa_rect_wh(int x, int y, int w, int h) __attribute__((always_inline, pure));
+
+static inline NSRect cocoa_scaled_rect(CGFloat scale, int x0, int y0, int x1, int y1) __attribute__((always_inline, pure));
+static inline NSRect cocoa_scaled_rect_wh(CGFloat scale, int x, int y, int w, int h) __attribute__((always_inline, pure));
+
+static inline CGFloat cocoa_px_to_pt(int location)
+{
+    return (CGFloat)location * cocoa_scale_factor;
+}
+
+static inline CGFloat cocoa_px_to_pt_f(CGFloat location)
+{
+    return floor(location) * cocoa_scale_factor;
+}
+
+static inline int cocoa_pt_to_px(CGFloat location)
+{
+    return location / cocoa_scale_factor;
+}
+
+static inline NSPoint cocoa_point(int x, int y)
+{
+    return NSMakePoint(cocoa_px_to_pt(x), cocoa_px_to_pt(y));
+}
+
+static inline NSPoint cocoa_scaled_point(CGFloat scale, int x, int y)
+{
+    return NSMakePoint(cocoa_px_to_pt_f(scale * x), cocoa_px_to_pt_f(scale * y));
+}
+
+static inline NSSize cocoa_size(int w, int h)
+{
+    return NSMakeSize(cocoa_px_to_pt(w), cocoa_px_to_pt(h));
+}
+
+static inline NSSize cocoa_scaled_size(CGFloat scale, int w, int h)
+{
+    return NSMakeSize(cocoa_px_to_pt_f(scale * w), cocoa_px_to_pt_f(scale * h));
+}
+
+static inline NSRect cocoa_rect(int x0, int y0, int x1, int y1)
+{
+    return cocoa_rect_wh(x0, y0, x1 - x0, y1 - y0);
+}
+
+static inline NSRect cocoa_rect_wh(int x, int y, int w, int h)
+{
+    const NSRect result = {
+        .origin = cocoa_point(x, y),
+        .size = cocoa_size(w, h)
+    };
+    return result;
+}
+
+static inline NSRect cocoa_scaled_rect_wh(CGFloat scale, int x, int y, int w, int h)
+{
+    const NSRect result = {
+        .origin = cocoa_scaled_point(scale, x, y),
+        .size = cocoa_scaled_size(scale, w, h)
+    };
+    return result;
+}
+
+static inline NSRect cocoa_scaled_rect(CGFloat scale, int x0, int y0, int x1, int y1)
+{
+    return cocoa_scaled_rect_wh(scale, x0, y0, x1 - x0, y1 - y0);
+}
+
+#endif