Line data    Source code

       1           0 : /*
       2             : 
       3             : OOJSFont.m
       4             : 
       5             : 
       6             : Copyright (C) 2011-2013 Jens Ayton
       7             : 
       8             : Permission is hereby granted, free of charge, to any person obtaining a copy
       9             : of this software and associated documentation files (the "Software"), to deal
      10             : in the Software without restriction, including without limitation the rights
      11             : to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      12             : copies of the Software, and to permit persons to whom the Software is
      13             : furnished to do so, subject to the following conditions:
      14             : 
      15             : The above copyright notice and this permission notice shall be included in all
      16             : copies or substantial portions of the Software.
      17             : 
      18             : THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      19             : IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      20             : FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      21             : AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      22             : LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      23             : OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
      24             : SOFTWARE.
      25             : 
      26             : */
      27             : 
      28             : #import "OOJSFont.h"
      29             : #import "OOJavaScriptEngine.h"
      30             : #import "HeadUpDisplay.h"
      31             : 
      32             : 
      33             : static JSBool FontMeasureString(JSContext *context, uintN argc, jsval *vp);
      34             : 
      35             : 
      36             : // MARK: Public
      37             : 
      38           0 : void InitOOJSFont(JSContext *context, JSObject *global)
      39             : {
      40             :         JSObject *fontObject = JS_DefineObject(context, global, "defaultFont", NULL, NULL, OOJS_PROP_READONLY);
      41             :         JS_DefineFunction(context, fontObject, "measureString", FontMeasureString, 1, OOJS_METHOD_READONLY);
      42             : }
      43             : 
      44             : 
      45             : // MARK: Methods
      46             : 
      47           0 : static JSBool FontMeasureString(JSContext *context, uintN argc, jsval *vp)
      48             : {
      49             :         OOJS_NATIVE_ENTER(context)
      50             :         
      51             :         if (EXPECT_NOT(argc < 1) || JSVAL_IS_VOID(OOJS_ARGV[0]))
      52             :         {
      53             :                 jsval undefined = JSVAL_VOID;
      54             :                 OOJSReportBadArguments(context, nil, @"defaultFont.measureString", MIN(argc, 1U), &undefined, nil, @"string");
      55             :                 return NO;
      56             :         }
      57             :         
      58             :         OOJS_RETURN_DOUBLE(OOStringWidthInEm(OOStringFromJSValue(context, OOJS_ARGV[0])));
      59             :         
      60             :         OOJS_NATIVE_EXIT
      61             : }