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Flesh out some more name-attribute getters in CTFontDescriptor.

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This commit is contained in:
Brian J. Burg
2012-11-08 16:21:56 -08:00
parent c1450887c2
commit aa6fb82a73
1 changed files with 56 additions and 30 deletions
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font_descriptor.rs
+56 -30
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@@ -115,14 +115,35 @@ pub impl CTFontDescriptor : AbstractCFType<CTFontDescriptorRef> {
}
pub impl CTFontDescriptor {
fn family_name() -> ~str {
let value = CTFontDescriptorCopyAttribute(self.obj, kCTFontDisplayNameAttribute);
// family name should never be null.
assert value.is_not_null();
assert CFGetTypeID(value) == CFStringGetTypeID();
priv fn get_string_attribute(attribute: CFStringRef) -> Option<~str> {
let value = CTFontDescriptorCopyAttribute(self.obj, attribute);
if value.is_null() {
return None;
}
let name : CFString = cf::base::wrap(value as CFStringRef);
return name.to_str();
assert CFGetTypeID(value) == CFStringGetTypeID();
let cfstr: CFString = cf::base::wrap(value as CFStringRef);
return Some(cfstr.to_str());
}
fn family_name() -> ~str {
let value = self.get_string_attribute(kCTFontDisplayNameAttribute);
return option::expect(move value, ~"A font must have a non-null font family name.");
}
fn font_name() -> ~str {
let value = self.get_string_attribute(kCTFontNameAttribute);
return option::expect(move value, ~"A font must have a non-null name.");
}
fn style_name() -> ~str {
let value = self.get_string_attribute(kCTFontStyleNameAttribute);
return option::expect(move value, ~"A font must have a non-null style name.");
}
fn display_name() -> ~str {
let value = self.get_string_attribute(kCTFontDisplayNameAttribute);
return move option::expect(move value, ~"A font must have a non-null display name.");
}
fn font_path() -> ~str {
@@ -137,6 +158,9 @@ pub impl CTFontDescriptor {
pub fn debug_descriptor(desc: &CTFontDescriptor) {
io::println(fmt!("family: %s", desc.family_name()));
io::println(fmt!("name: %s", desc.font_name()));
io::println(fmt!("style: %s", desc.style_name()));
io::println(fmt!("display: %s", desc.display_name()));
io::println(fmt!("path: %s", desc.font_path()));
desc.show();
}
@@ -156,29 +180,31 @@ extern {
* CTFontDescriptor.h
*/
// font attribute constants
const kCTFontURLAttribute: CFStringRef;
const kCTFontNameAttribute: CFStringRef;
const kCTFontDisplayNameAttribute: CFStringRef;
const kCTFontFamilyNameAttribute: CFStringRef;
const kCTFontStyleNameAttribute: CFStringRef;
const kCTFontTraitsAttribute: CFStringRef;
const kCTFontVariationAttribute: CFStringRef;
const kCTFontSizeAttribute: CFStringRef;
const kCTFontMatrixAttribute: CFStringRef;
const kCTFontCascadeListAttribute: CFStringRef;
const kCTFontCharacterSetAttribute: CFStringRef;
const kCTFontLanguagesAttribute: CFStringRef;
const kCTFontBaselineAdjustAttribute: CFStringRef;
const kCTFontMacintoshEncodingsAttribute: CFStringRef;
const kCTFontFeaturesAttribute: CFStringRef;
const kCTFontFeatureSettingsAttribute: CFStringRef;
const kCTFontFixedAdvanceAttribute: CFStringRef;
const kCTFontOrientationAttribute: CFStringRef;
const kCTFontFormatAttribute: CFStringRef;
const kCTFontRegistrationScopeAttribute: CFStringRef;
const kCTFontPriorityAttribute: CFStringRef;
const kCTFontEnabledAttribute: CFStringRef;
// font attribute constants. Note that the name-related attributes
// here are somewhat flaky. Servo creates CTFont instances and
// then uses CTFontCopyName to get more fine-grained names.
const kCTFontURLAttribute: CFStringRef; // value: CFURLRef
const kCTFontNameAttribute: CFStringRef; // value: CFStringRef
const kCTFontDisplayNameAttribute: CFStringRef; // value: CFStringRef
const kCTFontFamilyNameAttribute: CFStringRef; // value: CFStringRef
const kCTFontStyleNameAttribute: CFStringRef; // value: CFStringRef
const kCTFontTraitsAttribute: CFStringRef;
const kCTFontVariationAttribute: CFStringRef;
const kCTFontSizeAttribute: CFStringRef;
const kCTFontMatrixAttribute: CFStringRef;
const kCTFontCascadeListAttribute: CFStringRef;
const kCTFontCharacterSetAttribute: CFStringRef;
const kCTFontLanguagesAttribute: CFStringRef;
const kCTFontBaselineAdjustAttribute: CFStringRef;
const kCTFontMacintoshEncodingsAttribute: CFStringRef;
const kCTFontFeaturesAttribute: CFStringRef;
const kCTFontFeatureSettingsAttribute: CFStringRef;
const kCTFontFixedAdvanceAttribute: CFStringRef;
const kCTFontOrientationAttribute: CFStringRef;
const kCTFontFormatAttribute: CFStringRef;
const kCTFontRegistrationScopeAttribute: CFStringRef;
const kCTFontPriorityAttribute: CFStringRef;
const kCTFontEnabledAttribute: CFStringRef;
fn CTFontDescriptorCopyAttribute(descriptor: CTFontDescriptorRef, attribute: CFStringRef) -> CFTypeRef;
fn CTFontDescriptorCopyAttributes(descriptor: CTFontDescriptorRef) -> CFDictionaryRef;