public UIFont ResizeAlternative(UIFont font)
{
var attributes = new UIFontAttributes(new UIFontFeature((CTFontFeatureCharacterAlternatives.Selector) 1));
var newDesc = font.FontDescriptor.CreateWithAttributes(attributes);
return(UIFont.FromDescriptor(newDesc, 40));
}
public UIFont ResizeProportional(UIFont font)
{
var attributes = new UIFontAttributes(new UIFontFeature(CTFontFeatureNumberSpacing.Selector.ProportionalNumbers));
var newDesc = font.FontDescriptor.CreateWithAttributes(attributes);
return(UIFont.FromDescriptor(newDesc, 40));
}
public UIFont ResizeProportionalAndAlternative (UIFont font)
{
var attributes = new UIFontAttributes (
new UIFontFeature (CTFontFeatureNumberSpacing.Selector.ProportionalNumbers),
new UIFontFeature ((CTFontFeatureCharacterAlternatives.Selector)1));
var newDesc = font.FontDescriptor.CreateWithAttributes (attributes);
return UIFont.FromDescriptor (newDesc, 40);
}
public UIFont ResizeProportionalAndAlternative(UIFont font)
{
var attributes = new UIFontAttributes(
new UIFontFeature(CTFontFeatureNumberSpacing.Selector.ProportionalNumbers),
new UIFontFeature((CTFontFeatureCharacterAlternatives.Selector) 1));
var newDesc = font.FontDescriptor.CreateWithAttributes(attributes);
return(UIFont.FromDescriptor(newDesc, 40));
}
void drawLabel(CGContext ctx, CGRect rect, nfloat yCoord, nfloat xCoord, UITextAlignment alignment, string label, bool flipContext = true, bool centerVertical = false)
{
// Draw light the sunrise and Sunset labels at the ends of the light box
using (UIColor fontColor = UIColor.White, shadowColor = UIColor.Black.ColorWithAlpha(0.1f)) {
var fontAttributes = new UIFontAttributes(new UIFontFeature(CTFontFeatureNumberSpacing.Selector.ProportionalNumbers));
using (var desc = UIFont.SystemFontOfSize(fontSize).FontDescriptor.CreateWithAttributes(fontAttributes)) {
using (UIFont font = UIFont.FromDescriptor(desc, fontSize)) {
// calculating the range of our attributed string
var range = new NSRange(0, label.Length);
// set justification for text block
using (var alignStyle = new NSMutableParagraphStyle {
Alignment = alignment
}) {
// add stylistic attributes to out attributed string
var stringAttributes = new UIStringAttributes {
ForegroundColor = fontColor,
Font = font,
ParagraphStyle = alignStyle
};
var target = new CGSize(float.MaxValue, float.MaxValue);
NSRange fit;
using (NSMutableAttributedString attrString = new NSMutableAttributedString(label, stringAttributes)) {
//creating a container for out attributed string
using (CTFramesetter framesetter = new CTFramesetter(attrString)) {
CGSize frameSize = framesetter.SuggestFrameSize(range, null, target, out fit);
if (alignment == UITextAlignment.Center)
{
xCoord -= (frameSize.Width / 2);
}
if (alignment == UITextAlignment.Right)
{
xCoord -= frameSize.Width;
}
// subtract the frameSize so the flipped context behaves as expected
yCoord -= frameSize.Height;
if (centerVertical)
{
yCoord += (frameSize.Height / 2);
}
var textRect = new CGRect(xCoord, yCoord, frameSize.Width, frameSize.Height);
using (CGPath path = new CGPath()) {
path.AddRect(textRect);
ctx.SetShadow(new CGSize(0.0f, 1.0f), 0.0f, shadowColor.CGColor);
using (CTFrame frame = framesetter.GetFrame(range, path, null)) {
if (flipContext)
{
ctx.SaveState();
ctx.TranslateCTM(0, rect.Height);
ctx.ScaleCTM(1, -1);
frame.Draw(ctx);
ctx.RestoreState();
}
else
{
frame.Draw(ctx);
}
}
}
}
}
}
}
}
}
}
public UIFont ResizeAlternative (UIFont font)
{
var attributes = new UIFontAttributes (new UIFontFeature ((CTFontFeatureCharacterAlternatives.Selector)1));
var newDesc = font.FontDescriptor.CreateWithAttributes (attributes);
return UIFont.FromDescriptor (newDesc, 40);
}
public UIFont ResizeProportional (UIFont font)
{
var attributes = new UIFontAttributes (new UIFontFeature (CTFontFeatureNumberSpacing.Selector.ProportionalNumbers));
var newDesc = font.FontDescriptor.CreateWithAttributes (attributes);
return UIFont.FromDescriptor (newDesc, 40);
}
void drawLabel (CGContext ctx, CGRect rect, nfloat yCoord, nfloat xCoord, UITextAlignment alignment, string label, bool flipContext = true, bool centerVertical = false)
{
// Draw light the sunrise and Sunset labels at the ends of the light box
using (UIColor fontColor = UIColor.White, shadowColor = UIColor.Black.ColorWithAlpha (0.1f)) {
var fontAttributes = new UIFontAttributes (new UIFontFeature (CTFontFeatureNumberSpacing.Selector.ProportionalNumbers));
using (var desc = UIFont.SystemFontOfSize (fontSize).FontDescriptor.CreateWithAttributes (fontAttributes)) {
using (UIFont font = UIFont.FromDescriptor (desc, fontSize)) {
// calculating the range of our attributed string
var range = new NSRange (0, label.Length);
// set justification for text block
using (var alignStyle = new NSMutableParagraphStyle { Alignment = alignment }) {
// add stylistic attributes to out attributed string
var stringAttributes = new UIStringAttributes {
ForegroundColor = fontColor,
Font = font,
ParagraphStyle = alignStyle
};
var target = new CGSize (float.MaxValue, float.MaxValue);
NSRange fit;
using (NSMutableAttributedString attrString = new NSMutableAttributedString (label, stringAttributes)) {
//creating a container for out attributed string
using (CTFramesetter framesetter = new CTFramesetter (attrString)) {
CGSize frameSize = framesetter.SuggestFrameSize (range, null, target, out fit);
if (alignment == UITextAlignment.Center) xCoord -= (frameSize.Width / 2);
if (alignment == UITextAlignment.Right) xCoord -= frameSize.Width;
// subtract the frameSize so the flipped context behaves as expected
yCoord -= frameSize.Height;
if (centerVertical) yCoord += (frameSize.Height / 2);
var textRect = new CGRect (xCoord, yCoord, frameSize.Width, frameSize.Height);
using (CGPath path = new CGPath ()) {
path.AddRect (textRect);
ctx.SetShadow (new CGSize (0.0f, 1.0f), 0.0f, shadowColor.CGColor);
using (CTFrame frame = framesetter.GetFrame (range, path, null)) {
if (flipContext) {
ctx.SaveState ();
ctx.TranslateCTM (0, rect.Height);
ctx.ScaleCTM (1, -1);
frame.Draw (ctx);
ctx.RestoreState ();
} else {
frame.Draw (ctx);
}
}
}
}
}
}
}
}
}
}
