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why-cant-we-deploy-today
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2x playback controls for retina displays

This commit is contained in:
Hakim El Hattab 2015-11-19 15:39:29 +01:00
parent c8319b9b1a
commit 0e763c7171
1 changed files with 10 additions and 8 deletions
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18
js/reveal.js
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@ -4366,8 +4366,8 @@
function Playback( container, progressCheck ) { function Playback( container, progressCheck ) {
// Cosmetics // Cosmetics
this.diameter = 50; this.diameter = 100;
this.thickness = 3; this.thickness = 6;
// Flags if we are currently playing // Flags if we are currently playing
this.playing = false; this.playing = false;
@ -4385,6 +4385,8 @@
this.canvas.className = 'playback'; this.canvas.className = 'playback';
this.canvas.width = this.diameter; this.canvas.width = this.diameter;
this.canvas.height = this.diameter; this.canvas.height = this.diameter;
this.canvas.style.width = this.diameter/2 + 'px';
this.canvas.style.height = this.diameter/2 + 'px';
this.context = this.canvas.getContext( '2d' ); this.context = this.canvas.getContext( '2d' );
this.container.appendChild( this.canvas ); this.container.appendChild( this.canvas );
@ -4438,7 +4440,7 @@
radius = ( this.diameter / 2 ) - this.thickness, radius = ( this.diameter / 2 ) - this.thickness,
x = this.diameter / 2, x = this.diameter / 2,
y = this.diameter / 2, y = this.diameter / 2,
iconSize = 14; iconSize = 28;
// Ease towards 1 // Ease towards 1
this.progressOffset += ( 1 - this.progressOffset ) * 0.1; this.progressOffset += ( 1 - this.progressOffset ) * 0.1;
@ -4451,7 +4453,7 @@
// Solid background color // Solid background color
this.context.beginPath(); this.context.beginPath();
this.context.arc( x, y, radius + 2, 0, Math.PI * 2, false ); this.context.arc( x, y, radius + 4, 0, Math.PI * 2, false );
this.context.fillStyle = 'rgba( 0, 0, 0, 0.4 )'; this.context.fillStyle = 'rgba( 0, 0, 0, 0.4 )';
this.context.fill(); this.context.fill();
@ -4476,14 +4478,14 @@
// Draw play/pause icons // Draw play/pause icons
if( this.playing ) { if( this.playing ) {
this.context.fillStyle = '#fff'; this.context.fillStyle = '#fff';
this.context.fillRect( 0, 0, iconSize / 2 - 2, iconSize ); this.context.fillRect( 0, 0, iconSize / 2 - 4, iconSize );
this.context.fillRect( iconSize / 2 + 2, 0, iconSize / 2 - 2, iconSize ); this.context.fillRect( iconSize / 2 + 4, 0, iconSize / 2 - 4, iconSize );
} }
else { else {
this.context.beginPath(); this.context.beginPath();
this.context.translate( 2, 0 ); this.context.translate( 4, 0 );
this.context.moveTo( 0, 0 ); this.context.moveTo( 0, 0 );
this.context.lineTo( iconSize - 2, iconSize / 2 ); this.context.lineTo( iconSize - 4, iconSize / 2 );
this.context.lineTo( 0, iconSize ); this.context.lineTo( 0, iconSize );
this.context.fillStyle = '#fff'; this.context.fillStyle = '#fff';
this.context.fill(); this.context.fill();