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    HTML5 Canvas Notes for Professionals book

    Amazing collection of free programming books

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    Amazing collection of free programming books

    The Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow. Text content is released under Creative Commons BY-SA. See credits at the end of this book whom contributed to the various chapters. Images may be copyright of their respective owners unless otherwise specified

    Book created for educational purposes and is not affiliated with group(s), company(s) nor Stack Overflow. All trademarks belong to their respective company owners

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    章節目錄

    • 1-1
      Content list
    • 1-2
      About
    • 1-3
      Chapter 1: Getting started with HTML5 Canvas
    • 1-4
      Section 1.1: Detecting mouse position on the canvas
    • 1-5
      Section 1.2: Canvas size and resolution
    • 1-6
      Section 1.3: Rotate
    • 1-7
      Section 1.4: Save canvas to image file
    • 1-8
      Section 1.5: How to add the Html5 Canvas Element to a webpage
    • 1-9
      Section 1.6: An index to Html5 Canvas Capabilities & Uses
    • 1-10
      Section 1.7: O screen canvas
    • 1-11
      Section 1.8: Hello World
    • 1-12
      Chapter 2: Text
    • 1-13
      Section 2.1: Justified text
    • 1-14
      Section 2.2: Justified paragraphs
    • 1-15
      Section 2.3: Rendering text along an arc
    • 1-16
      Section 2.4: Text on curve, cubic and quadratic beziers
    • 1-17
      Section 2.5: Drawing Text
    • 1-18
      Section 2.6: Formatting Text
    • 1-19
      Section 2.7: Wrapping text into paragraphs
    • 1-20
      Section 2.8: Draw text paragraphs into irregular shapes
    • 1-21
      Section 2.9: Fill text with an image
    • 1-22
      Chapter 3: Polygons
    • 1-23
      Section 3.1: Render a rounded polygon
    • 1-24
      Section 3.2: Stars
    • 1-25
      Section 3.3: Regular Polygon
    • 1-26
      Chapter 4: Images
    • 1-27
      Section 4.1: Is "context.drawImage" not displaying the image on the Canvas?
    • 1-28
      Section 4.2: The Tained canvas
    • 1-29
      Section 4.3: Image cropping using canvas
    • 1-30
      Section 4.4: Scaling image to fit or fill
    • 1-31
      Chapter 5: Path (Syntax only)
    • 1-32
      Section 5.1: createPattern (creates a path styling object)
    • 1-33
      Section 5.2: stroke (a path command)
    • 1-34
      Section 5.3: fill (a path command)
    • 1-35
      Section 5.4: clip (a path command)
    • 1-36
      Section 5.5: Overview of the basic path drawing commands: lines and curves
    • 1-37
      Section 5.6: lineTo (a path command)
    • 1-38
      Section 5.7: arc (a path command)
    • 1-39
      Section 5.8: quadraticCurveTo (a path command)
    • 1-40
      Section 5.9: bezierCurveTo (a path command)
    • 1-41
      Section 5.10: arcTo (a path command)
    • 1-42
      Section 5.11: rect (a path command)
    • 1-43
      Section 5.12: closePath (a path command)
    • 1-44
      Section 5.13: beginPath (a path command)
    • 1-45
      Section 5.14: lineCap (a path styling attribute)
    • 1-46
      Section 5.15: lineJoin (a path styling attribute)
    • 1-47
      Section 5.16: strokeStyle (a path styling attribute)
    • 1-48
      Section 5.17: fillStyle (a path styling attribute)
    • 1-49
      Section 5.18: lineWidth (A path styling attribute)
    • 1-50
      Section 5.19: shadowColor, shadowBlur, shadowOsetX, shadowOsetY (path styling attributes)
    • 1-51
      Section 5.20: createLinearGradient (creates a path styling object)
    • 1-52
      Section 5.21: createRadialGradient (creates a path styling object)
    • 1-53
      Chapter 6: Paths
    • 1-54
      Section 6.1: Ellipse
    • 1-55
      Section 6.2: Line without blurryness
    • 1-56
      Chapter 7: Navigating along a Path
    • 1-57
      Section 7.1: Find point on curve
    • 1-58
      Section 7.2: Finding extent of Quadratic Curve
    • 1-59
      Section 7.3: Finding points along a cubic Bezier curve
    • 1-60
      Section 7.4: Finding points along a quadratic curve
    • 1-61
      Section 7.5: Finding points along a line
    • 1-62
      Section 7.6: Finding points along an entire Path containing curves and lines
    • 1-63
      Section 7.7: Split bezier curves at position
    • 1-64
      Section 7.8: Trim bezier curve
    • 1-65
      Section 7.9: Length of a Cubic Bezier Curve (a close approximation)
    • 1-66
      Section 7.10: Length of a Quadratic Curve
    • 1-67
      Chapter 8: Dragging Path Shapes & Images on Canvas
    • 1-68
      Section 8.1: How shapes & images REALLY(!) "move" on the Canvas
    • 1-69
      Section 8.2: Dragging circles & rectangles around the Canvas
    • 1-70
      Section 8.3: Dragging irregular shapes around the Canvas
    • 1-71
      Section 8.4: Dragging images around the Canvas
    • 1-72
      Chapter 9: Media types and the canvas
    • 1-73
      Section 9.1: Basic loading and playing a video on the canvas
    • 1-74
      Section 9.2: Capture canvas and Save as webM video
    • 1-75
      Section 9.3: Drawing an svg image
    • 1-76
      Section 9.4: Loading and displaying an Image
    • 1-77
      Chapter 10: Animation
    • 1-78
      Section 10.1: Use requestAnimationFrame() NOT setInterval() for animation loops
    • 1-79
      Section 10.2: Animate an image across the Canvas
    • 1-80
      Section 10.3: Set frame rate using requestAnimationFrame
    • 1-81
      Section 10.4: Easing using Robert Penners equations
    • 1-82
      Section 10.5: Animate at a specified interval (add a new rectangle every 1 second)
    • 1-83
      Section 10.6: Animate at a specified time (an animated clock)
    • 1-84
      Section 10.7: Don't draw animations in your event handlers (a simple sketch app)
    • 1-85
      Section 10.8: Simple animation with 2D context and requestAnimationFrame
    • 1-86
      Section 10.9: Animate from [x0,y0] to [x1,y1]
    • 1-87
      Chapter 11: Collisions and Intersections
    • 1-88
      Section 11.1: Are 2 circles colliding?
    • 1-89
      Section 11.2: Are 2 rectangles colliding?
    • 1-90
      Section 11.3: Are a circle and rectangle colliding?
    • 1-91
      Section 11.4: Are 2 line segments intercepting?
    • 1-92
      Section 11.5: Are a line segment and circle colliding?
    • 1-93
      Section 11.6: Are line segment and rectangle colliding?
    • 1-94
      Section 11.7: Are 2 convex polygons colliding?
    • 1-95
      Section 11.8: Are 2 polygons colliding? (both concave and convex polys are allowed)
    • 1-96
      Section 11.9: Is an X,Y point inside an arc?
    • 1-97
      Section 11.10: Is an X,Y point inside a wedge?
    • 1-98
      Section 11.11: Is an X,Y point inside a circle?
    • 1-99
      Section 11.12: Is an X,Y point inside a rectangle?
    • 1-100
      Chapter 12: Clearing the screen
    • 1-101
      Section 12.1: Rectangles
    • 1-102
      Section 12.2: Clear canvas with gradient
    • 1-103
      Section 12.3: Clear canvas using composite operation
    • 1-104
      Section 12.4: Raw image data
    • 1-105
      Section 12.5: Complex shapes
    • 1-106
      Chapter 13: Responsive Design
    • 1-107
      Section 13.1: Creating a responsive full page canvas
    • 1-108
      Section 13.2: Mouse coordinates after resizing (or scrolling)
    • 1-109
      Section 13.3: Responsive canvas animations without resize events
    • 1-110
      Chapter 14: Shadows
    • 1-111
      Section 14.1: Sticker eect using shadows
    • 1-112
      Section 14.2: How to stop further shadowing
    • 1-113
      Section 14.3: Shadowing is computationally expensive -- Cache that shadow!
    • 1-114
      Section 14.4: Add visual depth with shadows
    • 1-115
      Section 14.5: Inner shadows
    • 1-116
      Chapter 15: Charts & Diagrams
    • 1-117
      Section 15.1: Pie Chart with Demo
    • 1-118
      Section 15.2: Line with arrowheads
    • 1-119
      Section 15.3: Cubic & Quadratic Bezier curve with arrowheads
    • 1-120
      Section 15.4: Wedge
    • 1-121
      Section 15.5: Arc with both fill and stroke
    • 1-122
      Chapter 16: Transformations
    • 1-123
      Section 16.1: Rotate an Image or Path around it's centerpoint
    • 1-124
      Section 16.2: Drawing many translated, scaled, and rotated images quickly
    • 1-125
      Section 16.3: Introduction to Transformations
    • 1-126
      Section 16.4: A Transformation Matrix to track translated, rotated & scaled shape(s)
    • 1-127
      Chapter 17: Compositing
    • 1-128
      Section 17.1: Draw behind existing shapes with "destination-over"
    • 1-129
      Section 17.2: Erase existing shapes with "destination-out"
    • 1-130
      Section 17.3: Default compositing: New shapes are drawn over Existing shapes
    • 1-131
      Section 17.4: Clip images inside shapes with "destination-in"
    • 1-132
      Section 17.5: Clip images inside shapes with "source-in"
    • 1-133
      Section 17.6: Inner shadows with "source-atop"
    • 1-134
      Section 17.7: Change opacity with "globalAlpha"
    • 1-135
      Section 17.8: Invert or Negate image with "dierence"
    • 1-136
      Section 17.9: Black & White with "color"
    • 1-137
      Section 17.10: Increase the color contrast with "saturation"
    • 1-138
      Section 17.11: Sepia FX with "luminosity"
    • 1-139
      Chapter 18: Pixel Manipulation with "getImageData" and "putImageData"
    • 1-140
      Section 18.1: Introduction to "context.getImageData"
    • 1-141
      Credits
    • 1-142
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