rbCanvasでは、各メソッドなどで使用するための定数(キーワード)として
下記のものが定義されています。
| 定数(キーワード)名 | 値 | 備考 |
|---|---|---|
| # Rendering(createCanvas) | ||
| P2D | 'p2d' | |
| WEBGL | 'webgl' | |
| # | ||
| PI | 3.14159265358979323846 | |
| HALF_PI | PI / 2.0 | |
| QUARTER_PI | PI / 4.0 | |
| TWO_PI | PI * 2.0 | |
| TAU | PI * 2.0 | |
| DEGREES | 'degrees' | |
| RADIANS | 'radians' | |
| # Environment(cursor) | ||
| ARROW | 'default' | |
| CROSS | 'crosshair' | |
| HAND | 'pointer' | |
| MOVE | 'move' | |
| TEXT | 'text' | |
| WAIT | 'wait' | |
| # Color(colorMode) | ||
| RGB | 'rgb' | |
| HSB | 'hsb' | |
| HSL | 'hsl' | |
| # Rendering(blendMode) | ||
| BLEND | 'source-over' | |
| ADD | 'lighter' | |
| DARKEST | 'darken' | |
| LIGHTEST | 'lighten' | |
| DIFFERENCE | 'difference' | |
| EXCLUSION | 'exclusion' | |
| MULTIPLY | 'multiply' | |
| SCREEN | 'screen' | |
| REPLACE | 'copy' | |
| REMOVE | 'destination-out' | |
| OVERLAY | 'overlay' | |
| HARD_LIGHT | 'hard-light' | |
| SOFT_LIGHT | 'soft-light' | |
| DODGE | 'color-dodge' | |
| BURN | 'color-burn' | |
| SUBTRACT | 'subtract' | |
| # Image(blend) | ||
| BLEND | 'source-over' | |
| DARKEST | 'darken' | |
| LIGHTEST | 'lighten' | |
| DIFFERENCE | 'difference' | |
| MULTIPLY | 'multiply' | |
| EXCLUSION | 'exclusion' | |
| SCREEN | 'screen' | |
| REPLACE | 'copy' | |
| OVERLAY | 'overlay' | |
| HARD_LIGHT | 'hard-light' | |
| SOFT_LIGHT | 'soft-light' | |
| DODGE | 'color-dodge' | |
| BURN | 'color-burn' | |
| ADD | 'lighter' | |
| NORMAL | 'normal' | |
| # Image(filter) | ||
| THRESHOLD | 'threshold' | |
| GRAY | 'gray' | |
| OPAQUE | 'opaque' | |
| INVERT | 'invert' | |
| POSTERIZE | 'posterize' | |
| BLUR | 'blur' | |
| ERODE | 'erode' | |
| DILATE | 'dilate' | |
| # Shape, Image | ||
| CORNER | 'corner' | |
| CORNERS | 'corners' | |
| CENTER | 'center' | |
| RADIUS | 'radius' | |
| # Shape(arc) | ||
| OPEN | 'open' | |
| CHORD | 'chord' | |
| PIE | 'pie' | |
| # Shape(begin, end) | ||
| POINTS | 0 | |
| LINES | 1 | |
| TRIANGLES | 4 | |
| TRIANGLE_STRIP | 5 | |
| TRIANGLE_FAN | 6 | |
| QUADS | 'quads' | |
| QUAD_STRIP | 'quad_strip' | |
| TESS | 'tess' | |
| CLOSE | 'close' | |
| # Shape(stroke) | ||
| ROUND | 'round' | |
| SQUARE | 'butt' | |
| PROJECT | 'square' | |
| MITER | 'miter' | |
| BEVEL | 'bevel' | |
| # Typography(style) | ||
| NORMAL | 'normal' | |
| BOLD | 'bold' | |
| ITALIC | 'italic' | |
| BOLDITALIC | 'bold italic' | |
| # Typography(align), Event(mouse) | ||
| LEFT | 'left' | |
| CENTER | 'center' | |
| RIGHT | 'right' | |
| TOP | 'top' | |
| BOTTOM | 'bottom' | |
| BASELINE | 'alphabetic' | |
| # DOM(capture) | ||
| VIDEO | 'video' | |
| AUDIO | 'audio' | |
| # Events(mouse) | ||
| LEFT | 'left' | |
| CENTER | 'center' | |
| RIGHT | 'right' | |
| # Events(keycode) | ||
| BACKSPACE | 8 | |
| TAB | 9 | |
| ENTER | 13 | |
| RETURN | 13 | |
| SHIFT | 16 | |
| CONTROL | 17 | |
| ALT | 18 | |
| OPTION | 18 | |
| ESCAPE | 27 | |
| UP_ARROW | 38 | |
| LEFT_ARROW | 37 | |
| RIGHT_ARROW | 39 | |
| DOWN_ARROW | 40 | |
| DELETE | 46 | |