- arc
void arc(float x, float y, float radius, float start_angle, float end_angle, bool counter_clockwise)
void arc(T p, float radius, float start_angle, float end_angle, bool counter_clockwise)
Extend the current subpath with an arc between two angles.
- arcTo
void arcTo(float v_x, float v_y, float x, float y, float r)
void arcTo(T v, T p, float r)
Extend the current subpath with an arc tangent to two lines.
- beginPath
void beginPath()
- bezierCurveTo
void bezierCurveTo(float c1_x, float c1_y, float c2_x, float c2_y, float x, float y)
void bezierCurveTo(T c1, T c2, T p)
Extend the current subpath with a cubic Bezier curve.
- clearRect
void clearRect(float x, float y, float width, float height)
Clear a rectangular area back to transparent black.
- clip
void clip()
Restrict the clip region by the current path.
- closePath
void closePath()
Close the current subpath.
- drawImage
void drawImage(const(ubyte)* image, int width, int height, int stride, float x, float y, float to_width, float to_height)
Draw an image onto the canvas.
- fill
void fill()
Draw the interior of the current path using the fill style.
- fillRect
void fillRect(float x, float y, float w, float h)
- fillStyle
void fillStyle(Color col)
void fillStyle(const(char)[] cssColor)
void fillStyle(RGBAf col)
void fillStyle(RGBA8 col)
void fillStyle(RGBA16 col)
void fillStyle(T col)
Set filling or stroking to use a constant color and opacity.
- fillStyle
deprecated void fillStyle(float r, float g, float b, float a)
Undocumented in source. Be warned that the author may not have intended to support it.
- fillText
void fillText(const(char)* text, float x, float y, float maxWidth)
Draw a line of text by filling its outline.
- globalAlpha
void globalAlpha(float alpha)
float globalAlpha()
Set/get the opacity applied to all drawing operations.
- globalCompositeOperation
void globalCompositeOperation(CanvasCompositeOp op)
void globalCompositeOperation(const(char)[] compositeOp)
CanvasCompositeOp globalCompositeOperation()
Set/get the compositing operation for blending new drawing
and old pixels.
- initialize
void initialize(Image buffer, CanvasOptions options)
Construct a new canvas. Reset to default state.
- isPointInPath
bool isPointInPath(float x, float y)
bool isPointInPath(T p)
Tests whether a point is in or on the current path.
- lineCap
void lineCap(CanvasLineCap capStyle)
void lineCap(const(char)[] capStyle)
CanvasLineCap lineCap()
- lineDashOffset
void lineDashOffset(float offset)
Offset where each subpath starts the dash pattern.
- lineDashOffset
float lineDashOffset()
Undocumented in source. Be warned that the author may not have intended to support it.
- lineJoin
void lineJoin(CanvasLineJoin joinStyle)
void lineJoin(const(char)[] joinStyle)
CanvasLineJoin lineJoin()
- lineTo
void lineTo(float x, float y)
void lineTo(T v)
Extend the current subpath with a straight line.
- lineWidth
void lineWidth(float width)
float lineWidth()
Set/get the width of the lines when stroking.
- measure_text
float measure_text(const(char)* text)
Measure the width in pixels of a line of text.
- miterLimit
void miterLimit(float limit)
float miterLimit()
Set/get the limit on maximum pointiness allowed for miter
joins.
- moveTo
void moveTo(float x, float y)
void moveTo(T v)
- quadraticCurveYo
void quadraticCurveYo(float cx, float cy, float x, float y)
void quadraticCurveYo(T c, T p)
Extend the current subpath with a quadratic Bezier curve.
- rect
void rect(float x, float y, float width, float height)
Add a closed subpath in the shape of a rectangle.
- restore
void restore()
Restore a previously saved state as though from a stack.
- rotate
void rotate(float angle)
Rotate the current transform.
- save
void save()
Save the current state as though to a stack.
- scale
void scale(float x, float y)
Scale the current transform.
- setFont
bool setFont(const(ubyte)* font, int bytes, float size)
Set the font to use for text drawing.
- setLineDash
void setLineDash(const(float)* segments, int count)
void setLineDash(const(float)[] segments)
void setLineDash()
Set or clear the line dash pattern.
- setTransform
void setTransform(float a, float b, float c, float d, float e, float f)
Replace the current transform.
- shadowBlur
void shadowBlur(float level)
float shadowBlur()
Set/get the level of gaussian blurring on the shadow.
- shadowColor
void shadowColor(Color col)
void shadowColor(const(char)[] cssColor)
void shadowColor(RGBAf col)
void shadowColor(RGBA8 col)
void shadowColor(RGBA16 col)
Set the color and opacity of the shadow.
- shadowColor
deprecated void shadowColor(float r, float g, float b, float a)
Undocumented in source. Be warned that the author may not have intended to support it.
- shadowOffsetX
void shadowOffsetX(float offsetX)
float shadowOffsetX()
- shadowOffsetY
void shadowOffsetY(float offsetY)
float shadowOffsetY()
Set/get offset of the shadow in pixels.
- stroke
void stroke()
Draw the edges of the current path using the stroke style.
- strokeRect
void strokeRect(float x, float y, float w, float h)
Stroke a rectangular area.
- strokeStyle
void strokeStyle(Color col)
void strokeStyle(const(char)[] cssColor)
void strokeStyle(RGBAf col)
void strokeStyle(RGBA8 col)
void strokeStyle(RGBA16 col)
void strokeStyle(T rgba)
Set filling or stroking to use a constant color and opacity.
- strokeStyle
deprecated void strokeStyle(float r, float g, float b, float a)
Undocumented in source. Be warned that the author may not have intended to support it.
- stroke_text
void stroke_text(const(char)* text, float x, float y, float maxWidth)
Draw a line of text by stroking its outline.
- transform
void transform(float a, float b, float c, float d, float e, float f)
Add an arbitrary transform to the current transform.
- translate
void translate(float x, float y)
Translate the current transform.
Main canvas API. Given an image buffer, a Canvasity can draw 2D shapes without any GPU usage.