diff --git a/docs/pixie.html b/docs/pixie.html index b33b4df..0f7bd60 100644 --- a/docs/pixie.html +++ b/docs/pixie.html @@ -523,7 +523,7 @@ Strokes a polygon.

Exports

-unpackAlphaValues, Masker, maskerSimd, blender, hasSimdBlender, Blender, BlenderSimd, MaskerSimd, packAlphaValues, blenderSimd, hasSimdMasker, masker, BlendMode, blendAlpha, toPremultipliedAlpha, toPremultipliedAlpha, toStraightAlpha, lerp, lerp, lerp, fractional, toStraightAlpha, PixieError, ColorStop, PaintKind, fillLinearGradient, fillImageTiled, fillRadialGradient, fillAngularGradient, Paint, fillImage, getRgbaUnsafe, draw, []=, Image, copy, wh, setRgbaUnsafe, getRgbaSmooth, invert, flipVertical, magnifyBy2, draw, draw, flipHorizontal, shadow, subImage, inside, $, draw, shift, getRgbaSmoothWrapped, dataIndex, minifyBy2, draw, draw, fill, draw, newMask, blur, newImage, toPremultipliedAlpha, applyOpacity, resize, superImage, fillUnsafe, draw, toStraightAlpha, [], $, setValueUnsafe, ceil, dataIndex, []=, spread, copy, wh, newMask, minifyBy2, fill, Mask, getValueUnsafe, getValueSmooth, fillUnsafe, inside, [], bezierCurveTo, LineCap, arcTo, LineJoin, rect, bezierCurveTo, SomePath, strokePath, $, parsePath, fillPath, lineTo, polygon, roundedRect, quadraticCurveTo, fillPath, strokePath, ellipticalArcTo, Path, lineTo, ellipse, quadraticCurveTo, arcTo, moveTo, roundedRect, PathCommandKind, polygon, strokePath, transform, PathCommand, roundedRect, rect, fillPath, segments, closePath, addPath, rect, strokePath, commandsToShapes, ellipse, WindingRule, fillPath, moveTo, fillPath +unpackAlphaValues, Masker, maskerSimd, blender, hasSimdBlender, Blender, BlenderSimd, MaskerSimd, packAlphaValues, blenderSimd, hasSimdMasker, masker, BlendMode, blendAlpha, toPremultipliedAlpha, toPremultipliedAlpha, toStraightAlpha, lerp, PixieError, lerp, fractional, toStraightAlpha, lerp, ColorStop, PaintKind, fillLinearGradient, fillImageTiled, fillRadialGradient, fillAngularGradient, Paint, fillImage, getRgbaUnsafe, draw, []=, Image, copy, wh, setRgbaUnsafe, getRgbaSmooth, invert, flipVertical, magnifyBy2, draw, draw, flipHorizontal, shadow, subImage, inside, $, draw, shift, getRgbaSmoothWrapped, dataIndex, minifyBy2, draw, draw, fill, draw, newMask, blur, newImage, toPremultipliedAlpha, applyOpacity, resize, superImage, fillUnsafe, draw, toStraightAlpha, [], $, setValueUnsafe, ceil, dataIndex, []=, spread, copy, wh, newMask, minifyBy2, fill, Mask, getValueUnsafe, getValueSmooth, fillUnsafe, inside, [], bezierCurveTo, LineCap, arcTo, LineJoin, rect, bezierCurveTo, SomePath, strokePath, $, parsePath, fillPath, lineTo, polygon, roundedRect, quadraticCurveTo, fillPath, strokePath, ellipticalArcTo, Path, lineTo, ellipse, quadraticCurveTo, arcTo, moveTo, roundedRect, PathCommandKind, polygon, strokePath, transform, PathCommand, roundedRect, rect, fillPath, segments, closePath, addPath, rect, strokePath, commandsToShapes, ellipse, WindingRule, fillPath, moveTo, fillPath
@@ -533,7 +533,7 @@ Strokes a polygon.

- Made with Nim. Generated: 2021-02-25 14:52:05 UTC + Made with Nim. Generated: 2021-02-25 15:05:40 UTC
diff --git a/docs/pixie/blends.html b/docs/pixie/blends.html index b6ba9fd..6a30bd4 100644 --- a/docs/pixie/blends.html +++ b/docs/pixie/blends.html @@ -310,7 +310,7 @@ Unpack the first 32 bits into 4 rgba(0, 0, 0, value)

- Made with Nim. Generated: 2021-02-25 14:52:03 UTC + Made with Nim. Generated: 2021-02-25 15:05:38 UTC
diff --git a/docs/pixie/common.html b/docs/pixie/common.html index c3c7bbf..93386a5 100644 --- a/docs/pixie/common.html +++ b/docs/pixie/common.html @@ -172,14 +172,21 @@ Returns unsigned fraction part of the float.
proc lerp(a, b: uint8; t: float32): uint8 {...}{.inline, raises: [], tags: [].}
- +Linearly interpolate between a and b using t. 
proc lerp(a, b: ColorRGBA; t: float32): ColorRGBA {...}{.inline, raises: [], tags: [].}
+Linearly interpolate between a and b using t. +
+ +
func lerp(a, b: Color; v: float32): Color {...}{.inline, raises: [], tags: [].}
+
+ +Linearly interpolate between a and b using t.
@@ -196,13 +203,6 @@ Converts a color to premultiplied alpha from straight alpha. Converts a color from premultiplied alpha to straight alpha. - - -
func lerp(a, b: Color; v: float32): Color {...}{.inline, raises: [], tags: [].}
-
- - - 
proc toPremultipliedAlpha(c: Color): Color {...}{.inline, raises: [], tags: [].}
@@ -228,7 +228,7 @@ Converts a color from premultiplied alpha to straight alpha.

- Made with Nim. Generated: 2021-02-25 14:52:03 UTC + Made with Nim. Generated: 2021-02-25 15:05:38 UTC
diff --git a/docs/pixie/common.idx b/docs/pixie/common.idx index 38e3261..74e5e8a 100644 --- a/docs/pixie/common.idx +++ b/docs/pixie/common.idx @@ -2,8 +2,8 @@ PixieError pixie/common.html#PixieError common: PixieError fractional pixie/common.html#fractional,float32 common: fractional(v: float32): float32 lerp pixie/common.html#lerp,uint8,uint8,float32 common: lerp(a, b: uint8; t: float32): uint8 lerp pixie/common.html#lerp,ColorRGBA,ColorRGBA,float32 common: lerp(a, b: ColorRGBA; t: float32): ColorRGBA +lerp pixie/common.html#lerp,Color,Color,float32 common: lerp(a, b: Color; v: float32): Color toPremultipliedAlpha pixie/common.html#toPremultipliedAlpha,ColorRGBA common: toPremultipliedAlpha(c: ColorRGBA): ColorRGBA toStraightAlpha pixie/common.html#toStraightAlpha,ColorRGBA common: toStraightAlpha(c: ColorRGBA): ColorRGBA -lerp pixie/common.html#lerp,Color,Color,float32 common: lerp(a, b: Color; v: float32): Color toPremultipliedAlpha pixie/common.html#toPremultipliedAlpha,Color common: toPremultipliedAlpha(c: Color): Color toStraightAlpha pixie/common.html#toStraightAlpha,Color common: toStraightAlpha(c: Color): Color diff --git a/docs/pixie/fileformats/bmp.html b/docs/pixie/fileformats/bmp.html index c036c8d..e8eb33f 100644 --- a/docs/pixie/fileformats/bmp.html +++ b/docs/pixie/fileformats/bmp.html @@ -165,7 +165,7 @@ Decodes bitmap data into an Image. 
proc decodeBmp(data: seq[uint8]): Image {...}{.inline, raises: [PixieError], tags: [].}
- +Decodes bitmap data into an Image.
@@ -185,7 +185,7 @@ Encodes an image into the BMP file format.

- Made with Nim. Generated: 2021-02-25 14:52:04 UTC + Made with Nim. Generated: 2021-02-25 15:05:39 UTC
diff --git a/docs/pixie/fileformats/jpg.html b/docs/pixie/fileformats/jpg.html index 4be6cfb..00fef9f 100644 --- a/docs/pixie/fileformats/jpg.html +++ b/docs/pixie/fileformats/jpg.html @@ -165,14 +165,14 @@ Decodes the JPEG into an Image. 
proc decodeJpg(data: string): Image {...}{.inline, raises: [PixieError], tags: [].}
- +Decodes the JPEG data into an Image. 
proc encodeJpg(image: Image): string {...}{.raises: [PixieError], tags: [].}
- +Encodes Image into a JPEG data string.
@@ -185,7 +185,7 @@ Decodes the JPEG into an Image.

- Made with Nim. Generated: 2021-02-25 14:52:04 UTC + Made with Nim. Generated: 2021-02-25 15:05:39 UTC
diff --git a/docs/pixie/fileformats/png.html b/docs/pixie/fileformats/png.html index 7484c30..78e5879 100644 --- a/docs/pixie/fileformats/png.html +++ b/docs/pixie/fileformats/png.html @@ -162,14 +162,14 @@ window.addEventListener('DOMContentLoaded', main); 
proc decodePng(data: seq[uint8]): Image {...}{.raises: [PixieError], tags: [].}
-Decodes the PNG into an Image. +Decodes the PNG data into an Image. 
proc decodePng(data: string): Image {...}{.inline, raises: [PixieError], tags: [].}
- +Decodes the PNG data into an Image.
@@ -204,7 +204,7 @@ Encodes the mask data into the PNG file format.

- Made with Nim. Generated: 2021-02-25 14:52:04 UTC + Made with Nim. Generated: 2021-02-25 15:05:39 UTC
diff --git a/docs/pixie/fileformats/svg.html b/docs/pixie/fileformats/svg.html index d7abdf0..c375a4d 100644 --- a/docs/pixie/fileformats/svg.html +++ b/docs/pixie/fileformats/svg.html @@ -174,7 +174,7 @@ Render SVG file and return the image.

- Made with Nim. Generated: 2021-02-25 14:52:05 UTC + Made with Nim. Generated: 2021-02-25 15:05:40 UTC
diff --git a/docs/pixie/images.html b/docs/pixie/images.html index 7bf11b8..c87c71b 100644 --- a/docs/pixie/images.html +++ b/docs/pixie/images.html @@ -503,7 +503,7 @@ Draws one image onto another using matrix with color blending. raises: [PixieError, Exception], tags: [RootEffect].}
- +Draws one image onto another using a position offset with color blending.
@@ -511,7 +511,7 @@ Draws one image onto another using matrix with color blending. raises: [PixieError, Exception], tags: [RootEffect].}
- +Draws a mask onto an image using a matrix with color blending.
@@ -519,7 +519,7 @@ Draws one image onto another using matrix with color blending. inline, raises: [PixieError, Exception], tags: [RootEffect].}
- +Draws a mask onto an image using a position offset with color blending.
@@ -527,7 +527,7 @@ Draws one image onto another using matrix with color blending. raises: [PixieError, Exception], tags: [RootEffect].}
- +Draws a mask onto a mask using a matrix with color blending.
@@ -535,7 +535,7 @@ Draws one image onto another using matrix with color blending. raises: [PixieError, Exception], tags: [RootEffect].}
- +Draws a mask onto a mask using a position offset with color blending.
@@ -543,7 +543,7 @@ Draws one image onto another using matrix with color blending. raises: [PixieError, Exception], tags: [RootEffect].}
- +Draws a image onto a mask using a matrix with color blending.
@@ -551,7 +551,7 @@ Draws one image onto another using matrix with color blending. inline, raises: [PixieError, Exception], tags: [RootEffect].}
- +Draws a image onto a mask using a position offset with color blending.
@@ -579,7 +579,7 @@ Shifts the target by offset.

- Made with Nim. Generated: 2021-02-25 14:52:04 UTC + Made with Nim. Generated: 2021-02-25 15:05:38 UTC
diff --git a/docs/pixie/masks.html b/docs/pixie/masks.html index 57ec4b5..a937d8f 100644 --- a/docs/pixie/masks.html +++ b/docs/pixie/masks.html @@ -357,7 +357,7 @@ A value of 0 stays 0. Anything else turns into 255.

- Made with Nim. Generated: 2021-02-25 14:52:04 UTC + Made with Nim. Generated: 2021-02-25 15:05:38 UTC
diff --git a/docs/pixie/paints.html b/docs/pixie/paints.html index e0fcc6e..33dc305 100644 --- a/docs/pixie/paints.html +++ b/docs/pixie/paints.html @@ -272,7 +272,7 @@ Angular gradient.

- Made with Nim. Generated: 2021-02-25 14:52:05 UTC + Made with Nim. Generated: 2021-02-25 15:05:39 UTC
diff --git a/docs/pixie/paths.html b/docs/pixie/paths.html index 7cc4b99..c3e2d04 100644 --- a/docs/pixie/paths.html +++ b/docs/pixie/paths.html @@ -628,7 +628,7 @@ Return elements in pairs: (1st, 2nd), (2nd, 3rd) ... (n - 1, last).

- Made with Nim. Generated: 2021-02-25 14:52:05 UTC + Made with Nim. Generated: 2021-02-25 15:05:39 UTC
diff --git a/docs/theindex.html b/docs/theindex.html index 0fd7ff7..18b8505 100644 --- a/docs/theindex.html +++ b/docs/theindex.html @@ -917,7 +917,7 @@ window.addEventListener('DOMContentLoaded', main);

- Made with Nim. Generated: 2021-02-25 14:52:05 UTC + Made with Nim. Generated: 2021-02-25 15:05:40 UTC
diff --git a/src/pixie/common.nim b/src/pixie/common.nim index ab0f957..5158209 100644 --- a/src/pixie/common.nim +++ b/src/pixie/common.nim @@ -10,16 +10,25 @@ proc fractional*(v: float32): float32 {.inline.} = result = result - floor(result) proc lerp*(a, b: uint8, t: float32): uint8 {.inline.} = + ## Linearly interpolate between a and b using t. let t = round(t * 255).uint32 ((a * (255 - t) + b * t) div 255).uint8 proc lerp*(a, b: ColorRGBA, t: float32): ColorRGBA {.inline.} = + ## Linearly interpolate between a and b using t. let x = round(t * 255).uint32 result.r = ((a.r.uint32 * (255 - x) + b.r.uint32 * x) div 255).uint8 result.g = ((a.g.uint32 * (255 - x) + b.g.uint32 * x) div 255).uint8 result.b = ((a.b.uint32 * (255 - x) + b.b.uint32 * x) div 255).uint8 result.a = ((a.a.uint32 * (255 - x) + b.a.uint32 * x) div 255).uint8 +func lerp*(a, b: Color, v: float32): Color {.inline.} = + ## Linearly interpolate between a and b using t. + result.r = lerp(a.r, b.r, v) + result.g = lerp(a.g, b.g, v) + result.b = lerp(a.b, b.b, v) + result.a = lerp(a.a, b.a, v) + proc toPremultipliedAlpha*(c: ColorRGBA): ColorRGBA {.inline.} = ## Converts a color to premultiplied alpha from straight alpha. result.r = ((c.r.uint32 * c.a.uint32) div 255).uint8 @@ -36,12 +45,6 @@ proc toStraightAlpha*(c: ColorRGBA): ColorRGBA {.inline.} = result.g = ((result.g.uint32 * multiplier) div 255).uint8 result.b = ((result.b.uint32 * multiplier) div 255).uint8 -func lerp*(a, b: Color, v: float32): Color {.inline.} = - result.r = lerp(a.r, b.r, v) - result.g = lerp(a.g, b.g, v) - result.b = lerp(a.b, b.b, v) - result.a = lerp(a.a, b.a, v) - proc toPremultipliedAlpha*(c: Color): Color {.inline.} = ## Converts a color to premultiplied alpha from straight alpha. result.r = c.r * c.a diff --git a/src/pixie/fileformats/bmp.nim b/src/pixie/fileformats/bmp.nim index 5be8d1f..546e635 100644 --- a/src/pixie/fileformats/bmp.nim +++ b/src/pixie/fileformats/bmp.nim @@ -49,6 +49,7 @@ proc decodeBmp*(data: string): Image = result[x, result.height - y - 1] = rgba proc decodeBmp*(data: seq[uint8]): Image {.inline.} = + ## Decodes bitmap data into an Image. decodeBmp(cast[string](data)) proc encodeBmp*(image: Image): string = diff --git a/src/pixie/fileformats/jpg.nim b/src/pixie/fileformats/jpg.nim index 9cd1b37..fddc06a 100644 --- a/src/pixie/fileformats/jpg.nim +++ b/src/pixie/fileformats/jpg.nim @@ -20,7 +20,9 @@ proc decodeJpg*(data: seq[uint8]): Image = copyMem(result.data[0].addr, pixels[0].unsafeAddr, pixels.len) proc decodeJpg*(data: string): Image {.inline.} = + ## Decodes the JPEG data into an Image. decodeJpg(cast[seq[uint8]](data)) proc encodeJpg*(image: Image): string = + ## Encodes Image into a JPEG data string. raise newException(PixieError, "Encoding JPG not supported yet") diff --git a/src/pixie/fileformats/png.nim b/src/pixie/fileformats/png.nim index 0f2d9d3..1304838 100644 --- a/src/pixie/fileformats/png.nim +++ b/src/pixie/fileformats/png.nim @@ -303,7 +303,7 @@ proc decodeImageData( discard # Not possible, parseHeader validates proc decodePng*(data: seq[uint8]): Image = - ## Decodes the PNG into an Image. + ## Decodes the PNG data into an Image. if data.len < (8 + (8 + 13 + 4) + 4): # Magic bytes + IHDR + IEND failInvalid() @@ -413,6 +413,7 @@ proc decodePng*(data: seq[uint8]): Image = result.data = decodeImageData(header, palette, transparency, imageData) proc decodePng*(data: string): Image {.inline.} = + ## Decodes the PNG data into an Image. decodePng(cast[seq[uint8]](data)) proc encodePng*( diff --git a/src/pixie/images.nim b/src/pixie/images.nim index 36d365e..f0cd02e 100644 --- a/src/pixie/images.nim +++ b/src/pixie/images.nim @@ -804,35 +804,35 @@ proc draw*(a, b: Image, mat: Mat3, blendMode = bmNormal) {.inline.} = a.drawUber(b, mat, blendMode) proc draw*(a, b: Image, pos = vec2(0, 0), blendMode = bmNormal) {.inline.} = - # Draws one image onto another using a position offset with color blending. + ## Draws one image onto another using a position offset with color blending. a.draw(b, translate(pos), blendMode) proc draw*(image: Image, mask: Mask, mat: Mat3, blendMode = bmMask) {.inline.} = - # Draws a mask onto an image using a matrix with color blending. + ## Draws a mask onto an image using a matrix with color blending. image.drawUber(mask, mat, blendMode) proc draw*( image: Image, mask: Mask, pos = vec2(0, 0), blendMode = bmMask ) {.inline.} = - # Draws a mask onto an image using a position offset with color blending. + ## Draws a mask onto an image using a position offset with color blending. image.drawUber(mask, translate(pos), blendMode) proc draw*(a, b: Mask, mat: Mat3, blendMode = bmMask) {.inline.} = - # Draws a mask onto a mask using a matrix with color blending. + ## Draws a mask onto a mask using a matrix with color blending. a.drawUber(b, mat, blendMode) proc draw*(a, b: Mask, pos = vec2(0, 0), blendMode = bmMask) {.inline.} = - # Draws a mask onto a mask using a position offset with color blending. + ## Draws a mask onto a mask using a position offset with color blending. a.draw(b, translate(pos), blendMode) proc draw*(mask: Mask, image: Image, mat: Mat3, blendMode = bmMask) {.inline.} = - # Draws a image onto a mask using a matrix with color blending. + ## Draws a image onto a mask using a matrix with color blending. mask.drawUber(image, mat, blendMode) proc draw*( mask: Mask, image: Image, pos = vec2(0, 0), blendMode = bmMask ) {.inline.} = - # Draws a image onto a mask using a position offset with color blending. + ## Draws a image onto a mask using a position offset with color blending. mask.draw(image, translate(pos), blendMode) proc resize*(srcImage: Image, width, height: int): Image =