tiled draw path + removed 2 exported procs from paints.nim (#132)

src/pixie/images.nim

@@ -510,7 +510,7 @@ proc newMask*(image: Image): Mask =
   for j in i ..< image.data.len:
     result.data[j] = image.data[j].a
 
-proc getRgbaSmooth*(image: Image, x, y: float32): ColorRGBA =
+proc getRgbaSmooth*(image: Image, x, y: float32, wrapped = false): ColorRGBA =
   ## Gets a interpolated color with float point coordinates.
   ## Pixes outside the image are transparent.
   let
@@ -520,39 +520,30 @@ proc getRgbaSmooth*(image: Image, x, y: float32): ColorRGBA =
     diffY = y - minY
     x = minX.int
     y = minY.int
+    x0 = (x + 0)
+    y0 = (y + 0)
+    x1 = (x + 1)
+    y1 = (y + 1)
 
-    x0y0 = image[x + 0, y + 0]
-    x1y0 = image[x + 1, y + 0]
-    x0y1 = image[x + 0, y + 1]
-    x1y1 = image[x + 1, y + 1]
+  var x0y0, x1y0, x0y1, x1y1: ColorRGBA
+  if wrapped:
+    x0y0 = image.getRgbaUnsafe(x0 mod image.width, y0 mod image.height)
+    x1y0 = image.getRgbaUnsafe(x1 mod image.width, y0 mod image.height)
+    x0y1 = image.getRgbaUnsafe(x0 mod image.width, y1 mod image.height)
+    x1y1 = image.getRgbaUnsafe(x1 mod image.width, y1 mod image.height)
+  else:
+    x0y0 = image[x0, y0]
+    x1y0 = image[x1, y0]
+    x0y1 = image[x0, y1]
+    x1y1 = image[x1, y1]
 
-    bottomMix = lerp(x0y0, x1y0, diffX)
-    topMix = lerp(x0y1, x1y1, diffX)
-
-  lerp(bottomMix, topMix, diffY)
-
-proc getRgbaSmoothWrapped*(image: Image, x, y: float32): ColorRGBA =
-  ## Gets a interpolated color with float point coordinates.
-  ## Pixes outside the image are repeated.
   let
-    minX = floor(x)
-    minY = floor(y)
-    diffX = x - minX
-    diffY = y - minY
-    x = minX.int
-    y = minY.int
-
-    x0y0 = image[(x + 0) mod image.width, (y + 0) mod image.height]
-    x1y0 = image[(x + 1) mod image.width, (y + 0) mod image.height]
-    x0y1 = image[(x + 0) mod image.width, (y + 1) mod image.height]
-    x1y1 = image[(x + 1) mod image.width, (y + 1) mod image.height]
-
     bottomMix = lerp(x0y0, x1y0, diffX)
     topMix = lerp(x0y1, x1y1, diffX)
 
   lerp(bottomMix, topMix, diffY)
 
-proc drawCorrect(a, b: Image | Mask, mat = mat3(), blendMode = bmNormal) =
+proc drawCorrect(a, b: Image | Mask, mat = mat3(), tiled = false, blendMode = bmNormal) =
   ## Draws one image onto another using matrix with color blending.
 
   when type(a) is Image:
@@ -589,7 +580,7 @@ proc drawCorrect(a, b: Image | Mask, mat = mat3(), blendMode = bmNormal) =
         let backdrop = a.getRgbaUnsafe(x, y)
         when type(b) is Image:
           let
-            sample = b.getRgbaSmooth(xFloat, yFloat)
+            sample = b.getRgbaSmooth(xFloat, yFloat, tiled)
             blended = blender(backdrop, sample)
         else: # b is a Mask
           let
@@ -599,7 +590,7 @@ proc drawCorrect(a, b: Image | Mask, mat = mat3(), blendMode = bmNormal) =
       else: # a is a Mask
         let backdrop = a.getValueUnsafe(x, y)
         when type(b) is Image:
-          let sample = b.getRgbaSmooth(xFloat, yFloat).a
+          let sample = b.getRgbaSmooth(xFloat, yFloat, tiled).a
         else: # b is a Mask
           let sample = b.getValueSmooth(xFloat, yFloat)
         a.setValueUnsafe(x, y, masker(backdrop, sample))
@@ -839,6 +830,9 @@ proc draw*(
   ## Draws a image onto a mask using a position offset with color blending.
   mask.draw(image, translate(pos), blendMode)
 
+proc drawTiled*(dest, src: Image, mat: Mat3, blendMode = bmNormal) =
+  dest.drawCorrect(src, mat, true, blendMode)
+
 proc resize*(srcImage: Image, width, height: int): Image =
   ## Resize an image to a given hight and width.
   if width == srcImage.width and height == srcImage.height:

src/pixie/paints.nim

@@ -27,48 +27,6 @@ type
     color*: Color                         ## Color of the stop
     position*: float32                    ## Gradient Stop position 0..1.
 
-proc fillImage*(
-  dest: Image,
-  src: Image,
-  mat: Mat3
-) =
-  ## Draws and basic image fill.
-  dest.draw(
-    src,
-    mat
-  )
-
-proc fillImageTiled*(
-  dest: Image,
-  src: Image,
-  mat: Mat3
-) =
-  ## Draws a tiled image fill.
-  var
-    matInv = mat.inverse()
-    src = src
-
-  block: # Shrink by 2 as needed
-    const h = 0.5.float32
-    var
-      p = matInv * vec2(0 + h, 0 + h)
-      dx = matInv * vec2(1 + h, 0 + h) - p
-      dy = matInv * vec2(0 + h, 1 + h) - p
-      minFilterBy2 = max(dx.length, dy.length)
-
-    while minFilterBy2 > 2:
-      src = src.minifyBy2()
-      dx /= 2
-      dy /= 2
-      minFilterBy2 /= 2
-      matInv = matInv * scale(vec2(0.5, 0.5))
-
-  for y in 0 ..< dest.height:
-    for x in 0 ..< dest.width:
-      var srcPos = matInv * vec2(x.float32, y.float32)
-      let rgba = src.getRgbaSmoothWrapped(srcPos.x, srcPos.y)
-      dest.setRgbaUnsafe(x,y, rgba)
-
 proc toLineSpace(at, to, point: Vec2): float32 =
   ## Convert position on to where it would fall on a line between at and to.
   let

src/pixie/paths.nim

@@ -1481,15 +1481,9 @@ proc fillPath*(
     of pkSolid:
       fill.fill(paint.color.toPremultipliedAlpha())
     of pkImage:
-      fill.fillImage(
-        paint.image,
-        paint.imageMat
-      )
+      fill.draw(paint.image, paint.imageMat)
     of pkImageTiled:
-      fill.fillImageTiled(
-        paint.image,
-        paint.imageMat
-      )
+      fill.drawTiled(paint.image, paint.imageMat)
     of pkGradientLinear:
       fill.fillLinearGradient(
         paint.gradientHandlePositions[0],