// Draw renders the given cpu cores on img.
func (app *App) Draw(img draw.Image, cpus []CPU) {
rect := img.Bounds()
bg := app.Background
if bg == nil {
bg = image.Black
}
draw.Draw(img, rect, bg, bg.Bounds().Min, draw.Over)
if len(cpus) == 0 {
return
}
cpuDx := rect.Dx() / len(cpus)
ptIncr := image.Point{X: cpuDx}
ptDelta := image.Point{}
rectDx := image.Rectangle{
Min: rect.Min,
Max: rect.Max,
}
rectDx.Max.X = rect.Min.X + cpuDx
for _, cpu := range cpus {
irect := image.Rectangle{
Min: rectDx.Min.Add(ptDelta),
Max: rectDx.Max.Add(ptDelta),
}
subimg := SubImage(img, irect)
app.renderCPU(subimg, cpu)
ptDelta = ptDelta.Add(ptIncr)
}
}
func drawPoint(point Point, dst *image.RGBA, src image.Image) {
p := image.Point{point.X, point.Y}
srcRect := src.Bounds()
size := srcRect.Size()
rect := image.Rectangle{p, p.Add(size)}
draw.Draw(dst, rect, src, srcRect.Min, draw.Src)
}
func (i *imageSlice) Set(x, y int, c color.Color) {
p := image.Point{x, y}
if p.In(i.r) {
p = p.Add(i.p)
i.img.Set(p.X, p.Y, c)
}
}
// Adjust adjusts the two images aligning ther centers. The background
// of the smaller image is filled with FillColor. The returned images
// are of the same size.
func (c Centerer) Adjust(img1, img2 image.Image) (image.Image, image.Image) {
img1Rect := img1.Bounds()
img2Rect := img2.Bounds()
backgroundRect := img1Rect.Union(img2Rect)
dstImg1 := image.NewRGBA(backgroundRect)
dstImg2 := image.NewRGBA(backgroundRect)
// Fill destination images with FillColor
draw.Draw(dstImg1, dstImg1.Bounds(), &image.Uniform{c.FillColor}, image.ZP, draw.Src)
draw.Draw(dstImg2, dstImg2.Bounds(), &image.Uniform{c.FillColor}, image.ZP, draw.Src)
// Copy img1 to the center of dstImg1
dp := image.Point{
(backgroundRect.Max.X-backgroundRect.Min.X)/2 - (img1Rect.Max.X-img1Rect.Min.X)/2,
(backgroundRect.Max.Y-backgroundRect.Min.Y)/2 - (img1Rect.Max.Y-img1Rect.Min.Y)/2,
}
r := image.Rectangle{dp, dp.Add(img1Rect.Size())}
draw.Draw(dstImg1, r, img1, image.ZP, draw.Src)
// Copy img2 to the center of dstImg2
dp = image.Point{
(backgroundRect.Max.X-backgroundRect.Min.X)/2 - (img2Rect.Max.X-img2Rect.Min.X)/2,
(backgroundRect.Max.Y-backgroundRect.Min.Y)/2 - (img2Rect.Max.Y-img2Rect.Min.Y)/2,
}
r = image.Rectangle{dp, dp.Add(img2Rect.Size())}
draw.Draw(dstImg2, r, img2, image.ZP, draw.Src)
return dstImg1, dstImg2
}
func (c *Context) RenderMultiline(txt []string, size float64, bg, fg color.Color) (*image.RGBA, error) {
w, h := 0, 0
imgs := []*image.RGBA{}
for _, l := range txt {
i, err := c.Render(l, size, fg)
if err != nil {
return nil, err
}
if i.Bounds().Dx() > w {
w = i.Bounds().Dx()
}
h += i.Bounds().Dy()
imgs = append(imgs, i)
}
dst := image.NewRGBA(image.Rect(0, 0, w, h))
draw.Draw(dst, dst.Bounds(), image.NewUniform(bg), image.ZP, draw.Src)
y := 0
for _, src := range imgs {
sr := src.Bounds()
dp := image.Point{0, y}
r := image.Rectangle{dp, dp.Add(sr.Size())}
draw.Draw(dst, r, src, sr.Min, draw.Src)
y += sr.Dy()
}
return dst, nil
}
func (l *Label) verticalPosition(line int) {
textHeight := len(l.lines) * l.font.Height()
var topOffset, tail int
switch l.VAlign {
case Top:
topOffset = 0
case Middle:
topOffset = (l.Bounds().Dy() - textHeight) / 2
case Bottom:
topOffset = (l.Bounds().Dy() - textHeight)
}
totalHeight := textHeight + WRAP_GAP
if (textHeight > l.Dy()) && l.scroll {
if l.scrollPos > 0 {
l.scrollPos -= totalHeight
//l.scrollPos %= ( totalHeight + WRAP_GAP )
}
tail = l.scrollPos + totalHeight
if tail <= WRAP_GAP {
// There is only one copy on screen
l.scrollPos = tail
}
topLeft := image.Point{0, topOffset + l.scrollPos + (line * l.font.Height())}
l.graphics[line].Rect = image.Rectangle{topLeft, topLeft.Add(l.graphics[line].Bounds().Size())}
l.graphics[line+len(l.lines)].Rect = l.graphics[line].Rect.Add(image.Point{0, totalHeight})
} else {
topLeft := image.Point{0, topOffset + (line * l.font.Height())}
l.graphics[line].Rect = image.Rectangle{topLeft, topLeft.Add(l.graphics[line].Bounds().Size())}
l.graphics[line+len(l.lines)].Rect = l.graphics[line].Rect
}
}
func (b *bucket) addPixel(pixel image.Point) {
b.group.wire.pixels = append(b.group.wire.pixels, pixel)
b.group.wire.bounds = b.group.wire.bounds.Union(
image.Rectangle{
pixel,
pixel.Add(image.Point{1, 1})})
}
func (i *imageSlice) At(x, y int) color.Color {
p := image.Point{x, y}
if p.In(i.r) {
p = p.Add(i.p)
return i.img.At(p.X, p.Y)
}
return color.RGBA{0, 0, 0, 0}
}
func hasNeighbor(p image.Point) bool {
for _, n := range n8 {
o := p.Add(n)
if o.In(g.Rect) && g.At(o.X, o.Y).(color.Gray).Y == frost {
return true
}
}
return false
}
// Image returns a new Image which will be drawn using img,
// with p giving the coordinate of the image's top left corner.
//
func NewImage(img image.Image, opaque bool, p image.Point) *Image {
obj := new(Image)
obj.Item = &obj.item
r := img.Bounds()
obj.item.R = image.Rectangle{p, p.Add(image.Pt(r.Dx(), r.Dy()))}
obj.item.Image = img
obj.item.IsOpaque = opaque
return obj
}
// SliceImage returns an image which is a view onto a portion of img.
// The returned image has the specified width and height,
// but all draw operations are clipped to r.
// The origin of img is aligned with p. Where img
// overlaps with r, it will be used for drawing operations.
//
func SliceImage(width, height int, r image.Rectangle, img draw.Image, p image.Point) draw.Image {
// TODO: detect when img is itself a SliceImage and
// use the underlying image directly.
i := new(imageSlice)
i.img = img
i.r = r.Intersect(image.Rectangle{p, p.Add(img.Bounds().Size())})
//debugp("actual sliced rectangle %v\n", i.r)
i.p = p
return i
}
func Rect() {
dst := image.NewRGBA(image.Rect(0, 0, 640, 480))
sr := image.Rect(0, 0, 200, 200)
src := image.Black
dp := image.Point{100, 100}
// RECT OMIT
r := image.Rectangle{dp, dp.Add(sr.Size())}
draw.Draw(dst, r, src, sr.Min, draw.Src)
// STOP OMIT
}
func MinInputSize(feat image.Point, conf Config) image.Point {
// One feature pixel on all sides.
feat = feat.Add(image.Pt(2, 2))
// Multiply by cell size to get pixels.
pix := feat.Mul(conf.CellSize)
// Add floor(half a cell) on all sides.
half := conf.CellSize / 2
pix = pix.Add(image.Pt(half, half).Mul(2))
// Leave one pixel to compute derivatives.
pix = pix.Add(image.Pt(1, 1).Mul(2))
return pix
}
func (m *Mob) Sprite(offset image.Point) gfx.Sprite {
// XXX: Hacky way to pass adjust parameter to make big mobs get drawn by
// their frontmost point. Layer is assumed to be a delta, the view system
// will adjust it into the correct Z level.
layer := 0
if m.isBig {
layer += 2 * util.ViewLayersPerZ
}
return gfx.Sprite{
Layer: layer,
Offset: offset.Add(m.bob()),
Drawable: app.Cache().GetDrawable(m.icon)}
}
// MouseDrag moves the mouse, clicks, and drags to a new position.
func (v *VNC) MouseDrag(p, d image.Point) error {
if err := v.MouseMove(p); err != nil {
return err
}
if err := v.conn.PointerEvent(vnclib.ButtonLeft, uint16(p.X), uint16(p.Y)); err != nil {
return err
}
p = p.Add(d) // Add delta.
if err := v.conn.PointerEvent(vnclib.ButtonLeft, uint16(p.X), uint16(p.Y)); err != nil {
return err
}
return v.conn.PointerEvent(vnclib.ButtonNone, uint16(p.X), uint16(p.Y))
}
// send image resize request with url in string and size in uint
// receive image type
func cropIn(filename string, paneau draw.Image, location image.Point) {
data, err := ioutil.ReadFile(filename)
if err != nil {
log.Fatal(err)
}
reader := strings.NewReader(string(data))
img, _, _ := image.Decode(reader)
//bounds := paneau.Bounds()
sr := img.Bounds()
r := image.Rectangle{location, location.Add(sr.Size())}
draw.Draw(paneau, r, img, sr.Min, draw.Src)
log.Println("cropped")
}
func ProcessNew(pos image.Point, userObj pf.ProcessIf) (ret *Process) {
config := DrawConfig{ColorInit(ColorOption(ProcessNormal)),
ColorInit(ColorOption(ProcessHighlight)),
ColorInit(ColorOption(ProcessSelected)),
ColorInit(ColorOption(BoxFrame)),
ColorInit(ColorOption(Text)),
image.Point{procPortWidth, procPortHeight}}
cconfig := ContainerConfig{procPortWidth, procPortHeight, procMinWidth, procMinHeight}
ret = &Process{ContainerInit(nil, config, userObj, cconfig), userObj, nil}
shape := image.Point{global.processWidth, global.processHeight}
ret.box = image.Rectangle{pos, pos.Add(shape)}
ret.ContainerInit()
return
}
func propagateWheel(w sparta.Widget, pt image.Point) sparta.Widget {
rect := w.Property(sparta.Geometry).(image.Rectangle)
childs := w.Property(sparta.Childs)
if childs == nil {
return w
}
for _, ch := range childs.([]sparta.Widget) {
rect = ch.Property(sparta.Geometry).(image.Rectangle)
if pt.In(rect) {
return propagateWheel(ch, pt.Add(rect.Min))
}
}
return w
}
func (b *ProgressBar) Draw(to draw.Image) image.Rectangle {
var fillWidth, fillHeight int
var dp image.Point
var dr image.Rectangle
if b.IsDirty() {
b.Update()
g := b.graphics[0]
if debug {
fmt.Printf("b.Bounds(): %v, canvas.Bounds(): %v, g.Bounds(): %v\n", b.Bounds(), b.canvas.Bounds(), g.Bounds())
}
draw.Draw(b.canvas, b.canvas.Bounds(), g, g.Bounds().Min, draw.Src)
mrange := b.Max - b.Min
percent := (b.Progress * 100) / mrange
if percent > 100 {
percent = 100
} else if percent < 0 {
percent = 0
}
activeWidth := b.Widget.Dx() - (2 * hIndent) - (2 * borderWidth)
activeHeight := b.Widget.Dy() - (2 * vIndent) - (2 * borderWidth)
if b.Direction == Horizontal {
fillWidth = (activeWidth * percent) / 100
fillHeight = activeHeight
dp = image.Point{hIndent + borderWidth, vIndent + borderWidth}
dr = image.Rectangle{dp, dp.Add(image.Point{fillWidth, fillHeight})}
} else {
fillHeight = (activeHeight * percent) / 100
fillWidth = activeWidth
dp = image.Point{hIndent + borderWidth + (activeWidth - fillWidth), vIndent + borderWidth + (activeHeight - fillHeight)}
dr = image.Rectangle{dp, dp.Add(image.Point{fillWidth, fillHeight})}
}
if debug {
fmt.Printf("percent: %v, activeWidth: %v, activeHeight: %v, fillWidth: %v, fillHeight: %v, dr: %v\n", percent, activeWidth, activeHeight, fillWidth, fillHeight, dr)
}
draw.Draw(b.canvas, dr, &image.Uniform{b.Widget.Foreground}, image.ZP, draw.Src)
if b.IsVisible() {
draw.Draw(to, b.Bounds(), b.canvas, image.ZP, draw.Src)
return b.Bounds()
}
return image.ZR
}
return image.ZR
}
func (i *imageSlice) DrawMask(r image.Rectangle, src image.Image, sp image.Point, mask image.Image, mp image.Point, op draw.Op) bool {
//debugp("imageslice draw %v; sp %v\n", r, sp)
dr := r.Intersect(i.r)
if dr.Empty() {
//debugp("-> clipped empty (r %v)\n", i.r)
return true
}
delta := dr.Min.Sub(r.Min) // realignment because of clipping.
sp = sp.Add(delta)
mp = mp.Add(delta)
dr = dr.Sub(i.p)
//debugp("-> draw %v; sp %v\n", dr, sp)
draw.DrawMask(i.img, dr, src, sp, mask, mp, op)
return true
}
func findDiffForPoint(matcher diffMatcher, diffs *list.List, pt image.Point) *image.Rectangle {
var diff *image.Rectangle = nil
for e := diffs.Front(); e != nil; e = e.Next() {
rect := e.Value.(*image.Rectangle)
if matcher(rect, pt) {
diff = rect
break
}
}
if diff == nil {
// the diffs should never be "empty" and therefore the created
// rectangle is 1x1 pixels in size upon creation
diff = &image.Rectangle{pt, pt.Add(image.Pt(1, 1))}
diffs.PushBack(diff)
}
return diff
}
// write out the actual mosaic to disk
func writeMosaic(flickrGetter HttpGetter, submitPic ImageFile, md5sum string) (bool, string) {
mosaicImage := image.NewNRGBA(image.Rect(0, 0, submitPic.XEnd*4, submitPic.YEnd*4))
for _, tile := range submitPic.Tiles {
var tempImage image.Image
reader, err := os.Open(flickrGetter.GetSaveDir() + "/" + tile.MatchURL)
if err != nil {
logger.Printf("unable to use %v image as tile: %v\n", tile.MatchURL, err)
tempImage, err = getFlickrPhotoNoSave(tile.MatchURL, flickrGetter)
if err != nil {
logger.Println("error getting image from flickr: ", err)
}
} else {
tempImage, _, err = image.Decode(reader)
if err != nil {
logger.Println("error decoding tile image: ", err)
}
}
if err == nil {
tempImageNRGBA := convertToNRGBA(tempImage)
tempImageNRGBA = resizeNearest(tempImageNRGBA, 40, 40)
point := image.Point{}
if tile.XStart == 0 && tile.YStart == 0 {
} else {
point = image.Point{Y: tile.YStart * 4, X: tile.XStart * 4}
}
rect := tempImageNRGBA.Bounds()
r := image.Rectangle{point, point.Add(rect.Size())}
draw.FloydSteinberg.Draw(mosaicImage, r, tempImageNRGBA, rect.Min)
}
reader.Close()
}
// resize a bit
mosaicImage = resizeNearest(mosaicImage, mosaicImage.Bounds().Max.X/2, mosaicImage.Bounds().Max.Y/2)
// write file
outFileName := "mosaic_" + md5sum + strconv.Itoa(int(time.Now().Unix())) + ".png"
out, err := os.Create("created/" + outFileName)
if err != nil {
logger.Println("error creating file: ", err)
}
err = png.Encode(out, mosaicImage)
if err != nil {
logger.Println("error encoding mosaic image: ", err)
}
return true, outFileName
}
// Uses half-sample symmetry.
func Symmetric(im image.Image, p image.Point) color.Color {
b := im.Bounds()
// Make twice as big.
d := image.Rectangle{b.Min, b.Max.Add(b.Size())}
p = p.Mod(d)
// Move to origin.
p = p.Sub(b.Min)
w, h := b.Dx(), b.Dy()
if p.X > w-1 {
p.X = 2*w - 1 - p.X
}
if p.Y > h-1 {
p.Y = 2*h - 1 - p.Y
}
p = p.Add(b.Min)
return im.At(p.X, p.Y)
}
func (w *windowImpl) Upload(dp image.Point, src screen.Buffer, sr image.Rectangle) {
originalSRMin := sr.Min
sr = sr.Intersect(src.Bounds())
if sr.Empty() {
return
}
dp = dp.Add(sr.Min.Sub(originalSRMin))
// TODO: keep a texture around for this purpose?
t, err := w.s.NewTexture(sr.Size())
if err != nil {
panic(err)
}
t.Upload(image.Point{}, src, sr)
w.Draw(f64.Aff3{
1, 0, float64(dp.X),
0, 1, float64(dp.Y),
}, t, t.Bounds(), draw.Src, nil)
t.Release()
}
// BorderOp draws a retangular border of size r and width n, with n positive
// meaning the border is inside r, drawn with the specified draw op.
func (dst *Image) BorderOp(r image.Rectangle, n int, color *Image, sp image.Point, op Op) {
if n < 0 {
r = r.Inset(n)
sp = sp.Add(image.Pt(n, n))
n = -n
}
dst.Display.mu.Lock()
defer dst.Display.mu.Unlock()
draw(dst, image.Rect(r.Min.X, r.Min.Y, r.Max.X, r.Min.Y+n),
color, sp, nil, sp, op)
pt := image.Pt(sp.X, sp.Y+r.Dy()-n)
draw(dst, image.Rect(r.Min.X, r.Max.Y-n, r.Max.X, r.Max.Y),
color, pt, nil, pt, op)
pt = image.Pt(sp.X, sp.Y+n)
draw(dst, image.Rect(r.Min.X, r.Min.Y+n, r.Min.X+n, r.Max.Y-n),
color, pt, nil, pt, op)
pt = image.Pt(sp.X+r.Dx()-n, sp.Y+n)
draw(dst, image.Rect(r.Max.X-n, r.Min.Y+n, r.Max.X, r.Max.Y-n),
color, pt, nil, pt, op)
}
func collectPegs(origin image.Point, facing Dir4, spec ParseSpec, edge string) (result []Peg, err error) {
result = []Peg{}
inPeg := false
for x, ch := range edge {
if spec.isPeg(uint8(ch)) {
if !inPeg {
inPeg = true
start := origin.Add(facing.alongVec().Mul(x))
result = append(result, Peg{start, facing, ""})
}
current := &result[len(result)-1]
current.pattern += string(ch)
} else if spec.isOverlap(uint8(ch)) {
if x == 0 || x == len(edge)-1 || !spec.isPeg(edge[x-1]) ||
!spec.isPeg(edge[x+1]) {
err = errors.New("Overlap char not between two peg chars")
return
}
if !inPeg {
panic("Not in peg even though previous char is peg char")
}
// The overlap char means that the current and the next peg share
// the current cell. End the current peg by repeating its last
// character.
current := &result[len(result)-1]
last, _ := utf8.DecodeLastRuneInString(current.pattern)
current.pattern += string(last)
// Start the next peg with the same character as its second one.
start := origin.Add(facing.alongVec().Mul(x))
result = append(result, Peg{start, facing, string(MapCell(edge[x+1]))})
} else {
inPeg = false
}
}
return
}
func (m *Mapgen) isDoorSite(pt image.Point) bool {
if !m.terrain(pt).BlocksMove() {
return false
}
up := m.terrain(pt.Add(image.Pt(0, -1))).BlocksMove()
down := m.terrain(pt.Add(image.Pt(0, 1))).BlocksMove()
left := m.terrain(pt.Add(image.Pt(-1, 0))).BlocksMove()
right := m.terrain(pt.Add(image.Pt(1, 0))).BlocksMove()
if up != down || left != right {
return false
}
return up != left
}
func (c *Container) ContainerDefaultSetPosition(pos image.Point) {
if c.selectedChild != -1 {
child := c.Children[c.selectedChild]
childpos := child.Position()
offset := childpos.Sub(c.Position())
child.SetPosition(pos.Add(offset))
c.box = c.Layout()
} else if c.selectedPort != -1 {
child := c.ports[c.selectedPort]
childpos := child.Position()
offset := childpos.Sub(c.Position())
newPos := pos.Add(offset)
child.SetPosition(c.portClipPos(newPos))
} else {
shift := pos.Sub(c.Position())
c.BBoxDefaultSetPosition(pos)
for _, p := range c.Children {
p.SetPosition(p.Position().Add(shift))
}
for _, p := range c.ports {
p.SetPosition(p.Position().Add(shift))
}
}
}
func (l *Label) horizontalPosition(line int) {
var tail, leftOffset int
textWidth := l.font.Width(l.lines[line])
totalWidth := textWidth + WRAP_GAP
switch l.HAlign {
case Left:
leftOffset = 0
case Centre:
leftOffset = (l.Bounds().Dx() - textWidth) / 2
case Right:
leftOffset = (l.Bounds().Dx() - textWidth)
}
if (textWidth > l.Dx()) && l.scroll {
// Alias it, so that tail is always to the right
// scrollpos > 0 can only happen when scroll == true
if l.scrollPos > 0 {
l.scrollPos -= totalWidth
}
tail = l.scrollPos + totalWidth
if tail <= WRAP_GAP {
l.scrollPos = tail
}
topLeft := image.Point{leftOffset + l.scrollPos, l.graphics[line].Rect.Min.Y}
l.graphics[line].Rect = image.Rectangle{topLeft, topLeft.Add(l.graphics[line].Bounds().Size())}
l.graphics[line+len(l.lines)].Rect = l.graphics[line].Rect.Add(image.Point{totalWidth, 0})
} else {
topLeft := image.Point{leftOffset, l.graphics[line].Rect.Min.Y}
l.graphics[line].Rect = image.Rectangle{topLeft, topLeft.Add(l.graphics[line].Bounds().Size())}
topLeft = image.Point{leftOffset, l.graphics[line+len(l.lines)].Rect.Min.Y}
l.graphics[line+len(l.lines)].Rect = image.Rectangle{topLeft, topLeft.Add(l.graphics[line+len(l.lines)].Bounds().Size())}
}
}
func TestBuildColorMap(t *testing.T) {
red := color.NRGBA{255, 0, 0, 255}
green := color.NRGBA{0, 255, 0, 255}
blue := color.NRGBA{0, 0, 255, 255}
white := color.NRGBA{0, 0, 0, 255}
redSquare := image.NewNRGBA(image.Rect(0, 0, 20, 20))
draw.Draw(redSquare, redSquare.Bounds(), &image.Uniform{red}, image.ZP, draw.Src)
greenSquare := image.NewNRGBA(image.Rect(0, 0, 20, 20))
draw.Draw(greenSquare, greenSquare.Bounds(), &image.Uniform{green}, image.ZP, draw.Src)
blueSquare := image.NewNRGBA(image.Rect(0, 0, 20, 20))
draw.Draw(blueSquare, blueSquare.Bounds(), &image.Uniform{blue}, image.ZP, draw.Src)
whiteSquare := image.NewNRGBA(image.Rect(0, 0, 20, 20))
draw.Draw(whiteSquare, whiteSquare.Bounds(), &image.Uniform{white}, image.ZP, draw.Src)
testImage := image.NewNRGBA(image.Rect(0, 0, 40, 40))
point := image.Point{}
rect := redSquare.Bounds()
r := image.Rectangle{point, point.Add(rect.Size())}
draw.Draw(testImage, r, redSquare, rect.Min, draw.Src)
point = image.Point{Y: 0, X: 20}
rect = greenSquare.Bounds()
r = image.Rectangle{point, point.Add(rect.Size())}
draw.Draw(testImage, r, greenSquare, rect.Min, draw.Src)
point = image.Point{Y: 20, X: 0}
rect = blueSquare.Bounds()
r = image.Rectangle{point, point.Add(rect.Size())}
draw.Draw(testImage, r, blueSquare, rect.Min, draw.Src)
point = image.Point{Y: 20, X: 20}
rect = whiteSquare.Bounds()
r = image.Rectangle{point, point.Add(rect.Size())}
draw.Draw(testImage, r, whiteSquare, rect.Min, draw.Src)
testPic := ImageFile{Name: "createTiles-test.jpg", Image: testImage}
testTile := OrigTile{Filename: "createTiles-test.jpg", YStart: 0, YEnd: 19, XStart: 0, XEnd: 19}
testTile.buildColorMap(testPic)
if testTile.AvgRGB == nil {
t.Errorf("NRGBA AvgRGB is nil")
}
if testTile.AvgRGB["red"] != 65535 || testTile.AvgRGB["green"] != 0 || testTile.AvgRGB["blue"] != 0 || testTile.AvgRGB["alpha"] != 65535 {
t.Errorf("NRGBA red is %v, should be 25700", testTile.AvgRGB["red"])
t.Errorf("NRGBA green is %v, should be 38550", testTile.AvgRGB["green"])
t.Errorf("NRGBA blue is %v, should be 65535", testTile.AvgRGB["blue"])
t.Errorf("NRGBA alpha is %v, should be 65535", testTile.AvgRGB["alpha"])
}
testTile = OrigTile{Filename: "createTiles-test.jpg", YStart: 0, YEnd: 19, XStart: 20, XEnd: 39}
testTile.buildColorMap(testPic)
if testTile.AvgRGB == nil {
t.Errorf("NRGBA AvgRGB is nil")
}
if testTile.AvgRGB["red"] != 0 || testTile.AvgRGB["green"] != 65535 || testTile.AvgRGB["blue"] != 0 || testTile.AvgRGB["alpha"] != 65535 {
t.Errorf("NRGBA red is %v, should be 25700", testTile.AvgRGB["red"])
t.Errorf("NRGBA green is %v, should be 38550", testTile.AvgRGB["green"])
t.Errorf("NRGBA blue is %v, should be 65535", testTile.AvgRGB["blue"])
t.Errorf("NRGBA alpha is %v, should be 65535", testTile.AvgRGB["alpha"])
}
testTile = OrigTile{Filename: "createTiles-test.jpg", YStart: 19, YEnd: 39, XStart: 0, XEnd: 39}
testTile.buildColorMap(testPic)
if testTile.AvgRGB == nil {
t.Errorf("NRGBA AvgRGB is nil")
}
if testTile.AvgRGB["red"] != 1680 || testTile.AvgRGB["green"] != 1596 || testTile.AvgRGB["blue"] != 31927 || testTile.AvgRGB["alpha"] != 65535 {
t.Errorf("NRGBA red is %v, should be 25700", testTile.AvgRGB["red"])
t.Errorf("NRGBA green is %v, should be 38550", testTile.AvgRGB["green"])
t.Errorf("NRGBA blue is %v, should be 65535", testTile.AvgRGB["blue"])
t.Errorf("NRGBA alpha is %v, should be 65535", testTile.AvgRGB["alpha"])
}
// simple test for checking our switch case...
//image.YCbCr
//m2 := image.NewYCbCr(image.Rect(0, 0, 200, 200), image.YCbCrSubsampleRatio444)
m2 := image.NewRGBA(image.Rect(0, 0, 200, 200))
draw.Draw(m2, m2.Bounds(), &image.Uniform{red}, image.ZP, draw.Src)
testPic.Image = m2
testTile.buildColorMap(testPic)
if testTile.AvgRGB == nil {
t.Errorf("RGBA AvgRGB is nil")
}
if testTile.AvgRGB["red"] != 65535 || testTile.AvgRGB["green"] != 0 || testTile.AvgRGB["blue"] != 0 || testTile.AvgRGB["alpha"] != 65535 {
t.Errorf("RGBA red is %v, should be 32296", testTile.AvgRGB["red"])
t.Errorf("RGBA green is %v, should be 4683", testTile.AvgRGB["green"])
t.Errorf("RGBA blue is %v, should be 691", testTile.AvgRGB["blue"])
t.Errorf("RGBA alpha is %v, should be 65535", testTile.AvgRGB["alpha"])
}
m3 := image.NewRGBA64(image.Rect(0, 0, 200, 200))
draw.Draw(m3, m3.Bounds(), &image.Uniform{red}, image.ZP, draw.Src)
testPic.Image = m3
testTile.buildColorMap(testPic)
if testTile.AvgRGB == nil {
t.Errorf("RGBA64 AvgRGB is nil")
}
if testTile.AvgRGB["red"] != 65535 || testTile.AvgRGB["green"] != 0 || testTile.AvgRGB["blue"] != 0 || testTile.AvgRGB["alpha"] != 65535 {
t.Errorf("RGBA64 red is %v, should be 32296", testTile.AvgRGB["red"])
t.Errorf("RGBA64 green is %v, should be 4683", testTile.AvgRGB["green"])
t.Errorf("RGBA64 blue is %v, should be 691", testTile.AvgRGB["blue"])
t.Errorf("RGBA64 alpha is %v, should be 65535", testTile.AvgRGB["alpha"])
}
m4 := image.NewNRGBA64(image.Rect(0, 0, 200, 200))
draw.Draw(m4, m4.Bounds(), &image.Uniform{red}, image.ZP, draw.Src)
testPic.Image = m4
testTile.buildColorMap(testPic)
if testTile.AvgRGB == nil {
t.Errorf("NRGBA64 AvgRGB is nil")
}
if testTile.AvgRGB["red"] != 65535 || testTile.AvgRGB["green"] != 0 || testTile.AvgRGB["blue"] != 0 || testTile.AvgRGB["alpha"] != 65535 {
t.Errorf("NRGBA64 red is %v, should be 32296", testTile.AvgRGB["red"])
t.Errorf("NRGBA64 green is %v, should be 4683", testTile.AvgRGB["green"])
t.Errorf("NRGBA64 blue is %v, should be 691", testTile.AvgRGB["blue"])
t.Errorf("NRGBA64 alpha is %v, should be 65535", testTile.AvgRGB["alpha"])
}
}