/
roll.go
207 lines (200 loc) · 6.68 KB
/
roll.go
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package transformation
import (
"image"
"image/color"
"github.com/jeromelesaux/martine/constants"
"github.com/jeromelesaux/martine/log"
)
func RollLeft(rla, sla, iterations int,
screenMode uint8,
size constants.Size,
downgraded *image.NRGBA,
newPalette color.Palette) []*image.NRGBA {
images := make([]*image.NRGBA, 0)
// create downgraded palette image with rra pixels rotated
// and call n iterations spritetransform with this input generated image
// save the rotated image as png
if rla != -1 || sla != -1 {
log.GetLogger().Info("RLA/SLA: Iterations (%d)\n", iterations)
for i := 0; i < iterations; i++ {
nbPixels := 0
if rla != -1 {
nbPixels = (rla * (1 + i))
} else {
if sla != -1 {
nbPixels = (sla * (1 + i))
}
}
im := image.NewNRGBA(image.Rectangle{image.Point{0, 0}, image.Point{downgraded.Bounds().Max.X, downgraded.Bounds().Max.Y}})
y2 := 0
for y := downgraded.Bounds().Min.Y; y < downgraded.Bounds().Max.Y; y++ {
x2 := 0
for x := downgraded.Bounds().Min.X + nbPixels; x < downgraded.Bounds().Max.X; x++ {
im.Set(x2, y2, downgraded.At(x, y))
x2++
}
y2++
}
if rla != -1 {
y2 = 0
for y := downgraded.Bounds().Min.Y; y < downgraded.Bounds().Max.Y; y++ {
x2 := downgraded.Bounds().Max.X - nbPixels
for x := downgraded.Bounds().Min.X; x < nbPixels; x++ {
im.Set(x2, y2, downgraded.At(x, y))
x2++
}
y2++
}
}
images = append(images, im)
/* newFilename := strconv.Itoa(i) + strings.TrimSuffix(filename, path.Ext(filename)) + ".png"
log.GetLogger().Info( "Saving downgraded image iteration (%d) into (%s)\n", i, newFilename)
file.Png(filepath.Join(cont.OutputPath, newFilename), im)
log.GetLogger().Info( "Tranform image in sprite iteration (%d)\n", i)
common.ToSpriteAndExport(im, newPalette, size, screenMode, newFilename, false, cont)*/
}
}
return images
}
func RollRight(rra, sra, iterations int,
screenMode uint8,
size constants.Size,
downgraded *image.NRGBA,
newPalette color.Palette) []*image.NRGBA {
images := make([]*image.NRGBA, 0)
if rra != -1 || sra != -1 {
log.GetLogger().Info("RRA/SRA: Iterations (%d)\n", iterations)
for i := 0; i < iterations; i++ {
nbPixels := 0
if rra != -1 {
nbPixels = (rra * (1 + i))
} else {
if sra != -1 {
nbPixels = (sra * (1 + i))
}
}
im := image.NewNRGBA(image.Rectangle{image.Point{0, 0}, image.Point{downgraded.Bounds().Max.X, downgraded.Bounds().Max.Y}})
y2 := 0
for y := downgraded.Bounds().Min.Y; y < downgraded.Bounds().Max.Y; y++ {
x2 := nbPixels
for x := downgraded.Bounds().Min.X; x < downgraded.Bounds().Max.X-nbPixels; x++ {
im.Set(x2, y2, downgraded.At(x, y))
x2++
}
y2++
}
if rra != -1 {
y2 = 0
for y := downgraded.Bounds().Min.Y; y < downgraded.Bounds().Max.Y; y++ {
x2 := 0
for x := downgraded.Bounds().Max.X - nbPixels; x < downgraded.Bounds().Max.X; x++ {
im.Set(x2, y2, downgraded.At(x, y))
x2++
}
y2++
}
}
images = append(images, im)
/* newFilename := strconv.Itoa(i) + strings.TrimSuffix(filename, path.Ext(filename)) + ".png"
log.GetLogger().Info( "Saving downgraded image iteration (%d) into (%s)\n", i, newFilename)
file.Png(filepath.Join(cont.OutputPath, newFilename), im)
log.GetLogger().Info( "Tranform image in sprite iteration (%d)\n", i)
common.ToSpriteAndExport(im, newPalette, size, screenMode, newFilename, false, cont)*/
}
}
return images
}
func RollUp(keephigh, losthigh, iterations int,
screenMode uint8,
size constants.Size,
downgraded *image.NRGBA,
newPalette color.Palette) []*image.NRGBA {
images := make([]*image.NRGBA, 0)
if keephigh != -1 || losthigh != -1 {
log.GetLogger().Info("keephigh/losthigh: Iterations (%d)\n", iterations)
for i := 0; i < iterations; i++ {
nbPixels := 0
if keephigh != -1 {
nbPixels = (keephigh * (1 + i))
} else {
if losthigh != -1 {
nbPixels = (losthigh * (1 + i))
}
}
im := image.NewNRGBA(image.Rectangle{image.Point{0, 0}, image.Point{downgraded.Bounds().Max.X, downgraded.Bounds().Max.Y}})
y2 := 0
for y := downgraded.Bounds().Min.Y + nbPixels; y < downgraded.Bounds().Max.Y; y++ {
x2 := 0
for x := downgraded.Bounds().Min.X; x < downgraded.Bounds().Max.X; x++ {
im.Set(x2, y2, downgraded.At(x, y))
x2++
}
y2++
}
if keephigh != -1 {
for y := downgraded.Bounds().Min.Y; y < nbPixels; y++ {
x2 := 0
for x := downgraded.Bounds().Min.X; x < downgraded.Bounds().Max.X; x++ {
im.Set(x2, y2, downgraded.At(x, y))
x2++
}
y2++
}
}
images = append(images, im)
/* newFilename := strconv.Itoa(i) + strings.TrimSuffix(filename, path.Ext(filename)) + ".png"
log.GetLogger().Info( "Saving downgraded image iteration (%d) into (%s)\n", i, newFilename)
file.Png(filepath.Join(cont.OutputPath, newFilename), im)
log.GetLogger().Info( "Tranform image in sprite iteration (%d)\n", i)
common.ToSpriteAndExport(im, newPalette, size, screenMode, newFilename, false, cont)*/
}
}
return images
}
func RollLow(keeplow, lostlow, iterations int,
screenMode uint8,
size constants.Size,
downgraded *image.NRGBA,
newPalette color.Palette) []*image.NRGBA {
images := make([]*image.NRGBA, 0)
if keeplow != -1 || lostlow != -1 {
log.GetLogger().Info("keeplow/lostlow: Iterations (%d)\n", iterations)
for i := 0; i < iterations; i++ {
nbPixels := 0
if keeplow != -1 {
nbPixels = (keeplow * (1 + i))
} else {
if lostlow != -1 {
nbPixels = (lostlow * (1 + i))
}
}
im := image.NewNRGBA(image.Rectangle{image.Point{0, 0}, image.Point{downgraded.Bounds().Max.X, downgraded.Bounds().Max.Y}})
y2 := downgraded.Bounds().Max.Y - 1
for y := downgraded.Bounds().Max.Y - nbPixels; y >= downgraded.Bounds().Min.Y; y-- {
x2 := 0
for x := downgraded.Bounds().Min.X; x < downgraded.Bounds().Max.X; x++ {
im.Set(x2, y2, downgraded.At(x, y))
x2++
}
y2--
}
if keeplow != -1 {
for y := downgraded.Bounds().Max.Y - 1; y >= downgraded.Bounds().Max.Y-nbPixels; y-- {
x2 := 0
for x := downgraded.Bounds().Min.X; x < downgraded.Bounds().Max.X; x++ {
im.Set(x2, y2, downgraded.At(x, y))
x2++
}
y2--
}
}
images = append(images, im)
/* newFilename := strconv.Itoa(i) + strings.TrimSuffix(filename, path.Ext(filename)) + ".png"
log.GetLogger().Info( "Saving downgraded image iteration (%d) into (%s)\n", i, newFilename)
file.Png(filepath.Join(cont.OutputPath, newFilename), im)
log.GetLogger().Info( "Tranform image in sprite iteration (%d)\n", i)
common.ToSpriteAndExport(im, newPalette, size, screenMode, newFilename, false, cont)*/
}
}
return images
}