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HiRes render improvements - sharp image!

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tudnai 2020-05-09 13:45:41 -07:00
parent 6abcba032d
commit 889b31803a
1 changed files with 46 additions and 67 deletions
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113
A2Mac/HiRes.swift
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@ -489,68 +489,66 @@ class HiRes: NSView {
let color_blue : UInt32 = 0xFF1166EE;
let color_orange : UInt32 = 0xFFEE2211;
func hiresColorPixel ( pixelAddr : Int, pixel : Int, prev : Int ) {
func hiresColorPixel ( pixelAddr : Int, pixel : Int, prev : Int, prevPrev : Int ) {
let colorAddr = pixelAddr / 4
switch ( pixel ) {
case 0x00: // black
// HiRes.typedPointer[colorAddr] = color_black;
// HiRes.typedPointer[colorAddr + 1] = color_black;
break
case 0x01: // purple (bits are in reverse!)
HiRes.pixelsRGBA[colorAddr] = color_purple;
if (prev != 0x03) && (prev != 0x07) && (prev != 0x00) && (prev != 0x04) {
HiRes.pixelsRGBA[colorAddr - 1] = color_purple;
// HiRes.pixelsRGBA[colorAddr + 1] = color_purple
if (colorAddr >= 1) && (prev != 0x03) && (prev != 0x07) && (prev != 0x00) && (prev != 0x04) {
HiRes.pixelsRGBA[colorAddr - 1] = color_purple
}
case 0x02: // green
// reducing color bleeding
if (colorAddr > 0) && (HiRes.pixelsRGBA[colorAddr - 1] != color_black) {
HiRes.pixelsRGBA[colorAddr] = color_green;
HiRes.pixelsRGBA[colorAddr] = color_green
}
HiRes.pixelsRGBA[colorAddr + 1] = color_green;
HiRes.pixelsRGBA[colorAddr + 1] = color_green
case 0x03: // white
HiRes.pixelsRGBA[colorAddr] = color_white;
case 0x03, // white 1
0x07: // white 2
HiRes.pixelsRGBA[colorAddr] = color_white
HiRes.pixelsRGBA[colorAddr + 1] = color_white;
case 0x04: // black 2
// HiRes.typedPointer[colorAddr] = color_black;
// HiRes.typedPointer[colorAddr + 1] = color_black;
break
case 0x05: // blue
HiRes.pixelsRGBA[colorAddr] = color_blue;
if (prev != 0x03) && (prev != 0x07) && (prev != 0x00) && (prev != 0x04) {
HiRes.pixelsRGBA[colorAddr - 1] = color_blue;
HiRes.pixelsRGBA[colorAddr] = color_blue
// HiRes.pixelsRGBA[colorAddr + 1] = color_blue
if (colorAddr >= 1) && (prev != 0x00) && (prev != 0x04) {
HiRes.pixelsRGBA[colorAddr - 1] = color_blue
}
case 0x06: // orange
// reducing color bleeding
if (colorAddr > 0) && (HiRes.pixelsRGBA[colorAddr - 1] != color_black) {
HiRes.pixelsRGBA[colorAddr] = color_orange;
HiRes.pixelsRGBA[colorAddr] = color_orange
}
HiRes.pixelsRGBA[colorAddr + 1] = color_orange;
HiRes.pixelsRGBA[colorAddr + 1] = color_orange
case 0x07: // white 2
HiRes.pixelsRGBA[colorAddr] = color_white;
HiRes.pixelsRGBA[colorAddr + 1] = color_white;
default:
// HiRes.typedPointer[colorAddr] = color_black;
// HiRes.typedPointer[colorAddr + 1] = color_black;
default: // 0x00 (black 1), 0x04 (black 2)
HiRes.pixelsRGBA[colorAddr] = color_black
HiRes.pixelsRGBA[colorAddr + 1] = color_black
if (colorAddr >= 1) && ( (prev == 0x01) || (prev == 0x05) ) {
HiRes.pixelsRGBA[colorAddr - 1] = color_black
}
break
}
// if (colorAddr >= 1) && ( (pixel & 0x02) == 2 ) && ( (prev == 0x01) || (prev == 0x05) ) {
// HiRes.pixelsRGBA[colorAddr - 1] = color_black
// }
// white adjustment
if ( (prev & 2) == 2 ) && ( (pixel & 1) == 1 ) {
HiRes.pixelsRGBA[colorAddr] = color_white;
HiRes.pixelsRGBA[colorAddr - 1] = color_white;
HiRes.pixelsRGBA[colorAddr] = color_white
if (colorAddr >= 1) {
HiRes.pixelsRGBA[colorAddr - 1] = color_white
}
// TODO: Need better check if extra green was created
if (HiRes.pixels[pixelAddr - 8 + G] == 0xA2 ) {
HiRes.pixelsRGBA[colorAddr - 2] = color_black;
if (colorAddr >= 2) && (HiRes.pixelsRGBA[colorAddr - 2] == color_green ) {
HiRes.pixelsRGBA[colorAddr - 2] = color_black
}
}
@ -561,8 +559,8 @@ class HiRes: NSView {
// (pixel == 0x00) || (pixel == 0x04) // black
) {
// was the previous purple pixel promoted to white or is it still purple?
if ( HiRes.pixelsRGBA[colorAddr - 2] == color_purple ) {
HiRes.pixelsRGBA[colorAddr - 1] = color_purple;
if (colorAddr >= 2) && ( HiRes.pixelsRGBA[colorAddr - 2] == color_purple ) {
HiRes.pixelsRGBA[colorAddr - 1] = color_purple
}
}
@ -573,8 +571,8 @@ class HiRes: NSView {
// (pixel == 0x00) || (pixel == 0x04) // black
) {
// was the previous blue pixel promoted to white or is it still blue?
if ( HiRes.pixelsRGBA[colorAddr - 2] == color_blue ) {
HiRes.pixelsRGBA[colorAddr - 1] = color_blue;
if (colorAddr >= 2) && ( HiRes.pixelsRGBA[colorAddr - 2] == color_blue ) {
HiRes.pixelsRGBA[colorAddr - 1] = color_blue
}
}
@ -617,7 +615,8 @@ class HiRes: NSView {
let blockVertIdx = y / 8 * HiRes.blockCols / 2
var prev = 0
var prevPrev = 0
for blockHorIdx in 0 ..< HiRes.blockCols / 2 {
// print("blockVertIdx:", blockVertIdx, " blockHorIdx:", blockHorIdx)
@ -638,21 +637,24 @@ class HiRes: NSView {
for px in 0 ... 2 {
// let bitMask = 3 << ( px * 2 )
let pixel = blockH7 | ( (block >> (px * 2)) & 3 )
hiresColorPixel(pixelAddr: pixelAddr, pixel: pixel, prev: prev )
hiresColorPixel(pixelAddr: pixelAddr, pixel: pixel, prev: prev, prevPrev: prevPrev )
pixelAddr += 8
prevPrev = prev
prev = pixel
}
let pixel = (blockL7 | blockH7) | ( (block >> (3 * 2)) & 3 )
hiresColorPixel(pixelAddr: pixelAddr, pixel: pixel, prev: prev )
hiresColorPixel(pixelAddr: pixelAddr, pixel: pixel, prev: prev, prevPrev: prevPrev )
pixelAddr += 8
prevPrev = prev
prev = pixel
for px in 4 ... 6 {
// let bitMask = 3 << ( px * 2 )
let pixel = blockL7 | ( (block >> (px * 2)) & 3 )
hiresColorPixel(pixelAddr: pixelAddr, pixel: pixel, prev: prev )
hiresColorPixel(pixelAddr: pixelAddr, pixel: pixel, prev: prev, prevPrev: prevPrev )
pixelAddr += 8
prevPrev = prev
prev = pixel
}
}
@ -687,35 +689,12 @@ class HiRes: NSView {
}
override func draw(_ rect: CGRect) {
// print("HIRESSLOW\n")
// if was > 100 {
// return
// }
// was += 1
// HiRes.context?.setShouldAntialias(true)
// HiRes.context?.interpolationQuality = CGInterpolationQuality.low
guard let image = HiRes.context?.makeImage() else { return }
// let blockScreenWidth = HiRes.PixelWidth * 4 / (HiRes.blockCols / 2)
// let blockScreenHeigth = HiRes.PixelHeight * 4 / HiRes.blockRows
//
// for y in 0 ..< HiRes.blockRows {
// for x in 0 ..< HiRes.blockCols / 2 {
// // refresh the entire screen
// let boundingBox = CGRect(x: x * blockScreenWidth, y: y * blockScreenHeigth, width: blockScreenWidth, height: blockScreenHeigth)
// currentContext!.draw (image, in: boundingBox)
//return
// }
// }
// refresh the entire screen
let boundingBox = CGRect(x: 0, y: 0, width: frame.width, height: frame.height)
currentContext!.draw(image, in: boundingBox)
currentContext?.interpolationQuality = .none
currentContext?.draw(image, in: boundingBox)
}
#elseif HIRESDRAWCOLOR