diff options
-rw-r--r-- | img.mu | 84 |
1 files changed, 75 insertions, 9 deletions
diff --git a/img.mu b/img.mu index 6b37a3d9..b8e926f2 100644 --- a/img.mu +++ b/img.mu @@ -28,9 +28,11 @@ fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk) var img/esi: (addr image) <- address img-storage load-image img, data-disk #? render-image screen, img, 0/x, 0/y, 0x300/width, 0x300/height - render-image screen, img, 0x20/x, 0x80/y, 0x258/width=600, 0x190/height=400 + set-cursor-position screen, 0 0 + render-image screen, img, 0/x, 0/y, 0x258/width=600, 0x190/height=400 +#? draw-rect screen, 0x5c 0x60, 0x6c 0x6c, 9/blue #? render-image screen, img, 0x20/x, 0x80/y, 0x12c/width=300, 0xc8/height=200 -#? render-pgm-image screen, img, 0x220/x, 0x80/y, 0x12c/width=300, 0xc8/height=200 + render-pgm-image screen, img, 0x220/x, 0x80/y, 0x12c/width=300, 0xc8/height=200 } fn load-image self: (addr image), data-disk: (addr disk) { @@ -111,7 +113,7 @@ fn render-image screen: (addr screen), _img: (addr image), xmin: int, ymin: int, var img2-storage: image var img2/edi: (addr image) <- address img2-storage dither-pgm-unordered img, img2 - render-raw-image screen, img2, xmin, ymin, width, height +#? render-raw-image screen, img2, xmin, ymin, width, height return } { @@ -473,12 +475,32 @@ fn dither-pgm-unordered _src: (addr image), _dest: (addr image) { { compare y, src-height break-if->= + set-cursor-position 0/screen, 0 0 + draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "y ", 3/fg 0/bg + draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg 0/bg var x/ecx: int <- copy 0 { compare x, src-width break-if->= +#? psd "x", x, 3/fg, x, y var initial-color/eax: byte <- _read-pgm-buffer src-data, x, y, src-width +#? { +#? var foo/eax: int <- copy initial-color +#? psd "r", foo, 7/fg, x, y +#? } var error/esi: int <- _read-dithering-error errors, x, y, src-width + { + var foo/eax: int <- copy error + foo <- shift-right-signed 0x10 + compare foo, 0xff + break-if-< + pixel 0/screen x, y, 4/red +#? set-cursor-position 0/screen, 0x20 0x20 +#? draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg 0/bg +#? draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 4/fg 0/bg +#? abort "error too high" +#? psd "e", foo, 5/fg, x, y + } # error += (initial-color << 16) { var tmp/eax: int <- copy initial-color @@ -512,13 +534,23 @@ fn dither-pgm-unordered _src: (addr image), _dest: (addr image) { var color-index/eax: int <- copy nearest-color color-index <- shift-right 4 color-index <- add 0x10 +#? psd "p", color-index, 4/fg, x, y var color-index-byte/eax: byte <- copy-byte color-index _write-raw-buffer dest-data, x, y, src-width, color-index-byte _diffuse-dithering-error-floyd-steinberg errors, x, y, src-width, src-height, error x <- increment loop } - move-cursor-to-left-margin-of-next-line 0/screen +#? { +#? compare y, 0x60 +#? break-if-< + move-cursor-to-left-margin-of-next-line 0/screen +#? } +#? { +#? var key/eax: byte <- read-key 0/keyboard +#? compare key, 0 +#? loop-if-= +#? } y <- increment loop } @@ -672,19 +704,54 @@ fn show-errors errors: (addr array int), width: int, height: int, x: int, y: int fn psd s: (addr array byte), d: int, fg: int, x: int, y: int { #? { -#? compare y, 3 -#? break-if-= +#? compare y, 0x60 +#? break-if->= +#? return +#? } +#? { +#? compare y, 0x6c +#? break-if-<= #? return #? } + { + compare x, 0x40 + break-if->= + return + } #? { -#? compare x, 4 -#? break-if-< +#? compare x, 0x6c +#? break-if-<= #? return #? } draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, s, 7/fg 0/bg draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, d, fg 0/bg } +fn psx s: (addr array byte), d: int, fg: int, x: int, y: int { +#? { +#? compare y, 0x60 +#? break-if->= +#? return +#? } +#? { +#? compare y, 0x6c +#? break-if-<= +#? return +#? } + { + compare x, 0x20 + break-if->= + return + } +#? { +#? compare x, 0x6c +#? break-if-<= +#? return +#? } + draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, s, 7/fg 0/bg + draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, d, fg 0/bg +} + # import a color ascii "pixmap" (each pixel consists of 3 shades of r/g/b from 0 to 255) fn initialize-image-from-ppm _self: (addr image), in: (addr stream byte) { var self/esi: (addr image) <- copy _self @@ -766,7 +833,6 @@ fn render-ppm-image screen: (addr screen), _img: (addr image), xmin: int, ymin: var zero/eax: int <- copy 0 var zero-f/xmm0: float <- convert zero var y/xmm6: float <- copy zero-f - set-cursor-position 0/screen, 0x20/x 0x20/y { compare y, height-f break-if-float>= |