[tests/core/image] Remove old crappy PPM writer.

tests/core/image/test_core_image.odin

@@ -27,7 +27,6 @@ import "core:time"
 
 import "core:runtime"
 
-WRITE_PPM_ON_FAIL :: #config(WRITE_PPM_ON_FAIL, false)
 TEST_SUITE_PATH   :: "assets/PNG"
 
 TEST_count := 0
@@ -1879,12 +1878,6 @@ run_png_suite :: proc(t: ^testing.T, suite: []PNG_Test) -> (subtotal: int) {
 				}
 			}
 
-			if WRITE_PPM_ON_FAIL && !passed && err == nil { // It loaded but had an error in its compares.
-				testing.logf(t, "Test failed, writing ppm/%v-%v.ppm to help debug.\n", file.file, count)
-				output := fmt.tprintf("ppm/%v-%v.ppm", file.file, count)
-				write_image_as_ppm(output, img)
-			}
-
 			png.destroy(img)
 
 			for _, v in track.allocation_map {
@@ -1895,198 +1888,4 @@ run_png_suite :: proc(t: ^testing.T, suite: []PNG_Test) -> (subtotal: int) {
 	}
 
 	return
-}
-
-// Crappy PPM writer used during testing. Don't use in production.
-write_image_as_ppm :: proc(filename: string, image: ^image.Image) -> (success: bool) {
-
-	_bg :: proc(x, y: int, high := true) -> (res: [3]u16) {
-		if high {
-			l := u16(30 * 256 + 30)
-
-			if (x & 4 == 0) ~ (y & 4 == 0) {
-				res = [3]u16{l, l, l}
-			} else {
-				res = [3]u16{l >> 1, l >> 1, l >> 1}
-			}
-		} else {
-			if (x & 4 == 0) ~ (y & 4 == 0) {
-				res = [3]u16{30, 30, 30}
-			} else {
-				res = [3]u16{15, 15, 15}
-			}
-		}
-		return
-	}
-
-	using image
-	using os
-
-	flags: int = O_WRONLY|O_CREATE|O_TRUNC
-
-	img := image
-
-	// PBM 16-bit images are big endian
-	when ODIN_ENDIAN == .Little {
-		if img.depth == 16 {
-			// The pixel components are in Big Endian. Let's byteswap back.
-			input  := mem.slice_data_cast([]u16,   img.pixels.buf[:])
-			output := mem.slice_data_cast([]u16be, img.pixels.buf[:])
-			#no_bounds_check for v, i in input {
-				output[i] = u16be(v)
-			}
-		}
-	}
-
-	pix := bytes.buffer_to_bytes(&img.pixels)
-
-	if len(pix) == 0 || len(pix) < image.width * image.height * int(image.channels) {
-		return false
-	}
-
-	mode: int = 0
-	when ODIN_OS == .Linux || ODIN_OS == .Darwin {
-		// NOTE(justasd): 644 (owner read, write; group read; others read)
-		mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH
-	}
-
-	fd, err := open(filename, flags, mode)
-	if err != 0 {
-		return false
-	}
-	defer close(fd)
-
-	write_string(fd,
-		fmt.tprintf("P6\n%v %v\n%v\n", width, height, (1 << uint(depth) -1)),
-	)
-
-	if channels == 3 {
-		// We don't handle transparency here...
-		write_ptr(fd, raw_data(pix), len(pix))
-	} else {
-		bpp := depth == 16 ? 2 : 1
-		bytes_needed := width * height * 3 * bpp
-
-		op := bytes.Buffer{}
-		bytes.buffer_init_allocator(&op, bytes_needed, bytes_needed)
-		defer bytes.buffer_destroy(&op)
-
-		if channels == 1 {
-			if depth == 16 {
-				assert(len(pix) == width * height * 2)
-				p16 := mem.slice_data_cast([]u16, pix)
-				o16 := mem.slice_data_cast([]u16, op.buf[:])
-				#no_bounds_check for len(p16) != 0 {
-					r := u16(p16[0])
-					o16[0] = r
-					o16[1] = r
-					o16[2] = r
-					p16 = p16[1:]
-					o16 = o16[3:]
-				}
-			} else {
-				o := 0
-				for i := 0; i < len(pix); i += 1 {
-					r := pix[i]
-					op.buf[o  ] = r
-					op.buf[o+1] = r
-					op.buf[o+2] = r
-					o += 3
-				}
-			}
-			write_ptr(fd, raw_data(op.buf), len(op.buf))
-		} else if channels == 2 {
-			if depth == 16 {
-				p16 := mem.slice_data_cast([]u16, pix)
-				o16 := mem.slice_data_cast([]u16, op.buf[:])
-
-				bgcol := img.background
-
-				#no_bounds_check for len(p16) != 0 {
-					r  := f64(u16(p16[0]))
-					bg:   f64
-					if bgcol != nil {
-						v := bgcol.([3]u16)[0]
-						bg = f64(v)
-					}
-					a  := f64(u16(p16[1])) / 65535.0
-					l  := (a * r) + (1 / a) * bg
-
-					o16[0] = u16(l)
-					o16[1] = u16(l)
-					o16[2] = u16(l)
-
-					p16 = p16[2:]
-					o16 = o16[3:]
-				}
-			} else {
-				o := 0
-				for i := 0; i < len(pix); i += 2 {
-					r := pix[i]; a := pix[i+1]; a1 := f32(a) / 255.0
-					c := u8(f32(r) * a1)
-					op.buf[o  ] = c
-					op.buf[o+1] = c
-					op.buf[o+2] = c
-					o += 3
-				}
-			}
-			write_ptr(fd, raw_data(op.buf), len(op.buf))
-		} else if channels == 4 {
-			if depth == 16 {
-				p16 := mem.slice_data_cast([]u16be, pix)
-				o16 := mem.slice_data_cast([]u16be, op.buf[:])
-
-				i := 0
-				for len(p16) > 0 {
-					i += 1
-					x  := i  % width
-					y  := i / width
-					bg := _bg(x, y, true)
-
-					r     := f32(p16[0])
-					g     := f32(p16[1])
-					b     := f32(p16[2])
-					a     := f32(p16[3]) / 65535.0
-
-					lr  := (a * r) + (1 / a) * f32(bg[0])
-					lg  := (a * g) + (1 / a) * f32(bg[1])
-					lb  := (a * b) + (1 / a) * f32(bg[2])
-
-					o16[0] = u16be(lr)
-					o16[1] = u16be(lg)
-					o16[2] = u16be(lb)
-
-					p16 = p16[4:]
-					o16 = o16[3:]
-				}
-			} else {
-				o := 0
-
-				for i := 0; i < len(pix); i += 4 {
-
-					x := (i / 4)  % width
-					y := i / width / 4
-					_b := _bg(x, y, false)
-					bgcol := [3]u8{u8(_b[0]), u8(_b[1]), u8(_b[2])}
-
-					r := f32(pix[i])
-					g := f32(pix[i+1])
-					b := f32(pix[i+2])
-					a := f32(pix[i+3]) / 255.0
-
-					lr := u8(f32(r) * a + (1 / a) * f32(bgcol[0]))
-					lg := u8(f32(g) * a + (1 / a) * f32(bgcol[1]))
-					lb := u8(f32(b) * a + (1 / a) * f32(bgcol[2]))
-					op.buf[o  ] = lr
-					op.buf[o+1] = lg
-					op.buf[o+2] = lb
-					o += 3
-				}
-			}
-			write_ptr(fd, raw_data(op.buf), len(op.buf))
-		} else {
-			return false
-		}
-	}
-	return true
 }