-Backport ST3 features, such as showing color and selectors from color

scheme at point
-Remove changelog because I never update it anyways

ScopeHunterLib/color_scheme_matcher.py

@@ -0,0 +1,178 @@
+"""
+Color Scheme Matcher (for sublime text)
+Licensed under MIT
+Copyright (c) 2013 Isaac Muse <isaacmuse@gmail.com>
+"""
+from __future__ import absolute_import
+import sublime
+import re
+ST3 = int(sublime.version()) >= 3000
+if not ST3:
+    from plistlib import readPlist
+else:
+    from plistlib import readPlistFromBytes
+from .rgba import RGBA
+from os import path
+
+
+def sublime_format_path(pth):
+    m = re.match(r"^([A-Za-z]{1}):(?:/|\\)(.*)", pth)
+    if sublime.platform() == "windows" and m != None:
+        pth = m.group(1) + "/" + m.group(2)
+    return pth.replace("\\", "/")
+
+
+class ColorSchemeMatcher(object):
+    def __init__(self, scheme_file, strip_trans=False, ignore_gutter=False, track_dark_background=False, filter=None):
+        if filter is None:
+            filter = self.filter
+        self.color_scheme = path.normpath(scheme_file)
+        self.scheme_file = path.basename(self.color_scheme)
+        if ST3:
+            self.plist_file = filter(readPlistFromBytes(sublime.load_binary_resource(sublime_format_path(self.color_scheme))))
+        else:
+            self.plist_file = filter(readPlist(sublime.packages_path() + self.color_scheme.replace('Packages', '')))
+        self.scheme_file = scheme_file
+        self.strip_trans = strip_trans
+        self.ignore_gutter = ignore_gutter
+        self.track_dark_background = track_dark_background
+        self.dark_lumens = None
+        self.matched = {}
+
+        self.parse_scheme()
+
+    def filter(self, plist):
+        return plist
+
+    def parse_scheme(self):
+        color_settings = self.plist_file["settings"][0]["settings"]
+
+        # Get general theme colors from color scheme file
+        self.bground = self.strip_color(color_settings.get("background", '#FFFFFF'), simple_strip=True)
+        self.fground = self.strip_color(color_settings.get("foreground", '#000000'))
+        self.sbground = self.strip_color(color_settings.get("selection", self.fground))
+        self.sfground = self.strip_color(color_settings.get("selectionForeground", None))
+        self.gbground = self.strip_color(color_settings.get("gutter", self.bground)) if not self.ignore_gutter else self.bground
+        self.gfground = self.strip_color(color_settings.get("gutterForeground", self.fground)) if not self.ignore_gutter else self.fground
+
+        # Create scope colors mapping from color scheme file
+        self.colors = {}
+        for item in self.plist_file["settings"]:
+            name = item.get('name', None)
+            scope = item.get('scope', None)
+            color = None
+            style = []
+            if 'settings' in item:
+                color = item['settings'].get('foreground', None)
+                bgcolor = item['settings'].get('background', None)
+                if 'fontStyle' in item['settings']:
+                    for s in item['settings']['fontStyle'].split(' '):
+                        if s == "bold" or s == "italic":  # or s == "underline":
+                            style.append(s)
+
+            if scope != None and name != None and (color != None or bgcolor != None):
+                self.colors[scope] = {
+                    "name": name,
+                    "color": self.strip_color(color),
+                    "bgcolor": self.strip_color(bgcolor),
+                    "style": style
+                }
+
+    def strip_color(self, color, simple_strip=False):
+        if color is None:
+            return color
+        elif not self.strip_trans:
+            return color.replace(" ", "")
+        rgba = RGBA(color.replace(" ", ""))
+        if not simple_strip:
+            rgba.apply_alpha(self.bground if self.bground != "" else "#FFFFFF")
+        if self.track_dark_background:
+            lumens = rgba.luminance()
+            if self.dark_lumens is None or lumens < self.dark_lumens:
+                self.dark_lumens = lumens
+        return rgba.get_rgb()
+
+    def get_general_colors(self):
+        return self.bground, self.fground, self.sbground, self.sfground, self.gbground, self.gfground
+
+    def get_darkest_lumen(self):
+        return self.dark_lumens
+
+    def get_plist_file(self):
+        return self.plist_file
+
+    def get_scheme_file(self):
+        return self.scheme_file
+
+    def guess_color(self, view, pt, scope_key):
+        color = self.fground
+        bgcolor = self.bground
+        style = set([])
+        color_selector = "foreground"
+        style_selectors = {"bold": "", "italic": ""}
+        bg_selector = "background"
+        if scope_key in self.matched:
+            color = self.matched[scope_key]["color"]
+            style = self.matched[scope_key]["style"]
+            bgcolor = self.matched[scope_key]["bgcolor"]
+            selectors = self.matched[scope_key]["selectors"]
+            color_selector, bg_selector, style_selectors = selectors["color"], selectors["background"], selectors["style"]
+        else:
+            best_match_bg = 0
+            best_match_fg = 0
+            best_match_style = 0
+            for key in self.colors:
+                match = view.score_selector(pt, key)
+                if self.colors[key]["color"] is not None and match > best_match_fg:
+                    best_match_fg = match
+                    color = self.colors[key]["color"]
+                    color_selector = self.colors[key]["name"]
+                if self.colors[key]["style"] is not None and match > best_match_style:
+                    best_match_style = match
+                    for s in self.colors[key]["style"]:
+                        style.add(s)
+                        if s == "bold":
+                            style_selectors["bold"] = self.colors[key]["name"]
+                        elif s == "italic":
+                            style_selectors["italic"] = self.colors[key]["name"]
+                if self.colors[key]["bgcolor"] is not None and match > best_match_bg:
+                    best_match_bg = match
+                    bgcolor = self.colors[key]["bgcolor"]
+                    bg_selector = self.colors[key]["name"]
+            self.matched[scope_key] = {
+                "color": color, "bgcolor": bgcolor,
+                "style": style, "selectors": {
+                    "color": color_selector,
+                    "background": bg_selector,
+                    "style": style_selectors
+                }
+            }
+        if len(style) == 0:
+            style = "normal"
+        else:
+            style = ' '.join(style)
+        return color, style, bgcolor, color_selector, bg_selector, style_selectors
+
+    def shift_background_brightness(self, lumens_limit):
+        dlumen = self.get_darkest_lumen()
+        if dlumen is not None and dlumen < lumens_limit:
+            factor = 1 + ((lumens_limit - dlumen) / 255.0)
+            for k, v in self.colors.items():
+                fg, bg = v["color"], v["bgcolor"]
+                if v["color"] is not None:
+                    self.colors[k]["color"] = self.apply_brightness(v["color"], factor)
+                if v["bgcolor"] is not None:
+                    self.colors[k]["bgcolor"] = self.apply_brightness(v["bgcolor"], factor)
+            self.bground = self.apply_brightness(self.bground, factor)
+            self.fground = self.apply_brightness(self.fground, factor)
+            self.sbground = self.apply_brightness(self.sbground, factor)
+            if self.sfground is not None:
+                self.sfground = self.apply_brightness(self.sfground, factor)
+            self.gbground = self.apply_brightness(self.gbground, factor)
+            self.gfground = self.apply_brightness(self.gfground, factor)
+
+    def apply_brightness(self, color, shift_factor):
+        rgba = RGBA(color)
+        if shift_factor is not None:
+            rgba.brightness(shift_factor)
+        return rgba.get_rgb()

ScopeHunterLib/rgba.py

@@ -0,0 +1,173 @@
+"""
+RGBA
+Licensed under MIT
+Copyright (c) 2012 Isaac Muse <isaacmuse@gmail.com>
+"""
+
+import re
+from colorsys import rgb_to_hls, hls_to_rgb, rgb_to_hsv, hsv_to_rgb
+
+RGB_CHANNEL_SCALE = 1.0 / 255.0
+HUE_SCALE = 1.0 / 360.0
+
+
+def clamp(value, mn, mx):
+    return max(min(value, mx), mn)
+
+
+class RGBA(object):
+    r = None
+    g = None
+    b = None
+    a = None
+    color_pattern = re.compile(r"^#(?:([A-Fa-f\d]{6})([A-Fa-f\d]{2})?|([A-Fa-f\d]{3}))")
+
+    def __init__(self, s=None):
+        if s is None:
+            s = "#000000FF"
+        self.r, self.g, self.b, self.a = self._split_channels(s)
+
+    def _split_channels(self, s):
+        def alpha_channel(alpha):
+            return int(alpha, 16) if alpha else 0xFF
+
+        m = self.color_pattern.match(s)
+        assert(m is not None)
+        if m.group(1):
+            return int(s[1:3], 16), int(s[3:5], 16), int(s[5:7], 16), alpha_channel(m.group(2))
+        else:
+            return int(s[1] * 2, 16), int(s[2] * 2, 16), int(s[3] * 2, 16), 0xFF
+
+    def get_rgba(self):
+        return "#%02X%02X%02X%02X" % (self.r, self.g, self.b, self.a)
+
+    def get_rgb(self):
+        return "#%02X%02X%02X" % (self.r, self.g, self.b)
+
+    def apply_alpha(self, background="#000000AA"):
+        def tx_alpha(cf, af, cb, ab):
+            return abs(cf * af + cb * ab * (1 - af)) & 0xFF
+
+        if self.a < 0xFF:
+            r, g, b, a = self._split_channels(background)
+
+            self.r, self.g, self.b = (tx_alpha(self.r, self.a, r, a), tx_alpha(self.g, self.a, g, a), tx_alpha(self.b, self.a, b, a))
+
+        return self.get_rgb()
+
+    def luminance(self):
+        return clamp(int(round(0.299 * self.r + 0.587 * self.g + 0.114 * self.b)), 0, 255)
+
+    def tohsv(self):
+        return rgb_to_hsv(self.r * RGB_CHANNEL_SCALE, self.g * RGB_CHANNEL_SCALE, self.b * RGB_CHANNEL_SCALE)
+
+    def fromhsv(self, h, s, v):
+        r, g, b = hsv_to_rgb(h, s, v)
+        self.r = int(round(r * 255)) & 0xFF
+        self.g = int(round(g * 255)) & 0xFF
+        self.b = int(round(b * 255)) & 0xFF
+
+    def tohls(self):
+        return rgb_to_hls(self.r * RGB_CHANNEL_SCALE, self.g * RGB_CHANNEL_SCALE, self.b * RGB_CHANNEL_SCALE)
+
+    def fromhls(self, h, l, s):
+        r, g, b = hls_to_rgb(h, l, s)
+        self.r = int(round(r * 255)) & 0xFF
+        self.g = int(round(g * 255)) & 0xFF
+        self.b = int(round(b * 255)) & 0xFF
+
+    def colorize(self, deg):
+        h, l, s = self.tohls()
+        h = clamp(deg * HUE_SCALE, 0.0, 1.0)
+        self.fromhls(h, l, s)
+
+    def hue(self, deg):
+        d = deg * HUE_SCALE
+        h, l, s = self.tohls()
+        h = h + d
+        while h > 1.0:
+            h -= 1.0
+        while h < 0.0:
+            h += 1.0
+        self.fromhls(h, l, s)
+
+    def invert(self):
+        self.r ^= 0xFF
+        self.g ^= 0xFF
+        self.b ^= 0xFF
+
+    def saturation(self, factor):
+        h, l, s = self.tohls()
+        s = clamp(s * factor, 0.0, 1.0)
+        self.fromhls(h, l, s)
+
+    def grayscale(self):
+        luminance = self.luminance() & 0xFF
+        self.r = luminance
+        self.g = luminance
+        self.b = luminance
+
+    def sepia(self):
+        r = clamp(int((self.r * .393) + (self.g * .769) + (self.b * .189)), 0, 255) & 0xFF
+        g = clamp(int((self.r * .349) + (self.g * .686) + (self.b * .168)), 0, 255) & 0xFF
+        b = clamp(int((self.r * .272) + (self.g * .534) + (self.b * .131)), 0, 255) & 0xFF
+        self.r, self.g, self.b = r, g, b
+
+    def brightness(self, factor):
+        # Caculate brightness based on RGB luminance.
+        # Maybe HLS or HSV brightness adjustment is better?
+        def get_overage(c):
+            if c < 0.0:
+                o = 0.0 + c
+                c = 0.0
+            elif c > 255.0:
+                o = c - 255.0
+                c = 255.0
+            else:
+                o = 0.0
+            return o, c
+
+        def distribute_overage(c, o, s):
+            channels = len(s)
+            if channels == 0:
+                return c
+            parts = o / len(s)
+            if "r" in s and "g" in s:
+                c = c[0] + parts, c[1] + parts, c[2]
+            elif "r" in s and "b" in s:
+                c = c[0] + parts, c[1], c[2] + parts
+            elif "g" in s and "b" in s:
+                c = c[0], c[1] + parts, c[2] + parts
+            elif "r" in s:
+                c = c[0] + parts, c[1], c[2]
+            elif "g" in s:
+                c = c[0], c[1] + parts, c[2]
+            else:  # "b" in s:
+                c = c[0], c[1], c[2] + parts
+            return c
+
+        channels = ["r", "g", "b"]
+        total_lumes = clamp(self.luminance() + (255.0 * factor) - 255.0, 0.0, 255.0)
+
+        if total_lumes == 255:
+            # white
+            self.r, self.g, self.b = 0xFF, 0xFF, 0xFF
+        elif total_lumes == 0:
+            # black
+            self.r, self.g, self.b = 0x00, 0x00, 0x00
+        else:
+            # Adjust Brightness
+            pts = (total_lumes - 0.299 * self.r - 0.587 * self.g - 0.114 * self.b)
+            slots = set(channels)
+            components = [float(self.r) + pts, float(self.g) + pts, float(self.b) + pts]
+            count = 0
+            for c in channels:
+                overage, components[count] = get_overage(components[count])
+                if overage:
+                    slots.remove(c)
+                    components = list(distribute_overage(components, overage, slots))
+                count += 1
+
+            self.r = int(round(components[0])) & 0xFF
+            self.g = int(round(components[1])) & 0xFF
+            self.b = int(round(components[2])) & 0xFF

readme.md

@@ -19,6 +19,7 @@ All features are configurable via the settings file
 - Copy scope(s) to clipboard
 - Multi-select support for all output except status bar
 - Highlight scope extent
+- Show color scheme colors and selectors (may not work under some linux distros)
 
 # License
 
@@ -31,25 +32,3 @@ Permission is hereby granted, free of charge, to any person obtaining a copy of
 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-# Version 0.4.1
-- Console logging is back
-
-# Version 0.4.0
-- Add highlight scope extent option
-- Remove console logging
-
-# Version 0.3.0
-- Fix regression with on demand command
-
-# Version 0.2.1
-- Fix regression with on demand command
-
-# Version 0.2.0
-- Fix console setting not being checked
-- Fix output format
-- Do not log duplicate entries to console
-- Ignore widget views
-
-# Version 0.1.0
-- First release