two version of R2R are here HEAD master

1 files changed, 301 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/pptx/dml/color.py b/.venv/lib/python3.12/site-packages/pptx/dml/color.py
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+"""DrawingML objects related to color, ColorFormat being the most prominent."""
+
+from __future__ import annotations
+
+from pptx.enum.dml import MSO_COLOR_TYPE, MSO_THEME_COLOR
+from pptx.oxml.dml.color import (
+    CT_HslColor,
+    CT_PresetColor,
+    CT_SchemeColor,
+    CT_ScRgbColor,
+    CT_SRgbColor,
+    CT_SystemColor,
+)
+
+
+class ColorFormat(object):
+    """
+    Provides access to color settings such as RGB color, theme color, and
+    luminance adjustments.
+    """
+
+    def __init__(self, eg_colorChoice_parent, color):
+        super(ColorFormat, self).__init__()
+        self._xFill = eg_colorChoice_parent
+        self._color = color
+
+    @property
+    def brightness(self):
+        """
+        Read/write float value between -1.0 and 1.0 indicating the brightness
+        adjustment for this color, e.g. -0.25 is 25% darker and 0.4 is 40%
+        lighter. 0 means no brightness adjustment.
+        """
+        return self._color.brightness
+
+    @brightness.setter
+    def brightness(self, value):
+        self._validate_brightness_value(value)
+        self._color.brightness = value
+
+    @classmethod
+    def from_colorchoice_parent(cls, eg_colorChoice_parent):
+        xClr = eg_colorChoice_parent.eg_colorChoice
+        color = _Color(xClr)
+        color_format = cls(eg_colorChoice_parent, color)
+        return color_format
+
+    @property
+    def rgb(self):
+        """
+        |RGBColor| value of this color, or None if no RGB color is explicitly
+        defined for this font. Setting this value to an |RGBColor| instance
+        causes its type to change to MSO_COLOR_TYPE.RGB. If the color was a
+        theme color with a brightness adjustment, the brightness adjustment
+        is removed when changing it to an RGB color.
+        """
+        return self._color.rgb
+
+    @rgb.setter
+    def rgb(self, rgb):
+        if not isinstance(rgb, RGBColor):
+            raise ValueError("assigned value must be type RGBColor")
+        # change to rgb color format if not already
+        if not isinstance(self._color, _SRgbColor):
+            srgbClr = self._xFill.get_or_change_to_srgbClr()
+            self._color = _SRgbColor(srgbClr)
+        # call _SRgbColor instance to do the setting
+        self._color.rgb = rgb
+
+    @property
+    def theme_color(self):
+        """Theme color value of this color.
+
+        Value is a member of :ref:`MsoThemeColorIndex`, e.g.
+        ``MSO_THEME_COLOR.ACCENT_1``. Raises AttributeError on access if the
+        color is not type ``MSO_COLOR_TYPE.SCHEME``. Assigning a member of
+        :ref:`MsoThemeColorIndex` causes the color's type to change to
+        ``MSO_COLOR_TYPE.SCHEME``.
+        """
+        return self._color.theme_color
+
+    @theme_color.setter
+    def theme_color(self, mso_theme_color_idx):
+        # change to theme color format if not already
+        if not isinstance(self._color, _SchemeColor):
+            schemeClr = self._xFill.get_or_change_to_schemeClr()
+            self._color = _SchemeColor(schemeClr)
+        self._color.theme_color = mso_theme_color_idx
+
+    @property
+    def type(self):
+        """
+        Read-only. A value from :ref:`MsoColorType`, either RGB or SCHEME,
+        corresponding to the way this color is defined, or None if no color
+        is defined at the level of this font.
+        """
+        return self._color.color_type
+
+    def _validate_brightness_value(self, value):
+        if value < -1.0 or value > 1.0:
+            raise ValueError("brightness must be number in range -1.0 to 1.0")
+        if isinstance(self._color, _NoneColor):
+            msg = (
+                "can't set brightness when color.type is None. Set color.rgb"
+                " or .theme_color first."
+            )
+            raise ValueError(msg)
+
+
+class _Color(object):
+    """
+    Object factory for color object of the appropriate type, also the base
+    class for all color type classes such as SRgbColor.
+    """
+
+    def __new__(cls, xClr):
+        color_cls = {
+            type(None): _NoneColor,
+            CT_HslColor: _HslColor,
+            CT_PresetColor: _PrstColor,
+            CT_SchemeColor: _SchemeColor,
+            CT_ScRgbColor: _ScRgbColor,
+            CT_SRgbColor: _SRgbColor,
+            CT_SystemColor: _SysColor,
+        }[type(xClr)]
+        return super(_Color, cls).__new__(color_cls)
+
+    def __init__(self, xClr):
+        super(_Color, self).__init__()
+        self._xClr = xClr
+
+    @property
+    def brightness(self):
+        lumMod, lumOff = self._xClr.lumMod, self._xClr.lumOff
+        # a tint is lighter, a shade is darker
+        # only tints have lumOff child
+        if lumOff is not None:
+            brightness = lumOff.val
+            return brightness
+        # which leaves shades, if lumMod is present
+        if lumMod is not None:
+            brightness = lumMod.val - 1.0
+            return brightness
+        # there's no brightness adjustment if no lum{Mod|Off} elements
+        return 0
+
+    @brightness.setter
+    def brightness(self, value):
+        if value > 0:
+            self._tint(value)
+        elif value < 0:
+            self._shade(value)
+        else:
+            self._xClr.clear_lum()
+
+    @property
+    def color_type(self):  # pragma: no cover
+        tmpl = ".color_type property must be implemented on %s"
+        raise NotImplementedError(tmpl % self.__class__.__name__)
+
+    @property
+    def rgb(self):
+        """
+        Raises TypeError on access unless overridden by subclass.
+        """
+        tmpl = "no .rgb property on color type '%s'"
+        raise AttributeError(tmpl % self.__class__.__name__)
+
+    @property
+    def theme_color(self):
+        """
+        Raises TypeError on access unless overridden by subclass.
+        """
+        return MSO_THEME_COLOR.NOT_THEME_COLOR
+
+    def _shade(self, value):
+        lumMod_val = 1.0 - abs(value)
+        color_elm = self._xClr.clear_lum()
+        color_elm.add_lumMod(lumMod_val)
+
+    def _tint(self, value):
+        lumOff_val = value
+        lumMod_val = 1.0 - lumOff_val
+        color_elm = self._xClr.clear_lum()
+        color_elm.add_lumMod(lumMod_val)
+        color_elm.add_lumOff(lumOff_val)
+
+
+class _HslColor(_Color):
+    @property
+    def color_type(self):
+        return MSO_COLOR_TYPE.HSL
+
+
+class _NoneColor(_Color):
+    @property
+    def color_type(self):
+        return None
+
+    @property
+    def theme_color(self):
+        """
+        Raise TypeError on attempt to access .theme_color when no color
+        choice is present.
+        """
+        tmpl = "no .theme_color property on color type '%s'"
+        raise AttributeError(tmpl % self.__class__.__name__)
+
+
+class _PrstColor(_Color):
+    @property
+    def color_type(self):
+        return MSO_COLOR_TYPE.PRESET
+
+
+class _SchemeColor(_Color):
+    def __init__(self, schemeClr):
+        super(_SchemeColor, self).__init__(schemeClr)
+        self._schemeClr = schemeClr
+
+    @property
+    def color_type(self):
+        return MSO_COLOR_TYPE.SCHEME
+
+    @property
+    def theme_color(self):
+        """
+        Theme color value of this color, one of those defined in the
+        MSO_THEME_COLOR enumeration, e.g. MSO_THEME_COLOR.ACCENT_1. None if
+        no theme color is explicitly defined for this font. Setting this to a
+        value in MSO_THEME_COLOR causes the color's type to change to
+        ``MSO_COLOR_TYPE.SCHEME``.
+        """
+        return self._schemeClr.val
+
+    @theme_color.setter
+    def theme_color(self, mso_theme_color_idx):
+        self._schemeClr.val = mso_theme_color_idx
+
+
+class _ScRgbColor(_Color):
+    @property
+    def color_type(self):
+        return MSO_COLOR_TYPE.SCRGB
+
+
+class _SRgbColor(_Color):
+    def __init__(self, srgbClr):
+        super(_SRgbColor, self).__init__(srgbClr)
+        self._srgbClr = srgbClr
+
+    @property
+    def color_type(self):
+        return MSO_COLOR_TYPE.RGB
+
+    @property
+    def rgb(self):
+        """
+        |RGBColor| value of this color, corresponding to the value in the
+        required ``val`` attribute of the ``<a:srgbColr>`` element.
+        """
+        return RGBColor.from_string(self._srgbClr.val)
+
+    @rgb.setter
+    def rgb(self, rgb):
+        self._srgbClr.val = str(rgb)
+
+
+class _SysColor(_Color):
+    @property
+    def color_type(self):
+        return MSO_COLOR_TYPE.SYSTEM
+
+
+class RGBColor(tuple):
+    """
+    Immutable value object defining a particular RGB color.
+    """
+
+    def __new__(cls, r, g, b):
+        msg = "RGBColor() takes three integer values 0-255"
+        for val in (r, g, b):
+            if not isinstance(val, int) or val < 0 or val > 255:
+                raise ValueError(msg)
+        return super(RGBColor, cls).__new__(cls, (r, g, b))
+
+    def __str__(self):
+        """
+        Return a hex string rgb value, like '3C2F80'
+        """
+        return "%02X%02X%02X" % self
+
+    @classmethod
+    def from_string(cls, rgb_hex_str):
+        """
+        Return a new instance from an RGB color hex string like ``'3C2F80'``.
+        """
+        r = int(rgb_hex_str[:2], 16)
+        g = int(rgb_hex_str[2:4], 16)
+        b = int(rgb_hex_str[4:], 16)
+        return cls(r, g, b)