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Add new stripped rgb/rgba color format 

This patch adds a new, more light-weight and quicker to type rgb/rgba
format that simple lists RGB(A) components separated by commas:
"3,43,234,255".
pull/8/head
Anton Tarasenko 3 years ago
parent
9f7671d9dd
commit
c8ed85387d
2 changed files with 153 additions and 12 deletions
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  1. 82
      sources/Color/ColorAPI.uc
  2. 75
      sources/Color/Tests/TEST_ColorAPI.uc

82
sources/Color/ColorAPI.uc
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@ -38,7 +38,11 @@ enum ColorDisplayType
// RGB format with tags; for pink: rgb(r=255,g=192,b=203)
CLRDISPLAY_RGB_TAG,
// RGBA format with tags; for pink: rgb(r=255,g=192,b=203,a=255)
CLRDISPLAY_RGBA_TAG
CLRDISPLAY_RGBA_TAG,
// Stripped RGB format; for pink: 255,192,203
CLRDISPLAY_RGB_STRIPPED,
// Stripped RGBA format; for opaque pink: 255,192,203,255
CLRDISPLAY_RGBA_STRIPPED
};
// Some useful predefined color values.
@ -737,7 +741,7 @@ private final function string ComponentToHex(byte component)
}
/**
* Displays given color as a string in a given style
* Displays given color as a `string` in a given style
* (hex color representation by default).
*
* @param colorToConvert Color to display as a `string`.
@ -773,15 +777,28 @@ public final function string ToStringType(
$ "g=" $ string(colorToConvert.g) $ ","
$ "b=" $ string(colorToConvert.b) $ ")";
}
//else if (displayType == CLRDISPLAY_RGBA_TAG)
else if (displayType == CLRDISPLAY_RGBA_TAG)
{
return "rgba(r=" $ string(colorToConvert.r) $ ","
$ "g=" $ string(colorToConvert.g) $ ","
$ "b=" $ string(colorToConvert.b) $ ","
$ "a=" $ string(colorToConvert.a) $ ")";
}
else if (displayType == CLRDISPLAY_RGB_STRIPPED)
{
return string(colorToConvert.r) $ ","
$ string(colorToConvert.g) $ ","
$ string(colorToConvert.b);
}
//else if (displayType == CLRDISPLAY_RGBA_STRIPPED)
return string(colorToConvert.r) $ ","
$ string(colorToConvert.g) $ ","
$ string(colorToConvert.b) $ ","
$ string(colorToConvert.a);
}
/**
* Displays given color as a string in RGB or RGBA format, depending on
* Displays given color as a `string` in RGB or RGBA format, depending on
* whether color is opaque.
*
* @param colorToConvert Color to display as a `string` in `CLRDISPLAY_RGB`
@ -796,7 +813,38 @@ public final function string ToString(Color colorToConvert)
return ToStringType(colorToConvert, CLRDISPLAY_RGB);
}
// Parses color in `CLRDISPLAY_RGB` and `CLRDISPLAY_RGB_TAG` representations.
/**
* Displays given color as a `Text` in a given style
* (hex color representation by default).
*
* @param colorToConvert Color to display as a `Text`.
* @param displayType `enum` value, describing how should color
* be displayed.
* @return `Text` representation of a given color in a given style.
* Guaranteed to not be `none`.
*/
public final function Text ToTextType(
Color colorToConvert,
optional ColorDisplayType displayType)
{
return _.text.FromString(ToStringType(colorToConvert, displayType));
}
/**
* Displays given color as a `Text` in RGB or RGBA format, depending on
* whether color is opaque.
*
* @param colorToConvert Color to display as a `Text` in `CLRDISPLAY_RGB`
* style if `colorToConvert.a == 255` and `CLRDISPLAY_RGBA` otherwise.
* @return `Text` representation of a given color in a given style.
*/
public final function Text ToText(Color colorToConvert)
{
return _.text.FromString(ToString(colorToConvert));
}
// Parses color in `CLRDISPLAY_RGB`, `CLRDISPLAY_RGB_TAG` and
// `CLRDISPLAY_RGB_STRIPPED` representations.
private final function Color ParseRGB(Parser parser)
{
local int redComponent;
@ -819,10 +867,18 @@ private final function Color ParseRGB(Parser parser)
.MatchS("b=", SCASE_INSENSITIVE)
.MInteger(blueComponent).MatchS(")");
}
if (!parser.Ok())
{
parser.RestoreState(initialParserState)
.MInteger(redComponent).MatchS(",")
.MInteger(greenComponent).MatchS(",")
.MInteger(blueComponent);
}
return RGB(redComponent, greenComponent, blueComponent);
}
// Parses color in `CLRDISPLAY_RGBA` and `CLRDISPLAY_RGBA_TAG` representations.
// Parses color in `CLRDISPLAY_RGBA`, `CLRDISPLAY_RGBA_TAG`
// and `CLRDISPLAY_RGBA_STRIPPED` representations.
private final function Color ParseRGBA(Parser parser)
{
local int redComponent;
@ -849,6 +905,14 @@ private final function Color ParseRGBA(Parser parser)
.MatchS("a=", SCASE_INSENSITIVE)
.MInteger(alphaComponent).MatchS(")");
}
if (!parser.Ok())
{
parser.RestoreState(initialParserState)
.MInteger(redComponent).MatchS(",")
.MInteger(greenComponent).MatchS(",")
.MInteger(blueComponent).MatchS(",")
.MInteger(alphaComponent);
}
return RGBA(redComponent, greenComponent, blueComponent, alphaComponent);
}
@ -901,11 +965,13 @@ public final function bool ParseWith(Parser parser, out Color resultingColor)
parser.RestoreState(initialParserState);
}
colorAlias.FreeSelf();
resultingColor = ParseRGB(colorParser);
// `CLRDISPLAY_RGBA_STRIPPED` format can be parsed as an incomplete
// `CLRDISPLAY_RGB_STRIPPED`, so we need to try parsing RGBA first
resultingColor = ParseRGBA(colorParser);
if (!colorParser.Ok())
{
colorParser.RestoreState(initialParserState);
resultingColor = ParseRGBA(colorParser);
resultingColor = ParseRGB(colorParser);
}
if (!colorParser.Ok())
{

75
sources/Color/Tests/TEST_ColorAPI.uc
Unescape View File

@ -184,6 +184,7 @@ protected static function Test_ToString()
{
Context("Testing `ColorAPI`'s `ToString()` function.");
SubTest_ToStringType();
SubTest_ToStringTypeStripped();
SubTest_ToString();
}
@ -225,6 +226,30 @@ protected static function SubTest_ToStringType()
~= "rgba(r=0,g=255,b=255,a=0)");
}
protected static function SubTest_ToStringTypeStripped()
{
local Color normalColor, borderValueColor;
normalColor = __().color.RGBA(24, 232, 187, 34);
borderValueColor = __().color.RGBA(0, 255, 255, 0);
Issue("`ToStringType()` improperly works with `CLRDISPLAY_RGB_STRIPPED`"
@ "option.");
TEST_ExpectTrue(
__().color.ToStringType(normalColor, CLRDISPLAY_RGB_STRIPPED)
~= "24,232,187");
TEST_ExpectTrue(
__().color.ToStringType(borderValueColor, CLRDISPLAY_RGB_STRIPPED)
~= "0,255,255");
Issue("`ToStringType()` improperly works with `CLRDISPLAY_RGBA_STRIPPED`"
@ "option.");
TEST_ExpectTrue(
__().color.ToStringType(normalColor, CLRDISPLAY_RGBA_STRIPPED)
~= "24,232,187,34");
TEST_ExpectTrue(
__().color.ToStringType(borderValueColor, CLRDISPLAY_RGBA_STRIPPED)
~= "0,255,255,0");
}
protected static function SubTest_ToString()
{
local Color opaqueColor, transparentColor;
@ -286,6 +311,9 @@ protected static function Test_Parse()
SubTest_ParseWithParser();
SubTest_ParseStringPlain();
SubTest_ParseText();
SubTest_ParseWithParserStripped();
SubTest_ParseStringPlainStripped();
SubTest_ParseTextStripped();
}
protected static function SubTest_ParseWithParser()
@ -392,6 +420,53 @@ protected static function SubTest_ParseText()
resultColor));
}
protected static function SubTest_ParseWithParserStripped()
{
local Color expectedColor, resultColor;
expectedColor = __().color.RGBA(154, 255, 0, 187);
Issue("`ParseWith()` cannot parse stripped rgb colors.");
TEST_ExpectTrue(__().color.ParseWith(
__().text.ParseString("154,255,0"),
resultColor));
TEST_ExpectTrue(__().color.AreEqual(resultColor, expectedColor));
Issue("`ParseWith()` cannot parse stripped rgba colors.");
TEST_ExpectTrue(__().color.ParseWith(
__().text.ParseString("154,255,0,187"),
resultColor));
TEST_ExpectTrue(__().color.AreEqualWithAlpha(resultColor, expectedColor));
}
protected static function SubTest_ParseStringPlainStripped()
{
local Color expectedColor, resultColor;
expectedColor = __().color.RGBA(154, 255, 0, 187);
Issue("`ParseString()` cannot parse stripped rgb colors.");
TEST_ExpectTrue(__().color.ParseString("154,255,0", resultColor));
TEST_ExpectTrue(__().color.AreEqual(resultColor, expectedColor));
Issue("`ParseString()` cannot parse stripped rgba colors.");
TEST_ExpectTrue(__().color.ParseString("154,255,0,187", resultColor));
TEST_ExpectTrue(__().color.AreEqualWithAlpha(resultColor, expectedColor));
}
protected static function SubTest_ParseTextStripped()
{
local Color expectedColor, resultColor;
expectedColor = __().color.RGBA(154, 255, 0, 187);
Issue("`Parse()` cannot parse stripped rgb colors.");
TEST_ExpectTrue(__().color.Parse(
__().text.FromString("154,255,0"),
resultColor));
TEST_ExpectTrue(__().color.AreEqual(resultColor, expectedColor));
Issue("`Parse()` cannot parse stripped rgba colors.");
TEST_ExpectTrue(__().color.Parse(
__().text.FromString("154,255,0,187"),
resultColor));
TEST_ExpectTrue(__().color.AreEqualWithAlpha(resultColor, expectedColor));
}
defaultproperties
{
caseName = "ColorAPI"

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