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0fd9123eac
This patch was generated by a script. Here's the source of the script for
future reference:
function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
! -wholename "*security/nss*" \
! -wholename "*/.hg*" \
! -wholename "obj-ff-dbg*" \
! -name nsXPCOMCID.h \
! -name prtypes.h \
-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.c" \
-o -iname "*.cc" \
-o -iname "*.idl" \
-o -iname "*.ipdl" \
-o -iname "*.ipdlh" \
-o -iname "*.mm" \) | \
xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}
convert PRInt8 int8_t
convert PRUint8 uint8_t
convert PRInt16 int16_t
convert PRUint16 uint16_t
convert PRInt32 int32_t
convert PRUint32 uint32_t
convert PRInt64 int64_t
convert PRUint64 uint64_t
convert PRIntn int
convert PRUintn unsigned
convert PRSize size_t
convert PROffset32 int32_t
convert PROffset64 int64_t
convert PRPtrdiff ptrdiff_t
convert PRFloat64 double
74 lines
2.8 KiB
C++
74 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsColor_h___
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#define nsColor_h___
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#include "gfxCore.h"
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#include "nscore.h"
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class nsAString;
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class nsString;
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class nsCString;
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// A color is a 32 bit unsigned integer with four components: R, G, B
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// and A.
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typedef uint32_t nscolor;
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// Make a color out of r,g,b values. This assumes that the r,g,b values are
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// properly constrained to 0-255. This also assumes that a is 255.
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#define NS_RGB(_r,_g,_b) \
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((nscolor) ((255 << 24) | ((_b)<<16) | ((_g)<<8) | (_r)))
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// Make a color out of r,g,b,a values. This assumes that the r,g,b,a
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// values are properly constrained to 0-255.
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#define NS_RGBA(_r,_g,_b,_a) \
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((nscolor) (((_a) << 24) | ((_b)<<16) | ((_g)<<8) | (_r)))
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// Extract color components from nscolor
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#define NS_GET_R(_rgba) ((uint8_t) ((_rgba) & 0xff))
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#define NS_GET_G(_rgba) ((uint8_t) (((_rgba) >> 8) & 0xff))
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#define NS_GET_B(_rgba) ((uint8_t) (((_rgba) >> 16) & 0xff))
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#define NS_GET_A(_rgba) ((uint8_t) (((_rgba) >> 24) & 0xff))
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// Fast approximate division by 255. It has the property that
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// for all 0 <= n <= 255*255, FAST_DIVIDE_BY_255(n) == n/255.
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// But it only uses two adds and two shifts instead of an
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// integer division (which is expensive on many processors).
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//
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// equivalent to target=v/255
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#define FAST_DIVIDE_BY_255(target,v) \
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PR_BEGIN_MACRO \
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unsigned tmp_ = v; \
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target = ((tmp_ << 8) + tmp_ + 255) >> 16; \
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PR_END_MACRO
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// Translate a hex string to a color. Return true if it parses ok,
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// otherwise return false.
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// This accepts only 3 or 6 digits
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NS_GFX_(bool) NS_HexToRGB(const nsString& aBuf, nscolor* aResult);
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// Compose one NS_RGB color onto another. The result is what
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// you get if you draw aFG on top of aBG with operator OVER.
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NS_GFX_(nscolor) NS_ComposeColors(nscolor aBG, nscolor aFG);
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// Translate a hex string to a color. Return true if it parses ok,
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// otherwise return false.
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// This version accepts 1 to 9 digits (missing digits are 0)
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NS_GFX_(bool) NS_LooseHexToRGB(const nsString& aBuf, nscolor* aResult);
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// There is no function to translate a color to a hex string, because
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// the hex-string syntax does not support transparency.
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// Translate a color name to a color. Return true if it parses ok,
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// otherwise return false.
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NS_GFX_(bool) NS_ColorNameToRGB(const nsAString& aBuf, nscolor* aResult);
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// function to convert from HSL color space to RGB color space
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// the float parameters are all expected to be in the range 0-1
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NS_GFX_(nscolor) NS_HSL2RGB(float h, float s, float l);
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#endif /* nsColor_h___ */
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