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Diffstat (limited to 'fpdfsdk/javascript/color.cpp')
| -rw-r--r-- | fpdfsdk/javascript/color.cpp | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/fpdfsdk/javascript/color.cpp b/fpdfsdk/javascript/color.cpp new file mode 100644 index 0000000000..2681a8693e --- /dev/null +++ b/fpdfsdk/javascript/color.cpp @@ -0,0 +1,223 @@ +// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "fpdfsdk/javascript/color.h" + +#include <vector> + +#include "fpdfsdk/include/javascript/IJavaScript.h" +#include "fpdfsdk/javascript/JS_Context.h" +#include "fpdfsdk/javascript/JS_Define.h" +#include "fpdfsdk/javascript/JS_EventHandler.h" +#include "fpdfsdk/javascript/JS_Object.h" +#include "fpdfsdk/javascript/JS_Runtime.h" +#include "fpdfsdk/javascript/JS_Value.h" + +/* -------------------------- color -------------------------- */ + +BEGIN_JS_STATIC_CONST(CJS_Color) +END_JS_STATIC_CONST() + +BEGIN_JS_STATIC_PROP(CJS_Color) +JS_STATIC_PROP_ENTRY(black) +JS_STATIC_PROP_ENTRY(blue) +JS_STATIC_PROP_ENTRY(cyan) +JS_STATIC_PROP_ENTRY(dkGray) +JS_STATIC_PROP_ENTRY(gray) +JS_STATIC_PROP_ENTRY(green) +JS_STATIC_PROP_ENTRY(ltGray) +JS_STATIC_PROP_ENTRY(magenta) +JS_STATIC_PROP_ENTRY(red) +JS_STATIC_PROP_ENTRY(transparent) +JS_STATIC_PROP_ENTRY(white) +JS_STATIC_PROP_ENTRY(yellow) +END_JS_STATIC_PROP() + +BEGIN_JS_STATIC_METHOD(CJS_Color) +JS_STATIC_METHOD_ENTRY(convert) +JS_STATIC_METHOD_ENTRY(equal) +END_JS_STATIC_METHOD() + +IMPLEMENT_JS_CLASS(CJS_Color, color) + +color::color(CJS_Object* pJSObject) : CJS_EmbedObj(pJSObject) { + m_crTransparent = CPWL_Color(COLORTYPE_TRANSPARENT); + m_crBlack = CPWL_Color(COLORTYPE_GRAY, 0); + m_crWhite = CPWL_Color(COLORTYPE_GRAY, 1); + m_crRed = CPWL_Color(COLORTYPE_RGB, 1, 0, 0); + m_crGreen = CPWL_Color(COLORTYPE_RGB, 0, 1, 0); + m_crBlue = CPWL_Color(COLORTYPE_RGB, 0, 0, 1); + m_crCyan = CPWL_Color(COLORTYPE_CMYK, 1, 0, 0, 0); + m_crMagenta = CPWL_Color(COLORTYPE_CMYK, 0, 1, 0, 0); + m_crYellow = CPWL_Color(COLORTYPE_CMYK, 0, 0, 1, 0); + m_crDKGray = CPWL_Color(COLORTYPE_GRAY, 0.25); + m_crGray = CPWL_Color(COLORTYPE_GRAY, 0.5); + m_crLTGray = CPWL_Color(COLORTYPE_GRAY, 0.75); +} + +color::~color() {} + +void color::ConvertPWLColorToArray(const CPWL_Color& color, CJS_Array& array) { + switch (color.nColorType) { + case COLORTYPE_TRANSPARENT: + array.SetElement(0, CJS_Value(array.GetJSRuntime(), "T")); + break; + case COLORTYPE_GRAY: + array.SetElement(0, CJS_Value(array.GetJSRuntime(), "G")); + array.SetElement(1, CJS_Value(array.GetJSRuntime(), color.fColor1)); + break; + case COLORTYPE_RGB: + array.SetElement(0, CJS_Value(array.GetJSRuntime(), "RGB")); + array.SetElement(1, CJS_Value(array.GetJSRuntime(), color.fColor1)); + array.SetElement(2, CJS_Value(array.GetJSRuntime(), color.fColor2)); + array.SetElement(3, CJS_Value(array.GetJSRuntime(), color.fColor3)); + break; + case COLORTYPE_CMYK: + array.SetElement(0, CJS_Value(array.GetJSRuntime(), "CMYK")); + array.SetElement(1, CJS_Value(array.GetJSRuntime(), color.fColor1)); + array.SetElement(2, CJS_Value(array.GetJSRuntime(), color.fColor2)); + array.SetElement(3, CJS_Value(array.GetJSRuntime(), color.fColor3)); + array.SetElement(4, CJS_Value(array.GetJSRuntime(), color.fColor4)); + break; + } +} + +void color::ConvertArrayToPWLColor(CJS_Array& array, CPWL_Color& color) { + int nArrayLen = array.GetLength(); + if (nArrayLen < 1) + return; + + CJS_Value value(array.GetJSRuntime()); + array.GetElement(0, value); + CFX_ByteString sSpace = value.ToCFXByteString(); + + double d1 = 0; + double d2 = 0; + double d3 = 0; + double d4 = 0; + + if (nArrayLen > 1) { + array.GetElement(1, value); + d1 = value.ToDouble(); + } + + if (nArrayLen > 2) { + array.GetElement(2, value); + d2 = value.ToDouble(); + } + + if (nArrayLen > 3) { + array.GetElement(3, value); + d3 = value.ToDouble(); + } + + if (nArrayLen > 4) { + array.GetElement(4, value); + d4 = value.ToDouble(); + } + + if (sSpace == "T") { + color = CPWL_Color(COLORTYPE_TRANSPARENT); + } else if (sSpace == "G") { + color = CPWL_Color(COLORTYPE_GRAY, (FX_FLOAT)d1); + } else if (sSpace == "RGB") { + color = CPWL_Color(COLORTYPE_RGB, (FX_FLOAT)d1, (FX_FLOAT)d2, (FX_FLOAT)d3); + } else if (sSpace == "CMYK") { + color = CPWL_Color(COLORTYPE_CMYK, (FX_FLOAT)d1, (FX_FLOAT)d2, (FX_FLOAT)d3, + (FX_FLOAT)d4); + } +} + +#define JS_IMPLEMENT_COLORPROP(prop, var) \ + FX_BOOL color::prop(IJS_Context* cc, CJS_PropValue& vp, \ + CFX_WideString& sError) { \ + CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc); \ + CJS_Array array(pRuntime); \ + if (vp.IsGetting()) { \ + ConvertPWLColorToArray(var, array); \ + vp << array; \ + } else { \ + if (!vp.ConvertToArray(array)) \ + return FALSE; \ + ConvertArrayToPWLColor(array, var); \ + } \ + return TRUE; \ + } + +JS_IMPLEMENT_COLORPROP(transparent, m_crTransparent) +JS_IMPLEMENT_COLORPROP(black, m_crBlack) +JS_IMPLEMENT_COLORPROP(white, m_crWhite) +JS_IMPLEMENT_COLORPROP(red, m_crRed) +JS_IMPLEMENT_COLORPROP(green, m_crGreen) +JS_IMPLEMENT_COLORPROP(blue, m_crBlue) +JS_IMPLEMENT_COLORPROP(cyan, m_crCyan) +JS_IMPLEMENT_COLORPROP(magenta, m_crMagenta) +JS_IMPLEMENT_COLORPROP(yellow, m_crYellow) +JS_IMPLEMENT_COLORPROP(dkGray, m_crDKGray) +JS_IMPLEMENT_COLORPROP(gray, m_crGray) +JS_IMPLEMENT_COLORPROP(ltGray, m_crLTGray) + +FX_BOOL color::convert(IJS_Context* cc, + const std::vector<CJS_Value>& params, + CJS_Value& vRet, + CFX_WideString& sError) { + int iSize = params.size(); + if (iSize < 2) + return FALSE; + + CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc); + CJS_Array aSource(pRuntime); + if (!params[0].ConvertToArray(aSource)) + return FALSE; + + CPWL_Color crSource; + ConvertArrayToPWLColor(aSource, crSource); + + CFX_ByteString sDestSpace = params[1].ToCFXByteString(); + int nColorType = COLORTYPE_TRANSPARENT; + + if (sDestSpace == "T") { + nColorType = COLORTYPE_TRANSPARENT; + } else if (sDestSpace == "G") { + nColorType = COLORTYPE_GRAY; + } else if (sDestSpace == "RGB") { + nColorType = COLORTYPE_RGB; + } else if (sDestSpace == "CMYK") { + nColorType = COLORTYPE_CMYK; + } + + CJS_Array aDest(pRuntime); + CPWL_Color crDest = crSource; + crDest.ConvertColorType(nColorType); + ConvertPWLColorToArray(crDest, aDest); + vRet = aDest; + + return TRUE; +} + +FX_BOOL color::equal(IJS_Context* cc, + const std::vector<CJS_Value>& params, + CJS_Value& vRet, + CFX_WideString& sError) { + if (params.size() < 2) + return FALSE; + + CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc); + CJS_Array array1(pRuntime); + CJS_Array array2(pRuntime); + if (!params[0].ConvertToArray(array1)) + return FALSE; + if (!params[1].ConvertToArray(array2)) + return FALSE; + + CPWL_Color color1; + CPWL_Color color2; + ConvertArrayToPWLColor(array1, color1); + ConvertArrayToPWLColor(array2, color2); + color1.ConvertColorType(color2.nColorType); + vRet = color1 == color2; + return TRUE; +} |