| /* |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| // This file is available under and governed by the GNU General Public |
| // License version 2 only, as published by the Free Software Foundation. |
| // However, the following notice accompanied the original version of this |
| // file: |
| // |
| // |
| // Little cms |
| // Copyright (C) 1998-2007 Marti Maria |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining |
| // a copy of this software and associated documentation files (the "Software"), |
| // to deal in the Software without restriction, including without limitation |
| // the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| // and/or sell copies of the Software, and to permit persons to whom the Software |
| // is furnished to do so, subject to the following conditions: |
| // |
| // 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. |
| |
| |
| #include "lcms.h" |
| |
| |
| // Shaper/Matrix handling |
| // This routines handles the matrix-shaper method. A note about domain |
| // is here required. If the shaper-matrix is invoked on INPUT profiles, |
| // after the shaper process, we have a value between 0 and 0xFFFF. Thus, |
| // for proper matrix handling, we must convert it to 15fix16, so |
| // ToFixedDomain might be called. But cmsLinearInterpFixed() returns |
| // data yet in fixed point, so no additional process is required. |
| // Then, we obtain data on 15.16, so we need to shift >> by 1 to |
| // obtain 1.15 PCS format. |
| |
| // On OUTPUT profiles, things are inverse, we must first expand 1 bit |
| // by shifting left, and then convert result between 0 and 1.000 to |
| // RGB, so FromFixedDomain() must be called before pass values to |
| // shaper. Trickly, there is a situation where this shifts works |
| // little different. Sometimes, lcms smelts input/output |
| // matrices into a single, one shaper, process. In such cases, since |
| // input is encoded from 0 to 0xffff, we must first use the shaper and |
| // then the matrix, an additional FromFixedDomain() must be used to |
| // accomodate output values. |
| |
| // For a sake of simplicity, I will handle this three behaviours |
| // with different routines, so the flags MATSHAPER_INPUT and MATSHAPER_OUTPUT |
| // can be conbined to signal smelted matrix-shapers |
| |
| |
| |
| static |
| int ComputeTables(LPGAMMATABLE Table[3], LPWORD Out[3], LPL16PARAMS p16) |
| { |
| int i, AllLinear; |
| |
| cmsCalcL16Params(Table[0] -> nEntries, p16); |
| |
| AllLinear = 0; |
| for (i=0; i < 3; i++) |
| { |
| LPWORD PtrW; |
| |
| PtrW = (LPWORD) _cmsMalloc(sizeof(WORD) * p16 -> nSamples); |
| |
| if (PtrW == NULL) return -1; // Signal error |
| |
| CopyMemory(PtrW, Table[i] -> GammaTable, sizeof(WORD) * Table[i] -> nEntries); |
| |
| Out[i] = PtrW; // Set table pointer |
| |
| // Linear after all? |
| |
| AllLinear += cmsIsLinear(PtrW, p16 -> nSamples); |
| } |
| |
| // If is all linear, then supress table interpolation (this |
| // will speed greately some trivial operations. |
| // Return 1 if present, 0 if all linear |
| |
| |
| if (AllLinear != 3) return 1; |
| |
| return 0; |
| |
| } |
| |
| |
| LPMATSHAPER cmsAllocMatShaper2(LPMAT3 Matrix, LPGAMMATABLE In[], LPGAMMATABLE Out[], DWORD Behaviour) |
| { |
| LPMATSHAPER NewMatShaper; |
| int rc; |
| |
| NewMatShaper = (LPMATSHAPER) _cmsMalloc(sizeof(MATSHAPER)); |
| if (NewMatShaper) |
| ZeroMemory(NewMatShaper, sizeof(MATSHAPER)); |
| |
| NewMatShaper->dwFlags = Behaviour & (MATSHAPER_ALLSMELTED); |
| |
| // Fill matrix part |
| |
| MAT3toFix(&NewMatShaper -> Matrix, Matrix); |
| |
| // Reality check |
| |
| if (!MAT3isIdentity(&NewMatShaper -> Matrix, 0.00001)) |
| NewMatShaper -> dwFlags |= MATSHAPER_HASMATRIX; |
| |
| // Now, on the table characteristics |
| |
| if (Out) { |
| |
| rc = ComputeTables(Out, NewMatShaper ->L, &NewMatShaper ->p16); |
| if (rc < 0) { |
| cmsFreeMatShaper(NewMatShaper); |
| return NULL; |
| } |
| if (rc == 1) NewMatShaper -> dwFlags |= MATSHAPER_HASSHAPER; |
| } |
| |
| |
| if (In) { |
| |
| rc = ComputeTables(In, NewMatShaper ->L2, &NewMatShaper ->p2_16); |
| if (rc < 0) { |
| cmsFreeMatShaper(NewMatShaper); |
| return NULL; |
| } |
| if (rc == 1) NewMatShaper -> dwFlags |= MATSHAPER_HASINPSHAPER; |
| } |
| |
| |
| return NewMatShaper; |
| |
| } |
| |
| |
| |
| // Creation & Destruction |
| |
| LPMATSHAPER cmsAllocMatShaper(LPMAT3 Matrix, LPGAMMATABLE Tables[], DWORD Behaviour) |
| { |
| LPMATSHAPER NewMatShaper; |
| int i, AllLinear; |
| |
| if (Matrix == NULL) return NULL; |
| for (i=0; i < 3; i++) { |
| |
| if (Tables[i] == NULL) return NULL; |
| } |
| |
| NewMatShaper = (LPMATSHAPER) _cmsMalloc(sizeof(MATSHAPER)); |
| if (NewMatShaper) |
| ZeroMemory(NewMatShaper, sizeof(MATSHAPER)); |
| |
| NewMatShaper->dwFlags = Behaviour & (MATSHAPER_ALLSMELTED); |
| |
| // Fill matrix part |
| |
| MAT3toFix(&NewMatShaper -> Matrix, Matrix); |
| |
| // Reality check |
| |
| if (!MAT3isIdentity(&NewMatShaper -> Matrix, 0.00001)) |
| NewMatShaper -> dwFlags |= MATSHAPER_HASMATRIX; |
| |
| // Now, on the table characteristics |
| cmsCalcL16Params(Tables[0] -> nEntries, &NewMatShaper -> p16); |
| |
| // Copy tables |
| |
| AllLinear = 0; |
| for (i=0; i < 3; i++) { |
| |
| LPWORD PtrW; |
| |
| PtrW = (LPWORD) _cmsMalloc(sizeof(WORD) * NewMatShaper -> p16.nSamples); |
| |
| if (PtrW == NULL) { |
| cmsFreeMatShaper(NewMatShaper); |
| return NULL; |
| } |
| |
| CopyMemory(PtrW, Tables[i] -> GammaTable, |
| sizeof(WORD) * Tables[i] -> nEntries); |
| |
| NewMatShaper -> L[i] = PtrW; // Set table pointer |
| |
| // Linear after all? |
| |
| AllLinear += cmsIsLinear(PtrW, NewMatShaper -> p16.nSamples); |
| } |
| |
| // If is all linear, then supress table interpolation (this |
| // will speed greately some trivial operations |
| |
| if (AllLinear != 3) |
| NewMatShaper -> dwFlags |= MATSHAPER_HASSHAPER; |
| |
| return NewMatShaper; |
| } |
| |
| |
| |
| // Free associated memory |
| |
| void cmsFreeMatShaper(LPMATSHAPER MatShaper) |
| { |
| int i; |
| |
| if (!MatShaper) return; |
| |
| for (i=0; i < 3; i++) |
| { |
| if (MatShaper -> L[i]) _cmsFree(MatShaper ->L[i]); |
| if (MatShaper -> L2[i]) _cmsFree(MatShaper ->L2[i]); |
| } |
| |
| _cmsFree(MatShaper); |
| } |
| |
| |
| // All smelted must postpose gamma to last stage. |
| |
| static |
| void AllSmeltedBehaviour(LPMATSHAPER MatShaper, WORD In[], WORD Out[]) |
| { |
| |
| WORD tmp[3]; |
| WVEC3 InVect, OutVect; |
| |
| if (MatShaper -> dwFlags & MATSHAPER_HASINPSHAPER) |
| { |
| InVect.n[VX] = cmsLinearInterpFixed(In[0], MatShaper -> L2[0], &MatShaper -> p2_16); |
| InVect.n[VY] = cmsLinearInterpFixed(In[1], MatShaper -> L2[1], &MatShaper -> p2_16); |
| InVect.n[VZ] = cmsLinearInterpFixed(In[2], MatShaper -> L2[2], &MatShaper -> p2_16); |
| } |
| else |
| { |
| InVect.n[VX] = ToFixedDomain(In[0]); |
| InVect.n[VY] = ToFixedDomain(In[1]); |
| InVect.n[VZ] = ToFixedDomain(In[2]); |
| } |
| |
| |
| if (MatShaper -> dwFlags & MATSHAPER_HASMATRIX) |
| { |
| |
| MAT3evalW(&OutVect, &MatShaper -> Matrix, &InVect); |
| } |
| else { |
| |
| OutVect.n[VX] = InVect.n[VX]; |
| OutVect.n[VY] = InVect.n[VY]; |
| OutVect.n[VZ] = InVect.n[VZ]; |
| } |
| |
| |
| tmp[0] = _cmsClampWord(FromFixedDomain(OutVect.n[VX])); |
| tmp[1] = _cmsClampWord(FromFixedDomain(OutVect.n[VY])); |
| tmp[2] = _cmsClampWord(FromFixedDomain(OutVect.n[VZ])); |
| |
| |
| |
| if (MatShaper -> dwFlags & MATSHAPER_HASSHAPER) |
| { |
| Out[0] = cmsLinearInterpLUT16(tmp[0], MatShaper -> L[0], &MatShaper -> p16); |
| Out[1] = cmsLinearInterpLUT16(tmp[1], MatShaper -> L[1], &MatShaper -> p16); |
| Out[2] = cmsLinearInterpLUT16(tmp[2], MatShaper -> L[2], &MatShaper -> p16); |
| } |
| else |
| { |
| Out[0] = tmp[0]; |
| Out[1] = tmp[1]; |
| Out[2] = tmp[2]; |
| } |
| |
| } |
| |
| |
| static |
| void InputBehaviour(LPMATSHAPER MatShaper, WORD In[], WORD Out[]) |
| { |
| WVEC3 InVect, OutVect; |
| |
| |
| if (MatShaper -> dwFlags & MATSHAPER_HASSHAPER) |
| { |
| InVect.n[VX] = cmsLinearInterpFixed(In[0], MatShaper -> L[0], &MatShaper -> p16); |
| InVect.n[VY] = cmsLinearInterpFixed(In[1], MatShaper -> L[1], &MatShaper -> p16); |
| InVect.n[VZ] = cmsLinearInterpFixed(In[2], MatShaper -> L[2], &MatShaper -> p16); |
| } |
| else |
| { |
| InVect.n[VX] = ToFixedDomain(In[0]); |
| InVect.n[VY] = ToFixedDomain(In[1]); |
| InVect.n[VZ] = ToFixedDomain(In[2]); |
| } |
| |
| if (MatShaper -> dwFlags & MATSHAPER_HASMATRIX) |
| { |
| MAT3evalW(&OutVect, &MatShaper -> Matrix, &InVect); |
| } |
| else |
| { |
| OutVect = InVect; |
| } |
| |
| // PCS in 1Fixed15 format, adjusting |
| |
| Out[0] = _cmsClampWord((OutVect.n[VX]) >> 1); |
| Out[1] = _cmsClampWord((OutVect.n[VY]) >> 1); |
| Out[2] = _cmsClampWord((OutVect.n[VZ]) >> 1); |
| |
| } |
| |
| |
| static |
| void OutputBehaviour(LPMATSHAPER MatShaper, WORD In[], WORD Out[]) |
| { |
| WVEC3 InVect, OutVect; |
| int i; |
| |
| // We need to convert from XYZ to RGB, here we must |
| // shift << 1 to pass between 1.15 to 15.16 formats |
| |
| InVect.n[VX] = (Fixed32) In[0] << 1; |
| InVect.n[VY] = (Fixed32) In[1] << 1; |
| InVect.n[VZ] = (Fixed32) In[2] << 1; |
| |
| if (MatShaper -> dwFlags & MATSHAPER_HASMATRIX) |
| { |
| MAT3evalW(&OutVect, &MatShaper -> Matrix, &InVect); |
| } |
| else |
| { |
| OutVect = InVect; |
| } |
| |
| |
| if (MatShaper -> dwFlags & MATSHAPER_HASSHAPER) |
| { |
| for (i=0; i < 3; i++) |
| { |
| |
| Out[i] = cmsLinearInterpLUT16( |
| _cmsClampWord(FromFixedDomain(OutVect.n[i])), |
| MatShaper -> L[i], |
| &MatShaper ->p16); |
| } |
| } |
| else |
| { |
| // Result from fixed domain to RGB |
| |
| Out[0] = _cmsClampWord(FromFixedDomain(OutVect.n[VX])); |
| Out[1] = _cmsClampWord(FromFixedDomain(OutVect.n[VY])); |
| Out[2] = _cmsClampWord(FromFixedDomain(OutVect.n[VZ])); |
| } |
| |
| } |
| |
| |
| // Master on evaluating shapers, 3 different behaviours |
| |
| void cmsEvalMatShaper(LPMATSHAPER MatShaper, WORD In[], WORD Out[]) |
| { |
| |
| if ((MatShaper -> dwFlags & MATSHAPER_ALLSMELTED) == MATSHAPER_ALLSMELTED) |
| { |
| AllSmeltedBehaviour(MatShaper, In, Out); |
| return; |
| } |
| if (MatShaper -> dwFlags & MATSHAPER_INPUT) |
| { |
| InputBehaviour(MatShaper, In, Out); |
| return; |
| } |
| |
| OutputBehaviour(MatShaper, In, Out); |
| } |
