/*****************************************************************************/ // Copyright 2006-2023 Adobe Systems Incorporated // All Rights Reserved. // // NOTICE: Adobe permits you to use, modify, and distribute this file in // accordance with the terms of the Adobe license agreement accompanying it. /*****************************************************************************/ #include "dng_render.h" #include "dng_1d_table.h" #include "dng_big_table.h" #include "dng_bottlenecks.h" #include "dng_camera_profile.h" #include "dng_color_space.h" #include "dng_color_spec.h" #include "dng_filter_task.h" #include "dng_host.h" #include "dng_image.h" #include "dng_negative.h" #include "dng_reference.h" #include "dng_render.h" #include "dng_resample.h" #include "dng_safe_arithmetic.h" #include "dng_utils.h" /*****************************************************************************/ dng_function_zero_offset::dng_function_zero_offset (real64 zeroOffset) : fZeroOffset (zeroOffset) , fScale (1.0 / (1.0 - zeroOffset)) { } /*****************************************************************************/ real64 dng_function_zero_offset::Evaluate (real64 x) const { return Pin_real64 (0.0, (x - fZeroOffset) * fScale, 1.0); } /*****************************************************************************/ dng_function_exposure_ramp::dng_function_exposure_ramp (real64 white, real64 black, real64 minBlack, bool supportOverrange) : fSlope (1.0 / (white - black)) , fBlack (black) , fRadius (0.0) , fQScale (0.0) , fSupportOverrange (supportOverrange) { const real64 kMaxCurveX = 0.5; // Fraction of minBlack. const real64 kMaxCurveY = 1.0 / 16.0; // Fraction of white. fRadius = Min_real64 (kMaxCurveX * minBlack, kMaxCurveY / fSlope); if (fRadius > 0.0) fQScale= fSlope / (4.0 * fRadius); else fQScale = 0.0; } /*****************************************************************************/ real64 dng_function_exposure_ramp::Evaluate (real64 x) const { if (x <= fBlack - fRadius) return 0.0; if (x >= fBlack + fRadius) { real64 y = (x - fBlack) * fSlope; if (!fSupportOverrange) y = Min_real64 (y, 1.0); return y; } real64 y = x - (fBlack - fRadius); return fQScale * y * y; } /*****************************************************************************/ dng_function_exposure_tone::dng_function_exposure_tone (real64 exposure) : fIsNOP (exposure >= 0.0) , fSlope (0.0) , a (0.0) , b (0.0) , c (0.0) { if (!fIsNOP) { // Find slope to use for the all except the highest two f-stops. fSlope = pow (2.0, exposure); // Find quadradic parameters that match this darking at the crossover // point, yet still map pure white to pure white. a = 16.0 / 9.0 * (1.0 - fSlope); b = fSlope - 0.5 * a; c = 1.0 - a - b; } } /*****************************************************************************/ real64 dng_function_exposure_tone::Evaluate (real64 x) const { if (!fIsNOP) { if (x <= 0.25) x = x * fSlope; else x = (a * x + b) * x + c; } return x; } /*****************************************************************************/ real64 dng_tone_curve_acr3_default::Evaluate (real64 x) const { static const real32 kTable [] = { 0.00000f, 0.00078f, 0.00160f, 0.00242f, 0.00314f, 0.00385f, 0.00460f, 0.00539f, 0.00623f, 0.00712f, 0.00806f, 0.00906f, 0.01012f, 0.01122f, 0.01238f, 0.01359f, 0.01485f, 0.01616f, 0.01751f, 0.01890f, 0.02033f, 0.02180f, 0.02331f, 0.02485f, 0.02643f, 0.02804f, 0.02967f, 0.03134f, 0.03303f, 0.03475f, 0.03648f, 0.03824f, 0.04002f, 0.04181f, 0.04362f, 0.04545f, 0.04730f, 0.04916f, 0.05103f, 0.05292f, 0.05483f, 0.05675f, 0.05868f, 0.06063f, 0.06259f, 0.06457f, 0.06655f, 0.06856f, 0.07057f, 0.07259f, 0.07463f, 0.07668f, 0.07874f, 0.08081f, 0.08290f, 0.08499f, 0.08710f, 0.08921f, 0.09134f, 0.09348f, 0.09563f, 0.09779f, 0.09996f, 0.10214f, 0.10433f, 0.10652f, 0.10873f, 0.11095f, 0.11318f, 0.11541f, 0.11766f, 0.11991f, 0.12218f, 0.12445f, 0.12673f, 0.12902f, 0.13132f, 0.13363f, 0.13595f, 0.13827f, 0.14061f, 0.14295f, 0.14530f, 0.14765f, 0.15002f, 0.15239f, 0.15477f, 0.15716f, 0.15956f, 0.16197f, 0.16438f, 0.16680f, 0.16923f, 0.17166f, 0.17410f, 0.17655f, 0.17901f, 0.18148f, 0.18395f, 0.18643f, 0.18891f, 0.19141f, 0.19391f, 0.19641f, 0.19893f, 0.20145f, 0.20398f, 0.20651f, 0.20905f, 0.21160f, 0.21416f, 0.21672f, 0.21929f, 0.22185f, 0.22440f, 0.22696f, 0.22950f, 0.23204f, 0.23458f, 0.23711f, 0.23963f, 0.24215f, 0.24466f, 0.24717f, 0.24967f, 0.25216f, 0.25465f, 0.25713f, 0.25961f, 0.26208f, 0.26454f, 0.26700f, 0.26945f, 0.27189f, 0.27433f, 0.27676f, 0.27918f, 0.28160f, 0.28401f, 0.28641f, 0.28881f, 0.29120f, 0.29358f, 0.29596f, 0.29833f, 0.30069f, 0.30305f, 0.30540f, 0.30774f, 0.31008f, 0.31241f, 0.31473f, 0.31704f, 0.31935f, 0.32165f, 0.32395f, 0.32623f, 0.32851f, 0.33079f, 0.33305f, 0.33531f, 0.33756f, 0.33981f, 0.34205f, 0.34428f, 0.34650f, 0.34872f, 0.35093f, 0.35313f, 0.35532f, 0.35751f, 0.35969f, 0.36187f, 0.36404f, 0.36620f, 0.36835f, 0.37050f, 0.37264f, 0.37477f, 0.37689f, 0.37901f, 0.38112f, 0.38323f, 0.38533f, 0.38742f, 0.38950f, 0.39158f, 0.39365f, 0.39571f, 0.39777f, 0.39982f, 0.40186f, 0.40389f, 0.40592f, 0.40794f, 0.40996f, 0.41197f, 0.41397f, 0.41596f, 0.41795f, 0.41993f, 0.42191f, 0.42388f, 0.42584f, 0.42779f, 0.42974f, 0.43168f, 0.43362f, 0.43554f, 0.43747f, 0.43938f, 0.44129f, 0.44319f, 0.44509f, 0.44698f, 0.44886f, 0.45073f, 0.45260f, 0.45447f, 0.45632f, 0.45817f, 0.46002f, 0.46186f, 0.46369f, 0.46551f, 0.46733f, 0.46914f, 0.47095f, 0.47275f, 0.47454f, 0.47633f, 0.47811f, 0.47989f, 0.48166f, 0.48342f, 0.48518f, 0.48693f, 0.48867f, 0.49041f, 0.49214f, 0.49387f, 0.49559f, 0.49730f, 0.49901f, 0.50072f, 0.50241f, 0.50410f, 0.50579f, 0.50747f, 0.50914f, 0.51081f, 0.51247f, 0.51413f, 0.51578f, 0.51742f, 0.51906f, 0.52069f, 0.52232f, 0.52394f, 0.52556f, 0.52717f, 0.52878f, 0.53038f, 0.53197f, 0.53356f, 0.53514f, 0.53672f, 0.53829f, 0.53986f, 0.54142f, 0.54297f, 0.54452f, 0.54607f, 0.54761f, 0.54914f, 0.55067f, 0.55220f, 0.55371f, 0.55523f, 0.55673f, 0.55824f, 0.55973f, 0.56123f, 0.56271f, 0.56420f, 0.56567f, 0.56715f, 0.56861f, 0.57007f, 0.57153f, 0.57298f, 0.57443f, 0.57587f, 0.57731f, 0.57874f, 0.58017f, 0.58159f, 0.58301f, 0.58443f, 0.58583f, 0.58724f, 0.58864f, 0.59003f, 0.59142f, 0.59281f, 0.59419f, 0.59556f, 0.59694f, 0.59830f, 0.59966f, 0.60102f, 0.60238f, 0.60373f, 0.60507f, 0.60641f, 0.60775f, 0.60908f, 0.61040f, 0.61173f, 0.61305f, 0.61436f, 0.61567f, 0.61698f, 0.61828f, 0.61957f, 0.62087f, 0.62216f, 0.62344f, 0.62472f, 0.62600f, 0.62727f, 0.62854f, 0.62980f, 0.63106f, 0.63232f, 0.63357f, 0.63482f, 0.63606f, 0.63730f, 0.63854f, 0.63977f, 0.64100f, 0.64222f, 0.64344f, 0.64466f, 0.64587f, 0.64708f, 0.64829f, 0.64949f, 0.65069f, 0.65188f, 0.65307f, 0.65426f, 0.65544f, 0.65662f, 0.65779f, 0.65897f, 0.66013f, 0.66130f, 0.66246f, 0.66362f, 0.66477f, 0.66592f, 0.66707f, 0.66821f, 0.66935f, 0.67048f, 0.67162f, 0.67275f, 0.67387f, 0.67499f, 0.67611f, 0.67723f, 0.67834f, 0.67945f, 0.68055f, 0.68165f, 0.68275f, 0.68385f, 0.68494f, 0.68603f, 0.68711f, 0.68819f, 0.68927f, 0.69035f, 0.69142f, 0.69249f, 0.69355f, 0.69461f, 0.69567f, 0.69673f, 0.69778f, 0.69883f, 0.69988f, 0.70092f, 0.70196f, 0.70300f, 0.70403f, 0.70506f, 0.70609f, 0.70711f, 0.70813f, 0.70915f, 0.71017f, 0.71118f, 0.71219f, 0.71319f, 0.71420f, 0.71520f, 0.71620f, 0.71719f, 0.71818f, 0.71917f, 0.72016f, 0.72114f, 0.72212f, 0.72309f, 0.72407f, 0.72504f, 0.72601f, 0.72697f, 0.72794f, 0.72890f, 0.72985f, 0.73081f, 0.73176f, 0.73271f, 0.73365f, 0.73460f, 0.73554f, 0.73647f, 0.73741f, 0.73834f, 0.73927f, 0.74020f, 0.74112f, 0.74204f, 0.74296f, 0.74388f, 0.74479f, 0.74570f, 0.74661f, 0.74751f, 0.74842f, 0.74932f, 0.75021f, 0.75111f, 0.75200f, 0.75289f, 0.75378f, 0.75466f, 0.75555f, 0.75643f, 0.75730f, 0.75818f, 0.75905f, 0.75992f, 0.76079f, 0.76165f, 0.76251f, 0.76337f, 0.76423f, 0.76508f, 0.76594f, 0.76679f, 0.76763f, 0.76848f, 0.76932f, 0.77016f, 0.77100f, 0.77183f, 0.77267f, 0.77350f, 0.77432f, 0.77515f, 0.77597f, 0.77680f, 0.77761f, 0.77843f, 0.77924f, 0.78006f, 0.78087f, 0.78167f, 0.78248f, 0.78328f, 0.78408f, 0.78488f, 0.78568f, 0.78647f, 0.78726f, 0.78805f, 0.78884f, 0.78962f, 0.79040f, 0.79118f, 0.79196f, 0.79274f, 0.79351f, 0.79428f, 0.79505f, 0.79582f, 0.79658f, 0.79735f, 0.79811f, 0.79887f, 0.79962f, 0.80038f, 0.80113f, 0.80188f, 0.80263f, 0.80337f, 0.80412f, 0.80486f, 0.80560f, 0.80634f, 0.80707f, 0.80780f, 0.80854f, 0.80926f, 0.80999f, 0.81072f, 0.81144f, 0.81216f, 0.81288f, 0.81360f, 0.81431f, 0.81503f, 0.81574f, 0.81645f, 0.81715f, 0.81786f, 0.81856f, 0.81926f, 0.81996f, 0.82066f, 0.82135f, 0.82205f, 0.82274f, 0.82343f, 0.82412f, 0.82480f, 0.82549f, 0.82617f, 0.82685f, 0.82753f, 0.82820f, 0.82888f, 0.82955f, 0.83022f, 0.83089f, 0.83155f, 0.83222f, 0.83288f, 0.83354f, 0.83420f, 0.83486f, 0.83552f, 0.83617f, 0.83682f, 0.83747f, 0.83812f, 0.83877f, 0.83941f, 0.84005f, 0.84069f, 0.84133f, 0.84197f, 0.84261f, 0.84324f, 0.84387f, 0.84450f, 0.84513f, 0.84576f, 0.84639f, 0.84701f, 0.84763f, 0.84825f, 0.84887f, 0.84949f, 0.85010f, 0.85071f, 0.85132f, 0.85193f, 0.85254f, 0.85315f, 0.85375f, 0.85436f, 0.85496f, 0.85556f, 0.85615f, 0.85675f, 0.85735f, 0.85794f, 0.85853f, 0.85912f, 0.85971f, 0.86029f, 0.86088f, 0.86146f, 0.86204f, 0.86262f, 0.86320f, 0.86378f, 0.86435f, 0.86493f, 0.86550f, 0.86607f, 0.86664f, 0.86720f, 0.86777f, 0.86833f, 0.86889f, 0.86945f, 0.87001f, 0.87057f, 0.87113f, 0.87168f, 0.87223f, 0.87278f, 0.87333f, 0.87388f, 0.87443f, 0.87497f, 0.87552f, 0.87606f, 0.87660f, 0.87714f, 0.87768f, 0.87821f, 0.87875f, 0.87928f, 0.87981f, 0.88034f, 0.88087f, 0.88140f, 0.88192f, 0.88244f, 0.88297f, 0.88349f, 0.88401f, 0.88453f, 0.88504f, 0.88556f, 0.88607f, 0.88658f, 0.88709f, 0.88760f, 0.88811f, 0.88862f, 0.88912f, 0.88963f, 0.89013f, 0.89063f, 0.89113f, 0.89163f, 0.89212f, 0.89262f, 0.89311f, 0.89360f, 0.89409f, 0.89458f, 0.89507f, 0.89556f, 0.89604f, 0.89653f, 0.89701f, 0.89749f, 0.89797f, 0.89845f, 0.89892f, 0.89940f, 0.89987f, 0.90035f, 0.90082f, 0.90129f, 0.90176f, 0.90222f, 0.90269f, 0.90316f, 0.90362f, 0.90408f, 0.90454f, 0.90500f, 0.90546f, 0.90592f, 0.90637f, 0.90683f, 0.90728f, 0.90773f, 0.90818f, 0.90863f, 0.90908f, 0.90952f, 0.90997f, 0.91041f, 0.91085f, 0.91130f, 0.91173f, 0.91217f, 0.91261f, 0.91305f, 0.91348f, 0.91392f, 0.91435f, 0.91478f, 0.91521f, 0.91564f, 0.91606f, 0.91649f, 0.91691f, 0.91734f, 0.91776f, 0.91818f, 0.91860f, 0.91902f, 0.91944f, 0.91985f, 0.92027f, 0.92068f, 0.92109f, 0.92150f, 0.92191f, 0.92232f, 0.92273f, 0.92314f, 0.92354f, 0.92395f, 0.92435f, 0.92475f, 0.92515f, 0.92555f, 0.92595f, 0.92634f, 0.92674f, 0.92713f, 0.92753f, 0.92792f, 0.92831f, 0.92870f, 0.92909f, 0.92947f, 0.92986f, 0.93025f, 0.93063f, 0.93101f, 0.93139f, 0.93177f, 0.93215f, 0.93253f, 0.93291f, 0.93328f, 0.93366f, 0.93403f, 0.93440f, 0.93478f, 0.93515f, 0.93551f, 0.93588f, 0.93625f, 0.93661f, 0.93698f, 0.93734f, 0.93770f, 0.93807f, 0.93843f, 0.93878f, 0.93914f, 0.93950f, 0.93986f, 0.94021f, 0.94056f, 0.94092f, 0.94127f, 0.94162f, 0.94197f, 0.94231f, 0.94266f, 0.94301f, 0.94335f, 0.94369f, 0.94404f, 0.94438f, 0.94472f, 0.94506f, 0.94540f, 0.94573f, 0.94607f, 0.94641f, 0.94674f, 0.94707f, 0.94740f, 0.94774f, 0.94807f, 0.94839f, 0.94872f, 0.94905f, 0.94937f, 0.94970f, 0.95002f, 0.95035f, 0.95067f, 0.95099f, 0.95131f, 0.95163f, 0.95194f, 0.95226f, 0.95257f, 0.95289f, 0.95320f, 0.95351f, 0.95383f, 0.95414f, 0.95445f, 0.95475f, 0.95506f, 0.95537f, 0.95567f, 0.95598f, 0.95628f, 0.95658f, 0.95688f, 0.95718f, 0.95748f, 0.95778f, 0.95808f, 0.95838f, 0.95867f, 0.95897f, 0.95926f, 0.95955f, 0.95984f, 0.96013f, 0.96042f, 0.96071f, 0.96100f, 0.96129f, 0.96157f, 0.96186f, 0.96214f, 0.96242f, 0.96271f, 0.96299f, 0.96327f, 0.96355f, 0.96382f, 0.96410f, 0.96438f, 0.96465f, 0.96493f, 0.96520f, 0.96547f, 0.96574f, 0.96602f, 0.96629f, 0.96655f, 0.96682f, 0.96709f, 0.96735f, 0.96762f, 0.96788f, 0.96815f, 0.96841f, 0.96867f, 0.96893f, 0.96919f, 0.96945f, 0.96971f, 0.96996f, 0.97022f, 0.97047f, 0.97073f, 0.97098f, 0.97123f, 0.97149f, 0.97174f, 0.97199f, 0.97223f, 0.97248f, 0.97273f, 0.97297f, 0.97322f, 0.97346f, 0.97371f, 0.97395f, 0.97419f, 0.97443f, 0.97467f, 0.97491f, 0.97515f, 0.97539f, 0.97562f, 0.97586f, 0.97609f, 0.97633f, 0.97656f, 0.97679f, 0.97702f, 0.97725f, 0.97748f, 0.97771f, 0.97794f, 0.97817f, 0.97839f, 0.97862f, 0.97884f, 0.97907f, 0.97929f, 0.97951f, 0.97973f, 0.97995f, 0.98017f, 0.98039f, 0.98061f, 0.98082f, 0.98104f, 0.98125f, 0.98147f, 0.98168f, 0.98189f, 0.98211f, 0.98232f, 0.98253f, 0.98274f, 0.98295f, 0.98315f, 0.98336f, 0.98357f, 0.98377f, 0.98398f, 0.98418f, 0.98438f, 0.98458f, 0.98478f, 0.98498f, 0.98518f, 0.98538f, 0.98558f, 0.98578f, 0.98597f, 0.98617f, 0.98636f, 0.98656f, 0.98675f, 0.98694f, 0.98714f, 0.98733f, 0.98752f, 0.98771f, 0.98789f, 0.98808f, 0.98827f, 0.98845f, 0.98864f, 0.98882f, 0.98901f, 0.98919f, 0.98937f, 0.98955f, 0.98973f, 0.98991f, 0.99009f, 0.99027f, 0.99045f, 0.99063f, 0.99080f, 0.99098f, 0.99115f, 0.99133f, 0.99150f, 0.99167f, 0.99184f, 0.99201f, 0.99218f, 0.99235f, 0.99252f, 0.99269f, 0.99285f, 0.99302f, 0.99319f, 0.99335f, 0.99351f, 0.99368f, 0.99384f, 0.99400f, 0.99416f, 0.99432f, 0.99448f, 0.99464f, 0.99480f, 0.99495f, 0.99511f, 0.99527f, 0.99542f, 0.99558f, 0.99573f, 0.99588f, 0.99603f, 0.99619f, 0.99634f, 0.99649f, 0.99664f, 0.99678f, 0.99693f, 0.99708f, 0.99722f, 0.99737f, 0.99751f, 0.99766f, 0.99780f, 0.99794f, 0.99809f, 0.99823f, 0.99837f, 0.99851f, 0.99865f, 0.99879f, 0.99892f, 0.99906f, 0.99920f, 0.99933f, 0.99947f, 0.99960f, 0.99974f, 0.99987f, 1.00000f }; const uint32 kTableSize = sizeof (kTable ) / sizeof (kTable [0]); real32 y = (real32) x * (real32) (kTableSize - 1); int32 index = Pin_int32 (0, (int32) y, kTableSize - 2); real32 fract = y - (real32) index; return kTable [index ] * (1.0f - fract) + kTable [index + 1] * ( fract); } /*****************************************************************************/ real64 dng_tone_curve_acr3_default::EvaluateInverse (real64 x) const { static const real32 kTable [] = { 0.00000f, 0.00121f, 0.00237f, 0.00362f, 0.00496f, 0.00621f, 0.00738f, 0.00848f, 0.00951f, 0.01048f, 0.01139f, 0.01227f, 0.01312f, 0.01393f, 0.01471f, 0.01547f, 0.01620f, 0.01692f, 0.01763f, 0.01831f, 0.01899f, 0.01965f, 0.02030f, 0.02094f, 0.02157f, 0.02218f, 0.02280f, 0.02340f, 0.02399f, 0.02458f, 0.02517f, 0.02574f, 0.02631f, 0.02688f, 0.02744f, 0.02800f, 0.02855f, 0.02910f, 0.02965f, 0.03019f, 0.03072f, 0.03126f, 0.03179f, 0.03232f, 0.03285f, 0.03338f, 0.03390f, 0.03442f, 0.03493f, 0.03545f, 0.03596f, 0.03647f, 0.03698f, 0.03749f, 0.03799f, 0.03849f, 0.03899f, 0.03949f, 0.03998f, 0.04048f, 0.04097f, 0.04146f, 0.04195f, 0.04244f, 0.04292f, 0.04341f, 0.04389f, 0.04437f, 0.04485f, 0.04533f, 0.04580f, 0.04628f, 0.04675f, 0.04722f, 0.04769f, 0.04816f, 0.04863f, 0.04910f, 0.04956f, 0.05003f, 0.05049f, 0.05095f, 0.05141f, 0.05187f, 0.05233f, 0.05278f, 0.05324f, 0.05370f, 0.05415f, 0.05460f, 0.05505f, 0.05551f, 0.05595f, 0.05640f, 0.05685f, 0.05729f, 0.05774f, 0.05818f, 0.05863f, 0.05907f, 0.05951f, 0.05995f, 0.06039f, 0.06083f, 0.06126f, 0.06170f, 0.06214f, 0.06257f, 0.06301f, 0.06344f, 0.06388f, 0.06431f, 0.06474f, 0.06517f, 0.06560f, 0.06602f, 0.06645f, 0.06688f, 0.06731f, 0.06773f, 0.06815f, 0.06858f, 0.06900f, 0.06943f, 0.06985f, 0.07027f, 0.07069f, 0.07111f, 0.07152f, 0.07194f, 0.07236f, 0.07278f, 0.07319f, 0.07361f, 0.07402f, 0.07444f, 0.07485f, 0.07526f, 0.07567f, 0.07608f, 0.07650f, 0.07691f, 0.07732f, 0.07772f, 0.07813f, 0.07854f, 0.07895f, 0.07935f, 0.07976f, 0.08016f, 0.08057f, 0.08098f, 0.08138f, 0.08178f, 0.08218f, 0.08259f, 0.08299f, 0.08339f, 0.08379f, 0.08419f, 0.08459f, 0.08499f, 0.08539f, 0.08578f, 0.08618f, 0.08657f, 0.08697f, 0.08737f, 0.08776f, 0.08816f, 0.08855f, 0.08894f, 0.08934f, 0.08973f, 0.09012f, 0.09051f, 0.09091f, 0.09130f, 0.09169f, 0.09208f, 0.09247f, 0.09286f, 0.09324f, 0.09363f, 0.09402f, 0.09440f, 0.09479f, 0.09518f, 0.09556f, 0.09595f, 0.09633f, 0.09672f, 0.09710f, 0.09749f, 0.09787f, 0.09825f, 0.09863f, 0.09901f, 0.09939f, 0.09978f, 0.10016f, 0.10054f, 0.10092f, 0.10130f, 0.10167f, 0.10205f, 0.10243f, 0.10281f, 0.10319f, 0.10356f, 0.10394f, 0.10432f, 0.10469f, 0.10507f, 0.10544f, 0.10582f, 0.10619f, 0.10657f, 0.10694f, 0.10731f, 0.10768f, 0.10806f, 0.10843f, 0.10880f, 0.10917f, 0.10954f, 0.10991f, 0.11029f, 0.11066f, 0.11103f, 0.11141f, 0.11178f, 0.11215f, 0.11253f, 0.11290f, 0.11328f, 0.11365f, 0.11403f, 0.11440f, 0.11478f, 0.11516f, 0.11553f, 0.11591f, 0.11629f, 0.11666f, 0.11704f, 0.11742f, 0.11780f, 0.11818f, 0.11856f, 0.11894f, 0.11932f, 0.11970f, 0.12008f, 0.12046f, 0.12084f, 0.12122f, 0.12161f, 0.12199f, 0.12237f, 0.12276f, 0.12314f, 0.12352f, 0.12391f, 0.12429f, 0.12468f, 0.12506f, 0.12545f, 0.12583f, 0.12622f, 0.12661f, 0.12700f, 0.12738f, 0.12777f, 0.12816f, 0.12855f, 0.12894f, 0.12933f, 0.12972f, 0.13011f, 0.13050f, 0.13089f, 0.13129f, 0.13168f, 0.13207f, 0.13247f, 0.13286f, 0.13325f, 0.13365f, 0.13404f, 0.13444f, 0.13483f, 0.13523f, 0.13563f, 0.13603f, 0.13642f, 0.13682f, 0.13722f, 0.13762f, 0.13802f, 0.13842f, 0.13882f, 0.13922f, 0.13962f, 0.14003f, 0.14043f, 0.14083f, 0.14124f, 0.14164f, 0.14204f, 0.14245f, 0.14285f, 0.14326f, 0.14366f, 0.14407f, 0.14448f, 0.14489f, 0.14530f, 0.14570f, 0.14611f, 0.14652f, 0.14693f, 0.14734f, 0.14776f, 0.14817f, 0.14858f, 0.14900f, 0.14941f, 0.14982f, 0.15024f, 0.15065f, 0.15107f, 0.15148f, 0.15190f, 0.15232f, 0.15274f, 0.15316f, 0.15357f, 0.15399f, 0.15441f, 0.15483f, 0.15526f, 0.15568f, 0.15610f, 0.15652f, 0.15695f, 0.15737f, 0.15779f, 0.15822f, 0.15864f, 0.15907f, 0.15950f, 0.15992f, 0.16035f, 0.16078f, 0.16121f, 0.16164f, 0.16207f, 0.16250f, 0.16293f, 0.16337f, 0.16380f, 0.16423f, 0.16467f, 0.16511f, 0.16554f, 0.16598f, 0.16641f, 0.16685f, 0.16729f, 0.16773f, 0.16816f, 0.16860f, 0.16904f, 0.16949f, 0.16993f, 0.17037f, 0.17081f, 0.17126f, 0.17170f, 0.17215f, 0.17259f, 0.17304f, 0.17349f, 0.17393f, 0.17438f, 0.17483f, 0.17528f, 0.17573f, 0.17619f, 0.17664f, 0.17709f, 0.17754f, 0.17799f, 0.17845f, 0.17890f, 0.17936f, 0.17982f, 0.18028f, 0.18073f, 0.18119f, 0.18165f, 0.18211f, 0.18257f, 0.18303f, 0.18350f, 0.18396f, 0.18442f, 0.18489f, 0.18535f, 0.18582f, 0.18629f, 0.18676f, 0.18723f, 0.18770f, 0.18817f, 0.18864f, 0.18911f, 0.18958f, 0.19005f, 0.19053f, 0.19100f, 0.19147f, 0.19195f, 0.19243f, 0.19291f, 0.19339f, 0.19387f, 0.19435f, 0.19483f, 0.19531f, 0.19579f, 0.19627f, 0.19676f, 0.19724f, 0.19773f, 0.19821f, 0.19870f, 0.19919f, 0.19968f, 0.20017f, 0.20066f, 0.20115f, 0.20164f, 0.20214f, 0.20263f, 0.20313f, 0.20362f, 0.20412f, 0.20462f, 0.20512f, 0.20561f, 0.20611f, 0.20662f, 0.20712f, 0.20762f, 0.20812f, 0.20863f, 0.20913f, 0.20964f, 0.21015f, 0.21066f, 0.21117f, 0.21168f, 0.21219f, 0.21270f, 0.21321f, 0.21373f, 0.21424f, 0.21476f, 0.21527f, 0.21579f, 0.21631f, 0.21683f, 0.21735f, 0.21787f, 0.21839f, 0.21892f, 0.21944f, 0.21997f, 0.22049f, 0.22102f, 0.22155f, 0.22208f, 0.22261f, 0.22314f, 0.22367f, 0.22420f, 0.22474f, 0.22527f, 0.22581f, 0.22634f, 0.22688f, 0.22742f, 0.22796f, 0.22850f, 0.22905f, 0.22959f, 0.23013f, 0.23068f, 0.23123f, 0.23178f, 0.23232f, 0.23287f, 0.23343f, 0.23398f, 0.23453f, 0.23508f, 0.23564f, 0.23620f, 0.23675f, 0.23731f, 0.23787f, 0.23843f, 0.23899f, 0.23956f, 0.24012f, 0.24069f, 0.24125f, 0.24182f, 0.24239f, 0.24296f, 0.24353f, 0.24410f, 0.24468f, 0.24525f, 0.24582f, 0.24640f, 0.24698f, 0.24756f, 0.24814f, 0.24872f, 0.24931f, 0.24989f, 0.25048f, 0.25106f, 0.25165f, 0.25224f, 0.25283f, 0.25342f, 0.25401f, 0.25460f, 0.25520f, 0.25579f, 0.25639f, 0.25699f, 0.25759f, 0.25820f, 0.25880f, 0.25940f, 0.26001f, 0.26062f, 0.26122f, 0.26183f, 0.26244f, 0.26306f, 0.26367f, 0.26429f, 0.26490f, 0.26552f, 0.26614f, 0.26676f, 0.26738f, 0.26800f, 0.26863f, 0.26925f, 0.26988f, 0.27051f, 0.27114f, 0.27177f, 0.27240f, 0.27303f, 0.27367f, 0.27431f, 0.27495f, 0.27558f, 0.27623f, 0.27687f, 0.27751f, 0.27816f, 0.27881f, 0.27945f, 0.28011f, 0.28076f, 0.28141f, 0.28207f, 0.28272f, 0.28338f, 0.28404f, 0.28470f, 0.28536f, 0.28602f, 0.28669f, 0.28736f, 0.28802f, 0.28869f, 0.28937f, 0.29004f, 0.29071f, 0.29139f, 0.29207f, 0.29274f, 0.29342f, 0.29410f, 0.29479f, 0.29548f, 0.29616f, 0.29685f, 0.29754f, 0.29823f, 0.29893f, 0.29962f, 0.30032f, 0.30102f, 0.30172f, 0.30242f, 0.30312f, 0.30383f, 0.30453f, 0.30524f, 0.30595f, 0.30667f, 0.30738f, 0.30809f, 0.30881f, 0.30953f, 0.31025f, 0.31097f, 0.31170f, 0.31242f, 0.31315f, 0.31388f, 0.31461f, 0.31534f, 0.31608f, 0.31682f, 0.31755f, 0.31829f, 0.31904f, 0.31978f, 0.32053f, 0.32127f, 0.32202f, 0.32277f, 0.32353f, 0.32428f, 0.32504f, 0.32580f, 0.32656f, 0.32732f, 0.32808f, 0.32885f, 0.32962f, 0.33039f, 0.33116f, 0.33193f, 0.33271f, 0.33349f, 0.33427f, 0.33505f, 0.33583f, 0.33662f, 0.33741f, 0.33820f, 0.33899f, 0.33978f, 0.34058f, 0.34138f, 0.34218f, 0.34298f, 0.34378f, 0.34459f, 0.34540f, 0.34621f, 0.34702f, 0.34783f, 0.34865f, 0.34947f, 0.35029f, 0.35111f, 0.35194f, 0.35277f, 0.35360f, 0.35443f, 0.35526f, 0.35610f, 0.35694f, 0.35778f, 0.35862f, 0.35946f, 0.36032f, 0.36117f, 0.36202f, 0.36287f, 0.36372f, 0.36458f, 0.36545f, 0.36631f, 0.36718f, 0.36805f, 0.36891f, 0.36979f, 0.37066f, 0.37154f, 0.37242f, 0.37331f, 0.37419f, 0.37507f, 0.37596f, 0.37686f, 0.37775f, 0.37865f, 0.37955f, 0.38045f, 0.38136f, 0.38227f, 0.38317f, 0.38409f, 0.38500f, 0.38592f, 0.38684f, 0.38776f, 0.38869f, 0.38961f, 0.39055f, 0.39148f, 0.39242f, 0.39335f, 0.39430f, 0.39524f, 0.39619f, 0.39714f, 0.39809f, 0.39904f, 0.40000f, 0.40097f, 0.40193f, 0.40289f, 0.40386f, 0.40483f, 0.40581f, 0.40679f, 0.40777f, 0.40875f, 0.40974f, 0.41073f, 0.41172f, 0.41272f, 0.41372f, 0.41472f, 0.41572f, 0.41673f, 0.41774f, 0.41875f, 0.41977f, 0.42079f, 0.42181f, 0.42284f, 0.42386f, 0.42490f, 0.42594f, 0.42697f, 0.42801f, 0.42906f, 0.43011f, 0.43116f, 0.43222f, 0.43327f, 0.43434f, 0.43540f, 0.43647f, 0.43754f, 0.43862f, 0.43970f, 0.44077f, 0.44186f, 0.44295f, 0.44404f, 0.44514f, 0.44624f, 0.44734f, 0.44845f, 0.44956f, 0.45068f, 0.45179f, 0.45291f, 0.45404f, 0.45516f, 0.45630f, 0.45744f, 0.45858f, 0.45972f, 0.46086f, 0.46202f, 0.46318f, 0.46433f, 0.46550f, 0.46667f, 0.46784f, 0.46901f, 0.47019f, 0.47137f, 0.47256f, 0.47375f, 0.47495f, 0.47615f, 0.47735f, 0.47856f, 0.47977f, 0.48099f, 0.48222f, 0.48344f, 0.48467f, 0.48590f, 0.48714f, 0.48838f, 0.48963f, 0.49088f, 0.49213f, 0.49340f, 0.49466f, 0.49593f, 0.49721f, 0.49849f, 0.49977f, 0.50106f, 0.50236f, 0.50366f, 0.50496f, 0.50627f, 0.50758f, 0.50890f, 0.51023f, 0.51155f, 0.51289f, 0.51422f, 0.51556f, 0.51692f, 0.51827f, 0.51964f, 0.52100f, 0.52237f, 0.52374f, 0.52512f, 0.52651f, 0.52790f, 0.52930f, 0.53070f, 0.53212f, 0.53353f, 0.53495f, 0.53638f, 0.53781f, 0.53925f, 0.54070f, 0.54214f, 0.54360f, 0.54506f, 0.54653f, 0.54800f, 0.54949f, 0.55098f, 0.55247f, 0.55396f, 0.55548f, 0.55699f, 0.55851f, 0.56003f, 0.56156f, 0.56310f, 0.56464f, 0.56621f, 0.56777f, 0.56933f, 0.57091f, 0.57248f, 0.57407f, 0.57568f, 0.57727f, 0.57888f, 0.58050f, 0.58213f, 0.58376f, 0.58541f, 0.58705f, 0.58871f, 0.59037f, 0.59204f, 0.59373f, 0.59541f, 0.59712f, 0.59882f, 0.60052f, 0.60226f, 0.60399f, 0.60572f, 0.60748f, 0.60922f, 0.61099f, 0.61276f, 0.61455f, 0.61635f, 0.61814f, 0.61996f, 0.62178f, 0.62361f, 0.62545f, 0.62730f, 0.62917f, 0.63104f, 0.63291f, 0.63480f, 0.63671f, 0.63862f, 0.64054f, 0.64249f, 0.64443f, 0.64638f, 0.64835f, 0.65033f, 0.65232f, 0.65433f, 0.65633f, 0.65836f, 0.66041f, 0.66245f, 0.66452f, 0.66660f, 0.66868f, 0.67078f, 0.67290f, 0.67503f, 0.67717f, 0.67932f, 0.68151f, 0.68368f, 0.68587f, 0.68809f, 0.69033f, 0.69257f, 0.69482f, 0.69709f, 0.69939f, 0.70169f, 0.70402f, 0.70634f, 0.70869f, 0.71107f, 0.71346f, 0.71587f, 0.71829f, 0.72073f, 0.72320f, 0.72567f, 0.72818f, 0.73069f, 0.73323f, 0.73579f, 0.73838f, 0.74098f, 0.74360f, 0.74622f, 0.74890f, 0.75159f, 0.75429f, 0.75704f, 0.75979f, 0.76257f, 0.76537f, 0.76821f, 0.77109f, 0.77396f, 0.77688f, 0.77982f, 0.78278f, 0.78579f, 0.78883f, 0.79187f, 0.79498f, 0.79809f, 0.80127f, 0.80445f, 0.80767f, 0.81095f, 0.81424f, 0.81757f, 0.82094f, 0.82438f, 0.82782f, 0.83133f, 0.83488f, 0.83847f, 0.84210f, 0.84577f, 0.84951f, 0.85328f, 0.85713f, 0.86103f, 0.86499f, 0.86900f, 0.87306f, 0.87720f, 0.88139f, 0.88566f, 0.89000f, 0.89442f, 0.89891f, 0.90350f, 0.90818f, 0.91295f, 0.91780f, 0.92272f, 0.92780f, 0.93299f, 0.93828f, 0.94369f, 0.94926f, 0.95493f, 0.96082f, 0.96684f, 0.97305f, 0.97943f, 0.98605f, 0.99291f, 1.00000f }; const uint32 kTableSize = sizeof (kTable ) / sizeof (kTable [0]); real32 y = (real32) x * (real32) (kTableSize - 1); int32 index = Pin_int32 (0, (int32) y, kTableSize - 2); real32 fract = y - (real32) index; return kTable [index ] * (1.0f - fract) + kTable [index + 1] * ( fract); } /*****************************************************************************/ const dng_1d_function & dng_tone_curve_acr3_default::Get () { static dng_tone_curve_acr3_default static_dng_tone_curve_acr3_default; return static_dng_tone_curve_acr3_default; } /*****************************************************************************/ class dng_render_task: public dng_filter_task { protected: const dng_image *fSrcMask; const dng_negative &fNegative; const dng_render &fParams; dng_point fSrcOffset; dng_1d_table fZeroOffsetRamp; dng_vector fCameraWhite; dng_matrix fCameraToRGB; AutoPtr fHueSatMap; real64 fBaselineExposure = 0.0; AutoPtr fExposureRamp; AutoPtr fLookTable; dng_1d_table fToneCurve; AutoPtr fToneCurveSlopeExtension; dng_matrix fRGBtoFinal; AutoPtr fEncodeGamma; AutoPtr fHueSatMapEncode; AutoPtr fHueSatMapDecode; AutoPtr fLookTableEncode; AutoPtr fLookTableDecode; AutoPtr fTempBuffer [kMaxMPThreads]; AutoPtr fMaskBuffer [kMaxMPThreads]; // RGBTables data. dng_masked_rgb_table_render_data_sptr fRGBTablesData; AutoPtr fRGBTablesTempBuffer [kMaxMPThreads]; uint32 fNumTableTransformPlanes = 0; bool fSupportOverrange = false; public: dng_render_task (const dng_image &srcImage, const dng_image *srcMask, dng_image &dstImage, const dng_negative &negative, const dng_render ¶ms, const dng_point &srcOffset); virtual dng_rect SrcArea (const dng_rect &dstArea); virtual void Start (uint32 threadCount, const dng_rect &dstArea, const dng_point &tileSize, dng_memory_allocator *allocator, dng_abort_sniffer *sniffer); virtual void ProcessArea (uint32 threadIndex, dng_pixel_buffer &srcBuffer, dng_pixel_buffer &dstBuffer); }; /*****************************************************************************/ dng_render_task::dng_render_task (const dng_image &srcImage, const dng_image *srcMask, dng_image &dstImage, const dng_negative &negative, const dng_render ¶ms, const dng_point &srcOffset) : dng_filter_task ("dng_render_task", srcImage, dstImage) , fSrcMask (srcMask ) , fNegative (negative ) , fParams (params ) , fSrcOffset (srcOffset) { fSrcPixelType = ttFloat; fDstPixelType = ttFloat; } /*****************************************************************************/ dng_rect dng_render_task::SrcArea (const dng_rect &dstArea) { return dstArea + fSrcOffset; } /*****************************************************************************/ void dng_render_task::Start (uint32 threadCount, const dng_rect &dstArea, const dng_point &tileSize, dng_memory_allocator *allocator, dng_abort_sniffer *sniffer) { dng_filter_task::Start (threadCount, dstArea, tileSize, allocator, sniffer); // Compute zero offset ramp, if any. if (fNegative.Stage3BlackLevel ()) { dng_function_zero_offset offsetFunction (fNegative.Stage3BlackLevelNormalized ()); fZeroOffsetRamp.Initialize (*allocator, offsetFunction); } // Compute camera space to linear ProPhoto RGB parameters. const dng_camera_profile_id &profileID = fParams.CameraProfileID (); dng_camera_profile profile; bool hasProfile = false; if (!fNegative.IsMonochrome ()) { AutoPtr spec (fNegative.MakeColorSpec (profileID)); if (fParams.WhiteXY ().IsValid ()) { spec->SetWhiteXY (fParams.WhiteXY ()); } else if (fNegative.HasCameraNeutral ()) { spec->SetWhiteXY (spec->NeutralToXY (fNegative.CameraNeutral ())); } else if (fNegative.HasCameraWhiteXY ()) { spec->SetWhiteXY (fNegative.CameraWhiteXY ()); } else { spec->SetWhiteXY (D55_xy_coord ()); } fCameraWhite = spec->CameraWhite (); fCameraToRGB = dng_space_ProPhoto::Get ().MatrixFromPCS () * spec->CameraToPCS (); // Find Hue/Sat table, if any. hasProfile = fNegative.GetProfileByID (profileID, profile); if (hasProfile) { fSupportOverrange = profile.IsHDR (); fHueSatMap.Reset (profile.HueSatMapForWhite (spec->WhiteXY ())); if (profile.HasLookTable ()) { fLookTable.Reset (new dng_hue_sat_map (profile.LookTable ())); } if (profile.HueSatMapEncoding () != encoding_Linear) { BuildHueSatMapEncodingTable (*allocator, profile.HueSatMapEncoding (), fHueSatMapEncode, fHueSatMapDecode, false); } if (profile.LookTableEncoding () != encoding_Linear) { BuildHueSatMapEncodingTable (*allocator, profile.LookTableEncoding (), fLookTableEncode, fLookTableDecode, false); } } } else { // Monochrome negatives. hasProfile = fNegative.GetProfileByID (profileID, profile); if (hasProfile) { fSupportOverrange = profile.IsHDR (); } } // Compute exposure/shadows ramp. fBaselineExposure = (fNegative.TotalBaselineExposure (profileID) - (log (fNegative.Stage3Gain ()) / log (2.0))); real64 exposure = fParams.Exposure () + fBaselineExposure; { real64 white = 1.0 / pow (2.0, Max_real64 (0.0, exposure)); real64 black = fParams.Shadows () * fNegative.ShadowScale () * fNegative.Stage3Gain () * 0.001; black = Min_real64 (black, 0.99 * white); fExposureRamp.Reset (new dng_function_exposure_ramp (white, black, black, fSupportOverrange)); } // Compute tone curve. { // If there is any negative exposure compenation to perform // (beyond what the camera provides for with its baseline exposure), // we fake this by darkening the tone curve. dng_function_exposure_tone exposureTone (exposure); dng_1d_concatenate totalTone (exposureTone, fParams.ToneCurve ()); fToneCurve.Initialize (*allocator, totalTone); if (fSupportOverrange) { fToneCurveSlopeExtension.Reset (new dng_line_real32 (0.0f, 0.0f, 1.0f, 1.0f)); fToneCurveSlopeExtension->fX = 1.0f; fToneCurveSlopeExtension->fY = real32 (totalTone.Evaluate (1.0)); const real64 dx = 0.001; real64 dy = totalTone.Evaluate (1.0) - totalTone.Evaluate (1.0 - dx); fToneCurveSlopeExtension->fSlope = real32 (dy / dx); } } // Compute linear ProPhoto RGB to final space parameters. { const dng_color_space &finalSpace = fParams.FinalSpace (&profile); fRGBtoFinal = finalSpace.MatrixFromPCS () * dng_space_ProPhoto::Get ().MatrixToPCS (); if (!finalSpace.GammaFunction ().IsIdentity ()) { fEncodeGamma.Reset (new dng_1d_table); fEncodeGamma->Initialize (*allocator, finalSpace.GammaFunction ()); } } // Allocate temp buffer to hold one row of RGB data. uint32 tempBufferSize = 0; if (!SafeUint32Mult (tileSize.h, (uint32) sizeof (real32), &tempBufferSize) || !SafeUint32Mult (tempBufferSize, 3, &tempBufferSize)) { ThrowOverflow ("Arithmetic overflow computing buffer size."); } for (uint32 threadIndex = 0; threadIndex < threadCount; threadIndex++) { fTempBuffer [threadIndex] . Reset (allocator->Allocate (tempBufferSize)); } // Allocate mask buffer to hold one tile of mask data, if needed. if (fSrcMask) { uint32 maskBufferSize = 0; if (!SafeUint32Mult (tileSize.h, tileSize.v, &maskBufferSize) || !SafeUint32Mult (maskBufferSize, (uint32) sizeof (real32), &maskBufferSize)) { ThrowOverflow ("Arithmetic overflow computing buffer size."); } for (uint32 threadIndex = 0; threadIndex < threadCount; threadIndex++) { fMaskBuffer [threadIndex] . Reset (allocator->Allocate (maskBufferSize)); } } // Prepare RGBTables data, if needed. if (hasProfile && profile.HasMaskedRGBTables () && !profile.MaskedRGBTables ().IsNOP ()) { auto &data = fRGBTablesData; data.reset (new dng_masked_rgb_table_render_data); data->Initialize (fNegative, profile); if (data->IsNOP ()) data.reset (); else { dng_host host (allocator, sniffer); data->PrepareRGBtoRGBTableData (host); // Add space for masked (non-background) table transform results. uint32 numTableTransforms = uint32 (data->fMaskedTables.size ()); if (numTableTransforms > 0) { // With the Weighted Sum method, we need 4 x the # of // transforms: 3 planes for the RGB table transform result, 1 // plane for the semantic mask. // With the Sequential method, we need just 1 plane per // transform to hold the semantic mask or the // dynamically-computed background mask. fNumTableTransformPlanes = data->fUseSequentialMethod ? SafeUint32Mult (1, numTableTransforms) : SafeUint32Mult (4, numTableTransforms); uint32 tableTransformBufferSize = SafeUint32Mult (tileSize.h, tileSize.v, fNumTableTransformPlanes, uint32 (sizeof (real32))); for (uint32 threadIndex = 0; threadIndex < threadCount; threadIndex++) { fRGBTablesTempBuffer [threadIndex] . Reset (allocator->Allocate (tableTransformBufferSize)); } } } } } /*****************************************************************************/ static void ProcessRGBTables (const dng_masked_rgb_table_render_data &data, dng_pixel_buffer &buffer, dng_pixel_buffer &tempBuffer, const bool needsOverrange) { const dng_rect dstArea = buffer.fArea; // Special case: If there is only a background table, then just process // that and be done. if (data.fMaskedTables.empty ()) { DNG_REQUIRE (data.fBackgroundTableData.Get (), "missing fBackgroundTableData"); data.fBackgroundTableData->Process_32 (buffer, nullptr, // no mask 0, // no mask dstArea, 0, needsOverrange); return; } // There is at least 1 masked table. There may or may not be a background // table. // Deal with sequential method. if (data.fUseSequentialMethod) { // Apply transforms sequentially using the incoming buffer in-place. for (size_t i = 0; i < data.fMaskedTableData.size (); i++) { auto &innerData = *data.fMaskedTableData [i]; innerData.Process_32 (buffer, &tempBuffer, // mask buffer (int32) i, // mask plane dstArea, 0, // rgb start plane needsOverrange); } // all tables } // sequential method else { // Else we are using the Weighted Sum Method. // Walk thru all masked tables. for (size_t i = 0; i < data.fMaskedTableData.size (); i++) { auto &innerData = *data.fMaskedTableData [i]; // The plane layout is: // plane 0: transform 0 red // plane 1: transform 0 green // plane 2: transform 0 blue // plane 3: transform 0 semantic mask (alpha) // // plane 4: transform 1 red // plane 5: transform 1 green // plane 6: transform 1 blue // plane 7: transform 1 semantic mask (alpha) // // etc. const uint32 dstPlane = 4 * (uint32) i; // Copy source RGB to temp buffer, then apply table. { tempBuffer.CopyArea (buffer, dstArea, 0, // srcPlane dstPlane, 3); // planes innerData.Process_32 (tempBuffer, nullptr, // no mask 0, // no mask dstArea, dstPlane, needsOverrange); } } // If there is a background table, then do it in-place on the incoming // buffer. This will overwrite the source values, which is ok because we // no longer need them. if (data.fBackgroundTableData.Get ()) { data.fBackgroundTableData->Process_32 (buffer, nullptr, // no mask 0, // no mask dstArea, 0, needsOverrange); } // Composite. const uint32 numTableTransforms = uint32 (data.fMaskedTables.size ()); RefMaskedRGBTables32 (buffer.DirtyPixel_real32 (dstArea.t, dstArea.l, 0), buffer.DirtyPixel_real32 (dstArea.t, dstArea.l, 1), buffer.DirtyPixel_real32 (dstArea.t, dstArea.l, 2), tempBuffer.ConstPixel_real32 (dstArea.t, dstArea.l, 0), tempBuffer.ConstPixel_real32 (dstArea.t, dstArea.l, 1), tempBuffer.ConstPixel_real32 (dstArea.t, dstArea.l, 2), tempBuffer.ConstPixel_real32 (dstArea.t, dstArea.l, 3), numTableTransforms, buffer.RowStep (), tempBuffer.RowStep (), tempBuffer.PlaneStep (), dstArea.H (), dstArea.W ()); } // Weighted Sum Method } /*****************************************************************************/ static void DoBaseline1DFunction (const real32 *sPtr, real32 *dPtr, uint32 count, const dng_1d_function &function, const bool supportOverrange) { if (supportOverrange) { for (uint32 col = 0; col < count; col++) { real32 x = sPtr [col]; real32 y = real32 (function.Evaluate (real64 (x))); dPtr [col] = y; } } else { for (uint32 col = 0; col < count; col++) { real32 x = Pin_real32 (0.0f, sPtr [col], 1.0f); real32 y = real32 (function.Evaluate (real64 (x))); dPtr [col] = Pin_real32 (0.0f, y, 1.0f); } } } /*****************************************************************************/ DNG_ALWAYS_INLINE real32 ApplyCurveOverrange (const dng_1d_table &table, const dng_line_real32 &slopeExtensionFunc, real32 x) { if (x <= 1.0f) return table.Interpolate (Max_real32 (x, 0.0f)); return slopeExtensionFunc.Evaluate (x); } /*****************************************************************************/ static void DoBaselineRGBToneOverrange (const real32 *sPtrR, const real32 *sPtrG, const real32 *sPtrB, real32 *dPtrR, real32 *dPtrG, real32 *dPtrB, uint32 count, const dng_1d_table &table, const dng_line_real32 &slopeExtensionFunc) { for (uint32 col = 0; col < count; col++) { real32 r = sPtrR [col]; real32 g = sPtrG [col]; real32 b = sPtrB [col]; r = Max_real32 (r, 0.0f); g = Max_real32 (g, 0.0f); b = Max_real32 (b, 0.0f); r = EncodeOverrange (r); g = EncodeOverrange (g); b = EncodeOverrange (b); real32 rr; real32 gg; real32 bb; #define RGBTone(r, g, b, rr, gg, bb) \ { \ \ DNG_ASSERT (r >= g && g >= b && r > b, "Logic Error RGBTone"); \ \ rr = ApplyCurveOverrange (table, slopeExtensionFunc, r); \ bb = ApplyCurveOverrange (table, slopeExtensionFunc, b); \ \ gg = bb + ((rr - bb) * (g - b) / (r - b)); \ \ } if (r >= g) { if (g > b) { // Case 1: r >= g > b RGBTone (r, g, b, rr, gg, bb); } else if (b > r) { // Case 2: b > r >= g RGBTone (b, r, g, bb, rr, gg); } else if (b > g) { // Case 3: r >= b > g RGBTone (r, b, g, rr, bb, gg); } else { // Case 4: r >= g == b DNG_ASSERT (r >= g && g == b, "Logic Error 2"); rr = table.Interpolate (r); gg = table.Interpolate (g); bb = gg; } } else { if (r >= b) { // Case 5: g > r >= b RGBTone (g, r, b, gg, rr, bb); } else if (b > g) { // Case 6: b > g > r RGBTone (b, g, r, bb, gg, rr); } else { // Case 7: g >= b > r RGBTone (g, b, r, gg, bb, rr); } } #undef RGBTone rr = DecodeOverrange (rr); gg = DecodeOverrange (gg); bb = DecodeOverrange (bb); dPtrR [col] = rr; dPtrG [col] = gg; dPtrB [col] = bb; } } /*****************************************************************************/ void dng_render_task::ProcessArea (uint32 threadIndex, dng_pixel_buffer &srcBuffer, dng_pixel_buffer &dstBuffer) { dng_rect srcArea = srcBuffer.fArea; dng_rect dstArea = dstBuffer.fArea; uint32 srcCols = srcArea.W (); real32 *tPtrR = fTempBuffer [threadIndex]->Buffer_real32 (); real32 *tPtrG = tPtrR + srcCols; real32 *tPtrB = tPtrG + srcCols; dng_pixel_buffer maskBuffer; if (fSrcMask) { maskBuffer.fArea = srcArea; maskBuffer.fPlane = 0; maskBuffer.fPlanes = 1; maskBuffer.fRowStep = srcArea.W (); maskBuffer.fColStep = 1; maskBuffer.fPlaneStep = 0; maskBuffer.fPixelType = ttFloat; maskBuffer.fPixelSize = sizeof (real32); maskBuffer.fData = fMaskBuffer [threadIndex]->Buffer_real32 (); maskBuffer.fDirty = true; fSrcMask->Get (maskBuffer); } // Prepare RGBTables data. dng_pixel_buffer tempRGBTablesBuffer; if (fRGBTablesData && !fRGBTablesData->fMaskedTableData.empty ()) { // Set up temporary pixel buffer to hold mask and transformed data. auto &buffer = tempRGBTablesBuffer; buffer.fArea = srcArea; buffer.fPlanes = fNumTableTransformPlanes; buffer.fColStep = 1; buffer.fPlaneStep = int32 (buffer.fArea.W ()); buffer.fRowStep = SafeInt32Mult (buffer.fPlaneStep, int32 (buffer.fPlanes)); buffer.fPixelType = ttFloat; buffer.fPixelSize = TagTypeSize (buffer.fPixelType); buffer.fData = (void *) fRGBTablesTempBuffer [threadIndex]->Buffer (); // Load all the masks. auto &data = *fRGBTablesData; if (data.fUseSequentialMethod) { // Load all the masks into the temp buffer. // // 1st mask goes into plane 0, 2nd mask goes into plane 1, etc. // // If there is a background mask, the corresponding fMaskTables // entry's mask image will be nullptr, and we will leave its // corresponding plane in the temp buffer uninitialized for now // (and just remember which index was the background index). Note // that there can be at most one background mask. // // Efficiency note: in the special case of no background table, it // is not necessary to load all masks at once. It suffices to load // just one at a time when processing the corresponding table. // However, for ease of implementation, we preload all masks to // faciliate computing the background mask, if any. int32 backgroundIndex = -1; // start by assuming no bg mask const int32 numTransforms = (int32) data.fMaskedTableData.size (); for (int32 i = 0; i < numTransforms; i++) { const int32 dstMaskPlane = i; dng_pixel_buffer tempMaskBuffer = buffer; tempMaskBuffer.fData = tempMaskBuffer.DirtyPixel (dstArea.t, dstArea.l, dstMaskPlane); tempMaskBuffer.fPlanes = 1; // If there is a semantic mask for this table, load it into the // 'ith' plane of the temp buffer. auto &maskImagePtr = data.fMaskedTables [i].second.fMask; if (maskImagePtr) maskImagePtr->Get (tempMaskBuffer, dng_image::edge_repeat); // Otherwise, it is a background table, so just remember which // index it was. Note there can be at most 1 of these. else backgroundIndex = i; } // If we have a background mask, then we need to compute the // background weight from the others masks that we already loaded. if (backgroundIndex >= 0) { const int32 cols = (int32) dstArea.W (); const int32 mPlaneStep = buffer.PlaneStep (); for (int32 row = dstArea.t; row < dstArea.b; row++) { // Initialize mask pointer to first plane for this row. const real32 *mPtr = buffer.ConstPixel_real32 (row, dstArea.l, 0); // We will write the result into the background mask plane. real32 *dPtr = buffer.DirtyPixel_real32 (row, dstArea.l, backgroundIndex); for (int32 j = 0; j < cols; j++) { real32 mSum = 0.0f; // Accumulate mask weights for all masks except the // background. for (int32 t = 0; t < numTransforms; t++) { if (t != backgroundIndex) { real32 m = mPtr [j + (t * mPlaneStep)]; mSum += m; } } // # of transforms // Compute the background weight. real32 bgWeight = 1.0f - Min_real32 (1.0f, mSum); dPtr [j] = bgWeight; } // cols } // rows } // if there is a background mask } // sequential method else { // Weighted Sum Method. // Walk thru all masked tables. for (size_t i = 0; i < data.fMaskedTableData.size (); i++) { // Get semantic mask. // The plane layout is: // plane 0: transform 0 red // plane 1: transform 0 green // plane 2: transform 0 blue // plane 3: transform 0 semantic mask (alpha) // // plane 4: transform 1 red // plane 5: transform 1 green // plane 6: transform 1 blue // plane 7: transform 1 semantic mask (alpha) // // etc. const uint32 dstPlane = 4 * (uint32) i; const uint32 dstMaskPlane = dstPlane + 3; dng_pixel_buffer tempMaskBuffer = tempRGBTablesBuffer; tempMaskBuffer.fData = tempMaskBuffer.DirtyPixel (dstArea.t, dstArea.l, dstMaskPlane); tempMaskBuffer.fPlanes = 1; data.fMaskedTables [i].second.fMask->Get (tempMaskBuffer, dng_image::edge_repeat); } // all masked tables } // weighted sum method } // RGBTables // Process each row of the image. for (int32 srcRow = srcArea.t; srcRow < srcArea.b; srcRow++) { if (fNegative.Stage3BlackLevel ()) { for (uint32 plane = 0; plane < fSrcPlanes; plane++) { real32 *sPtr = (real32 *) srcBuffer.DirtyPixel (srcRow, srcArea.l, plane); DoBaseline1DTable (sPtr, sPtr, srcCols, fZeroOffsetRamp); } } // First convert from camera native space to linear PhotoRGB, // applying the white balance and camera profile. { const real32 *sPtrA = (const real32 *) srcBuffer.ConstPixel (srcRow, srcArea.l, 0); if (fSrcPlanes == 1) { // For monochrome cameras, this just requires copying // the data into all three color channels. DoCopyBytes (sPtrA, tPtrR, srcCols * (uint32) sizeof (real32)); DoCopyBytes (sPtrA, tPtrG, srcCols * (uint32) sizeof (real32)); DoCopyBytes (sPtrA, tPtrB, srcCols * (uint32) sizeof (real32)); } else { const real32 *sPtrB = sPtrA + srcBuffer.fPlaneStep; const real32 *sPtrC = sPtrB + srcBuffer.fPlaneStep; if (fSrcPlanes == 3) { DoBaselineABCtoRGB (sPtrA, sPtrB, sPtrC, tPtrR, tPtrG, tPtrB, srcCols, fCameraWhite, fCameraToRGB); } else { const real32 *sPtrD = sPtrC + srcBuffer.fPlaneStep; DoBaselineABCDtoRGB (sPtrA, sPtrB, sPtrC, sPtrD, tPtrR, tPtrG, tPtrB, srcCols, fCameraWhite, fCameraToRGB); } // Apply Hue/Sat map, if any. if (fHueSatMap.Get ()) { DoBaselineHueSatMap (tPtrR, tPtrG, tPtrB, tPtrR, tPtrG, tPtrB, srcCols, *fHueSatMap.Get (), fHueSatMapEncode.Get (), fHueSatMapDecode.Get (), fSupportOverrange); } } } // Apply ProfileGainTableMap / ProfileGainTableMap2. // // This step should be normally be done after applying // BaselineExposure. In this sample render pipeline, the // BaselineExposure step is combined with other steps (such as black // subtraction) into the exposure curve. Therefore, we choose to apply // the ProfileGainTableMap before the exposure adjustment and obtain // the correct result by effectively scaling the MapInputWeights // parameter by the baseline exposure. // Select which ProfileGainTableMap to use. std::shared_ptr pgtm; // If the profile has a ProfileGainTableMap, then just use that. const dng_camera_profile_id &profileID = fParams.CameraProfileID (); dng_camera_profile profile; if (fNegative.GetProfileByID (profileID, profile) && profile.HasProfileGainTableMap ()) { pgtm = profile.ShareProfileGainTableMap (); } // Otherwise fall back to the PGTM attached to the negative itself, // which corresponds to either ProfileGainTableMap2 in IFD 0 or // ProfileGainTableMap in Raw IFD. else if (fNegative.HasProfileGainTableMap ()) { pgtm = fNegative.ShareProfileGainTableMap (); } if (pgtm) { const dng_rect activeArea = fNegative.Stage3Image ()->Bounds (); const real32 exposureWeightGain = (real32) pow (2.0, fBaselineExposure); DoBaselineProfileGainTableMap (tPtrR, // src tPtrG, tPtrB, tPtrR, // dst tPtrG, tPtrB, srcCols, // columns srcRow, // top of tile srcArea.l, // left of tile activeArea, exposureWeightGain, *pgtm, fSupportOverrange); } // Apply exposure curve. if (fExposureRamp.Get ()) { DoBaseline1DFunction (tPtrR, tPtrR, srcCols, *fExposureRamp, fSupportOverrange); DoBaseline1DFunction (tPtrG, tPtrG, srcCols, *fExposureRamp, fSupportOverrange); DoBaseline1DFunction (tPtrB, tPtrB, srcCols, *fExposureRamp, fSupportOverrange); } // Apply look table, if any. if (fLookTable.Get ()) { DoBaselineHueSatMap (tPtrR, tPtrG, tPtrB, tPtrR, tPtrG, tPtrB, srcCols, *fLookTable.Get (), fLookTableEncode.Get (), fLookTableDecode.Get (), fSupportOverrange); } // Apply baseline tone curve. if (fToneCurveSlopeExtension.Get ()) DoBaselineRGBToneOverrange (tPtrR, tPtrG, tPtrB, tPtrR, tPtrG, tPtrB, srcCols, fToneCurve, *fToneCurveSlopeExtension); else DoBaselineRGBTone (tPtrR, tPtrG, tPtrB, tPtrR, tPtrG, tPtrB, srcCols, fToneCurve); // Apply RGBTables, if any. if (fRGBTablesData) { dng_rect dstRowArea (srcRow, srcArea.l, srcRow + 1, srcArea.r); dng_pixel_buffer buffer; buffer.fArea = dstRowArea; buffer.fPlanes = 3; buffer.fColStep = 1; buffer.fPlaneStep = int32 (ptrdiff_t (tPtrG - tPtrR)); buffer.fPixelType = ttFloat; buffer.fPixelSize = TagTypeSize (buffer.fPixelType); buffer.fData = (void *) tPtrR; ProcessRGBTables (*fRGBTablesData, buffer, tempRGBTablesBuffer, fSupportOverrange); } // Convert to final color space. int32 dstRow = srcRow + (dstArea.t - srcArea.t); if (fDstPlanes == 1) { real32 *dPtrG = dstBuffer.DirtyPixel_real32 (dstRow, dstArea.l, 0); DoBaselineRGBtoGray (tPtrR, tPtrG, tPtrB, dPtrG, srcCols, fRGBtoFinal, fSupportOverrange); if (fEncodeGamma.Get ()) DoBaseline1DTable (dPtrG, dPtrG, srcCols, *fEncodeGamma); } else { real32 *dPtrR = dstBuffer.DirtyPixel_real32 (dstRow, dstArea.l, 0); real32 *dPtrG = dPtrR + dstBuffer.fPlaneStep; real32 *dPtrB = dPtrG + dstBuffer.fPlaneStep; DoBaselineRGBtoRGB (tPtrR, tPtrG, tPtrB, dPtrR, dPtrG, dPtrB, srcCols, fRGBtoFinal, fSupportOverrange); if (fEncodeGamma.Get ()) { DoBaseline1DTable (dPtrR, dPtrR, srcCols, *fEncodeGamma); DoBaseline1DTable (dPtrG, dPtrG, srcCols, *fEncodeGamma); DoBaseline1DTable (dPtrB, dPtrB, srcCols, *fEncodeGamma); } } if (fSrcMask) { const real32 *mPtr = maskBuffer.ConstPixel_real32 (srcRow, srcArea.l, 0); for (uint32 dstPlane = 0; dstPlane < fDstPlanes; dstPlane++) { real32 *dPtr = dstBuffer.DirtyPixel_real32 (dstRow, dstArea.l, dstPlane); for (uint32 col = 0; col < srcCols; col++) { // White Matte dPtr [col] = 1.0f - (1.0f - dPtr [col]) * mPtr [col]; } } } } // each row } /*****************************************************************************/ dng_render::dng_render (dng_host &host, const dng_negative &negative) : fHost (host) , fNegative (negative) , fWhiteXY () , fExposure (0.0) , fShadows (5.0) , fToneCurve (&dng_tone_curve_acr3_default::Get ()) , fFinalSpace (&dng_space_sRGB::Get ()) , fFinalPixelType (ttByte) , fMaximumSize (0) , fProfileToneCurve () { } /*****************************************************************************/ dng_image * dng_render::Render () { // Switch to NOP default parameters for non-scene referred data. if (fNegative.IsOutputReferred ()) { fShadows = 0.0; fToneCurve = &dng_1d_identity::Get (); } // Use default tone curve from profile if any. dng_camera_profile profile; if (fNegative.GetProfileByID (CameraProfileID (), profile)) { if (profile.ToneCurve ().IsValid ()) { fProfileToneCurve.Reset (new dng_spline_solver); profile.ToneCurve ().Solve (*fProfileToneCurve.Get ()); fToneCurve = fProfileToneCurve.Get (); } // Turn off default shadow mapping if requested by profile. if (profile.DefaultBlackRender () == defaultBlackRender_None) { fShadows = 0.0; } } const dng_image *srcImage = fNegative.Stage3Image (); const dng_image *srcMask = fNegative.TransparencyMask (); dng_rect srcBounds = fNegative.DefaultCropArea (); dng_point dstSize; dstSize.h = fNegative.DefaultFinalWidth (); dstSize.v = fNegative.DefaultFinalHeight (); if (MaximumSize ()) { if (Max_uint32 (dstSize.h, dstSize.v) > MaximumSize ()) { real64 ratio = fNegative.AspectRatio (); if (ratio >= 1.0) { dstSize.h = MaximumSize (); dstSize.v = Max_uint32 (1, Round_uint32 (dstSize.h / ratio)); } else { dstSize.v = MaximumSize (); dstSize.h = Max_uint32 (1, Round_uint32 (dstSize.v * ratio)); } } } AutoPtr tempImage; AutoPtr tempMask; if (srcBounds.Size () != dstSize) { tempImage.Reset (fHost.Make_dng_image (dstSize, srcImage->Planes (), srcImage->PixelType ())); ResampleImage (fHost, *srcImage, *tempImage.Get (), srcBounds, tempImage->Bounds (), dng_resample_bicubic::Get ()); if (srcMask != NULL) { tempMask.Reset (fHost.Make_dng_image (dstSize, srcMask->Planes (), srcMask->PixelType ())); ResampleImage (fHost, *srcMask, *tempMask.Get (), srcBounds, tempMask->Bounds (), dng_resample_bicubic::Get ()); srcMask = tempMask.Get (); } srcImage = tempImage.Get (); srcBounds = tempImage->Bounds (); } uint32 dstPlanes = FinalSpace (nullptr).IsMonochrome () ? 1 : 3; AutoPtr dstImage (fHost.Make_dng_image (srcBounds.Size (), dstPlanes, FinalPixelType ())); dng_render_task task (*srcImage, srcMask, *dstImage.Get (), fNegative, *this, srcBounds.TL ()); fHost.PerformAreaTask (task, dstImage->Bounds ()); return dstImage.Release (); } /*****************************************************************************/ const dng_color_space & dng_render::FinalSpace (const dng_camera_profile *profile) const { const dng_color_space &finalSpace = (fFinalSpace != nullptr) ? *fFinalSpace : dng_space_sRGB::Get (); // This SDK supports rendering overrange/HDR to linear floating-point // output where 1.0 means UI White. Substitute a linear gamma version of // the profile. if (profile && profile->IsHDR ()) { const dng_color_space *ptr = &finalSpace; if (ptr->IsMonochrome ()) return dng_space_Gray_Linear::Get (); if (ptr == &dng_space_sRGB::Get ()) return dng_space_sRGB_Linear::Get (); if (ptr == &dng_space_AdobeRGB::Get ()) return dng_space_AdobeRGB_Linear::Get (); if (ptr == &dng_space_ProPhoto::Get ()) return dng_space_ProPhoto_Linear::Get (); if (ptr == &dng_space_DisplayP3::Get ()) return dng_space_LinearP3::Get (); if (ptr == &dng_space_Rec2020::Get ()) return dng_space_Rec2020_Linear::Get (); } return finalSpace; } /*****************************************************************************/