summaryrefslogtreecommitdiff
path: root/plugins/AdvaImg/src/FreeImage/Conversion.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/AdvaImg/src/FreeImage/Conversion.cpp')
-rw-r--r--plugins/AdvaImg/src/FreeImage/Conversion.cpp551
1 files changed, 0 insertions, 551 deletions
diff --git a/plugins/AdvaImg/src/FreeImage/Conversion.cpp b/plugins/AdvaImg/src/FreeImage/Conversion.cpp
deleted file mode 100644
index 815057ad08..0000000000
--- a/plugins/AdvaImg/src/FreeImage/Conversion.cpp
+++ /dev/null
@@ -1,551 +0,0 @@
-// ==========================================================
-// Bitmap conversion routines
-//
-// Design and implementation by
-// - Floris van den Berg (flvdberg@wxs.nl)
-// - Hervé Drolon (drolon@infonie.fr)
-// - Jani Kajala (janik@remedy.fi)
-// - Mihail Naydenov (mnaydenov@users.sourceforge.net)
-// - Carsten Klein (cklein05@users.sourceforge.net)
-//
-// This file is part of FreeImage 3
-//
-// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY
-// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
-// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE
-// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
-// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT
-// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
-// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL
-// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER
-// THIS DISCLAIMER.
-//
-// Use at your own risk!
-// ==========================================================
-
-#include "FreeImage.h"
-#include "Utilities.h"
-#include "Quantizers.h"
-
-// ----------------------------------------------------------
-
-#define CONVERT(from, to) case to : FreeImage_ConvertLine##from##To##to(bits, scanline, FreeImage_GetWidth(dib)); break;
-#define CONVERTWITHPALETTE(from, to) case to : FreeImage_ConvertLine##from##To##to(bits, scanline, FreeImage_GetWidth(dib), FreeImage_GetPalette(dib)); break;
-
-#define CONVERTTO16(from) \
- case 16 : \
- if ((red_mask == FI16_555_RED_MASK) && (green_mask == FI16_555_GREEN_MASK) && (blue_mask == FI16_555_BLUE_MASK)) { \
- FreeImage_ConvertLine##from##To16_555(bits, scanline, FreeImage_GetWidth(dib)); \
- } else { \
- FreeImage_ConvertLine##from##To16_565(bits, scanline, FreeImage_GetWidth(dib)); \
- } \
- break;
-
-#define CONVERTTO16WITHPALETTE(from) \
- case 16 : \
- if ((red_mask == FI16_555_RED_MASK) && (green_mask == FI16_555_GREEN_MASK) && (blue_mask == FI16_555_BLUE_MASK)) { \
- FreeImage_ConvertLine##from##To16_555(bits, scanline, FreeImage_GetWidth(dib), FreeImage_GetPalette(dib)); \
- } else { \
- FreeImage_ConvertLine##from##To16_565(bits, scanline, FreeImage_GetWidth(dib), FreeImage_GetPalette(dib)); \
- } \
- break;
-
-// ==========================================================
-// Utility functions declared in Utilities.h
-
-BOOL SwapRedBlue32(FIBITMAP* dib) {
- if(FreeImage_GetImageType(dib) != FIT_BITMAP) {
- return FALSE;
- }
-
- const unsigned bytesperpixel = FreeImage_GetBPP(dib) / 8;
- if(bytesperpixel > 4 || bytesperpixel < 3) {
- return FALSE;
- }
-
- const unsigned height = FreeImage_GetHeight(dib);
- const unsigned pitch = FreeImage_GetPitch(dib);
- const unsigned lineSize = FreeImage_GetLine(dib);
-
- BYTE* line = FreeImage_GetBits(dib);
- for(unsigned y = 0; y < height; ++y, line += pitch) {
- for(BYTE* pixel = line; pixel < line + lineSize ; pixel += bytesperpixel) {
- INPLACESWAP(pixel[0], pixel[2]);
- }
- }
-
- return TRUE;
-}
-
-// ----------------------------------------------------------
-
-static inline void
-assignRGB(WORD r, WORD g, WORD b, WORD* out) {
- out[0] = r;
- out[1] = g;
- out[2] = b;
-}
-
-static inline void
-assignRGB(BYTE r, BYTE g, BYTE b, BYTE* out) {
- out[FI_RGBA_RED] = r;
- out[FI_RGBA_GREEN] = g;
- out[FI_RGBA_BLUE] = b;
-}
-
-/**
-CMYK -> CMY -> RGB conversion from http://www.easyrgb.com/
-
-CMYK to CMY [0-1]: C,M,Y * (1 - K) + K
-CMY to RGB [0-1]: (1 - C,M,Y)
-
-=> R,G,B = (1 - C,M,Y) * (1 - K)
-mapped to [0-MAX_VAL]:
-(MAX_VAL - C,M,Y) * (MAX_VAL - K) / MAX_VAL
-*/
-template <class T>
-static inline void
-CMYKToRGB(T C, T M, T Y, T K, T* out) {
- unsigned max_val = std::numeric_limits<T>::max();
-
- unsigned r = (max_val - C) * (max_val - K) / max_val;
- unsigned g = (max_val - M) * (max_val - K) / max_val;
- unsigned b = (max_val - Y) * (max_val - K) / max_val;
-
- // clamp values to [0..max_val]
- T red = (T)CLAMP(r, (unsigned)0, max_val);
- T green = (T)CLAMP(g, (unsigned)0, max_val);
- T blue = (T)CLAMP(b, (unsigned)0, max_val);
-
- assignRGB(red, green, blue, out);
-}
-
-template <class T>
-static void
-_convertCMYKtoRGBA(unsigned width, unsigned height, BYTE* line_start, unsigned pitch, unsigned samplesperpixel) {
- const BOOL hasBlack = (samplesperpixel > 3) ? TRUE : FALSE;
- const T MAX_VAL = std::numeric_limits<T>::max();
-
- T K = 0;
- for(unsigned y = 0; y < height; y++) {
- T *line = (T*)line_start;
-
- for(unsigned x = 0; x < width; x++) {
- if(hasBlack) {
- K = line[FI_RGBA_ALPHA];
- line[FI_RGBA_ALPHA] = MAX_VAL; // TODO write the first extra channel as alpha!
- }
-
- CMYKToRGB<T>(line[0], line[1], line[2], K, line);
-
- line += samplesperpixel;
- }
- line_start += pitch;
- }
-}
-
-BOOL
-ConvertCMYKtoRGBA(FIBITMAP* dib) {
- if(!FreeImage_HasPixels(dib)) {
- return FALSE;
- }
-
- const FREE_IMAGE_TYPE image_type = FreeImage_GetImageType(dib);
- const unsigned bytesperpixel = FreeImage_GetBPP(dib)/8;
-
- unsigned channelSize = 1;
- if (image_type == FIT_RGBA16 || image_type == FIT_RGB16) {
- channelSize = sizeof(WORD);
- } else if (!(image_type == FIT_BITMAP && (bytesperpixel > 2))) {
- return FALSE;
- }
-
- const unsigned width = FreeImage_GetWidth(dib);
- const unsigned height = FreeImage_GetHeight(dib);
- BYTE *line_start = FreeImage_GetScanLine(dib, 0);
- const unsigned pitch = FreeImage_GetPitch(dib);
-
- unsigned samplesperpixel = FreeImage_GetLine(dib) / width / channelSize;
-
- if(channelSize == sizeof(WORD)) {
- _convertCMYKtoRGBA<WORD>(width, height, line_start, pitch, samplesperpixel);
- } else {
- _convertCMYKtoRGBA<BYTE>(width, height, line_start, pitch, samplesperpixel);
- }
-
- return TRUE;
-}
-
-// ----------------------------------------------------------
-
-/**
-CIELab -> XYZ conversion from http://www.easyrgb.com/
-*/
-static void
-CIELabToXYZ(float L, float a, float b, float *X, float *Y, float *Z) {
- float pow_3;
-
- // CIELab -> XYZ conversion
- // ------------------------
- float var_Y = (L + 16.F ) / 116.F;
- float var_X = a / 500.F + var_Y;
- float var_Z = var_Y - b / 200.F;
-
- pow_3 = powf(var_Y, 3);
- if(pow_3 > 0.008856F) {
- var_Y = pow_3;
- } else {
- var_Y = ( var_Y - 16.F / 116.F ) / 7.787F;
- }
- pow_3 = powf(var_X, 3);
- if(pow_3 > 0.008856F) {
- var_X = pow_3;
- } else {
- var_X = ( var_X - 16.F / 116.F ) / 7.787F;
- }
- pow_3 = powf(var_Z, 3);
- if(pow_3 > 0.008856F) {
- var_Z = pow_3;
- } else {
- var_Z = ( var_Z - 16.F / 116.F ) / 7.787F;
- }
-
- static const float ref_X = 95.047F;
- static const float ref_Y = 100.000F;
- static const float ref_Z = 108.883F;
-
- *X = ref_X * var_X; // ref_X = 95.047 (Observer= 2°, Illuminant= D65)
- *Y = ref_Y * var_Y; // ref_Y = 100.000
- *Z = ref_Z * var_Z; // ref_Z = 108.883
-}
-
-/**
-XYZ -> RGB conversion from http://www.easyrgb.com/
-*/
-static void
-XYZToRGB(float X, float Y, float Z, float *R, float *G, float *B) {
- float var_X = X / 100; // X from 0 to 95.047 (Observer = 2°, Illuminant = D65)
- float var_Y = Y / 100; // Y from 0 to 100.000
- float var_Z = Z / 100; // Z from 0 to 108.883
-
- float var_R = var_X * 3.2406F + var_Y * -1.5372F + var_Z * -0.4986F;
- float var_G = var_X * -0.9689F + var_Y * 1.8758F + var_Z * 0.0415F;
- float var_B = var_X * 0.0557F + var_Y * -0.2040F + var_Z * 1.0570F;
-
- float exponent = 1.F / 2.4F;
-
- if(var_R > 0.0031308F) {
- var_R = 1.055F * powf(var_R, exponent) - 0.055F;
- } else {
- var_R = 12.92F * var_R;
- }
- if(var_G > 0.0031308F) {
- var_G = 1.055F * powf(var_G, exponent) - 0.055F;
- } else {
- var_G = 12.92F * var_G;
- }
- if(var_B > 0.0031308F) {
- var_B = 1.055F * powf(var_B, exponent) - 0.055F;
- } else {
- var_B = 12.92F * var_B;
- }
-
- *R = var_R;
- *G = var_G;
- *B = var_B;
-}
-
-template<class T>
-static void
-CIELabToRGB(float L, float a, float b, T *rgb) {
- float X, Y, Z;
- float R, G, B;
- const float max_val = std::numeric_limits<T>::max();
-
- CIELabToXYZ(L, a, b, &X, &Y, &Z);
- XYZToRGB(X, Y, Z, &R, &G, &B);
-
- // clamp values to [0..max_val]
- T red = (T)CLAMP(R * max_val, 0.0F, max_val);
- T green = (T)CLAMP(G * max_val, 0.0F, max_val);
- T blue = (T)CLAMP(B * max_val, 0.0F, max_val);
-
- assignRGB(red, green, blue, rgb);
-}
-
-template<class T>
-static void
-_convertLABtoRGB(unsigned width, unsigned height, BYTE* line_start, unsigned pitch, unsigned samplesperpixel) {
- const unsigned max_val = std::numeric_limits<T>::max();
- const float sL = 100.F / max_val;
- const float sa = 256.F / max_val;
- const float sb = 256.F / max_val;
-
- for(unsigned y = 0; y < height; y++) {
- T *line = (T*)line_start;
-
- for(unsigned x = 0; x < width; x++) {
- CIELabToRGB(line[0]* sL, line[1]* sa - 128.F, line[2]* sb - 128.F, line);
-
- line += samplesperpixel;
- }
- line_start += pitch;
- }
-}
-
-BOOL
-ConvertLABtoRGB(FIBITMAP* dib) {
- if(!FreeImage_HasPixels(dib)) {
- return FALSE;
- }
-
- const FREE_IMAGE_TYPE image_type = FreeImage_GetImageType(dib);
- const unsigned bytesperpixel = FreeImage_GetBPP(dib) / 8;
-
- unsigned channelSize = 1;
- if (image_type == FIT_RGBA16 || image_type == FIT_RGB16) {
- channelSize = sizeof(WORD);
- } else if (!(image_type == FIT_BITMAP && (bytesperpixel > 2))) {
- return FALSE;
- }
-
- const unsigned width = FreeImage_GetWidth(dib);
- const unsigned height = FreeImage_GetHeight(dib);
- BYTE *line_start = FreeImage_GetScanLine(dib, 0);
- const unsigned pitch = FreeImage_GetPitch(dib);
-
- unsigned samplesperpixel = FreeImage_GetLine(dib) / width / channelSize;
-
- if(channelSize == 1) {
- _convertLABtoRGB<BYTE>(width, height, line_start, pitch, samplesperpixel);
- }
- else {
- _convertLABtoRGB<WORD>(width, height, line_start, pitch, samplesperpixel);
- }
-
- return TRUE;
-}
-
-// ----------------------------------------------------------
-
-FIBITMAP*
-RemoveAlphaChannel(FIBITMAP* src) {
-
- if(!FreeImage_HasPixels(src)) {
- return NULL;
- }
-
- const FREE_IMAGE_TYPE image_type = FreeImage_GetImageType(src);
-
- switch(image_type) {
- case FIT_BITMAP:
- if(FreeImage_GetBPP(src) == 32) {
- // convert to 24-bit
- return FreeImage_ConvertTo24Bits(src);
- }
- break;
- case FIT_RGBA16:
- // convert to RGB16
- return FreeImage_ConvertToRGB16(src);
- case FIT_RGBAF:
- // convert to RGBF
- return FreeImage_ConvertToRGBF(src);
- default:
- // unsupported image type
- return NULL;
- }
-
- return NULL;
-}
-
-
-// ==========================================================
-
-FIBITMAP * DLL_CALLCONV
-FreeImage_ColorQuantize(FIBITMAP *dib, FREE_IMAGE_QUANTIZE quantize) {
- return FreeImage_ColorQuantizeEx(dib, quantize);
-}
-
-FIBITMAP * DLL_CALLCONV
-FreeImage_ColorQuantizeEx(FIBITMAP *dib, FREE_IMAGE_QUANTIZE quantize, int PaletteSize, int ReserveSize, RGBQUAD *ReservePalette) {
- if( PaletteSize < 2 ) PaletteSize = 2;
- if( PaletteSize > 256 ) PaletteSize = 256;
- if( ReserveSize < 0 ) ReserveSize = 0;
- if( ReserveSize > PaletteSize ) ReserveSize = PaletteSize;
- if (FreeImage_HasPixels(dib)) {
- const unsigned bpp = FreeImage_GetBPP(dib);
- if((FreeImage_GetImageType(dib) == FIT_BITMAP) && (bpp == 24 || bpp == 32)) {
- switch(quantize) {
- case FIQ_WUQUANT :
- {
- try {
- WuQuantizer Q (dib);
- FIBITMAP *dst = Q.Quantize(PaletteSize, ReserveSize, ReservePalette);
- if(dst) {
- // copy metadata from src to dst
- FreeImage_CloneMetadata(dst, dib);
- }
- return dst;
- } catch (const char *) {
- return NULL;
- }
- break;
- }
- case FIQ_NNQUANT :
- {
- if (bpp == 32) {
- // 32-bit images not supported by NNQUANT
- return NULL;
- }
- // sampling factor in range 1..30.
- // 1 => slower (but better), 30 => faster. Default value is 1
- const int sampling = 1;
-
- NNQuantizer Q(PaletteSize);
- FIBITMAP *dst = Q.Quantize(dib, ReserveSize, ReservePalette, sampling);
- if(dst) {
- // copy metadata from src to dst
- FreeImage_CloneMetadata(dst, dib);
- }
- return dst;
- }
- case FIQ_LFPQUANT :
- {
- LFPQuantizer Q(PaletteSize);
- FIBITMAP *dst = Q.Quantize(dib, ReserveSize, ReservePalette);
- if(dst) {
- // copy metadata from src to dst
- FreeImage_CloneMetadata(dst, dib);
- }
- return dst;
- }
- }
- }
- }
-
- return NULL;
-}
-
-// ==========================================================
-
-FIBITMAP * DLL_CALLCONV
-FreeImage_ConvertFromRawBitsEx(BOOL copySource, BYTE *bits, FREE_IMAGE_TYPE type, int width, int height, int pitch, unsigned bpp, unsigned red_mask, unsigned green_mask, unsigned blue_mask, BOOL topdown) {
- FIBITMAP *dib = NULL;
-
- if(copySource) {
- // allocate a FIBITMAP with internally managed pixel buffer
- dib = FreeImage_AllocateT(type, width, height, bpp, red_mask, green_mask, blue_mask);
- if(!dib) {
- return NULL;
- }
- // copy user provided pixel buffer into the dib
- const unsigned linesize = FreeImage_GetLine(dib);
- for(int y = 0; y < height; y++) {
- memcpy(FreeImage_GetScanLine(dib, y), bits, linesize);
- // next line in user's buffer
- bits += pitch;
- }
- // flip pixels vertically if needed
- if(topdown) {
- FreeImage_FlipVertical(dib);
- }
- }
- else {
- // allocate a FIBITMAP using a wrapper to user provided pixel buffer
- dib = FreeImage_AllocateHeaderForBits(bits, pitch, type, width, height, bpp, red_mask, green_mask, blue_mask);
- if(!dib) {
- return NULL;
- }
- // flip pixels vertically if needed
- if(topdown) {
- FreeImage_FlipVertical(dib);
- }
- }
-
- return dib;
-}
-
-FIBITMAP * DLL_CALLCONV
-FreeImage_ConvertFromRawBits(BYTE *bits, int width, int height, int pitch, unsigned bpp, unsigned red_mask, unsigned green_mask, unsigned blue_mask, BOOL topdown) {
- return FreeImage_ConvertFromRawBitsEx(TRUE /* copySource */, bits, FIT_BITMAP, width, height, pitch, bpp, red_mask, green_mask, blue_mask, topdown);
-}
-
-void DLL_CALLCONV
-FreeImage_ConvertToRawBits(BYTE *bits, FIBITMAP *dib, int pitch, unsigned bpp, unsigned red_mask, unsigned green_mask, unsigned blue_mask, BOOL topdown) {
- if (FreeImage_HasPixels(dib) && (bits != NULL)) {
- for (unsigned i = 0; i < FreeImage_GetHeight(dib); ++i) {
- BYTE *scanline = FreeImage_GetScanLine(dib, topdown ? (FreeImage_GetHeight(dib) - i - 1) : i);
-
- if ((bpp == 16) && (FreeImage_GetBPP(dib) == 16)) {
- // convert 555 to 565 or vice versa
-
- if ((red_mask == FI16_555_RED_MASK) && (green_mask == FI16_555_GREEN_MASK) && (blue_mask == FI16_555_BLUE_MASK)) {
- if ((FreeImage_GetRedMask(dib) == FI16_565_RED_MASK) && (FreeImage_GetGreenMask(dib) == FI16_565_GREEN_MASK) && (FreeImage_GetBlueMask(dib) == FI16_565_BLUE_MASK)) {
- FreeImage_ConvertLine16_565_To16_555(bits, scanline, FreeImage_GetWidth(dib));
- } else {
- memcpy(bits, scanline, FreeImage_GetLine(dib));
- }
- } else {
- if ((FreeImage_GetRedMask(dib) == FI16_555_RED_MASK) && (FreeImage_GetGreenMask(dib) == FI16_555_GREEN_MASK) && (FreeImage_GetBlueMask(dib) == FI16_555_BLUE_MASK)) {
- FreeImage_ConvertLine16_555_To16_565(bits, scanline, FreeImage_GetWidth(dib));
- } else {
- memcpy(bits, scanline, FreeImage_GetLine(dib));
- }
- }
- } else if (FreeImage_GetBPP(dib) != bpp) {
- switch(FreeImage_GetBPP(dib)) {
- case 1 :
- switch(bpp) {
- CONVERT(1, 8)
- CONVERTTO16WITHPALETTE(1)
- CONVERTWITHPALETTE(1, 24)
- CONVERTWITHPALETTE(1, 32)
- }
-
- break;
-
- case 4 :
- switch(bpp) {
- CONVERT(4, 8)
- CONVERTTO16WITHPALETTE(4)
- CONVERTWITHPALETTE(4, 24)
- CONVERTWITHPALETTE(4, 32)
- }
-
- break;
-
- case 8 :
- switch(bpp) {
- CONVERTTO16WITHPALETTE(8)
- CONVERTWITHPALETTE(8, 24)
- CONVERTWITHPALETTE(8, 32)
- }
-
- break;
-
- case 24 :
- switch(bpp) {
- CONVERT(24, 8)
- CONVERTTO16(24)
- CONVERT(24, 32)
- }
-
- break;
-
- case 32 :
- switch(bpp) {
- CONVERT(32, 8)
- CONVERTTO16(32)
- CONVERT(32, 24)
- }
-
- break;
- }
- } else {
- memcpy(bits, scanline, FreeImage_GetLine(dib));
- }
-
- bits += pitch;
- }
- }
-}