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-rw-r--r--trunk/src/image.cpp540
1 files changed, 0 insertions, 540 deletions
diff --git a/trunk/src/image.cpp b/trunk/src/image.cpp
deleted file mode 100644
index 20fa868..0000000
--- a/trunk/src/image.cpp
+++ /dev/null
@@ -1,540 +0,0 @@
-/******************************************************************************
- *
- *
- *
- *
- * Copyright (C) 1997-2012 by Dimitri van Heesch.
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation under the terms of the GNU General Public License is hereby
- * granted. No representations are made about the suitability of this software
- * for any purpose. It is provided "as is" without express or implied warranty.
- * See the GNU General Public License for more details.
- *
- * Documents produced by Doxygen are derivative works derived from the
- * input used in their production; they are not affected by this license.
- *
- */
-
-#include "qtbc.h"
-#include "image.h"
-#include <qfile.h>
-#include <math.h>
-#include "lodepng.h"
-#include "config.h"
-
-typedef unsigned char Byte;
-
-struct Color
-{
- Byte red;
- Byte green;
- Byte blue;
- Byte alpha;
-};
-
-const int charSetWidth=80;
-const int charHeight=12;
-const int numChars=96;
-
-unsigned short charPos[numChars] =
- {
- 0, 5, 8, 13, 20, 27, 38, 47,
- 50, 54, 58, 65, 72, 76, 83, 87,
- 91, 98,105,112,119,126,133,140,
- 147,154,161,164,167,174,181,188,
- 195,207,216,224,233,242,250,258,
- 267,276,279,286,294,301,312,321,
- 331,339,349,357,365,372,380,389,
- 400,409,418,427,430,434,437,443,
- 450,453,460,467,474,481,488,492,
- 499,506,509,512,518,521,530,537,
- 544,551,557,562,568,571,578,585,
- 594,600,607,613,617,620,624,631
- };
-
-unsigned char charWidth[numChars] =
- {
- 5, 3, 5, 7, 7,11, 9, 3,
- 4, 4, 7, 7, 4, 7, 4, 4,
-
- 7, 7, 7, 7, 7, 7, 7, 7,
- 7, 7, 3, 3, 7, 7, 7, 7,
- 12, 9, 8, 9, 9, 8, 8, 9,
- 9, 3, 7, 8, 7,11, 9,10,
- 8,10, 8, 8, 7, 8, 9,11,
- 9, 9, 9, 3, 4, 3, 6, 7,
- 3, 7, 7, 7, 7, 7, 4, 7,
- 7, 3, 3, 6, 3, 9, 7, 7,
- 7, 6, 5, 6, 3, 7, 7, 9,
- 6, 7, 6, 4, 3, 4, 7, 5
- };
-
-unsigned char fontRaw[charSetWidth*charHeight] = {
- 0x02, 0x50, 0x01, 0x06, 0x20, 0x60, 0xc6, 0x04, 0x00, 0x00, 0x00, 0x27,
- 0x04, 0x1c, 0x38, 0x11, 0xf1, 0xc7, 0xc7, 0x0e, 0x00, 0x00, 0x00, 0x03,
- 0x81, 0xf0, 0x10, 0x7c, 0x1e, 0x3e, 0x1f, 0x9f, 0x87, 0x88, 0x24, 0x09,
- 0x09, 0x02, 0x02, 0x41, 0x0f, 0x0f, 0x83, 0xc3, 0xe1, 0xe7, 0xf4, 0x24,
- 0x12, 0x22, 0x41, 0x20, 0x9f, 0xce, 0x30, 0x00, 0x10, 0x04, 0x00, 0x01,
- 0x00, 0x30, 0x08, 0x12, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40,
- 0x00, 0x00, 0x00, 0x00, 0x01, 0xac, 0x00, 0x00, 0x02, 0x51, 0x43, 0x89,
- 0x40, 0x90, 0x49, 0x15, 0x00, 0x00, 0x00, 0x28, 0x9c, 0x22, 0x44, 0x31,
- 0x02, 0x20, 0x48, 0x91, 0x00, 0x00, 0x00, 0x04, 0x46, 0x08, 0x28, 0x42,
- 0x21, 0x21, 0x10, 0x10, 0x08, 0x48, 0x24, 0x09, 0x11, 0x03, 0x06, 0x61,
- 0x10, 0x88, 0x44, 0x22, 0x12, 0x10, 0x84, 0x24, 0x12, 0x22, 0x22, 0x20,
- 0x80, 0x4a, 0x11, 0x00, 0x20, 0x04, 0x00, 0x01, 0x00, 0x40, 0x08, 0x00,
- 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00,
- 0x02, 0x22, 0x00, 0x00, 0x02, 0x51, 0x45, 0x49, 0x40, 0x90, 0x89, 0x0a,
- 0x00, 0x00, 0x00, 0x48, 0x84, 0x02, 0x04, 0x51, 0x02, 0x00, 0x88, 0x91,
- 0x00, 0x00, 0x00, 0x04, 0x44, 0xd4, 0x28, 0x42, 0x40, 0x20, 0x90, 0x10,
- 0x10, 0x08, 0x24, 0x09, 0x21, 0x03, 0x06, 0x51, 0x20, 0x48, 0x48, 0x12,
- 0x12, 0x00, 0x84, 0x22, 0x22, 0x22, 0x22, 0x11, 0x00, 0x89, 0x12, 0x80,
- 0x31, 0xc5, 0x87, 0x0d, 0x1c, 0xe3, 0x4b, 0x12, 0x49, 0x29, 0x16, 0x1c,
- 0x58, 0x69, 0x4c, 0xe8, 0x91, 0x44, 0x61, 0x44, 0xf2, 0x22, 0x00, 0x00,
- 0x02, 0x07, 0xe5, 0x06, 0x80, 0x60, 0x10, 0x95, 0x08, 0x00, 0x00, 0x48,
- 0x84, 0x04, 0x18, 0x51, 0xe2, 0xc0, 0x87, 0x11, 0x24, 0x18, 0x03, 0x00,
- 0x89, 0x24, 0x44, 0x42, 0x40, 0x20, 0x90, 0x10, 0x10, 0x08, 0x24, 0x09,
- 0x41, 0x02, 0x8a, 0x51, 0x20, 0x48, 0x48, 0x12, 0x11, 0x80, 0x84, 0x22,
- 0x21, 0x24, 0x14, 0x11, 0x01, 0x09, 0x14, 0x40, 0x02, 0x26, 0x48, 0x93,
- 0x22, 0x44, 0xcc, 0x92, 0x51, 0x36, 0x99, 0x22, 0x64, 0x99, 0x92, 0x48,
- 0x91, 0x44, 0x52, 0x44, 0x12, 0x22, 0x00, 0x00, 0x02, 0x01, 0x43, 0x80,
- 0x80, 0xa0, 0x10, 0x84, 0x08, 0x00, 0x00, 0x88, 0x84, 0x08, 0x04, 0x90,
- 0x13, 0x21, 0x08, 0x8f, 0x00, 0x61, 0xf0, 0xc0, 0x8a, 0x24, 0x44, 0x7c,
- 0x40, 0x20, 0x9f, 0x9f, 0x11, 0xcf, 0xe4, 0x09, 0xc1, 0x02, 0x8a, 0x49,
- 0x20, 0x4f, 0x88, 0x13, 0xe0, 0x60, 0x84, 0x22, 0x21, 0x54, 0x08, 0x0a,
- 0x02, 0x08, 0x90, 0x00, 0x00, 0x24, 0x48, 0x11, 0x22, 0x44, 0x48, 0x92,
- 0x61, 0x24, 0x91, 0x22, 0x44, 0x89, 0x10, 0x48, 0x91, 0x24, 0x8c, 0x44,
- 0x22, 0x22, 0x64, 0x00, 0x02, 0x07, 0xe1, 0x41, 0x31, 0x14, 0x10, 0x80,
- 0x3e, 0x07, 0xc0, 0x88, 0x84, 0x10, 0x05, 0x10, 0x12, 0x21, 0x08, 0x81,
- 0x01, 0x80, 0x00, 0x31, 0x0a, 0x24, 0x7c, 0x42, 0x40, 0x20, 0x90, 0x10,
- 0x10, 0x48, 0x24, 0x09, 0x21, 0x02, 0x52, 0x45, 0x20, 0x48, 0x08, 0x92,
- 0x20, 0x10, 0x84, 0x21, 0x41, 0x54, 0x14, 0x04, 0x04, 0x08, 0x90, 0x00,
- 0x01, 0xe4, 0x48, 0x11, 0x3e, 0x44, 0x48, 0x92, 0x61, 0x24, 0x91, 0x22,
- 0x44, 0x89, 0x0c, 0x48, 0x8a, 0x24, 0x8c, 0x48, 0x44, 0x21, 0x98, 0x00,
- 0x02, 0x02, 0x85, 0x41, 0x49, 0x08, 0x10, 0x80, 0x08, 0x00, 0x00, 0x88,
- 0x84, 0x20, 0x45, 0xf9, 0x12, 0x21, 0x08, 0x81, 0x00, 0x61, 0xf0, 0xc1,
- 0x0a, 0x68, 0x82, 0x42, 0x40, 0x20, 0x90, 0x10, 0x10, 0x48, 0x24, 0x89,
- 0x11, 0x02, 0x52, 0x45, 0x20, 0x48, 0x08, 0x52, 0x12, 0x10, 0x84, 0x21,
- 0x40, 0x88, 0x22, 0x04, 0x08, 0x08, 0x90, 0x00, 0x02, 0x24, 0x48, 0x11,
- 0x20, 0x44, 0x48, 0x92, 0x51, 0x24, 0x91, 0x22, 0x44, 0x89, 0x02, 0x48,
- 0x8a, 0x2a, 0x92, 0x28, 0x42, 0x22, 0x00, 0x00, 0x00, 0x02, 0x85, 0x41,
- 0x49, 0x18, 0x10, 0x80, 0x08, 0x00, 0x01, 0x08, 0x84, 0x20, 0x44, 0x11,
- 0x12, 0x22, 0x08, 0x91, 0x00, 0x18, 0x03, 0x00, 0x09, 0xb0, 0x82, 0x42,
- 0x21, 0x21, 0x10, 0x10, 0x08, 0xc8, 0x24, 0x89, 0x09, 0x02, 0x22, 0x43,
- 0x10, 0x88, 0x04, 0x22, 0x12, 0x10, 0x84, 0x20, 0x80, 0x88, 0x22, 0x04,
- 0x10, 0x08, 0x50, 0x00, 0x02, 0x26, 0x48, 0x93, 0x22, 0x44, 0xc8, 0x92,
- 0x49, 0x24, 0x91, 0x22, 0x64, 0x99, 0x12, 0x49, 0x84, 0x11, 0x21, 0x28,
- 0x82, 0x22, 0x00, 0x00, 0x02, 0x02, 0x83, 0x82, 0x30, 0xe4, 0x10, 0x80,
- 0x00, 0x20, 0x05, 0x07, 0x04, 0x3e, 0x38, 0x10, 0xe1, 0xc2, 0x07, 0x0e,
- 0x24, 0x00, 0x00, 0x01, 0x04, 0x00, 0x82, 0x7c, 0x1e, 0x3e, 0x1f, 0x90,
- 0x07, 0x48, 0x24, 0x71, 0x05, 0xf2, 0x22, 0x41, 0x0f, 0x08, 0x03, 0xd2,
- 0x11, 0xe0, 0x83, 0xc0, 0x80, 0x88, 0x41, 0x04, 0x1f, 0xc8, 0x50, 0x00,
- 0x01, 0xd5, 0x87, 0x0d, 0x1c, 0x43, 0x48, 0x92, 0x45, 0x24, 0x91, 0x1c,
- 0x58, 0x69, 0x0c, 0x66, 0x84, 0x11, 0x21, 0x10, 0xf2, 0x22, 0x00, 0x00,
- 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x20, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
- 0x03, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x00, 0x00, 0x40, 0x08, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x10, 0x02, 0x22, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x09, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x08, 0x10, 0x1f, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x04, 0x40, 0x02,
- 0x00, 0x00, 0x00, 0x00, 0x40, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20,
- 0x02, 0x22, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x30, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x80, 0x04, 0x00, 0x00, 0x00, 0x00,
- 0x40, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0xac, 0x00, 0x00
-};
-
-static Color palette[] =
-{
- { 0xff, 0xff, 0xff, 0x00 },
- { 0x00, 0x00, 0x00, 0xff },
- { 0xff, 0xff, 0xc0, 0xff },
- { 0x9f, 0x9f, 0x60, 0xff },
- { 0x90, 0x00, 0x00, 0xff },
- { 0x00, 0x90, 0x00, 0xff },
- { 0x00, 0x00, 0x90, 0xff },
- { 0xc0, 0xc0, 0xc0, 0xff }
-};
-
-// for alpha we use x^(1/1.3)
-static Color palette2[] =
-{
- { 0x00, 0x00, 0x00, 0x00 },
- { 0x00, 0x00, 0x00, 0x2e },
- { 0x00, 0x00, 0x00, 0x48 },
- { 0x00, 0x00, 0x00, 0x5d },
- { 0x00, 0x00, 0x00, 0x6f },
- { 0x00, 0x00, 0x00, 0x80 },
- { 0x00, 0x00, 0x00, 0x8f },
- { 0x00, 0x00, 0x00, 0x9e },
- { 0x00, 0x00, 0x00, 0xac },
- { 0x00, 0x00, 0x00, 0xb9 },
- { 0x00, 0x00, 0x00, 0xc5 },
- { 0x00, 0x00, 0x00, 0xd2 },
- { 0x00, 0x00, 0x00, 0xdd },
- { 0x00, 0x00, 0x00, 0xe9 },
- { 0x00, 0x00, 0x00, 0xf4 },
- { 0x00, 0x00, 0x00, 0xff }
-};
-
-static Color palette3[] =
-{
- { 0xff, 0xff, 0xff, 0xff },
- { 0xe0, 0xe0, 0xe0, 0xff },
- { 0xd0, 0xd0, 0xd0, 0xff },
- { 0xc0, 0xc0, 0xc0, 0xff },
- { 0xb0, 0xb0, 0xb0, 0xff },
- { 0xa0, 0xa0, 0xa0, 0xff },
- { 0x90, 0x90, 0x90, 0xff },
- { 0x80, 0x80, 0x80, 0xff },
- { 0x70, 0x70, 0x70, 0xff },
- { 0x60, 0x60, 0x60, 0xff },
- { 0x50, 0x50, 0x50, 0xff },
- { 0x40, 0x40, 0x40, 0xff },
- { 0x30, 0x30, 0x30, 0xff },
- { 0x20, 0x20, 0x20, 0xff },
- { 0x10, 0x10, 0x10, 0xff },
- { 0x00, 0x00, 0x00, 0xff }
-};
-
-
-Image::Image(int w,int h)
-{
- static int hue = Config_getInt("HTML_COLORSTYLE_HUE");
- static int sat = Config_getInt("HTML_COLORSTYLE_SAT");
- static int gamma = Config_getInt("HTML_COLORSTYLE_GAMMA");
-
- double red1,green1,blue1;
- double red2,green2,blue2;
-
- ColoredImage::hsl2rgb(hue/360.0, // hue
- sat/255.0, // saturation
- pow(235/255.0,gamma/100.0), // luma (gamma corrected)
- &red1,&green1,&blue1
- );
-
- ColoredImage::hsl2rgb(hue/360.0, // hue
- sat/255.0, // saturation
- pow(138/255.0,gamma/100.0), // luma (gamma corrected)
- &red2,&green2,&blue2
- );
-
- palette[2].red = (int)(red1 * 255.0);
- palette[2].green = (int)(green1 * 255.0);
- palette[2].blue = (int)(blue1 * 255.0);
-
- palette[3].red = (int)(red2 * 255.0);
- palette[3].green = (int)(green2 * 255.0);
- palette[3].blue = (int)(blue2 * 255.0);
-
- data = new uchar[w*h];
- memset(data,0,w*h);
- width = w;
- height = h;
-}
-
-Image::~Image()
-{
- delete[] data;
-}
-
-void Image::setPixel(int x,int y,uchar val)
-{
- if (x>=0 && x<width && y>=0 && y<height)
- data[y*width+x] = val;
-}
-
-uchar Image::getPixel(int x,int y) const
-{
- if (x>=0 && x<width && y>=0 && y<height)
- return data[y*width+x];
- else
- return 0;
-}
-
-void Image::writeChar(int x,int y,char c,uchar fg)
-{
- if (c>=' ')
- {
- int xf,yf,ci=c-' ';
- int rowOffset=0;
- int cw = charWidth[ci];
- int cp = charPos[ci];
- for (yf=0;yf<charHeight;yf++)
- {
- unsigned short bitPattern=0;
- int bitsLeft=cw;
- int byteOffset = rowOffset+(cp>>3);
- int bitOffset = cp&7;
- // get the bit pattern for row yf of the character from the font data
- while (bitsLeft>0)
- {
- int bits=8-bitOffset;
- if (bits>bitsLeft) bits=bitsLeft;
- bitPattern<<=bits;
- bitPattern|=((fontRaw[byteOffset]<<bitOffset)&0xff)>>(8-bits);
- bitsLeft-=bits;
- bitOffset=0;
- byteOffset++;
- }
- int mask=1<<(cw-1);
- // draw character row yf
- for (xf=0;xf<cw;xf++)
- {
- setPixel(x+xf,y+yf,(bitPattern&mask) ? fg : getPixel(x+xf,y+yf));
- mask>>=1;
- }
- rowOffset+=charSetWidth;
- }
- }
-}
-
-void Image::writeString(int x,int y,const char *s,uchar fg)
-{
- if (s)
- {
- char c;
- while ((c=*s++))
- {
- writeChar(x,y,c,fg);
- x+=charWidth[c-' '];
- }
- }
-}
-
-uint Image::stringLength(const char *s)
-{
- int w=0;
- if (s)
- {
- char c;
- while ((c=*s++)) w+=charWidth[c-' '];
- }
- return w;
-}
-
-void Image::drawHorzLine(int y,int xs,int xe,uchar colIndex,uint mask)
-{
- int x,i=0,j=0;
- for (x=xs;x<=xe;x++,j++)
- {
- if (j&1) i++;
- if (mask&(1<<(i&0x1f))) setPixel(x,y,colIndex);
- }
-}
-
-void Image::drawHorzArrow(int y,int xs,int xe,uchar colIndex,uint mask)
-{
- drawHorzLine(y,xs,xe,colIndex,mask);
- int i;
- for (i=0;i<6;i++)
- {
- int h=i>>1;
- drawVertLine(xe-i,y-h,y+h,colIndex,0xffffffff);
- }
-}
-
-void Image::drawVertLine(int x,int ys,int ye,uchar colIndex,uint mask)
-{
- int y,i=0;
- for (y=ys;y<=ye;y++,i++)
- {
- if (mask&(1<<(i&0x1f))) setPixel(x,y,colIndex);
- }
-}
-
-void Image::drawVertArrow(int x,int ys,int ye,uchar colIndex,uint mask)
-{
- drawVertLine(x,ys,ye,colIndex,mask);
- int i;
- for (i=0;i<6;i++)
- {
- int h=i>>1;
- drawHorzLine(ys+i,x-h,x+h,colIndex,0xffffffff);
- }
-}
-
-void Image::drawRect(int x,int y,int w,int h,uchar colIndex,uint mask)
-{
- drawHorzLine(y,x,x+w-1,colIndex,mask);
- drawHorzLine(y+h-1,x,x+w-1,colIndex,mask);
- drawVertLine(x,y,y+h-1,colIndex,mask);
- drawVertLine(x+w-1,y,y+h-1,colIndex,mask);
-}
-
-void Image::fillRect(int x,int y,int lwidth,int lheight,uchar colIndex,uint mask)
-{
- int xp,yp,xi,yi;
- for (yp=y,yi=0;yp<y+lheight;yp++,yi++)
- for (xp=x,xi=0;xp<x+lwidth;xp++,xi++)
- if (mask&(1<<((xi+yi)&0x1f)))
- setPixel(xp,yp,colIndex);
-}
-
-bool Image::save(const char *fileName,int mode)
-{
-#if 0
- GifEncoder gifenc(data,
- mode==0 ? palette : palette2,
- width,height,
- mode==0 ? 3 : 4,
- 0);
- QFile file(fileName);
- if (file.open(IO_WriteOnly))
- {
- gifenc.writeGIF(file);
- return TRUE;
- }
- else
- {
- return FALSE;
- }
-#endif
- static bool useTransparency = Config_getBool("FORMULA_TRANSPARENT");
- uchar* buffer;
- size_t bufferSize;
- LodePNG_Encoder encoder;
- LodePNG_Encoder_init(&encoder);
- int numCols = mode==0 ? 8 : 16;
- Color *pPal = mode==0 ? palette :
- useTransparency ? palette2 :
- palette3 ;
- int i;
- for (i=0;i<numCols;i++,pPal++)
- {
- LodePNG_InfoColor_addPalette(&encoder.infoPng.color,
- pPal->red,pPal->green,pPal->blue,pPal->alpha);
- }
- encoder.infoPng.color.colorType = 3;
- encoder.infoRaw.color.colorType = 3;
- LodePNG_encode(&encoder, &buffer, &bufferSize, data, width, height);
- LodePNG_saveFile(buffer, bufferSize, fileName);
- free(buffer);
- LodePNG_Encoder_cleanup(&encoder);
- return TRUE;
-}
-
-//----------------------------------------------------------------
-
-void ColoredImage::hsl2rgb(double h,double s,double l,
- double *pRed,double *pGreen,double *pBlue)
-{
- double v;
- double r,g,b;
-
- r = l; // default to gray
- g = l;
- b = l;
- v = (l <= 0.5) ? (l * (1.0 + s)) : (l + s - l * s);
- if (v > 0)
- {
- double m;
- double sv;
- int sextant;
- double fract, vsf, mid1, mid2;
-
- m = l + l - v;
- sv = (v - m ) / v;
- h *= 6.0;
- sextant = (int)h;
- fract = h - sextant;
- vsf = v * sv * fract;
- mid1 = m + vsf;
- mid2 = v - vsf;
- switch (sextant)
- {
- case 0:
- r = v;
- g = mid1;
- b = m;
- break;
- case 1:
- r = mid2;
- g = v;
- b = m;
- break;
- case 2:
- r = m;
- g = v;
- b = mid1;
- break;
- case 3:
- r = m;
- g = mid2;
- b = v;
- break;
- case 4:
- r = mid1;
- g = m;
- b = v;
- break;
- case 5:
- r = v;
- g = m;
- b = mid2;
- break;
- }
- }
- *pRed = r;
- *pGreen = g;
- *pBlue = b;
-}
-
-ColoredImage::ColoredImage(int width,int height,
- const uchar *greyLevels,const uchar *alphaLevels,
- int saturation,int hue,int gamma)
-{
- m_hasAlpha = alphaLevels!=0;
- m_width = width;
- m_height = height;
- m_data = (uchar*)malloc(width*height*4);
- int i;
- for (i=0;i<width*height;i++)
- {
- uchar r,g,b,a;
- double red,green,blue;
- hsl2rgb(hue/360.0, // hue
- saturation/255.0, // saturation
- pow(greyLevels[i]/255.0,gamma/100.0), // luma (gamma corrected)
- &red,&green,&blue);
- r = (int)(red *255.0);
- g = (int)(green*255.0);
- b = (int)(blue *255.0);
- a = alphaLevels ? alphaLevels[i] : 255;
- m_data[i*4+0]=r;
- m_data[i*4+1]=g;
- m_data[i*4+2]=b;
- m_data[i*4+3]=a;
- }
-}
-
-ColoredImage::~ColoredImage()
-{
- free(m_data);
-}
-
-bool ColoredImage::save(const char *fileName)
-{
- uchar *buffer;
- size_t bufferSize;
- LodePNG_Encoder encoder;
- LodePNG_Encoder_init(&encoder);
- encoder.infoPng.color.colorType = m_hasAlpha ? 6 : 2; // 2=RGB 24 bit, 6=RGBA 32 bit
- encoder.infoRaw.color.colorType = 6; // 6=RGBA 32 bit
- LodePNG_encode(&encoder, &buffer, &bufferSize, m_data, m_width, m_height);
- LodePNG_saveFile(buffer, bufferSize, fileName);
- LodePNG_Encoder_cleanup(&encoder);
- free(buffer);
- return TRUE;
-}
-
-
generated by cgit v0.12 at 2024-09-14 10:53:58 (GMT)