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-rw-r--r--kdeprint/cups/image.cpp295
1 files changed, 0 insertions, 295 deletions
diff --git a/kdeprint/cups/image.cpp b/kdeprint/cups/image.cpp
deleted file mode 100644
index ce56bb4b9..000000000
--- a/kdeprint/cups/image.cpp
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
- * This file is part of the KDE libraries
- * Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License version 2 as published by the Free Software Foundation.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- **/
-
-#include <tqimage.h>
-#include <math.h>
-
-void
-mult(float a[3][3], /* I - First matrix */
- float b[3][3], /* I - Second matrix */
- float c[3][3]) /* I - Destination matrix */
-{
- int x, y; /* Looping vars */
- float temp[3][3]; /* Temporary matrix */
-
-
- /*
- * Multiply a and b, putting the result in temp...
- */
-
- for (y = 0; y < 3; y ++)
- for (x = 0; x < 3; x ++)
- temp[y][x] = b[y][0] * a[0][x] +
- b[y][1] * a[1][x] +
- b[y][2] * a[2][x];
-
- /*
- * Copy temp to c (that way c can be a pointer to a or b).
- */
-
- memcpy(c, temp, sizeof(temp));
-}
-
-void
-saturate(float mat[3][3], /* I - Matrix to append to */
- float sat) /* I - Desired color saturation */
-{
- float smat[3][3]; /* Saturation matrix */
-
-
- smat[0][0] = (1.0 - sat) * 0.3086 + sat;
- smat[0][1] = (1.0 - sat) * 0.3086;
- smat[0][2] = (1.0 - sat) * 0.3086;
- smat[1][0] = (1.0 - sat) * 0.6094;
- smat[1][1] = (1.0 - sat) * 0.6094 + sat;
- smat[1][2] = (1.0 - sat) * 0.6094;
- smat[2][0] = (1.0 - sat) * 0.0820;
- smat[2][1] = (1.0 - sat) * 0.0820;
- smat[2][2] = (1.0 - sat) * 0.0820 + sat;
-
- mult(smat, mat, mat);
-}
-
-void
-xform(float mat[3][3], /* I - Matrix */
- float x, /* I - Input X coordinate */
- float y, /* I - Input Y coordinate */
- float z, /* I - Input Z coordinate */
- float *tx, /* O - Output X coordinate */
- float *ty, /* O - Output Y coordinate */
- float *tz) /* O - Output Z coordinate */
-{
- *tx = x * mat[0][0] + y * mat[1][0] + z * mat[2][0];
- *ty = x * mat[0][1] + y * mat[1][1] + z * mat[2][1];
- *tz = x * mat[0][2] + y * mat[1][2] + z * mat[2][2];
-}
-
-void
-xrotate(float mat[3][3], /* I - Matrix */
- float rs, /* I - Rotation angle sine */
- float rc) /* I - Rotation angle cosine */
-{
- float rmat[3][3]; /* I - Rotation matrix */
-
-
- rmat[0][0] = 1.0;
- rmat[0][1] = 0.0;
- rmat[0][2] = 0.0;
-
- rmat[1][0] = 0.0;
- rmat[1][1] = rc;
- rmat[1][2] = rs;
-
- rmat[2][0] = 0.0;
- rmat[2][1] = -rs;
- rmat[2][2] = rc;
-
- mult(rmat, mat, mat);
-}
-
-void
-yrotate(float mat[3][3], /* I - Matrix */
- float rs, /* I - Rotation angle sine */
- float rc) /* I - Rotation angle cosine */
-{
- float rmat[3][3]; /* I - Rotation matrix */
-
-
- rmat[0][0] = rc;
- rmat[0][1] = 0.0;
- rmat[0][2] = -rs;
-
- rmat[1][0] = 0.0;
- rmat[1][1] = 1.0;
- rmat[1][2] = 0.0;
-
- rmat[2][0] = rs;
- rmat[2][1] = 0.0;
- rmat[2][2] = rc;
-
- mult(rmat,mat,mat);
-}
-
-void
-zrotate(float mat[3][3], /* I - Matrix */
- float rs, /* I - Rotation angle sine */
- float rc) /* I - Rotation angle cosine */
-{
- float rmat[3][3]; /* I - Rotation matrix */
-
-
- rmat[0][0] = rc;
- rmat[0][1] = rs;
- rmat[0][2] = 0.0;
-
- rmat[1][0] = -rs;
- rmat[1][1] = rc;
- rmat[1][2] = 0.0;
-
- rmat[2][0] = 0.0;
- rmat[2][1] = 0.0;
- rmat[2][2] = 1.0;
-
- mult(rmat,mat,mat);
-}
-
-void
-zshear(float mat[3][3], /* I - Matrix */
- float dx, /* I - X shear */
- float dy) /* I - Y shear */
-{
- float smat[3][3]; /* Shear matrix */
-
-
- smat[0][0] = 1.0;
- smat[0][1] = 0.0;
- smat[0][2] = dx;
-
- smat[1][0] = 0.0;
- smat[1][1] = 1.0;
- smat[1][2] = dy;
-
- smat[2][0] = 0.0;
- smat[2][1] = 0.0;
- smat[2][2] = 1.0;
-
- mult(smat, mat, mat);
-}
-
-void
-huerotate(float mat[3][3], /* I - Matrix to append to */
- float rot) /* I - Hue rotation in degrees */
-{
- float hmat[3][3] = {{1.0,0.0,0.0},{0.0,1.0,0.0},{0.0,0.0,1.0}}; /* Hue matrix */
- float lx, ly, lz; /* Luminance vector */
- float xrs, xrc; /* X rotation sine/cosine */
- float yrs, yrc; /* Y rotation sine/cosine */
- float zrs, zrc; /* Z rotation sine/cosine */
- float zsx, zsy; /* Z shear x/y */
-
-
- /*
- * Rotate the gray vector into positive Z...
- */
-
- xrs = M_SQRT1_2;
- xrc = M_SQRT1_2;
- xrotate(hmat,xrs,xrc);
-
- yrs = -1.0 / sqrt(3.0);
- yrc = -M_SQRT2 * yrs;
- yrotate(hmat,yrs,yrc);
-
- /*
- * Shear the space to make the luminance plane horizontal...
- */
-
- xform(hmat, 0.3086, 0.6094, 0.0820, &lx, &ly, &lz);
- zsx = lx / lz;
- zsy = ly / lz;
- zshear(hmat, zsx, zsy);
-
- /*
- * Rotate the hue...
- */
-
- zrs = sin(rot * M_PI / 180.0);
- zrc = cos(rot * M_PI / 180.0);
-
- zrotate(hmat, zrs, zrc);
-
- /*
- * Unshear the space to put the luminance plane back...
- */
-
- zshear(hmat, -zsx, -zsy);
-
- /*
- * Rotate the gray vector back into place...
- */
-
- yrotate(hmat, -yrs, yrc);
- xrotate(hmat, -xrs, xrc);
-
- /*
- * Append it to the current matrix...
- */
-
- mult(hmat, mat, mat);
-}
-
-void
-bright(float mat[3][3],
- float scale)
-{
- for (int i=0;i<3;i++)
- for (int j=0;j<3;j++)
- mat[i][j] *= scale;
-}
-
-//----------------------------------------------------------------------------------------------------
-
-TQImage convertImage(const TQImage& image, int hue, int saturation, int brightness, int gamma)
-{
- float mat[3][3] = {{1.0,0.0,0.0},{0.0,1.0,0.0},{0.0,0.0,1.0}};
- int lut[3][3][256];
- QRgb c;
- int r,g,b,v,r2,g2,b2;
- float gam = 1.0/(float(gamma)/1000.0);
- QImage img(image);
-
- saturate(mat,saturation*0.01);
- huerotate(mat,(float)hue);
- bright(mat,brightness*0.01);
- for (int i = 0; i < 3; i ++)
- for (int j = 0; j < 3; j ++)
- for (int k = 0; k < 256; k ++)
- lut[i][j][k] = (int)(mat[i][j] * k + 0.5);
-
- img.detach();
- for (int i=0;i<image.width();i++)
- for (int j=0;j<image.height();j++)
- {
- c = image.pixel(i,j);
- r = tqRed(c);
- g = tqGreen(c);
- b = tqBlue(c);
-
- v = lut[0][0][r] + lut[1][0][g] + lut[2][0][b];
- if (gamma != 1000) v = (int)rint(pow(v,gam));
- if (v < 0) r2 = 0;
- else if (v > 255) r2 = 255;
- else r2 = v;
-
- v = lut[0][1][r] + lut[1][1][g] + lut[2][1][b];
- if (gamma != 1000) v = (int)rint(pow(v,gam));
- if (v < 0) g2 = 0;
- else if (v > 255) g2 = 255;
- else g2 = v;
-
- v = lut[0][2][r] + lut[1][2][g] + lut[2][2][b];
- if (gamma != 1000) v = (int)rint(pow(v,gam));
- if (v < 0) b2 = 0;
- else if (v > 255) b2 = 255;
- else b2 = v;
-
- img.setPixel(i,j,tqRgb(r2,g2,b2));
- }
- return img;
-}
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