summaryrefslogtreecommitdiff
path: root/src/Fl_Pixmap.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'src/Fl_Pixmap.cxx')
-rw-r--r--src/Fl_Pixmap.cxx136
1 files changed, 65 insertions, 71 deletions
diff --git a/src/Fl_Pixmap.cxx b/src/Fl_Pixmap.cxx
index cd8479157..61bfcb962 100644
--- a/src/Fl_Pixmap.cxx
+++ b/src/Fl_Pixmap.cxx
@@ -1,6 +1,4 @@
//
-// "$Id$"
-//
// Pixmap drawing code for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2018 by Bill Spitzak and others.
@@ -9,11 +7,11 @@
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
-// http://www.fltk.org/COPYING.php
+// https://www.fltk.org/COPYING.php
//
-// Please report all bugs and problems on the following page:
+// Please see the following page on how to report bugs and issues:
//
-// http://www.fltk.org/str.php
+// https://www.fltk.org/bugs.php
//
// Draws X pixmap data, keeping it stashed in a server pixmap so it
@@ -81,12 +79,12 @@ void Fl_Pixmap::label(Fl_Menu_Item* m) {
void Fl_Pixmap::copy_data() {
if (alloc_data) return;
- char **new_data, // New data array
- **new_row; // Current row in image
- int i, // Looping var
- ncolors, // Number of colors in image
- chars_per_pixel,// Characters per color
- chars_per_line; // Characters per line
+ char **new_data, // New data array
+ **new_row; // Current row in image
+ int i, // Looping var
+ ncolors, // Number of colors in image
+ chars_per_pixel,// Characters per color
+ chars_per_line; // Characters per line
// Figure out how many colors there are, and how big they are...
sscanf(data()[0],"%*d%*d%d%d", &ncolors, &chars_per_pixel);
@@ -128,7 +126,7 @@ void Fl_Pixmap::copy_data() {
}
Fl_Image *Fl_Pixmap::copy(int W, int H) {
- Fl_Pixmap *new_image; // New pixmap
+ Fl_Pixmap *new_image; // New pixmap
if (!data()) { // happens with bad pixmap data
return new Fl_Pixmap((char *const*)0);
}
@@ -142,21 +140,21 @@ Fl_Image *Fl_Pixmap::copy(int W, int H) {
if (W <= 0 || H <= 0) return 0;
// OK, need to resize the image data; allocate memory and
- char **new_data, // New array for image data
- **new_row, // Pointer to row in image data
- *new_ptr, // Pointer into new array
- new_info[255]; // New information line
- const char *old_ptr; // Pointer into old array
- int i, // Looping var
- c, // Channel number
- sy, // Source coordinate
- dx, dy, // Destination coordinates
- xerr, yerr, // X & Y errors
- xmod, ymod, // X & Y moduli
- xstep, ystep; // X & Y step increments
- int ncolors, // Number of colors in image
- chars_per_pixel,// Characters per color
- chars_per_line; // Characters per line
+ char **new_data, // New array for image data
+ **new_row, // Pointer to row in image data
+ *new_ptr, // Pointer into new array
+ new_info[255]; // New information line
+ const char *old_ptr; // Pointer into old array
+ int i, // Looping var
+ c, // Channel number
+ sy, // Source coordinate
+ dx, dy, // Destination coordinates
+ xerr, yerr, // X & Y errors
+ xmod, ymod, // X & Y moduli
+ xstep, ystep; // X & Y step increments
+ int ncolors, // Number of colors in image
+ chars_per_pixel,// Characters per color
+ chars_per_line; // Characters per line
// Figure out how many colors there are, and how big they are...
sscanf(data()[0],"%*d%*d%d%d", &ncolors, &chars_per_pixel);
@@ -199,16 +197,16 @@ Fl_Image *Fl_Pixmap::copy(int W, int H) {
new_ptr = *new_row;
for (dx = W, xerr = W, old_ptr = data()[sy + ncolors + 1];
- dx > 0;
- dx --) {
+ dx > 0;
+ dx --) {
for (c = 0; c < chars_per_pixel; c ++) *new_ptr++ = old_ptr[c];
old_ptr += xstep;
xerr -= xmod;
if (xerr <= 0) {
- xerr += W;
- old_ptr += chars_per_pixel;
+ xerr += W;
+ old_ptr += chars_per_pixel;
}
}
@@ -235,8 +233,8 @@ void Fl_Pixmap::color_average(Fl_Color c, float i) {
copy_data();
// Get the color to blend with...
- uchar r, g, b;
- unsigned ia, ir, ig, ib;
+ uchar r, g, b;
+ unsigned ia, ir, ig, ib;
Fl::get_color(c, r, g, b);
if (i < 0.0f) i = 0.0f;
@@ -248,10 +246,10 @@ void Fl_Pixmap::color_average(Fl_Color c, float i) {
ib = b * (256 - ia);
// Update the colormap to do the blend...
- char line[255]; // New colormap line
- int color, // Looping var
- ncolors, // Number of colors in image
- chars_per_pixel;// Characters per color
+ char line[255]; // New colormap line
+ int color, // Looping var
+ ncolors, // Number of colors in image
+ chars_per_pixel;// Characters per color
sscanf(data()[0],"%*d%*d%d%d", &ncolors, &chars_per_pixel);
@@ -272,14 +270,14 @@ void Fl_Pixmap::color_average(Fl_Color c, float i) {
const char *p = data()[color + 1] + chars_per_pixel + 1;
const char *previous_word = p;
for (;;) {
- while (*p && isspace(*p)) p++;
- char what = *p++;
- while (*p && !isspace(*p)) p++;
- while (*p && isspace(*p)) p++;
- if (!*p) {p = previous_word; break;}
- if (what == 'c') break;
- previous_word = p;
- while (*p && !isspace(*p)) p++;
+ while (*p && isspace(*p)) p++;
+ char what = *p++;
+ while (*p && !isspace(*p)) p++;
+ while (*p && isspace(*p)) p++;
+ if (!*p) {p = previous_word; break;}
+ if (what == 'c') break;
+ previous_word = p;
+ while (*p && !isspace(*p)) p++;
}
if (fl_parse_color(p, r, g, b)) {
@@ -288,13 +286,13 @@ void Fl_Pixmap::color_average(Fl_Color c, float i) {
b = (ia * b + ib) >> 8;
if (chars_per_pixel > 1) sprintf(line, "%c%c c #%02X%02X%02X",
- data()[color + 1][0],
- data()[color + 1][1], r, g, b);
+ data()[color + 1][0],
+ data()[color + 1][1], r, g, b);
else sprintf(line, "%c c #%02X%02X%02X", data()[color + 1][0], r, g, b);
delete[] (char *)data()[color + 1];
- ((char **)data())[color + 1] = new char[strlen(line) + 1];
- strcpy((char *)data()[color + 1], line);
+ ((char **)data())[color + 1] = new char[strlen(line) + 1];
+ strcpy((char *)data()[color + 1], line);
}
}
}
@@ -308,8 +306,8 @@ void Fl_Pixmap::delete_data() {
}
void Fl_Pixmap::set_data(const char * const * p) {
- int height, // Number of lines in image
- ncolors; // Number of colors in image
+ int height, // Number of lines in image
+ ncolors; // Number of colors in image
if (p) {
sscanf(p[0],"%*d%d%d", &height, &ncolors);
@@ -327,11 +325,11 @@ void Fl_Pixmap::desaturate() {
copy_data();
// Update the colormap to grayscale...
- char line[255]; // New colormap line
- int i, // Looping var
- ncolors, // Number of colors in image
- chars_per_pixel;// Characters per color
- uchar r, g, b;
+ char line[255]; // New colormap line
+ int i, // Looping var
+ ncolors, // Number of colors in image
+ chars_per_pixel;// Characters per color
+ uchar r, g, b;
sscanf(data()[0],"%*d%*d%d%d", &ncolors, &chars_per_pixel);
@@ -350,31 +348,27 @@ void Fl_Pixmap::desaturate() {
const char *p = data()[i + 1] + chars_per_pixel + 1;
const char *previous_word = p;
for (;;) {
- while (*p && isspace(*p)) p++;
- char what = *p++;
- while (*p && !isspace(*p)) p++;
- while (*p && isspace(*p)) p++;
- if (!*p) {p = previous_word; break;}
- if (what == 'c') break;
- previous_word = p;
- while (*p && !isspace(*p)) p++;
+ while (*p && isspace(*p)) p++;
+ char what = *p++;
+ while (*p && !isspace(*p)) p++;
+ while (*p && isspace(*p)) p++;
+ if (!*p) {p = previous_word; break;}
+ if (what == 'c') break;
+ previous_word = p;
+ while (*p && !isspace(*p)) p++;
}
if (fl_parse_color(p, r, g, b)) {
g = (uchar)((r * 31 + g * 61 + b * 8) / 100);
if (chars_per_pixel > 1) sprintf(line, "%c%c c #%02X%02X%02X", data()[i + 1][0],
- data()[i + 1][1], g, g, g);
+ data()[i + 1][1], g, g, g);
else sprintf(line, "%c c #%02X%02X%02X", data()[i + 1][0], g, g, g);
delete[] (char *)data()[i + 1];
- ((char **)data())[i + 1] = new char[strlen(line) + 1];
- strcpy((char *)data()[i + 1], line);
+ ((char **)data())[i + 1] = new char[strlen(line) + 1];
+ strcpy((char *)data()[i + 1], line);
}
}
}
}
-
-//
-// End of "$Id$".
-//