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mirror of https://github.com/Llewellynvdm/conky.git synced 2024-12-27 04:32:55 +00:00

OMPtimize the gradient stuff.

This commit is contained in:
Brenden Matthews 2009-05-26 03:14:52 -06:00
parent b0f37a63e8
commit d65c33146e
4 changed files with 71 additions and 77 deletions

View File

@ -68,8 +68,8 @@ static void set_up_gradient(void)
greenmask = greenmask << (colour_depth / 3);
}
/* adjust color values depending on color depth */
unsigned int adjust_colors(unsigned int color)
/* adjust colour values depending on colour depth */
unsigned int adjust_colours(unsigned int colour)
{
double r, g, b;
@ -77,26 +77,25 @@ unsigned int adjust_colors(unsigned int color)
set_up_gradient();
}
if (colour_depth == 16) {
r = (color & 0xff0000) >> 16;
g = (color & 0xff00) >> 8;
b = color & 0xff;
color = (int) (r * CONST_8_TO_5_BITS) << 11;
color |= (int) (g * CONST_8_TO_6_BITS) << 5;
color |= (int) (b * CONST_8_TO_5_BITS);
r = (colour & 0xff0000) >> 16;
g = (colour & 0xff00) >> 8;
b = colour & 0xff;
colour = (int) (r * CONST_8_TO_5_BITS) << 11;
colour |= (int) (g * CONST_8_TO_6_BITS) << 5;
colour |= (int) (b * CONST_8_TO_5_BITS);
}
return color;
return colour;
}
/* this function returns the next colour between two colours for a gradient */
unsigned long do_gradient(const unsigned long first_colour,
const unsigned long last_colour)
unsigned long *do_gradient(float diff, int width, unsigned long first_colour, unsigned long last_colour)
{
int tmp_color = 0;
int red1, green1, blue1; // first colour
int red2, green2, blue2; // second colour
int red3 = 0, green3 = 0, blue3 = 0; // difference
int red2, green2, blue2; // last colour
short redshift = (2 * colour_depth / 3 + colour_depth % 3);
short greenshift = (colour_depth / 3);
unsigned long *colours = malloc(width * sizeof(unsigned long));
int i;
red1 = (first_colour & redmask) >> redshift;
green1 = (first_colour & greenmask) >> greenshift;
@ -104,47 +103,53 @@ unsigned long do_gradient(const unsigned long first_colour,
red2 = (last_colour & redmask) >> redshift;
green2 = (last_colour & greenmask) >> greenshift;
blue2 = last_colour & bluemask;
if (red1 > red2) {
red3 = -1;
#ifdef HAVE_OPENMP
#pragma omp parallel for
#endif /* HAVE_OPENMP */
for (i = 0; i < width; i++) {
int red3 = 0, green3 = 0, blue3 = 0; // colour components
int factor = round_to_int(diff * ((float)i / width));
if (red1 > red2) {
red3 = -factor;
} else if (red1 < red2) {
red3 = factor;
}
if (green1 > green2) {
green3 = -factor;
} else if (green1 < green2) {
green3 = factor;
}
if (blue1 > blue2) {
blue3 = -factor;
} else if (blue1 < blue2) {
blue3 = factor;
}
red3 += red1;
green3 += green1;
blue3 += blue1;
if (red3 < 0) {
red3 = 0;
}
if (green3 < 0) {
green3 = 0;
}
if (blue3 < 0) {
blue3 = 0;
}
if (red3 > bluemask) {
red3 = bluemask;
}
if (green3 > bluemask) {
green3 = bluemask;
}
if (blue1 > bluemask) {
blue1 = bluemask;
}
colours[i] = (red3 << redshift) | (green3 << greenshift) | blue3;
}
if (red1 < red2) {
red3 = 1;
}
if (green1 > green2) {
green3 = -1;
}
if (green1 < green2) {
green3 = 1;
}
if (blue1 > blue2) {
blue3 = -1;
}
if (blue1 < blue2) {
blue3 = 1;
}
red1 += red3;
green1 += green3;
blue1 += blue3;
if (red1 < 0) {
red1 = 0;
}
if (green1 < 0) {
green1 = 0;
}
if (blue1 < 0) {
blue1 = 0;
}
if (red1 > bluemask) {
red1 = bluemask;
}
if (green1 > bluemask) {
green1 = bluemask;
}
if (blue1 > bluemask) {
blue1 = bluemask;
}
tmp_color = (red1 << redshift) | (green1 << greenshift) | blue1;
return tmp_color;
return colours;
}
/* this function returns the max diff for a gradient */

View File

@ -27,8 +27,8 @@
#ifndef _COLOURS_H
#define _COLOURS_H
unsigned int adjust_colors(unsigned int);
unsigned long do_gradient(unsigned long, unsigned long);
unsigned int adjust_colours(unsigned int);
unsigned long *do_gradient(float, int, unsigned long, unsigned long);
unsigned long gradient_max(unsigned long, unsigned long);
#endif /* _COLOURS_H */

View File

@ -3894,7 +3894,7 @@ static void generate_text_internal(char *p, int p_max_size,
#endif
OBJ(execbar) {
double barnum;
int i;
int i = 0, j = 0;
read_exec(obj->data.s, p, text_buffer_size);
barnum = get_barnum(p);
@ -3914,10 +3914,12 @@ static void generate_text_internal(char *p, int p_max_size,
for(i=0; i<(int)barnum; i++) {
*(p+i)='#';
}
/* gcc seems to think i is not initialized properly :/ */
j = i;
#ifdef HAVE_OPENMP
#pragma omp parallel for
#endif /* HAVE_OPENMP */
for(i=i /* cheats */; i < obj->a; i++) {
for(i = j/* cheats */; i < obj->a; i++) {
*(p+i)='_';
}
*(p+i)=0;
@ -6061,7 +6063,7 @@ static void draw_line(char *s)
case GRAPH:
{
int h, by, i, j = 0;
int h, by, i = 0, j = 0;
int colour_idx = 0;
unsigned long last_colour = current_color;
unsigned long *tmpcolour = 0;
@ -6093,23 +6095,10 @@ static void draw_line(char *s)
if (specials[special_index].last_colour != 0
|| specials[special_index].first_colour != 0) {
float gradient_factor, gradient_update = 0;
int gradient_size =
gradient_max(specials[special_index].last_colour,
specials[special_index].first_colour);
gradient_factor = (float) gradient_size / (w - 1);
tmpcolour = malloc((w - 1) * sizeof(unsigned long));
tmpcolour[0] = specials[special_index].last_colour;
gradient_update += gradient_factor;
for (colour_idx = 1; colour_idx < w - 1; colour_idx++) {
tmpcolour[colour_idx] = tmpcolour[colour_idx - 1];
gradient_update += gradient_factor;
while (gradient_update > 0) {
tmpcolour[colour_idx] = do_gradient(tmpcolour[colour_idx],
specials[special_index].first_colour);
gradient_update--;
}
}
tmpcolour = do_gradient(gradient_size, w - 1, specials[special_index].first_colour, specials[special_index].last_colour);
}
colour_idx = 0;
for (i = w - 2; i > -1; i--) {
@ -6146,8 +6135,8 @@ static void draw_line(char *s)
/* this is mugfugly, but it works */
XDrawLine(display, window.drawable, window.gc,
cur_x + i + 1, by + h, cur_x + i + 1,
by + h - specials[special_index].graph[j] *
(h - 1) / specials[special_index].graph_scale);
round_to_int((double)by + h - specials[special_index].graph[j] *
(h - 1) / specials[special_index].graph_scale));
if ((w - i) / ((float) (w - 2) /
(specials[special_index].graph_width)) > j
&& j < MAX_GRAPH_DEPTH - 3) {

View File

@ -317,8 +317,8 @@ void new_graph(char *buf, int w, int h, unsigned int first_colour,
s->graph_scale = 100;
}
s->height = h;
s->first_colour = adjust_colors(first_colour);
s->last_colour = adjust_colors(second_colour);
s->first_colour = adjust_colours(first_colour);
s->last_colour = adjust_colours(second_colour);
if (scale != 0) {
s->scaled = 0;
s->graph_scale = scale;