Full rewrite of the pie algorithm
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pancake
parent
1c5f42999d
commit
283544dbfd
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@ -283,7 +283,7 @@ R_API void r_print_init_rowoffsets(RPrint *p);
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R_API ut32 r_print_rowoff(RPrint *p, int i);
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R_API void r_print_set_rowoff(RPrint *p, int i, ut32 offset, bool overwrite);
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R_API int r_print_row_at_off(RPrint *p, ut32 offset);
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R_API int r_print_pie(RPrint *p, int nvalues, int *values, const char **text, int size);
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R_API void r_print_pie(RPrint *p, int nvalues, int *values, const char **text, int size);
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R_API void r_print_graphline(RPrint *print, const ut8 *buf, size_t len);
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// WIP
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175
libr/util/pie.c
175
libr/util/pie.c
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@ -4,39 +4,20 @@
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#include <r_util/r_print.h>
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#include <math.h>
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#define PI 3.1415
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#define O out[x + (y * size)]
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#define USE_SINCOS 0
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// TODO: [ ] add colors
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// TODO: [ ] better rounding ascii art
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// TODO: [ ] add support for xy_factor
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#if 1
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#define A(c) out[(x+half) + ((y+half) * (half*2))] = c
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#else
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printf ("%c%c", c, c);
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#endif
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static void drawSectorLine(char *out, int size, int percent, int ch) {
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int i, x, y;
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double foo = 0.02;
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double A = (percent * PI) / 50;
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for (i = (size - 1) / 2; i < (size*2); i++) {
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x = y = (size - 1) / 2;
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x += (int)(cos (A) * foo);
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y += (int)(sin (A) * foo);
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foo += 0.3; // 1.3;
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O = ch; // '.';
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}
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}
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static void fillSectorLine(char *out, int size, int percent, int ch) {
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int i;
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for (i = 0; i < size; i++) {
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drawSectorLine (out, size, percent +i, ch);
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}
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}
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static void drawPieChart(char *out, int size, int numSlices, int sliceSizes[], const char **text) {
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static void drawPieChart(char *out, int diameter, int numSlices, int sliceSizes[], const char **text) {
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int totalDegrees = 0;
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char sliceChars[] = "0123456789"; // {'*', '+', '=', '-', '#', '%', '&', '$'}; // Characters for different slices
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int sliceCharCount = sizeof(sliceChars) / sizeof(sliceChars[0]);
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int RADIUS = size / 2;
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char sliceChars[] = "0123456789";
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int sliceCharCount = sizeof (sliceChars) / sizeof (sliceChars[0]);
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int radius = diameter / 2;
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int x, y, i;
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// Calculate the start and end angle for each slice
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int sliceAngles[11]; // max slices is 10
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sliceAngles[0] = 0; // Starting angle for the first slice
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@ -45,20 +26,19 @@ static void drawPieChart(char *out, int size, int numSlices, int sliceSizes[], c
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sliceAngles[i+1] = totalDegrees;
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// printf ("%d\n", totalDegrees);
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}
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// if (numSlices < 11 && totalDegrees < 360) {
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// Add the remaining slice if the sum of parts don't cover the whole pie
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if (totalDegrees < 360) {
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numSlices++;
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sliceAngles[numSlices] = 360; // - totalDegrees;
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sliceAngles[numSlices] = 360;
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}
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int half = RADIUS;
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#define A out[(x+half) + ((y+half) * (half*2))]
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int half = radius;
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// Draw the pie chart
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for (y = -RADIUS; y <= RADIUS; y++) {
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for (x = -RADIUS; x <= RADIUS; x++) {
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for (y = -radius; y <= radius; y++) {
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for (x = -radius; x <= radius; x++) {
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double distance = sqrt (x * x + y * y);
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// Check if the current point is within the circle
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if (distance < RADIUS) {
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if (distance < radius) {
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double angle = atan2(y, x) * 180 / PI;
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if (angle < 0) {
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angle += 360;
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@ -72,28 +52,32 @@ static void drawPieChart(char *out, int size, int numSlices, int sliceSizes[], c
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}
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if (sliceIndex != -1) {
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const char ch = sliceChars[sliceIndex % sliceCharCount];
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A = ch;
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A (ch);
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// printf ("%c%c", ch, ch);
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} else {
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A = ' ';
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A (' ');
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// printf (" "); // Should not happen, but just in case
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}
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} else {
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A = ' ';
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//printf (" ");
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A (' ');
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// printf (" ");
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}
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}
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// printf ("\n");
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}
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}
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R_API int r_print_pie(R_NULLABLE RPrint *p, int nvalues, int *values, const char **text, int size) {
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R_API void r_print_pie(R_NULLABLE RPrint *p, int nvalues, int *values, const char **text, int size) {
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if (size < 1) {
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R_LOG_WARN ("No one cant eat such smol pie");
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return;
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}
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if (nvalues > 9) {
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R_LOG_WARN ("Cant render more than 10 portions in a pie chart");
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nvalues = 9;
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}
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ut8 *nv = calloc (nvalues, sizeof (ut8));
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char *out = calloc (size, size);
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char *out = calloc (size, size * size);
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drawPieChart (out, size, nvalues, values, text);
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@ -101,11 +85,11 @@ R_API int r_print_pie(R_NULLABLE RPrint *p, int nvalues, int *values, const char
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const char *fg_colors[10] = {
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Color_GREEN,
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Color_RED,
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Color_YELLOW,
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Color_BLUE,
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Color_WHITE,
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Color_MAGENTA,
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Color_CYAN,
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Color_YELLOW,
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Color_WHITE,
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Color_GREEN,
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Color_RED,
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Color_YELLOW,
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@ -113,11 +97,11 @@ R_API int r_print_pie(R_NULLABLE RPrint *p, int nvalues, int *values, const char
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const char *bg_colors[10] = {
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Color_BGGREEN,
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Color_BGRED,
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Color_BGYELLOW,
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Color_BGBLUE,
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Color_BGWHITE,
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Color_BGMAGENTA,
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Color_BGCYAN,
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Color_BGYELLOW,
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Color_BGWHITE,
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Color_BGGREEN,
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Color_BGRED,
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Color_BGYELLOW,
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@ -133,96 +117,37 @@ R_API int r_print_pie(R_NULLABLE RPrint *p, int nvalues, int *values, const char
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}
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}
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int legend_idx = 0;
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if (nv && out) {
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#if 0
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ut64 total = 0;
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for (i = 0; i < nvalues; i++) {
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total += values[i];
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}
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total /= 100;
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if (total < 1) {
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total = 1;
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}
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for (i = 0; i < nvalues; i++) {
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nv[i] = values[i] / total;
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}
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for (x = 0; x < size; x++) {
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for (y = 0; y < size; y++) {
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O = ' ';
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}
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}
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#if USE_SINCOS
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float a = 0.0;
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int s = size / 2;
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while (a < 2 * PI) {
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x = s * cos (a) + (size / 2);
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y = s * sin (a) + (size / 2);
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O = '.';
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a += 0.1;
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}
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#else
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int radius = (size - 1) / 2;
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// draw portions
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for (x = 0; x <= 2 * radius; x++) {
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for (y = 0; y <= 2 * radius; y++) {
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double distance = sqrt ((double)(x - radius) * (x - radius) + (y - radius) * (y - radius));
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O = (distance > radius - 0.5 && distance < radius + 0.5) ? '*' : ' ';
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}
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}
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#endif
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int amount = 0;
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for (i = 0; i < nvalues; i++) {
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fillSectorLine (out, size, nv[i] + amount, '0' + i);
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amount += nv[i];
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}
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#if 0
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for (i = 1; i < nvalues; i++) {
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drawSectorLine (out, size, nv[i] + amount, ',');
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amount += nv[i];
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}
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#endif
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#endif
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/// render
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if (p && p->cb_printf) {
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for (y = 0; y < size; y++) {
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for (x = 0; x < size; x++) {
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if (use_colors && isdigit (O)) {
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const int index = O - '0';
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p->cb_printf ("%s··"Color_RESET, fg_colors[index]);
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} else {
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p->cb_printf ("%c%c", O, O);
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}
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if (nv && out && p && p->cb_printf) {
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for (y = 0; y < size; y++) {
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for (x = 0; x < size; x++) {
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const char ch = out[x + (y * size)];
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if (use_colors && isdigit (ch)) {
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const int index = ch - '0';
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p->cb_printf ("%s··"Color_RESET, fg_colors[index]);
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} else {
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p->cb_printf ("%c%c", ch, ch);
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}
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if (y > 0 && legend_idx < nvalues) {
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if (y % 2) {
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if (leg[legend_idx]) {
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if (use_colors) {
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p->cb_printf (" %s "Color_RESET" - %s",
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}
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if (y > 0 && legend_idx < nvalues) {
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if (y % 2) {
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if (leg[legend_idx]) {
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if (use_colors) {
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p->cb_printf (" %s "Color_RESET" - %s",
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bg_colors[legend_idx], leg[legend_idx]);
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} else {
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p->cb_printf (" %c%c - %s",
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} else {
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p->cb_printf (" %c%c - %s",
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'0' + legend_idx,
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'0' + legend_idx,
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leg[legend_idx]);
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}
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}
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legend_idx++;
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}
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legend_idx++;
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}
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p->cb_printf ("\n");
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}
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p->cb_printf ("\n");
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}
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p->cb_printf ("\n");
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}
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free (out);
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free (nv);
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return 0;
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}
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#if 0
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main() {
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ut64 v[] = { 10, 20, 30, 40 };
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r_print_pie (NULL, &v, 4, 20);
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}
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#endif
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