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492 lines
12 KiB
C
492 lines
12 KiB
C
/* radare - LGPL - Copyright 2013-2021 - pancake */
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#include <r_cons.h>
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#define W(y) r_cons_canvas_write(c,y)
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#define G(x,y) r_cons_canvas_gotoxy(c,x,y)
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#define useUtf8 (r_cons_singleton ()->use_utf8)
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#define useUtf8Curvy (r_cons_singleton ()->use_utf8_curvy)
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#define DOTTED_LINE_HORIZ "┄"
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#define DOTTED_LINE_VERT "┊"
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#define DASHED_LINE_VERT "╵"
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#define DASHED_LINE_HORIZ "╴"
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enum {
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APEX_DOT = 0,
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DOT_APEX,
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REV_APEX_APEX,
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DOT_DOT,
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NRM_DOT,
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NRM_APEX,
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DOT_NRM,
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REV_APEX_NRM,
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NRM_NRM
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};
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static const char* utf8_line_vert(int dot_style) {
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if (r_cons_singleton ()->dotted_lines) {
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switch (dot_style) {
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case DOT_STYLE_NORMAL: return RUNECODESTR_LINE_VERT;
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case DOT_STYLE_CONDITIONAL: return DOTTED_LINE_VERT;
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case DOT_STYLE_BACKEDGE: return DASHED_LINE_VERT;
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}
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}
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return RUNECODESTR_LINE_VERT;
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}
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static const char* utf8_line_horiz(int dot_style) {
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if (r_cons_singleton ()->dotted_lines) {
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switch (dot_style) {
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case DOT_STYLE_NORMAL: return RUNECODESTR_LINE_HORIZ;
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case DOT_STYLE_CONDITIONAL: return DOTTED_LINE_HORIZ;
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case DOT_STYLE_BACKEDGE: return DASHED_LINE_HORIZ;
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}
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}
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return RUNECODESTR_LINE_HORIZ;
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}
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static void apply_line_style(RConsCanvas *c, int x, int y, int x2, int y2,
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RCanvasLineStyle *style, int isvert) {
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RCons *cons = r_cons_singleton ();
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switch (style->color) {
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case LINE_UNCJMP:
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c->attr = cons->context->pal.graph_trufae;
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break;
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case LINE_TRUE:
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c->attr = cons->context->pal.graph_true;
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break;
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case LINE_FALSE:
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c->attr = cons->context->pal.graph_false;
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break;
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case LINE_NONE:
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default:
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c->attr = cons->context->pal.graph_trufae;
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break;
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}
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if (!c->color) {
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c->attr = Color_RESET;
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}
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if (style->ansicolor) {
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c->attr = style->ansicolor;
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}
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switch (style->symbol) {
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case LINE_UNCJMP:
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if (G (x, y)) {
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if (isvert) {
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W ("v");
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} else {
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W (">");
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}
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}
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break;
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case LINE_TRUE:
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if (G (x, y)) {
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W ("t"); //\\");
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}
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break;
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case LINE_FALSE:
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if (G (x, y)) {
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W ("f");
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}
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break;
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case LINE_NOSYM_VERT:
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if (G (x, y)) {
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W (useUtf8 ? utf8_line_vert (style->dot_style) : "|");
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}
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break;
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case LINE_NOSYM_HORIZ:
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if (G (x, y)) {
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W (useUtf8 ? utf8_line_horiz (style->dot_style) : "-");
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}
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break;
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case LINE_NONE:
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default:
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break;
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}
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}
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static void draw_horizontal_line(RConsCanvas *c, int x, int y, int width, int style, int dot_style) {
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const char *l_corner = "?", *r_corner = "?";
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int i;
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if (width < 1) {
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return;
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}
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/* do not render offscreen horizontal lines */
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if (y + c->sy < 0) {
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return;
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}
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if (y + c->sy > c->h) {
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return;
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}
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switch (style) {
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case APEX_DOT:
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if (useUtf8) {
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if (useUtf8Curvy) {
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l_corner = RUNECODESTR_CURVE_CORNER_BL;
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r_corner = RUNECODESTR_CURVE_CORNER_TR;
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} else {
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l_corner = RUNECODESTR_CORNER_BL;
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r_corner = RUNECODESTR_CORNER_TR;
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}
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} else {
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l_corner = "'";
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r_corner = ".";
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}
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break;
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case DOT_APEX:
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if (useUtf8) {
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if (useUtf8Curvy) {
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l_corner = RUNECODESTR_CURVE_CORNER_TL;
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r_corner = RUNECODESTR_CURVE_CORNER_BR;
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} else {
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l_corner = RUNECODESTR_CORNER_TL;
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r_corner = RUNECODESTR_CORNER_BR;
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}
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} else {
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l_corner = ".";
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r_corner = "'";
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}
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break;
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case REV_APEX_APEX:
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if (useUtf8) {
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if (useUtf8Curvy) {
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l_corner = RUNECODESTR_CURVE_CORNER_BL;
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r_corner = RUNECODESTR_CURVE_CORNER_BR;
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} else {
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l_corner = RUNECODESTR_CORNER_BL;
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r_corner = RUNECODESTR_CORNER_BR;
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}
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} else {
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l_corner = "`";
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r_corner = "'";
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}
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break;
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case DOT_DOT:
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if (useUtf8) {
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if (useUtf8Curvy) {
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l_corner = RUNECODESTR_CURVE_CORNER_TL;
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r_corner = RUNECODESTR_CURVE_CORNER_TR;
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} else {
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l_corner = RUNECODESTR_CORNER_TL;
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r_corner = RUNECODESTR_CORNER_TR;
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}
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} else {
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l_corner = r_corner = ".";
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}
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break;
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case NRM_DOT:
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if (useUtf8) {
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l_corner = utf8_line_horiz (dot_style);
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if (useUtf8Curvy) {
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r_corner = RUNECODESTR_CURVE_CORNER_TR;
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} else {
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r_corner = RUNECODESTR_CORNER_TR;
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}
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} else {
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l_corner = "-";
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r_corner = ".";
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}
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break;
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case NRM_APEX:
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if (useUtf8) {
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l_corner = utf8_line_horiz (dot_style);
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if (useUtf8Curvy) {
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r_corner = RUNECODESTR_CURVE_CORNER_BR;
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} else {
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r_corner = RUNECODESTR_CORNER_BR;
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}
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} else {
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l_corner = "-";
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r_corner = "'";
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}
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break;
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case DOT_NRM:
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if (useUtf8) {
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if (useUtf8Curvy) {
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l_corner = RUNECODESTR_CURVE_CORNER_TL;
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} else {
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l_corner = RUNECODESTR_CORNER_TL;
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}
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r_corner = utf8_line_horiz (dot_style);
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} else {
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l_corner = ".";
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r_corner = "-";
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}
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break;
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case REV_APEX_NRM:
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if (useUtf8) {
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if (useUtf8Curvy) {
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l_corner = RUNECODESTR_CURVE_CORNER_BL;
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} else {
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l_corner = RUNECODESTR_CORNER_BL;
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}
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r_corner = utf8_line_horiz (dot_style);
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} else {
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l_corner = "`";
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r_corner = "-";
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}
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break;
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case NRM_NRM:
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default:
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if (useUtf8) {
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l_corner = r_corner = utf8_line_horiz (dot_style);
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} else {
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l_corner = r_corner = "-";
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}
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break;
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}
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if (G (x, y)) {
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W (l_corner);
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}
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const char *hline = useUtf8 ? utf8_line_horiz (dot_style) : "-";
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r_cons_break_push (NULL, NULL);
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for (i = x + 1; i < x + width - 1; i++) {
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if (r_cons_is_breaked ()) {
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break;
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}
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if (G (i, y)) {
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W (hline);
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}
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}
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r_cons_break_pop ();
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if (G (x + width - 1, y)) {
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W (r_corner);
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}
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}
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static void draw_vertical_line(RConsCanvas *c, int x, int y, int height, int dot_style) {
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int i;
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/* do not render offscreen vertical lines */
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if (x + c->sx < 0) {
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return;
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}
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if (x + c->sx > c->w) {
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return;
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}
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const char *vline = useUtf8 ? utf8_line_vert (dot_style) : "|";
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r_cons_break_push (NULL, NULL);
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for (i = y; i < y + height; i++) {
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if (r_cons_is_breaked ()) {
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break;
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}
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if (G (x, i)) {
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W (vline);
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}
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}
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r_cons_break_pop ();
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}
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R_API void r_cons_canvas_line_diagonal(RConsCanvas *c, int x, int y, int x2, int y2, RCanvasLineStyle *style) {
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if (x == x2 || y == y2) {
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style->dot_style = DOT_STYLE_NORMAL;
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r_cons_canvas_line_square (c, x, y +1, x2, y2, style);
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return;
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}
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apply_line_style (c, x, y, x2, y2, style, 1);
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if (y2 < y) {
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int tmp = y2;
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y2 = y;
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y = tmp;
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tmp = x2;
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x2 = x;
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x = tmp;
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}
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char chizzle[2] = {0}; // = '.';//my nizzle
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// destination
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int dx = abs (x2-x);
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int dy = abs (y2-y);
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// source
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int sx = (x < x2) ? 1 : -1;
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int sy = (y < y2) ? 1 : -1;
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int err = (dx > (dy?dx:-dy)) / 2;
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int e2;
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// TODO: find if there's any collision in this line
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loop:
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e2 = err;
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if (e2 > -dx) {
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*chizzle = '_';
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err -= dy;
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x+=sx;
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}
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if (e2 < dy) {
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*chizzle='|';
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err += dx;
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y += sy;
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}
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if ((e2 < dy) && (e2 > -dx)) {
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if (sy > 0) {
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*chizzle = (sx > 0)?'\\':'/';
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} else {
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*chizzle = (sx > 0)?'/':'\\';
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}
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}
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if (!(x == x2 && y == y2)) {
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int i = (*chizzle == '_' && sy < 0) ? 1 : 0;
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if (G(x, y - i)) {
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if (useUtf8) {
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switch (*chizzle) {
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case '/':
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W("╯");
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break;
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case '\\':
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W("└");
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break;
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case '|':
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W("│");
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break;
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case '_':
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W("─");
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break;
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default:
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W("?");
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break;
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}
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} else {
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W(chizzle);
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}
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}
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goto loop;
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}
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if (dx) {
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if (dy && (dx / dy) < 1) {
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if (G(x, y)) {
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W("|");
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}
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}
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if (G(x, y + 1)) {
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W("|");
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}
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}
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c->attr = Color_RESET;
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}
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R_API void r_cons_canvas_line_square(RConsCanvas *c, int x, int y, int x2, int y2, RCanvasLineStyle *style) {
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int min_x = R_MIN (x, x2);
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int diff_x = R_ABS (x - x2);
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int diff_y = R_ABS (y - y2);
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apply_line_style (c, x, y, x2, y2, style, 1);
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// --
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// TODO: find if there's any collision in this line
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if (y2 - y > 1) {
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int hl = diff_y / 2 - 1;
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int hl2 = diff_y - hl;
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int w = diff_x == 0 ? 0 : diff_x + 1;
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int apex_style = min_x == x ? APEX_DOT : DOT_APEX;
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draw_vertical_line (c, x, y + 1, hl, style->dot_style);
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draw_vertical_line (c, x2, y + hl + 1, hl2, style->dot_style);
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draw_horizontal_line (c, min_x, y + hl + 1, w, apex_style, style->dot_style);
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} else {
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if (y2 == y) {
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draw_horizontal_line (c, min_x, y, diff_x + 1, DOT_DOT, style->dot_style);
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} else {
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if (x != x2) {
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draw_horizontal_line (c, min_x, y, diff_x + 1, REV_APEX_APEX, style->dot_style);
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}
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draw_vertical_line (c, x2, y2, diff_y, style->dot_style);
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}
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}
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c->attr = Color_RESET;
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}
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R_API void r_cons_canvas_line_square_defined(RConsCanvas *c, int x, int y, int x2, int y2, RCanvasLineStyle *style, int bendpoint, int isvert) {
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if (!c->linemode) {
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r_cons_canvas_line (c, x, y, x2, y2, style);
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return;
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}
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int min_x = R_MIN (x, x2);
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int diff_x = R_ABS (x - x2);
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int diff_y = R_ABS (y - y2);
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int min_y = R_MIN (y, y2);
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apply_line_style (c, x, y, x2, y2, style, isvert);
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if (isvert) {
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if (x2 == x) {
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draw_vertical_line (c, x, y + 1, diff_y + 1, style->dot_style);
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} else if (y2 - y > 1) {
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int h1 = 1 + bendpoint;
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int h2 = diff_y - h1;
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int w = diff_x == 0 ? 0 : diff_x + 1;
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int apex_style = min_x == x ? APEX_DOT : DOT_APEX;
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draw_vertical_line (c, x, y + 1, h1, style->dot_style);
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draw_horizontal_line (c, min_x, y + bendpoint + 2, w, apex_style, style->dot_style);
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draw_vertical_line (c, x2, y + h1 + 1 + 1, h2, style->dot_style);
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} else {
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//TODO: currently copy-pasted
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if (y2 == y) {
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draw_horizontal_line (c, min_x, y, diff_x + 1, DOT_DOT, style->dot_style);
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} else {
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if (x != x2) {
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draw_horizontal_line (c, min_x, y, diff_x + 1, REV_APEX_APEX, style->dot_style);
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}
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draw_vertical_line (c, x2, y2, diff_y-2, style->dot_style);
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}
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}
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} else {
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if (y2 == y) {
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draw_horizontal_line (c, min_x + 1, y, diff_x, NRM_NRM, style->dot_style);
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} else if (x2 - x > 1) {
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int w1 = 1 + bendpoint;
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int w2 = diff_x - w1;
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//int h = diff_x;// == 0 ? 0 : diff_x + 1;
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//int style = min_x == x ? APEX_DOT : DOT_APEX;
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//draw_vertical_line (c, x, y + 1, h1);
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draw_horizontal_line (c, x + 1, y, w1 + 1, y2 > y ? NRM_DOT : NRM_APEX, style->dot_style);
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//draw_horizontal_line (c, min_x, y + bendpoint + 2, w, style);
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draw_vertical_line (c, x + 1 + w1, min_y + 1, diff_y - 1, style->dot_style);
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//draw_vertical_line (c, x2, y + h1 + 1 + 1, h2);
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draw_horizontal_line (c, x + 1 + w1, y2, w2, y2 < y ? DOT_NRM : REV_APEX_NRM, style->dot_style);
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}
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}
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c->attr = Color_RESET;
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}
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R_API void r_cons_canvas_line_back_edge(RConsCanvas *c, int x, int y, int x2, int y2, RCanvasLineStyle *style, int ybendpoint1, int xbendpoint, int ybendpoint2, int isvert) {
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if (!c->linemode) {
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r_cons_canvas_line (c, x, y, x2, y2, style);
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return;
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}
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int min_x1 = R_MIN (x, xbendpoint);
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int min_x2 = R_MIN (x2, xbendpoint);
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int diff_x1 = R_ABS (x - xbendpoint);
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int diff_x2 = R_ABS (x2 - xbendpoint);
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int diff_y = R_ABS ((y + ybendpoint1 + 1) - (y2 - ybendpoint2- 1));
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int w1 = diff_x1 == 0 ? 0 : diff_x1 + 1;
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int w2 = diff_x2 == 0 ? 0 : diff_x2 + 1;
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apply_line_style (c, x, y, x2, y2, style, isvert);
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if (isvert) {
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draw_vertical_line (c, x, y + 1, ybendpoint1 + 1, style->dot_style);
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draw_horizontal_line (c, min_x1, y + ybendpoint1 + 2, w1, REV_APEX_APEX, style->dot_style);
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draw_vertical_line (c, xbendpoint, y2 - ybendpoint2 + 1, diff_y - 1, style->dot_style);
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draw_horizontal_line (c, min_x2, y2 - ybendpoint2, w2, DOT_DOT, style->dot_style);
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draw_vertical_line (c, x2, y2 - ybendpoint2 + 1, ybendpoint2 + 1, style->dot_style);
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} else {
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int miny1 = R_MIN (y, xbendpoint);
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int miny2 = R_MIN (y2, xbendpoint);
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int diff_y1 = R_ABS (y - xbendpoint);
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int diff_y2 = R_ABS (y2 - xbendpoint);
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draw_horizontal_line (c, x + 1, y, 1 + ybendpoint1 + 1, xbendpoint > y ? NRM_DOT : NRM_APEX, style->dot_style);
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draw_vertical_line (c, x + 1 + ybendpoint1 + 1, miny1 + 1, diff_y1 - 1, style->dot_style);
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draw_horizontal_line (c, x2 - ybendpoint2, xbendpoint, (x + 1 + ybendpoint1 + 1) - (x2 - ybendpoint2) + 1, xbendpoint > y ? REV_APEX_APEX : DOT_DOT, style->dot_style);
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draw_vertical_line (c, x2 - ybendpoint2, miny2 + 1, diff_y2 - 1, style->dot_style);
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draw_horizontal_line (c, x2 - ybendpoint2, y2, ybendpoint2 + 1, xbendpoint > y ? DOT_NRM : REV_APEX_NRM, style->dot_style);
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}
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}
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