mirror of
git://projects.qi-hardware.com/eda-tools.git
synced 2024-08-23 09:05:51 +03:00
443 lines
8.8 KiB
C
443 lines
8.8 KiB
C
/*
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* kicad/lib-render.c - Render component from library
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*
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* Written 2016 by Werner Almesberger
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* Copyright 2016 by Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <assert.h>
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#include "misc/util.h"
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#include "misc/diag.h"
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#include "gfx/misc.h"
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#include "gfx/style.h"
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#include "gfx/gfx.h"
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#include "gfx/text.h"
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#include "kicad/sch.h"
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#include "kicad/lib.h"
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/* ----- Drawing ----------------------------------------------------------- */
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static void draw_poly(const struct lib_poly *poly, const int m[6])
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{
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int n = poly->points;
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int x[n];
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int y[n];
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int i;
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for (i = 0; i != n; i++) {
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x[i] = mx(poly->x[i], poly->y[i], m);
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y[i] = my(poly->x[i], poly->y[i], m);
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}
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gfx_poly(n, x, y, COLOR_COMP_DWG, COLOR_NONE, LAYER_COMP_DWG);
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switch (poly->fill) {
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case 'N':
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break;
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case 'F':
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gfx_poly(n, x, y, COLOR_NONE, COLOR_COMP_DWG,
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LAYER_COMP_DWG_BG);
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break;
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case 'f':
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gfx_poly(n, x, y, COLOR_NONE, COLOR_COMP_DWG_BG,
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LAYER_COMP_DWG_BG);
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break;
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default:
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abort();
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}
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}
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static void draw_rect(const struct lib_rect *rect, const int m[6])
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{
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int sx = mx(rect->sx, rect->sy, m);
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int sy = my(rect->sx, rect->sy, m);
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int ex = mx(rect->ex, rect->ey, m);
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int ey = my(rect->ex, rect->ey, m);
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gfx_rect(sx, sy, ex, ey, COLOR_COMP_DWG, COLOR_NONE, LAYER_COMP_DWG);
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switch (rect->fill) {
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case 'N':
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break;
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case 'F':
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gfx_rect(sx, sy, ex, ey, COLOR_NONE, COLOR_COMP_DWG,
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LAYER_COMP_DWG_BG);
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break;
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case 'f':
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gfx_rect(sx, sy, ex, ey, COLOR_NONE, COLOR_COMP_DWG_BG,
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LAYER_COMP_DWG_BG);
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break;
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default:
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abort();
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}
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}
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static void draw_circ(const struct lib_circ *circ, const int m[6])
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{
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int x = mx(circ->x, circ->y, m);
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int y = my(circ->x, circ->y, m);
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int r = circ->r;
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gfx_circ(x, y, r, COLOR_COMP_DWG, COLOR_NONE, LAYER_COMP_DWG);
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switch (circ->fill) {
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case 'N':
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break;
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case 'F':
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gfx_circ(x, y, r, COLOR_NONE, COLOR_COMP_DWG,
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LAYER_COMP_DWG_BG);
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break;
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case 'f':
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gfx_circ(x, y, r, COLOR_NONE, COLOR_COMP_DWG_BG,
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LAYER_COMP_DWG_BG);
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break;
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default:
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abort();
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}
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}
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static void draw_arc(const struct lib_arc *arc, const int m[6])
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{
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int a = matrix_to_angle(m);
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int x = mx(arc->x, arc->y, m);
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int y = my(arc->x, arc->y, m);
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int sa = angle_add(arc->start_a, a);
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int ea = angle_add(arc->end_a, a);
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if (matrix_is_mirrored(m)) {
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sa = 180 - sa;
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ea = 180 - ea;
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while (ea < sa)
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ea += 360;
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while (ea - sa > 360)
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ea -= 360;
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if (ea - sa >= 180) {
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swap(sa, ea);
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sa += 360;
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}
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}
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/*
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* cr_arc (and maybe others) close the arc if filling, so we supply a
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* foreground color as well. Other objects are closed and don't need
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* need a foreground color when filling.
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*/
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switch (arc->fill) {
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case 'N':
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break;
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case 'F':
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gfx_arc(x, y, arc->r, sa, ea,
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COLOR_COMP_DWG, COLOR_COMP_DWG, LAYER_COMP_DWG_BG);
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break;
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case 'f':
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gfx_arc(x, y, arc->r, sa, ea,
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COLOR_COMP_DWG_BG, COLOR_COMP_DWG_BG, LAYER_COMP_DWG_BG);
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break;
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default:
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assert(0);
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}
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gfx_arc(x, y, arc->r, sa, ea,
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COLOR_COMP_DWG, COLOR_NONE, LAYER_COMP_DWG);
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}
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static void draw_pin_name(const struct comp *comp, const struct lib_pin *pin,
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const int m[6], int dx, int dy, int rot, enum text_align hor)
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{
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int ox, oy, sx, sy;
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if (!strcmp(pin->name, "~"))
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return;
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if (comp->name_offset) {
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ox = dx * (pin->length + comp->name_offset);
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oy = dy * (pin->length + comp->name_offset);
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sx = sy = 0;
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} else {
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ox = dx * pin->length / 2;
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oy = dy * pin->length / 2;
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sx = mxr(-dy * PIN_NUM_OFFSET, dx * PIN_NUM_OFFSET, m);
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sy = myr(-dy * PIN_NUM_OFFSET, dx * PIN_NUM_OFFSET, m);
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if (sx > 0)
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sx = -sx;
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if (sy > 0)
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sy = -sy;
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}
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struct text txt = {
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.s = pin->name,
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.x = mx(pin->x + ox, pin->y + oy, m) + sx,
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.y = my(pin->x + ox, pin->y + oy, m) + sy,
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.size = pin->name_size,
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.rot = rot,
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.hor = comp->name_offset ? hor : text_mid,
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.vert = comp->name_offset ? text_mid : text_min,
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};
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text_rot(&txt, matrix_to_angle(m));
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if (matrix_is_mirrored(m)) {
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if ((txt.rot % 180) == 0)
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txt.hor = text_flip(txt.hor);
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else
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txt.vert = text_flip(txt.vert);
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}
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switch (txt.rot) {
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case 180:
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case 270:
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text_flip_x(&txt);
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break;
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default:
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break;
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}
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text_fig(&txt, COLOR_PIN_NAME, LAYER_PIN_NAME);
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}
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static void draw_pin_num(const struct comp *comp, const struct lib_pin *pin,
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const int m[6], int dx, int dy, int rot, enum text_align hor)
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{
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int ox, oy, sx, sy;
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ox = dx * pin->length / 2;
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oy = dy * pin->length / 2;
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sx = mxr(-dy * PIN_NUM_OFFSET, dx * PIN_NUM_OFFSET, m);
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sy = myr(-dy * PIN_NUM_OFFSET, dx * PIN_NUM_OFFSET, m);
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if (sx > 0)
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sx = -sx;
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if (sy > 0)
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sy = -sy;
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if (!comp->name_offset) {
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sx = -sx;
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sy = -sy;
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}
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struct text txt = {
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.s = pin->number,
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.x = mx(pin->x + ox, pin->y + oy, m) + sx,
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.y = my(pin->x + ox, pin->y + oy, m) + sy,
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.size = pin->number_size,
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.rot = rot,
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.hor = text_mid,
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.vert = comp->name_offset ? text_min : text_max,
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};
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text_rot(&txt, matrix_to_angle(m) % 180);
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if (matrix_is_mirrored(m)) {
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switch (txt.rot) {
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case 0:
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txt.hor = text_flip(txt.hor);
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break;
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case 90:
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break;
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case 180:
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txt.hor = text_flip(txt.hor);
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break;
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case 270:
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break;
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}
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}
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switch (txt.rot) {
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case 180:
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case 270:
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text_flip_x(&txt);
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break;
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default:
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break;
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}
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text_fig(&txt, COLOR_PIN_NUMBER, LAYER_PIN_NUMBER);
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}
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static void draw_pin(const struct comp *comp, const struct lib_pin *pin,
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const int m[6])
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{
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int x[2], y[2];
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int dx = 0, dy = 0;
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int rot;
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enum text_align hor;
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switch (pin->orient) {
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case 'U':
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dy = 1;
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rot = 90;
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hor = text_min;
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break;
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case 'D':
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dy = -1;
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rot = 90;
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hor = text_max;
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break;
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case 'R':
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dx = 1;
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rot = 0;
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hor = text_min;
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break;
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case 'L':
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dx = -1;
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rot = 0;
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hor = text_max;
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break;
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default:
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abort();
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}
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x[0] = mx(pin->x, pin->y, m);
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y[0] = my(pin->x, pin->y, m);
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x[1] = mx(pin->x + dx * pin->length, pin->y + dy * pin->length, m);
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y[1] = my(pin->x + dx * pin->length, pin->y + dy * pin->length, m);
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gfx_poly(2, x, y, COLOR_COMP_DWG, COLOR_NONE, LAYER_COMP_DWG);
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if (comp->show_pin_name)
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draw_pin_name(comp, pin, m, dx, dy, rot, hor);
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if (comp->show_pin_num)
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draw_pin_num(comp, pin, m, dx, dy, rot, hor);
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}
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static void draw_text(const struct lib_text *text, const int m[6])
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{
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struct text txt = {
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.s = text->s,
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.size = text->dim,
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.x = mx(text->x, text->y, m),
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.y = my(text->x, text->y, m),
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.rot = angle_add(text->orient / 10, matrix_to_angle(m)),
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};
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decode_alignment(&txt, text->hor_align, text->vert_align);
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switch (txt.rot) {
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case 180:
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case 270:
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/* @@@ consolidate this with text_flip_x */
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txt.rot = angle_add(txt.rot, 180);
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txt.hor = text_flip(txt.hor);
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txt.vert = text_flip(txt.vert);
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// text_flip_x(&txt);
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break;
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default:
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break;
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}
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if (matrix_is_mirrored(m))
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switch (txt.rot) {
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case 0:
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case 180:
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txt.hor = text_flip(txt.hor);
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break;
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case 90:
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case 270:
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txt.vert = text_flip(txt.vert);
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break;
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default:
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abort();
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}
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text_fig(&txt, COLOR_COMP_DWG, WIDTH_COMP_DWG);
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}
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static void draw(const struct comp *comp, const struct lib_obj *obj,
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const int m[6])
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{
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switch (obj->type) {
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case lib_obj_poly:
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draw_poly(&obj->u.poly, m);
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break;
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case lib_obj_rect:
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draw_rect(&obj->u.rect, m);
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break;
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case lib_obj_circ:
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draw_circ(&obj->u.circ, m);
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break;
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case lib_obj_arc:
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draw_arc(&obj->u.arc, m);
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break;
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case lib_obj_text:
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draw_text(&obj->u.text, m);
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break;
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case lib_obj_pin:
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draw_pin(comp, &obj->u.pin, m);
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break;
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default:
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abort();
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}
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}
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const struct comp *lib_find(const struct lib *lib, const char *name)
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{
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const struct comp *comp;
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const struct comp_alias *alias;
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for (comp = lib->comps; comp; comp = comp->next) {
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if (!strcmp(comp->name, name))
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return comp;
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for (alias = comp->aliases; alias; alias = alias->next)
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if (!strcmp(alias->name, name))
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return comp;
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}
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error("\"%s\" not found\n", name);
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return NULL;
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}
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bool lib_field_visible(const struct comp *comp, int n)
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{
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return (comp->visible >> n) & 1;
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}
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static void missing_component(const int m[4])
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{
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int sx = mx(0, 0, m);
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int sy = my(0, 0, m);
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int ex = mx(MISSING_WIDTH, MISSING_HEIGHT, m);
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int ey = my(MISSING_WIDTH, MISSING_HEIGHT, m);
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gfx_rect(sx, sy, ex, ey, COLOR_MISSING_FG, COLOR_MISSING_BG,
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LAYER_COMP_DWG);
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}
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void lib_render(const struct comp *comp, unsigned unit, unsigned convert,
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const int m[4])
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{
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const struct lib_obj *obj;
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if (!comp) {
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missing_component(m);
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return;
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}
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if (!unit)
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unit = 1;
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for (obj = comp->objs; obj; obj = obj->next) {
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if (obj->unit && obj->unit != unit)
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continue;
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if (obj->convert && obj->convert != convert)
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continue;
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draw(comp, obj, m);
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}
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}
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