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eeshow/kicad/: begin text support for page layout (WIP); add missing pl-common.h
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52
eeshow/kicad/pl-common.h
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52
eeshow/kicad/pl-common.h
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@ -0,0 +1,52 @@
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/*
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* kicad/pl-common.h - Shared definitions for KiCad page layout handling
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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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#ifndef KICAD_PL_COMMON_H
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#define KICAD_PL_COMMON_H
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#include "kicad/sexpr.h"
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enum font_flag {
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font_bold = 1 << 0,
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font_italic = 1 << 1,
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};
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struct pl_obj {
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enum pl_obj_type {
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pl_obj_rect,
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pl_obj_line,
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pl_obj_text,
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} type;
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const char *s; /* tbtext */
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int repeat; /* line, rect, tbtext */
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float x, y; /* line, rect, tbtext */
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int dx, dy;
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float ex, ey; /* line, rect; font size for tbtext */
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int edx, edy;
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float incrx, incry;
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int incrlabel; /* tbtext */
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int font; /* tbtext (flags) */
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struct pl_obj *next;
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};
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struct pl_ctx {
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struct sexpr_ctx *sexpr_ctx;
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float l, r, t, b; /* margins */
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struct pl_obj *objs;
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};
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#endif /* !KICAD_PL_COMMON_H */
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@ -140,6 +140,43 @@ static bool process_setup(struct pl_ctx *p, const struct expr *e)
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}
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static bool process_font(struct pl_obj *obj, const struct expr *e)
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{
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const char *s;
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const struct expr *next;
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for (; e; e = e->next) {
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if (e->s) {
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if (!strcmp(e->s, "bold"))
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obj->font |= font_bold;
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else if (!strcmp(e->s, "italic"))
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obj->font |= font_italic;
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else
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warning("ignoring \"%s\"\n", e->s);
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continue;
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}
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if (!e->e) {
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warning("ignoring empty list\n");
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continue;
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}
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s = e->e->s;
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next = e->e->next;
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if (!strcmp(s, "comment"))
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continue;
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if (!strcmp(s, "size")) {
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if (!get_coord(next, &obj->ex, &obj->ey,
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&obj->edx, &obj->edy))
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return 0;
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} else
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warning("ignoring \"%s\"\n", s);
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}
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return 1;
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}
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static bool process_obj(struct pl_ctx *pl, const struct expr *e,
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enum pl_obj_type type)
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{
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@ -156,10 +193,19 @@ static bool process_obj(struct pl_ctx *pl, const struct expr *e,
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obj->incrx = 0;
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obj->incry = 0;
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obj->incrlabel = 0;
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obj->font = 0;
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for (; e; e = e->next) {
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if (e->s) {
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if (obj->s) {
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error("multiple strings\n");
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return 0;
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}
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obj->s = stralloc(e->s);
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continue;
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}
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if (!e->e) {
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warning("ignoring non-list\n");
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warning("ignoring empty list\n");
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continue;
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}
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@ -193,6 +239,9 @@ static bool process_obj(struct pl_ctx *pl, const struct expr *e,
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} else if (!strcmp(s, "incrlabel")) {
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if (!get_int(next, &obj->incrlabel))
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return 0;
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} else if (!strcmp(s, "font")) {
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if (!process_font(obj, next))
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return 0;
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} else
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warning("ignoring \"%s\"\n", s);
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}
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@ -18,6 +18,7 @@
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#include "misc/util.h"
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#include "misc/diag.h"
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#include "gfx/style.h"
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#include "gfx/text.h"
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#include "gfx/gfx.h"
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#include "kicad/pl-common.h"
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#include "kicad/pl.h"
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@ -35,15 +36,9 @@ static int mil(float mm)
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}
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static int cx(int x, int dx, int xo, int xe)
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static int coord(int v, int d, int o, int e)
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{
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return dx >= 0 ? xo + x : xe - x;
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}
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static int cy(int y, int dy, int yo, int ye)
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{
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return dy >= 0 ? yo + y : ye - y;
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return d >= 0 ? o + v : e - v;
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}
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@ -66,27 +61,28 @@ static void render_obj(const struct pl_ctx *pl, const struct pl_obj *obj,
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if (x > ww || y > hh || ex > ww || ey > hh)
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return;
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x = coord(x, obj->dx, xo, xe);
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y = coord(y, obj->dy, yo, ye);
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ex = coord(ex, obj->edx, xo, xe);
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ey = coord(ey, obj->edy, yo, ye);
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switch (obj->type) {
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case pl_obj_rect:
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gfx_rect(
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cx(x, obj->dx, xo, xe), cy(y, obj->dy, yo, ye),
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cx(ex, obj->edx, xo, xe), cy(ey, obj->edy, yo, ye),
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gfx_rect(x, y, ex, ey,
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COLOR_COMP_DWG, COLOR_NONE, LAYER_COMP_DWG);
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break;
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case pl_obj_line: {
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int vx[] = {
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cx(x, obj->dx, xo, xe),
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cx(ex, obj->edx, xo, xe)
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};
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int vy[] = {
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cy(y, obj->dy, yo, ye),
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cy(ey, obj->edy, yo, ye)
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};
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int vx[] = { x, ex };
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int vy[] = { y, ey };
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gfx_poly(2, vx, vy,
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COLOR_COMP_DWG, COLOR_NONE, LAYER_COMP_DWG);
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}
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break;
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case pl_obj_text:
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gfx_text(x, y, obj->s, mil(obj->ey), text_min, 0,
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COLOR_COMP_DWG, LAYER_COMP_DWG);
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break;
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default:
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break;
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}
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