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mirror of git://projects.qi-hardware.com/wernermisc.git synced 2024-11-15 12:08:27 +02:00
wernermisc/bacon/case/case.fpd

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/*
* Draw a rounded edge in one quadrant
*
* Draw a arc from corner point vc plus rector ra to vc+rb. vc+ra is stored
* in va and vc+rb is stored in vb.
*/
#define Q(va, vb, vc, ra, rb) \
va: vec vc ra; \
vb: vec vc rb; \
vc##_center: vec va rb; \
arc vc##_center va vb
#define QLL(pfx, r) \
Q(pfx##lly, pfx##llx, pfx##ll, (0mm, r), (r, 0mm))
#define QLR(pfx, r) \
Q(pfx##lrx, pfx##lry, pfx##lr, (-(r), 0mm), (0mm, r))
#define QUL(pfx, r) \
Q(pfx##ulx, pfx##uly, pfx##ul, (r, 0mm), (0mm, -(r)))
#define QUR(pfx, r) \
Q(pfx##ury, pfx##urx, pfx##ur, (0mm, -(r)), (-(r), 0mm))
/*
* Rectangle with rounded corners.
*
* pfx is the prefix for all the names generated by this macro. origin is the
* lower left corner. w and h are the width and height. r is the radius of the
* corners.
*/
#define RRECT_SETUP(pfx, origin, w, h) \
pfx##ll: vec origin(0mm, 0mm); \
pfx##lr: vec pfx##ll(w, 0mm); \
pfx##ul: vec pfx##ll(0mm, h); \
pfx##ur: vec pfx##ll(w, h); \
#define RRECT_DRAW_ARCS(pfx, r) \
QLL(pfx, r); \
QLR(pfx, r); \
QUL(pfx, r); \
QUR(pfx, r)
#define RRECT_DRAW_LINES(pfx) \
line pfx##llx pfx##lrx; \
line pfx##ulx pfx##urx; \
line pfx##lly pfx##uly; \
line pfx##lry pfx##ury
#define RRECT(pfx, origin, w, h, r) \
RRECT_SETUP(pfx, origin, w, h); \
RRECT_DRAW_ARCS(pfx, r); \
RRECT_DRAW_LINES(pfx)
/* ----- Top part ---------------------------------------------------------- */
frame top_outline {
RRECT(edge_, @, width, length, ro_edge)
}
frame top_window {
loop if = 1, top_window
set off = topborder+topridge
frame top_outline @
win_orig: vec @(off+pcbgap+win_x0, off)
RRECT(win_, win_orig, win_x1-win_x0, length-2*off, win_r)
cmp_orig: vec @(off+pcbgap+cmp_x0, off+pcbgap+cmp_y0)
RRECT(cmp_, cmp_orig, cmp_x1-cmp_x0, cmp_y1-cmp_y0, cmp_r)
}
frame top_pcb {
loop if = 1, top_pcb
set off = topborder+topridge
frame top_outline @
ll: vec @(off, off)
RRECT(pcb_, ll, width-2*off, length-2*off, ri_ridge)
}
frame top_ridge {
loop if = 1, top_ridge
set inside = topborder+topridge
ro: vec @(topborder, topborder)
RRECT(ridge_o_, ro, width-2*topborder, length-2*topborder, ro_ridge)
ri: vec ro(topridge, topridge)
RRECT(ridge_i_, ri, width-2*inside, length-2*inside, ri_ridge)
}
frame top_surface {
loop if = 1, top_surface
frame top_outline @
}
/* ----- Middle part ------------------------------------------------------- */
frame mid_rrect_ridge {
RRECT_SETUP(edge_, @, width, length);
RRECT_DRAW_ARCS(edge_, ro_edge);
base: vec @(red, red)
RRECT_SETUP(ridge_, base, width-2*red, length-2*red);
RRECT_DRAW_ARCS(ridge_, r);
usb_ur: vec edge_ur(-usb_roff, 0mm)
usb_ul: vec usb_ur(-usb_w, 0mm)
usb_ll: vec usb_ul(0mm, -red)
usb_lr: vec usb_ur(0mm, -red)
line edge_lly edge_uly /* outside */
line edge_ulx usb_ul
line usb_ul usb_ll /* USB bay */
line usb_ll ridge_ulx
line ridge_uly ridge_lly /* inside */
line ridge_llx ridge_lrx
line ridge_lry ridge_ury
line ridge_urx usb_lr
line usb_lr usb_ur /* USB bay */
line usb_ur edge_urx
line edge_ury edge_lry /* outside */
line edge_lrx edge_llx
}
frame mid_rrect_body {
RRECT_SETUP(edge_, @, width, length);
RRECT_DRAW_ARCS(edge_, ro_edge);
usb_ur: vec edge_ur(-usb_roff, 0mm)
usb_ul: vec usb_ur(-usb_w, 0mm)
usb_ll: vec usb_ul(0mm, -usb_d)
usb_lr: vec usb_ur(0mm, -usb_d)
line edge_llx edge_lrx
line edge_ulx usb_ul
line usb_ul usb_ll /* USB bay */
line usb_ll usb_lr
line usb_lr usb_ur
line usb_ur edge_urx
line edge_lly edge_uly
line edge_lry edge_ury
}
frame mid_ridge {
loop if = 1, mid_ridge
set red = topborder
set r = ro_ridge
frame mid_rrect_ridge @
}
frame mid_pcb {
loop if = 1, mid_pcb
set red = topborder+topridge
set r = ri_ridge
frame mid_rrect_ridge @
}
frame post {
vec @(r, 0mm)
circ @ .
}
frame mid_body {
loop if = 1, mid_body
frame mid_rrect_body @
bc: vec @(width/2, batt_y)
br: vec bc(batt_d/2, 0mm)
circ bc br
set r = post_do/2
vec @(post_x, cvr_f+cvr_d+post_y)
frame post .
vec @(width-post_x, cvr_f+cvr_d+post_y)
frame post .
}
/* ----- Bottom part ------------------------------------------------------- */
frame bot_rrect {
base: vec @(0mm, cvr_f)
RRECT_SETUP(edge_, base, width, length-cvr_f);
QUL(edge_, ro_edge);
QUR(edge_, ro_edge);
set side = (width-cvr_w-2*cvr_play)/2-red
cvr_ll: vec edge_ll(side, 0mm)
cvr_lr: vec edge_lr(-side, 0mm)
cvr_ul: vec cvr_ll(0mm, cvr_d+2*cvr_play+red)
cvr_ur: vec cvr_lr(0mm, cvr_d+2*cvr_play+red)
line edge_ll cvr_ll /* outside */
QUL(cvr_, cvr_r+red+cvr_play) /* cover bay */
QUR(cvr_, cvr_r+red+cvr_play)
line cvr_ll cvr_uly
line cvr_ulx cvr_urx
line cvr_ury cvr_lr
line cvr_lr edge_lr /* outside */
line edge_ll edge_uly
line edge_lr edge_ury
line edge_ulx edge_urx
}
frame bot_posts {
loop if = 1, bot_posts
set r = post_di/2
vec @(post_x, cvr_f+cvr_d+post_y)
frame post .
vec @(width-post_x, cvr_f+cvr_d+post_y)
frame post .
}
frame bot_base {
loop if = 1, bot_base
set red = cvr_foot
frame bot_rrect @
}
frame bot_surface {
loop if = 1, bot_surface
set red = 0mm
frame bot_rrect @
}
/* ----- Main -------------------------------------------------------------- */
package "$part-$z"
unit mm
table
{ part, z, top_surface, top_window, top_pcb, top_ridge,
mid_ridge, mid_pcb, mid_body,
bot_posts, bot_base, bot_surface}
{ "top_surface", 2.5, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
{ "top_window", 1.5, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0 }
// { "top_pcb", 0.5, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 }
{ "top_ridge", 0.5, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 }
{ "mid_ridge", 0.5, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0 }
{ "mid_pcb", 1.0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 }
{ "mid_body", 4.5, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0 }
{ "bot_posts", 1.2, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }
{ "bot_base", 2.0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 }
{ "bot_surface", 2.7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 }
table
{ pcbw, pcbl, pcbgap }
{ 20mm, 45mm, 0.2mm }
table
/* window position relative to left edge of PCB */
{ topridge, topborder, win_x0, win_x1, win_r }
{ 1.0mm, 1.0mm, 1.0mm, 5.0mm, 1.6mm }
table
/* component area position relative to lower left corner of PCB */
{ cmp_x0, cmp_y0, cmp_x1, cmp_y1, cmp_r }
{ 6.5mm, 1.0mm, 19.5mm, 30.0mm, 2.0mm }
table
/* usb_roff = offset from right outer case edge */
{ usb_w, usb_d, usb_roff }
{ 8.5mm, 6.0mm, 4.5mm }
table
/* post_y is from the edge of the battery bay. post_x is from the edge */
{ batt_d, batt_y, post_do, post_di, post_y, post_x }
{ 20.2mm, 12.1mm, 4.1mm, 4.0mm, 5.0mm, 4.5mm }
table
{ cvr_w, cvr_d, cvr_f, cvr_foot, cvr_play, cvr_r }
{ 20.0mm, 15.0mm, 5.0mm, 0.8mm, 0.1mm, 2.0mm }
set width = pcbw+2*(pcbgap+topridge+topborder)
set length = pcbl+2*(pcbgap+topridge+topborder)
set ri_ridge = 2.0mm
set ro_ridge = ri_ridge+topridge
/*
* ro_edge is an outer edge, so we can make the radius smaller than ro_ridge,
* for added strength and less fruity esthetics.
*/
set ro_edge = 1.5mm
frame top_ridge @
frame top_pcb @
frame top_window @
frame top_surface @
frame mid_ridge @
frame mid_pcb @
frame mid_body @
frame bot_posts @
frame bot_base @
frame bot_surface @
measx top_outline.edge_ul -> top_outline.edge_ur 4mm
measy top_outline.edge_ll -> top_outline.edge_ul 4mm
measx top_pcb.pcb_ul -> top_pcb.pcb_ur 3mm
measy top_pcb.pcb_ll -> top_pcb.pcb_ul 3mm
measx top_ridge.ridge_o_ul -> top_ridge.ridge_o_ur 4mm
measy top_ridge.ridge_o_ll -> top_ridge.ridge_o_ul 4mm
measx top_ridge.ridge_i_ul -> top_ridge.ridge_i_ur 3mm
measy top_ridge.ridge_i_ll -> top_ridge.ridge_i_ul 3mm
measy bot_rrect.edge_ll -> bot_rrect.edge_ul 4mm
measx bot_rrect.edge_ll -> bot_rrect.cvr_ll -3mm