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postscript.c: cleaned up geometry calculation for pad type key

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This commit is contained in:
Werner Almesberger 2012-07-18 22:31:36 -03:00
parent c28f701086
commit ed69b7b0e0
1 changed files with 15 additions and 8 deletions
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23
postscript.c
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@ -89,7 +89,8 @@
#define PS_CROSS_WIDTH mm_to_units(0.01)
#define PS_CROSS_DASH mm_to_units(0.1)
#define PS_KEY_GAP mm_to_units(8)
#define PS_KEY_X_GAP mm_to_units(8)
#define PS_KEY_Y_GAP mm_to_units(4)
#define PS_KEY_HEIGTH mm_to_units(8)
#define TEXT_HEIGHT_FACTOR 1.5 /* height/width of typical text */
@ -818,9 +819,9 @@ static void ps_key(FILE *file, double w, double h, enum pad_type type)
struct coord a, b;
unit_type key_w;
key_w = (w-2*PS_KEY_GAP-PS_KEY_GAP*(pt_n-1))/pt_n;
a.x = b.x = (key_w+PS_KEY_GAP)*type-w/2+PS_KEY_GAP;
a.y = b.y = -h/2-PS_KEY_GAP;
key_w = (w-2*PS_KEY_X_GAP-PS_KEY_X_GAP*(pt_n-1))/pt_n;
a.x = b.x = (key_w+PS_KEY_X_GAP)*type-w/2+PS_KEY_X_GAP;
a.y = b.y = -h/2-PS_KEY_Y_GAP;
b.x += key_w;
b.y -= PS_KEY_HEIGTH;
@ -1184,6 +1185,7 @@ static void ps_package_fullpage(FILE *file, const struct pkg *pkg, int page)
double fx, fy, f;
double w = 2.0*PAGE_HALF_WIDTH;
double h = 2.0*PAGE_HALF_HEIGHT;
int yoff = 0;
ps_page(file, page, pkg);
active_params = postscript_params;
@ -1198,17 +1200,22 @@ static void ps_package_fullpage(FILE *file, const struct pkg *pkg, int page)
fx = w/(bbox.max.x-bbox.min.x);
if (active_params.max_height)
h = active_params.max_height;
if (active_params.show_key)
h -= 2*PS_KEY_HEIGTH;
if (active_params.show_key) {
yoff = PS_KEY_HEIGTH+PS_KEY_Y_GAP;
h -= yoff;
}
fy = h/(bbox.max.y-bbox.min.y);
f = fx < fy ? fx : fy;
}
fprintf(file, "gsave\n");
fprintf(file, "%d %d translate\n", (int) (-cx*f), (int) (-cy*f));
fprintf(file, "%d %d translate\n", (int) (-cx*f), (int) (-cy*f)+yoff);
ps_draw_package(file, pkg, f, 0);
fprintf(file, "grestore\n");
if (active_params.show_key)
if (active_params.show_key) {
fprintf(file, "gsave 0 %d translate\n", yoff);
ps_keys(file, w, h);
fprintf(file, "grestore\n");
}
fprintf(file, "showpage\n");
}