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Code

Added a thin black border above and below the projections.

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- solidify/style.h (PROJECTION_BORDER): number of pixels to leave dark above
  and below the face
- solidify/level.c (draw_xz, draw_zy, level): increase projection z size by
  twice the border width
- solidify/level.c (draw_xz, draw_zy): offset z coordinates by the border
This commit is contained in:
Werner Almesberger 2010-09-28 20:33:40 -03:00
parent 761002e0e5
commit f2963b9e2a
2 changed files with 19 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
solidify/level.c
View File

@ -95,7 +95,7 @@ static void draw_image(GtkWidget *widget, struct face *f, int osd)
static void draw_xz(GtkWidget *widget, struct face *f, int y) static void draw_xz(GtkWidget *widget, struct face *f, int y)
{ {
int zm = f->a->max_z; int zm = f->a->max_z;
int sz = f->sz*z0_scale(f); int sz = f->sz*z0_scale(f)+2*PROJECTION_BORDER;
int x, z; int x, z;
double z0; double z0;
guchar *rgbbuf, *p; guchar *rgbbuf, *p;
@ -111,19 +111,22 @@ static void draw_xz(GtkWidget *widget, struct face *f, int y)
z0 = face_z0(f, x, y); z0 = face_z0(f, x, y);
if (z == UNDEF || z == z0) { if (z == UNDEF || z == z0) {
aa_line(rgbbuf, x, aa_line(rgbbuf, x,
(zm-z0)*z0_scale(f), (zm-z0)*z0_scale(f), (zm-z0)*z0_scale(f)+PROJECTION_BORDER,
(zm-z0)*z0_scale(f)+PROJECTION_BORDER,
sz-1, f->sx, sz-1, f->sx,
(uint8_t *) "\0\0\xff", vpoint); (uint8_t *) "\0\0\xff", vpoint);
continue; continue;
} }
if (z > z0) { if (z > z0) {
aa_line(rgbbuf, x, aa_line(rgbbuf, x,
(zm-z)*z0_scale(f), (zm-z0)*z0_scale(f), (zm-z)*z0_scale(f)+PROJECTION_BORDER,
(zm-z0)*z0_scale(f)+PROJECTION_BORDER,
sz-1, f->sx, sz-1, f->sx,
(uint8_t *) "\0\xff\0", vpoint); (uint8_t *) "\0\xff\0", vpoint);
} else { } else {
aa_line(rgbbuf, x, aa_line(rgbbuf, x,
(zm-z0)*z0_scale(f), (zm-z)*z0_scale(f), (zm-z0)*z0_scale(f)+PROJECTION_BORDER,
(zm-z)*z0_scale(f)+PROJECTION_BORDER,
sz-1, f->sx, sz-1, f->sx,
(uint8_t *) "\xff\0\0", vpoint); (uint8_t *) "\xff\0\0", vpoint);
} }
@ -139,7 +142,7 @@ static void draw_xz(GtkWidget *widget, struct face *f, int y)
static void draw_zy(GtkWidget *widget, struct face *f, int x) static void draw_zy(GtkWidget *widget, struct face *f, int x)
{ {
int zm = f->a->max_z; int zm = f->a->max_z;
int sz = f->sz*z0_scale(f); int sz = f->sz*z0_scale(f)+2*PROJECTION_BORDER;
int y, z; int y, z;
double z0; double z0;
guchar *rgbbuf, *p; guchar *rgbbuf, *p;
@ -155,19 +158,22 @@ static void draw_zy(GtkWidget *widget, struct face *f, int x)
z0 = face_z0(f, x, f->sy-y-1); z0 = face_z0(f, x, f->sy-y-1);
if (z == UNDEF || z == z0) { if (z == UNDEF || z == z0) {
aa_line(rgbbuf, y, aa_line(rgbbuf, y,
(zm-z0)*z0_scale(f), (zm-z0)*z0_scale(f), (zm-z0)*z0_scale(f)+PROJECTION_BORDER,
(zm-z0)*z0_scale(f)+PROJECTION_BORDER,
sz-1, sz, sz-1, sz,
(uint8_t *) "\0\0\xff", hpoint); (uint8_t *) "\0\0\xff", hpoint);
continue; continue;
} }
if (z > z0) { if (z > z0) {
aa_line(rgbbuf, y, aa_line(rgbbuf, y,
(zm-z)*z0_scale(f), (zm-z0)*z0_scale(f), (zm-z)*z0_scale(f)+PROJECTION_BORDER,
(zm-z0)*z0_scale(f)+PROJECTION_BORDER,
sz-1, sz, sz-1, sz,
(uint8_t *) "\0\xff\0", hpoint); (uint8_t *) "\0\xff\0", hpoint);
} else { } else {
aa_line(rgbbuf, y, aa_line(rgbbuf, y,
(zm-z0)*z0_scale(f), (zm-z)*z0_scale(f), (zm-z0)*z0_scale(f)+PROJECTION_BORDER,
(zm-z)*z0_scale(f)+PROJECTION_BORDER,
sz-1, sz, sz-1, sz,
(uint8_t *) "\xff\0\0", hpoint); (uint8_t *) "\xff\0\0", hpoint);
} }
@ -298,8 +304,10 @@ void level(GtkWidget *canvas, struct face *f)
GDK_POINTER_MOTION_MASK); GDK_POINTER_MOTION_MASK);
gtk_widget_set_size_request(xy, f->sx, f->sy); gtk_widget_set_size_request(xy, f->sx, f->sy);
gtk_widget_set_size_request(xz, f->sx, f->sz*z0_scale(f)); gtk_widget_set_size_request(xz,
gtk_widget_set_size_request(zy, f->sz*z0_scale(f), f->sy); f->sx, f->sz*z0_scale(f)+2*PROJECTION_BORDER);
gtk_widget_set_size_request(zy,
f->sz*z0_scale(f)+2*PROJECTION_BORDER, f->sy);
gtk_table_set_row_spacings(GTK_TABLE(tab), 2); gtk_table_set_row_spacings(GTK_TABLE(tab), 2);
gtk_table_set_col_spacings(GTK_TABLE(tab), 2); gtk_table_set_col_spacings(GTK_TABLE(tab), 2);

1
solidify/style.h
View File

@ -26,6 +26,7 @@ extern GdkGC *gc_osd;
#define SLOWEST_ROT 3 /* thrice the half-diagonal */ #define SLOWEST_ROT 3 /* thrice the half-diagonal */
#define FASTEST_ROT 2 /* one pixel in distance of 2 pixels */ #define FASTEST_ROT 2 /* one pixel in distance of 2 pixels */
#define DIST_STEPS 5 /* fastest shift is 5 px/wheel step */ #define DIST_STEPS 5 /* fastest shift is 5 px/wheel step */
#define PROJECTION_BORDER 2 /* pixels around projections */
void init_style(GdkDrawable *da); void init_style(GdkDrawable *da);