XFillArc(nedsim->dpy, nedsim->panel, nedsim->gc, x, y, diameter, diameter, 0, 360*64);
}
+// Draws text in a square area with upper left corner at (x_origin,y_origin).
+// Requires that set_font_size() has been run at least once. All values are in
+// units of 'cells'.
+static void
+draw_text(struct NEDsim * nedsim, const char * text, int x_origin, int y_origin, int x_size, int y_size, Bool horizontally_center)
+{
+ set_color(nedsim, &color_list[nedsim->color_index].text);
+
+ int text_x_size, text_y_size;
+ get_text_size(nedsim, text, &text_x_size, &text_y_size);
+
+ int local_y_offset = ((y_size * nedsim->cell_size) - text_y_size) / 2;
+ int local_x_offset = 0;
+ if (horizontally_center) local_x_offset = ((x_size * nedsim->cell_size) - text_x_size) / 2;
+
+ XDrawString(nedsim->dpy, nedsim->panel, nedsim->gc, (x_origin * nedsim->cell_size + nedsim->origin_x_offset + local_x_offset),
+ ((y_origin + y_size) * nedsim->cell_size + nedsim->origin_y_offset - local_y_offset), text, strlen(text));
+}
+
// Draws the panel itself. Not the lights/labels/etc, but the flat sheet of
// metal that is the front panel.
static void
draw_rect_area(nedsim, LOGO_X_OFFSET, LOGO_Y_OFFSET+LOGO_NAME_HEIGHT, LOGO_WIDTH, LOGO_WEBSITE_HEIGHT, False, True, False, False);
// Now draw the 'NED' text in the top box.
- set_color(nedsim, &color_list[nedsim->color_index].text);
set_font_size(nedsim, LOGO_NAME_HEIGHT);
- int text_x_size, text_y_size;
- get_text_size(nedsim, "NED", &text_x_size, &text_y_size);
- int local_x_offset = ((LOGO_WIDTH * nedsim->cell_size) - text_x_size) / 2;
- int local_y_offset = ((LOGO_NAME_HEIGHT * nedsim->cell_size) - text_y_size) / 2;
- XDrawString(nedsim->dpy, nedsim->panel, nedsim->gc, (LOGO_X_OFFSET * nedsim->cell_size + nedsim->origin_x_offset + local_x_offset),
- ((LOGO_Y_OFFSET+LOGO_NAME_HEIGHT) * nedsim->cell_size + nedsim->origin_y_offset - local_y_offset), "NED", 3);
+ draw_text(nedsim, "NED", LOGO_X_OFFSET, LOGO_Y_OFFSET, LOGO_WIDTH, LOGO_NAME_HEIGHT, True);
// And draw the 'subgeniuskitty.com' text in the bottom box.
set_font_size(nedsim, LOGO_WEBSITE_HEIGHT);
- get_text_size(nedsim, "subgeniuskitty.com", &text_x_size, &text_y_size);
- local_x_offset = ((LOGO_WIDTH * nedsim->cell_size) - text_x_size) / 2;
- local_y_offset = ((LOGO_WEBSITE_HEIGHT * nedsim->cell_size) - text_y_size) / 2;
- XDrawString(nedsim->dpy, nedsim->panel, nedsim->gc, (LOGO_X_OFFSET * nedsim->cell_size + nedsim->origin_x_offset + local_x_offset),
- ((LOGO_Y_OFFSET+LOGO_NAME_HEIGHT+LOGO_WEBSITE_HEIGHT) * nedsim->cell_size + nedsim->origin_y_offset - local_y_offset), "subgeniuskitty.com", 18);
+ draw_text(nedsim, "subgeniuskitty.com", LOGO_X_OFFSET, LOGO_Y_OFFSET+LOGO_NAME_HEIGHT, LOGO_WIDTH, LOGO_WEBSITE_HEIGHT, True);
}
// Draw the HALT indicator area on the front panel.
draw_rect_area(nedsim, HALT_X_OFFSET, HALT_Y_OFFSET+HALT_LIGHT_HEIGHT, HALT_WIDTH, HALT_LABEL_HEIGHT, False, True, False, False);
// And finally, draw the label.
- set_color(nedsim, &color_list[nedsim->color_index].text);
- int text_x_size, text_y_size;
- get_text_size(nedsim, "HALT", &text_x_size, &text_y_size);
- int local_x_offset = ((HALT_WIDTH * nedsim->cell_size) - text_x_size) / 2;
- int local_y_offset = ((HALT_LABEL_HEIGHT * nedsim->cell_size) - text_y_size) / 2;
- XDrawString(nedsim->dpy, nedsim->panel, nedsim->gc, (HALT_X_OFFSET * nedsim->cell_size + nedsim->origin_x_offset + local_x_offset),
- ((HALT_Y_OFFSET+HALT_LIGHT_HEIGHT+HALT_LABEL_HEIGHT) * nedsim->cell_size + nedsim->origin_y_offset - local_y_offset), "HALT", 4);
+ draw_text(nedsim, "HALT", HALT_X_OFFSET, HALT_Y_OFFSET+HALT_LIGHT_HEIGHT, HALT_WIDTH, HALT_LABEL_HEIGHT, True);
}
// Draw the 32 lights corresponding to 'word' at coordinates ('x','y').
draw_wordline(nedsim, PC_X_OFFSET, PC_Y_OFFSET+PC_LABEL_HEIGHT);
// Now draw the label text "PC".
- set_color(nedsim, &color_list[nedsim->color_index].text);
- int text_x_size, text_y_size;
- get_text_size(nedsim, "PC", &text_x_size, &text_y_size);
- int local_x_offset = ((PC_WIDTH * nedsim->cell_size) - text_x_size) / 2;
- int local_y_offset = ((PC_LABEL_HEIGHT * nedsim->cell_size) - text_y_size) / 2;
- XDrawString(nedsim->dpy, nedsim->panel, nedsim->gc, (PC_X_OFFSET * nedsim->cell_size + nedsim->origin_x_offset + local_x_offset),
- ((PC_Y_OFFSET+PC_LABEL_HEIGHT) * nedsim->cell_size + nedsim->origin_y_offset - local_y_offset), "PC", 2);
+ draw_text(nedsim, "PC", PC_X_OFFSET, PC_Y_OFFSET, PC_WIDTH, PC_LABEL_HEIGHT, True);
}
// Draw the Stack Counter area (but don't populate it yet).
draw_rect_area(nedsim, SC_X_OFFSET, SC_Y_OFFSET+SC_LABEL_HEIGHT, SC_WIDTH, SC_LIGHT_HEIGHT, False, True, False, False);
// Now draw the label text "SC".
- set_color(nedsim, &color_list[nedsim->color_index].text);
- int text_x_size, text_y_size;
- get_text_size(nedsim, "SC", &text_x_size, &text_y_size);
- int local_x_offset = ((SC_WIDTH * nedsim->cell_size) - text_x_size) / 2;
- int local_y_offset = ((SC_LABEL_HEIGHT * nedsim->cell_size) - text_y_size) / 2;
- XDrawString(nedsim->dpy, nedsim->panel, nedsim->gc, (SC_X_OFFSET * nedsim->cell_size + nedsim->origin_x_offset + local_x_offset),
- ((SC_Y_OFFSET+SC_LABEL_HEIGHT) * nedsim->cell_size + nedsim->origin_y_offset - local_y_offset), "SC", 2);
+ draw_text(nedsim, "SC", SC_X_OFFSET, SC_Y_OFFSET, SC_WIDTH, SC_LABEL_HEIGHT, True);
}
// Draw areas for the two PSW flags, 'Z'ero and 'N'egative.
set_color(nedsim, &color_list[nedsim->color_index].tertiary);
draw_rect_area(nedsim, (PSW_Z_X_OFFSET + 1), PSW_Y_OFFSET+PSW_LABEL_HEIGHT, PSW_LIGHT_WIDTH, PSW_LIGHT_HEIGHT, False, True, False, False);
- // Now draw the label text "N".
- set_color(nedsim, &color_list[nedsim->color_index].text);
- int text_x_size, text_y_size;
- get_text_size(nedsim, "N", &text_x_size, &text_y_size);
- int local_x_offset = ((PSW_LABEL_WIDTH * nedsim->cell_size) - text_x_size) / 2;
- int local_y_offset = ((PSW_LABEL_HEIGHT * nedsim->cell_size) - text_y_size) / 2;
- XDrawString(nedsim->dpy, nedsim->panel, nedsim->gc, (PSW_N_X_OFFSET * nedsim->cell_size + nedsim->origin_x_offset + local_x_offset),
- ((PSW_Y_OFFSET+PSW_LABEL_HEIGHT) * nedsim->cell_size + nedsim->origin_y_offset - local_y_offset), "N", 1);
-
- // Now draw the label text "Z".
- set_color(nedsim, &color_list[nedsim->color_index].text);
- get_text_size(nedsim, "Z", &text_x_size, &text_y_size);
- local_x_offset = ((PSW_LABEL_WIDTH * nedsim->cell_size) - text_x_size) / 2;
- local_y_offset = ((PSW_LABEL_HEIGHT * nedsim->cell_size) - text_y_size) / 2;
- XDrawString(nedsim->dpy, nedsim->panel, nedsim->gc, (PSW_Z_X_OFFSET * nedsim->cell_size + nedsim->origin_x_offset + local_x_offset),
- ((PSW_Y_OFFSET+PSW_LABEL_HEIGHT) * nedsim->cell_size + nedsim->origin_y_offset - local_y_offset), "Z", 1);
+ // Now draw the label text.
+ draw_text(nedsim, "N", PSW_N_X_OFFSET, PSW_Y_OFFSET, PSW_LABEL_WIDTH, PSW_LABEL_HEIGHT, True);
+ draw_text(nedsim, "Z", PSW_Z_X_OFFSET, PSW_Y_OFFSET, PSW_LABEL_WIDTH, PSW_LABEL_HEIGHT, True);
}
// Draw the stack area (but don't populate it yet).
}
// Now draw the label text "Stack Size:".
- set_color(nedsim, &color_list[nedsim->color_index].text);
- int text_x_size, text_y_size;
- get_text_size(nedsim, "Stack Size:", &text_x_size, &text_y_size);
- int local_y_offset = ((STACK_LABEL_HEIGHT * nedsim->cell_size) - text_y_size) / 2;
- XDrawString(nedsim->dpy, nedsim->panel, nedsim->gc, ((STACK_X_OFFSET + 1) * nedsim->cell_size + nedsim->origin_x_offset),
- ((STACK_Y_OFFSET+STACK_LABEL_HEIGHT) * nedsim->cell_size + nedsim->origin_y_offset - local_y_offset), "Stack Size:", 11);
+ draw_text(nedsim, "Stack Size:", STACK_X_OFFSET+1, STACK_Y_OFFSET, STACK_WIDTH, STACK_LABEL_HEIGHT, False);
}
// Draw the heap area (but don't populate it yet).
draw_wordline(nedsim, HEAP_X_OFFSET, HEAP_Y_OFFSET+HEAP_LABEL_HEIGHT+i);
}
- // Now draw the label text "RAM Base:".
- set_color(nedsim, &color_list[nedsim->color_index].text);
- int text_x_size, text_y_size;
- get_text_size(nedsim, "RAM Base:", &text_x_size, &text_y_size);
- int local_y_offset = ((HEAP_LABEL_HEIGHT * nedsim->cell_size) - text_y_size) / 2;
- XDrawString(nedsim->dpy, nedsim->panel, nedsim->gc, ((HEAP_X_OFFSET + 1) * nedsim->cell_size + nedsim->origin_x_offset),
- ((HEAP_Y_OFFSET+HEAP_LABEL_HEIGHT) * nedsim->cell_size + nedsim->origin_y_offset - local_y_offset), "RAM Base:", 9);
+ // Now draw the text label "RAM Base:".
+ draw_text(nedsim, "RAM Base:", HEAP_X_OFFSET+1, HEAP_Y_OFFSET, HEAP_WIDTH, HEAP_LABEL_HEIGHT, False);
// Now draw the address text.
- set_color(nedsim, &color_list[nedsim->color_index].text);
char address[11];
snprintf(address, sizeof(address), "0x%08X", HEAP_START_ADDRESS);
- get_text_size(nedsim, address, &text_x_size, &text_y_size);
- local_y_offset = ((HEAP_LABEL_HEIGHT * nedsim->cell_size) - text_y_size) / 2;
- XDrawString(nedsim->dpy, nedsim->panel, nedsim->gc, ((HEAP_X_OFFSET + 1 + (HEAP_WIDTH / 2)) * nedsim->cell_size + nedsim->origin_x_offset),
- ((HEAP_Y_OFFSET+HEAP_LABEL_HEIGHT) * nedsim->cell_size + nedsim->origin_y_offset - local_y_offset), address, strlen(address));
+ draw_text(nedsim, address, (HEAP_X_OFFSET+(HEAP_WIDTH/2)+1), HEAP_Y_OFFSET, HEAP_WIDTH, HEAP_LABEL_HEIGHT, False);
}
// After the static front panel has been drawn at least once, this function
// Draw the stack size in text.
set_color(nedsim, &color_list[nedsim->color_index].tertiary);
draw_rect_area(nedsim, STACK_X_OFFSET+(STACK_WIDTH/2), STACK_Y_OFFSET, STACK_WIDTH/2, STACK_LABEL_HEIGHT, True, True, False, False);
- set_color(nedsim, &color_list[nedsim->color_index].text);
char stack_size[11];
snprintf(stack_size, sizeof(stack_size), "0x%08X", nedsim->nedstate->active_thread->sp);
- int text_x_size, text_y_size;
- get_text_size(nedsim, stack_size, &text_x_size, &text_y_size);
- int local_y_offset = ((STACK_LABEL_HEIGHT * nedsim->cell_size) - text_y_size) / 2;
- XDrawString(nedsim->dpy, nedsim->panel, nedsim->gc, ((STACK_X_OFFSET + 1 + (STACK_WIDTH / 2)) * nedsim->cell_size + nedsim->origin_x_offset),
- ((STACK_Y_OFFSET+STACK_LABEL_HEIGHT) * nedsim->cell_size + nedsim->origin_y_offset - local_y_offset), stack_size, strlen(stack_size));
+ draw_text(nedsim, stack_size, (STACK_X_OFFSET+(STACK_WIDTH/2)+1), STACK_Y_OFFSET, STACK_WIDTH, STACK_LABEL_HEIGHT, False);
// Draw the heap lights.
for (i = 0; i < nedsim->num_data_rows; i++) {
int available_space_for_data_rows = nedsim->dpy_height -
(nedsim->cell_size * (HEADER_HEIGHT_IN_CELLS + FOOTER_HEIGHT_IN_CELLS));
for (int i = 0; ; i++) {
- if ((nedsim->cell_size * (1 << i)) > available_space_for_data_rows) {
- nedsim->num_data_rows = (1 << --i);
+ if ((nedsim->cell_size * i) > available_space_for_data_rows) {
+ nedsim->num_data_rows = --i;
break;
}
}