/**************************************************************************
Copies the overview image from the backing store to the window and
draws the viewrect on top of it.
**************************************************************************/
static void redraw_overview(void)
{
int i, x[4], y[4];
if (!overview.map) {
return;
}
{
struct canvas *src = overview.map, *dst = overview.window;
int x = overview.map_x0 * OVERVIEW_TILE_SIZE;
int y = overview.map_y0 * OVERVIEW_TILE_SIZE;
int ix = overview.width - x;
int iy = overview.height - y;
canvas_copy(dst, src, 0, 0, ix, iy, x, y);
canvas_copy(dst, src, 0, y, ix, 0, x, iy);
canvas_copy(dst, src, x, 0, 0, iy, ix, y);
canvas_copy(dst, src, x, y, 0, 0, ix, iy);
}
gui_to_overview_pos(tileset, &x[0], &y[0],
mapview.gui_x0, mapview.gui_y0);
gui_to_overview_pos(tileset, &x[1], &y[1],
mapview.gui_x0 + mapview.width, mapview.gui_y0);
gui_to_overview_pos(tileset, &x[2], &y[2],
mapview.gui_x0 + mapview.width,
mapview.gui_y0 + mapview.height);
gui_to_overview_pos(tileset, &x[3], &y[3],
mapview.gui_x0, mapview.gui_y0 + mapview.height);
for (i = 0; i < 4; i++) {
int src_x = x[i];
int src_y = y[i];
int dst_x = x[(i + 1) % 4];
int dst_y = y[(i + 1) % 4];
canvas_put_line(overview.window,
get_color(tileset, COLOR_OVERVIEW_VIEWRECT),
LINE_NORMAL,
src_x, src_y, dst_x - src_x, dst_y - src_y);
}
refresh_overview_from_canvas();
overview_dirty = FALSE;
}
/**************************************************************************
Copies the current centred image + viewrect unchanged to the client's
overview window (for expose events etc).
**************************************************************************/
void refresh_overview_from_canvas(void)
{
struct canvas *dest = get_overview_window();
if (!dest) {
return;
}
canvas_copy(dest, overview.window,
0, 0, 0, 0, overview.width, overview.height);
}
// Updates displayCanvas, which is backed by bufferData, after a data operation
JNIEXPORT void JNICALL Java_net_hackcasual_freeciv_NativeHarness_reloadMap
(JNIEnv *je, jobject o) {
LOGI("reloadMap displayCanvas %p data %p", displayCanvas, displayCanvas->data);
canvas_copy(displayCanvas, mapview.store, 0, 0, 0, 0, displayCanvas->width, displayCanvas->height);
}
