void draw_rectangle(int x, int y, int w, int h, Uint32 color, surface target)
{
SDL_Rect top = create_rect(x, y, w, 1);
SDL_Rect bot = create_rect(x, y + h - 1, w, 1);
SDL_Rect left = create_rect(x, y, 1, h);
SDL_Rect right = create_rect(x + w - 1, y, 1, h);
sdl::fill_rect(target,&top,color);
sdl::fill_rect(target,&bot,color);
sdl::fill_rect(target,&left,color);
sdl::fill_rect(target,&right,color);
}
void mouse_action::set_terrain_mouse_overlay(editor_display& disp, t_translation::t_terrain fg,
t_translation::t_terrain bg)
{
surface image_fg(image::get_image("terrain/"
+ disp.get_map().get_terrain_info(fg).editor_image() + ".png"));
surface image_bg(image::get_image("terrain/"
+ disp.get_map().get_terrain_info(bg).editor_image() + ".png"));
if (image_fg == NULL || image_bg == NULL) {
ERR_ED << "Missing terrain icon\n";
disp.set_mouseover_hex_overlay(NULL);
return;
}
// Create a transparent surface of the right size.
surface image = create_compatible_surface(image_fg, image_fg->w, image_fg->h);
sdl_fill_rect(image,NULL,SDL_MapRGBA(image->format,0,0,0, 0));
// For efficiency the size of the tile is cached.
// We assume all tiles are of the same size.
// The zoom factor can change, so it's not cached.
// NOTE: when zooming and not moving the mouse, there are glitches.
// Since the optimal alpha factor is unknown, it has to be calculated
// on the fly, and caching the surfaces makes no sense yet.
static const Uint8 alpha = 196;
static const int size = image_fg->w;
static const int half_size = size / 2;
static const int quarter_size = size / 4;
static const int offset = 2;
static const int new_size = half_size - 2;
const int zoom = static_cast<int>(size * disp.get_zoom_factor());
// Blit left side
image_fg = scale_surface(image_fg, new_size, new_size);
SDL_Rect rcDestLeft = create_rect(offset, quarter_size, 0, 0);
sdl_blit ( image_fg, NULL, image, &rcDestLeft );
// Blit left side
image_bg = scale_surface(image_bg, new_size, new_size);
SDL_Rect rcDestRight = create_rect(half_size, quarter_size, 0, 0);
sdl_blit ( image_bg, NULL, image, &rcDestRight );
//apply mask so the overlay is contained within the mouseover hex
image = mask_surface(image, image::get_hexmask());
// Add the alpha factor and scale the image
image = scale_surface(adjust_surface_alpha(image, alpha), zoom, zoom);
// Set as mouseover
disp.set_mouseover_hex_overlay(image);
}
void textbox::draw_contents()
{
SDL_Rect const &loc = inner_location();
surface surf = video().getSurface();
draw_solid_tinted_rectangle(loc.x,loc.y,loc.w,loc.h,0,0,0,
focus(NULL) ? alpha_focus_ : alpha_, surf);
SDL_Rect src;
if(text_image_ == NULL) {
update_text_cache(true);
}
if(text_image_ != NULL) {
src.y = yscroll_;
src.w = std::min<size_t>(loc.w,text_image_->w);
src.h = std::min<size_t>(loc.h,text_image_->h);
src.x = text_pos_;
SDL_Rect dest = screen_area();
dest.x = loc.x;
dest.y = loc.y;
// Fills the selected area
if(is_selection()) {
const int start = std::min<int>(selstart_,selend_);
const int end = std::max<int>(selstart_,selend_);
int startx = char_x_[start];
int starty = char_y_[start];
const int endx = char_x_[end];
const int endy = char_y_[end];
while(starty <= endy) {
const size_t right = starty == endy ? endx : text_image_->w;
if(right <= size_t(startx)) {
break;
}
SDL_Rect rect = create_rect(loc.x + startx
, loc.y + starty - src.y
, right - startx
, line_height_);
const clip_rect_setter clipper(surf, &loc);
Uint32 color = SDL_MapRGB(surf->format, 0, 0, 160);
fill_rect_alpha(rect, color, 140, surf);
starty += int(line_height_);
startx = 0;
}
}
sdl_blit(text_image_, &src, surf, &dest);
}
draw_cursor((cursor_pos_ == 0 ? 0 : cursor_pos_ - 1), video());
update_rect(loc);
}
static void draw_normal_geom(SkCanvas* canvas, const SkPoint& offset, int geom, bool useAA) {
SkPaint p;
p.setAntiAlias(useAA);
p.setColor(SK_ColorBLACK);
switch (geom) {
case kRect_Geometry: // fall thru
case kRectAndRect_Geometry:
canvas->drawRect(create_rect(offset), p);
break;
case kRRect_Geometry: // fall thru
case kRectAndRRect_Geometry:
canvas->drawRRect(create_rrect(offset), p);
break;
case kCircle_Geometry:
canvas->drawRRect(create_circle(offset), p);
break;
case kConvexPath_Geometry: // fall thru
case kRectAndConvex_Geometry:
canvas->drawPath(create_convex_path(offset), p);
break;
case kConcavePath_Geometry: // fall thru
case kRectAndConcave_Geometry:
canvas->drawPath(create_concave_path(offset), p);
break;
}
}
static void run_lobby_loop(display& disp, mp::ui& ui)
{
disp.video().modeChanged();
bool first = true;
font::cache_mode(font::CACHE_LOBBY);
while (ui.get_result() == mp::ui::CONTINUE) {
if (disp.video().modeChanged() || first) {
SDL_Rect lobby_pos = create_rect(0
, 0
, disp.video().getx()
, disp.video().gety());
ui.set_location(lobby_pos);
first = false;
}
// process network data first so user actions can override the result
// or uptodate data can prevent invalid actions
// i.e. press cancel while you receive [start_game] or press start game while someone leaves
ui.process_network();
events::pump();
events::raise_process_event();
events::raise_draw_event();
disp.flip();
disp.delay(20);
}
font::cache_mode(font::CACHE_GAME);
}
// ---------------------------------------------------------------------------
//
// -----------
void bToolShape::end_clic(){
bStdToolGeom::end_clic();
if(!get_use_drag()){
return;
}
if(!get_active()){
return;
}
set_use_drag(false);
set_use_track(false);
CGPoint pa,pb;
get_clic(&pa);
get_cur(&pb);
CGFloat d=CGPointsDist(&pa,&pb);
if(d<=sqrt(2)){
return;
}
clearTempPathContext(true);
validTempPathContext();
if(get_mnu_cmd()==kShapeRect){
create_rect();
}
else{
create_circle();
}
}
void slider::draw_contents()
{
surface image(state_ != NORMAL ? highlightedImage_ : image_);
if (image == NULL)
return;
SDL_Color line_color = font::NORMAL_COLOR;
if (!enabled()) {
image = greyscale_image(image);
line_color = font::DISABLED_COLOR;
}
SDL_Rect const &loc = location();
if (image->w >= loc.w)
return;
surface screen = video().getSurface();
SDL_Rect line_rect = create_rect(loc.x + image->w / 2
, loc.y + loc.h / 2
, loc.w - image->w
, 1);
sdl_fill_rect(screen, &line_rect, SDL_MapRGB(screen->format,
line_color.r, line_color.g, line_color.b));
SDL_Rect const &slider = slider_area();
video().blit_surface(slider.x, slider.y, image);
}
void draw_solid_tinted_rectangle(int x, int y, int w, int h,
int r, int g, int b,
double alpha, surface target)
{
SDL_Rect rect = create_rect(x, y, w, h);
fill_rect_alpha(rect,SDL_MapRGB(target->format,r,g,b),Uint8(alpha*255),target);
}
void CVideo::blit_surface(int x, int y, surface surf, SDL_Rect* srcrect, SDL_Rect* clip_rect)
{
surface target(getSurface());
SDL_Rect dst = create_rect(x, y, 0, 0);
const clip_rect_setter clip_setter(target, clip_rect, clip_rect != NULL);
sdl_blit(surf,srcrect,target,&dst);
}
void test(void){
struct point p1 = create_point(1,3);
struct point p2 = create_point(3,6);
struct point p3 = create_point(5,0);
struct point p4 = create_point(7,1);
checkit_int(p1.x,1);
checkit_int(p2.y,6);
struct rect r1 = create_rect(p1, 3,2);
struct rect r2 = create_rect(p2, 4,1);
struct rect r3 = create_rect(p3,1,1);
struct rect r4 = create_rect(p4,1,1);
checkit_int(r1.w, 3);
checkit_int(r2.h, 1);
checkit_double(distance(p1,p3),5);
struct rect r[3] = {r1,r2,r3};
checkit_int(largest_rect(r,3),0);
struct point p[2];
closest_corners(r1,r2,p);
checkit_int(p[0].x,4);
checkit_int(p[0].y,5);
checkit_int(p[1].x,3);
checkit_int(p[1].y,6);
struct point pt[2];
closest_corners(r2,r3,pt);
checkit_int(pt[0].x,3);
checkit_int(pt[0].y,6);
checkit_int(pt[1].x,5);
checkit_int(pt[1].y,1);
struct point pts[2];
closest_corners(r3,r4,pts);
checkit_int(pts[0].x,6);
checkit_int(pts[0].y,1);
checkit_int(pts[1].x,7);
checkit_int(pts[1].y,1);
}
internal void
make_map()
{
// Fill map with blocked tiles
for (i32 x = 0; x < MAP_WIDTH; x++) {
for (i32 y = 0; y < MAP_HEIGHT; y++) {
map[x][y].blockMovement = true;
map[x][y].blockSight = true;
}
}
// Create two rooms
map_rect room1 = create_rect(20, 15, 10, 15);
map_rect room2 = create_rect(50, 15, 10, 15);
create_room(room1);
create_room(room2);
}
surface mask_modification::operator()(const surface& src) const
{
if(src->w == mask_->w && src->h == mask_->h && x_ == 0 && y_ == 0)
return mask_surface(src, mask_);
SDL_Rect r = create_rect(x_, y_, 0, 0);
surface new_mask = create_neutral_surface(src->w, src->h);
blit_surface(mask_, NULL, new_mask, &r);
return mask_surface(src, new_mask);
}
surface blit_function::operator()(const surface& src) const
{
//blit_surface want neutral surfaces
surface nsrc = make_neutral_surface(src);
surface nsurf = make_neutral_surface(surf_);
SDL_Rect r = create_rect(x_, y_, 0, 0);
sdl_blit(nsurf, NULL, nsrc, &r);
return nsrc;
}
void ttexture::draw(SDL_Renderer& renderer, const int x, const int y)
{
SDL_Rect dstrect = create_rect(x, y, clip_.w * hscale_, clip_.h * vscale_);
SDL_SetTextureAlphaMod(texture_, alpha_);
SDL_SetTextureColorMod(texture_, mod_r_, mod_g_, mod_b_);
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, smooth_scaling_ ? "linear" : "nearest");
SDL_RenderCopyEx(&renderer, texture_, &clip_, &dstrect,
rotation_, NULL, flip_);
}
void loadscreen::clear_screen()
{
int scrx = screen_.getx(); //< Screen width.
int scry = screen_.gety(); //< Screen height.
SDL_Rect area = create_rect(0, 0, scrx, scry); // Screen area.
surface disp(screen_.getSurface()); // Screen surface.
// Make everything black.
sdl_fill_rect(disp,&area,SDL_MapRGB(disp->format,0,0,0));
screen_.flip();
}
SDL_Rect slider::slider_area() const
{
static const SDL_Rect default_value = {0,0,0,0};
SDL_Rect const &loc = location();
if (image_.null() || image_->w >= loc.w)
return default_value;
int xpos = loc.x + (value_ - min_) *
static_cast<int>(loc.w - image_->w) / (max_ - min_);
return create_rect(xpos, loc.y, image_->w, image_->h);
}
SDL_Rect scrollbar::grip_area() const
{
SDL_Rect const &loc = groove_area();
if (full_height_ == grip_height_)
return loc;
int h = static_cast<int>(loc.h) * grip_height_ / full_height_;
if (h < minimum_grip_height_)
h = minimum_grip_height_;
int y = loc.y + (static_cast<int>(loc.h) - h) * grip_position_ / (full_height_ - grip_height_);
return create_rect(loc.x, y, loc.w, h);
}
void textbox::draw_cursor(int pos, CVideo &video) const
{
if(show_cursor_ && editable_) {
SDL_Rect rect = create_rect(location().x + pos
, location().y
, 1
, location().h);
surface frame_buffer = video.getSurface();
sdl_fill_rect(frame_buffer,&rect,SDL_MapRGB(frame_buffer->format,255,255,255));
}
}
void ttexture::initialise_from_surface(SDL_Renderer& renderer, const int access)
{
if(access == SDL_TEXTUREACCESS_STATIC) {
texture_ = SDL_CreateTextureFromSurface(&renderer, source_surface_);
if(texture_ == NULL) {
throw texception("Failed to create SDL_Texture object.", true);
}
clip_ = create_rect(0, 0, source_surface_->w, source_surface_->h);
SDL_FreeSurface(source_surface_);
source_surface_ = NULL;
} else if(access == SDL_TEXTUREACCESS_STREAMING) {
texture_ = SDL_CreateTexture(&renderer,
source_surface_->format->format,
SDL_TEXTUREACCESS_STREAMING,
source_surface_->w,
source_surface_->h);
if(texture_ == NULL) {
throw texception("Failed to create SDL_Texture object.", true);
}
clip_ = create_rect(0, 0, source_surface_->w, source_surface_->h);
const int update = SDL_UpdateTexture(texture_,
NULL,
source_surface_->pixels,
source_surface_->pitch);
if(update != 0) {
throw texception("Failed to update the SDL_Texture object during "
"its construction.",
true);
}
} else {
throw texception("Unknown texture access mode.", false);
}
SDL_SetTextureBlendMode(texture_, SDL_BLENDMODE_BLEND);
}
void floating_textbox::update_location(game_display& gui)
{
if (box_ == NULL)
return;
const SDL_Rect& area = gui.map_outside_area();
const int border_size = 10;
const int ypos = area.y+area.h-30 - (check_ != NULL ? check_->height() + border_size : 0);
if (label_ != 0)
font::remove_floating_label(label_);
font::floating_label flabel(label_string_);
flabel.set_color(font::YELLOW_COLOR);
flabel.set_position(area.x + border_size, ypos);
flabel.set_alignment(font::LEFT_ALIGN);
flabel.set_clip_rect(area);
label_ = font::add_floating_label(flabel);
if (label_ == 0)
return;
const SDL_Rect& label_area = font::get_floating_label_rect(label_);
const int textbox_width = area.w - label_area.w - border_size*3;
if(textbox_width <= 0) {
font::remove_floating_label(label_);
return;
}
if(box_ != NULL) {
box_->set_volatile(true);
const SDL_Rect rect = create_rect(
area.x + label_area.w + border_size * 2
, ypos
, textbox_width
, box_->height());
box_->set_location(rect);
}
if(check_ != NULL) {
check_->set_volatile(true);
check_->set_location(box_->location().x,box_->location().y + box_->location().h + border_size);
}
}
void drawClippedGeom(SkCanvas* canvas, const SkPoint& offset, bool useAA) {
int count = canvas->save();
switch (fGeom) {
case kRect_Geometry:
canvas->clipRect(create_rect(offset), SkRegion::kReplace_Op, useAA);
break;
case kRRect_Geometry:
canvas->clipRRect(create_rrect(offset), SkRegion::kReplace_Op, useAA);
break;
case kCircle_Geometry:
canvas->clipRRect(create_circle(offset), SkRegion::kReplace_Op, useAA);
break;
case kConvexPath_Geometry:
canvas->clipPath(create_convex_path(offset), SkRegion::kReplace_Op, useAA);
break;
case kConcavePath_Geometry:
canvas->clipPath(create_concave_path(offset), SkRegion::kReplace_Op, useAA);
break;
case kRectAndRect_Geometry: {
SkRect r = create_rect(offset);
r.offset(fSign * kXlate, fSign * kXlate);
canvas->clipRect(r, SkRegion::kReplace_Op, true); // AA here forces shader clips
canvas->clipRect(create_rect(offset), SkRegion::kIntersect_Op, useAA);
} break;
case kRectAndRRect_Geometry: {
SkRect r = create_rect(offset);
r.offset(fSign * kXlate, fSign * kXlate);
canvas->clipRect(r, SkRegion::kReplace_Op, true); // AA here forces shader clips
canvas->clipRRect(create_rrect(offset), SkRegion::kIntersect_Op, useAA);
} break;
case kRectAndConvex_Geometry: {
SkRect r = create_rect(offset);
r.offset(fSign * kXlate, fSign * kXlate);
canvas->clipRect(r, SkRegion::kReplace_Op, true); // AA here forces shader clips
canvas->clipPath(create_convex_path(offset), SkRegion::kIntersect_Op, useAA);
} break;
case kRectAndConcave_Geometry: {
SkRect r = create_rect(offset);
r.offset(fSign * kXlate, fSign * kXlate);
canvas->clipRect(r, SkRegion::kReplace_Op, true); // AA here forces shader clips
canvas->clipPath(create_concave_path(offset), SkRegion::kIntersect_Op, useAA);
} break;
}
SkISize size = canvas->getDeviceSize();
SkRect bigR = SkRect::MakeWH(SkIntToScalar(size.width()), SkIntToScalar(size.height()));
SkPaint p;
p.setColor(SK_ColorRED);
canvas->drawRect(bigR, p);
canvas->restoreToCount(count);
}
void undraw(surface screen)
{
if(use_color_cursors() == false) {
return;
}
if(cursor_buf == NULL) {
return;
}
SDL_Rect area = create_rect(cursor_x - shift_x[current_cursor]
, cursor_y - shift_y[current_cursor]
, cursor_buf->w
, cursor_buf->h);
sdl_blit(cursor_buf,NULL,screen,&area);
update_rect(area);
}
BOOST_FOREACH(mouse_action_map::value_type a, mouse_actions_) {
if (a.second->toolbar_button() != NULL) {
SDL_Rect r = a.second->toolbar_button()->location(gui_.screen_area());
SDL_Rect outline = create_rect(r.x - 2, r.y - 2, r.h + 4, r.w + 4);
//TODO comment or remove
//outline = intersect_rects(r, gui().screen_area());
surface screen = gui_.video().getSurface();
Uint32 color;
if (a.second == mouse_action_) {
color = SDL_MapRGB(screen->format, 0xFF, 0x00, 0x00);
} else {
color = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
}
draw_rectangle(outline.x, outline.y, outline.w, outline.h, color, screen);
update_rect(outline);
}
}
surface blit_modification::operator()(const surface& src) const
{
if(x_ >= src->w) {
std::stringstream sstr;
sstr << "~BLIT(): x-coordinate '"
<< x_ << "' larger than destination image's width '"
<< src->w << "' no blitting performed.\n";
throw texception(sstr);
}
if(y_ >= src->h) {
std::stringstream sstr;
sstr << "~BLIT(): y-coordinate '"
<< y_ << "' larger than destination image's height '"
<< src->h << "' no blitting performed.\n";
throw texception(sstr);
}
if(surf_->w + x_ > src->w) {
std::stringstream sstr;
sstr << "~BLIT(): offset and width '"
<< x_ + surf_->w << "' larger than destination image's width '"
<< src->w << "' no blitting performed.\n";
throw texception(sstr);
}
if(surf_->h + y_ > src->h) {
std::stringstream sstr;
sstr << "~BLIT(): offset and height '"
<< y_ + surf_->h << "' larger than destination image's height '"
<< src->h << "' no blitting performed.\n";
throw texception(sstr);
}
//blit_surface want neutral surfaces
surface nsrc = make_neutral_surface(src);
surface nsurf = make_neutral_surface(surf_);
SDL_Rect r = create_rect(x_, y_, 0, 0);
blit_surface(nsurf, NULL, nsrc, &r);
return nsrc;
}
static void show_tooltip(const tooltip& tip)
{
if(video_ == NULL) {
return;
}
clear_tooltip();
const SDL_Color bgcolor = {0,0,0,160};
#if defined(_KINGDOM_EXE) || !defined(_WIN32)
SDL_Rect area = screen_area();
#else
SDL_Rect area = create_rect(0, 0, 800, 600);
#endif
unsigned int border = 10;
font::floating_label flabel(tip.message);
flabel.set_font_size(font_size);
flabel.set_color(font::NORMAL_COLOR);
flabel.set_clip_rect(area);
flabel.set_width(text_width);
flabel.set_bg_color(bgcolor);
flabel.set_border_size(border);
tooltip_handle = font::add_floating_label(flabel);
SDL_Rect rect = font::get_floating_label_rect(tooltip_handle);
//see if there is enough room to fit it above the tip area
if(tip.rect.y > rect.h) {
rect.y = tip.rect.y - rect.h;
} else {
rect.y = tip.rect.y + tip.rect.h;
}
rect.x = tip.rect.x;
if(rect.x < 0) {
rect.x = 0;
} else if(rect.x + rect.w > area.w) {
rect.x = area.w - rect.w;
}
font::move_floating_label(tooltip_handle,rect.x,rect.y);
}
// @draw_area_unit[OUT]: units_from_rect fill valid units to it.
// return value
// size of filled units
// remark:
// 1)unit overlapped multi-grid, return center loc only
size_t base_map::units_from_rect(base_unit** draw_area_unit, const rect_of_hexes& draw_area_rect)
{
size_t draw_area_unit_size = 0;
int draw_area_min_x = std::max(0, draw_area_rect.left);
int draw_area_max_x = std::min(gmap_.w() - 1, draw_area_rect.right);
int draw_area_min_y[2], draw_area_max_y[2];
draw_area_min_y[0] = std::max(0, draw_area_rect.top[0]);
draw_area_min_y[1] = std::max(0, draw_area_rect.top[1]);
draw_area_max_y[0] = std::min(gmap_.h() - 1, draw_area_rect.bottom[0]);
draw_area_max_y[1] = std::min(gmap_.h() - 1, draw_area_rect.bottom[1]);
if (consistent_) {
std::set<const base_unit*> calculated;
for (int x = draw_area_min_x; x <= draw_area_max_x; x ++) {
for (int y = draw_area_min_y[x & 1]; y <= draw_area_max_y[x & 1]; y ++) {
base_unit* u = coor_map_[index(x, y)].base;
if (u && !calculated.count(u)) {
calculated.insert(u);
draw_area_unit[draw_area_unit_size ++] = u;
}
u = coor_map_[index(x, y)].overlay;
if (u && !calculated.count(u)) {
calculated.insert(u);
draw_area_unit[draw_area_unit_size ++] = u;
}
}
}
} else {
display& disp = controller_.get_display();
int zoom = disp.hex_size();
SDL_Rect rect = create_rect(draw_area_min_x * zoom, draw_area_min_y[0] * zoom,
(draw_area_max_x - draw_area_min_x + 1) * zoom,
(draw_area_max_y[0] - draw_area_min_y[0] + 1) * zoom);
for (int i = 0; i < map_vsize_; i ++) {
base_unit* u = map_[i];
if (rects_overlap(u->get_rect(), rect)) {
draw_area_unit[draw_area_unit_size ++] = u;
}
}
}
return draw_area_unit_size;
}
void mouse_action_starting_position::set_mouse_overlay(editor_display& disp)
{
surface image60 = image::get_image("icons/action/editor-tool-starting-position_60.png");
//TODO avoid hardcoded hex field size
surface image = create_neutral_surface(72,72);
SDL_Rect r = create_rect(6, 6, 0, 0);
blit_surface(image60, NULL, image, &r);
Uint8 alpha = 196;
int size = image->w;
int zoom = static_cast<int>(size * disp.get_zoom_factor());
// Add the alpha factor and scale the image
image = scale_surface(adjust_surface_alpha(image, alpha), zoom, zoom);
disp.set_mouseover_hex_overlay(image);
}
void cutter::add_sub_image(const surface &surf, surface_map &map, const config* config)
{
const std::string name = (*config)["name"];
if(name.empty())
throw exploder_failure("Un-named sub-image");
if(masks_.find(name) == masks_.end())
throw exploder_failure("Unable to find mask corresponding to " + name);
const cutter::mask& mask = masks_[name];
std::vector<std::string> pos = utils::split((*config)["pos"]);
if(pos.size() != 2)
throw exploder_failure("Invalid position " + (*config)["pos"].str());
int x = atoi(pos[0].c_str());
int y = atoi(pos[1].c_str());
const SDL_Rect cut = create_rect(x - mask.shift.x
, y - mask.shift.y
, mask.image->w
, mask.image->h);
typedef std::pair<std::string, positioned_surface> sme;
positioned_surface ps;
ps.image = surface(::cut_surface(surf, cut));
if(ps.image == NULL)
throw exploder_failure("Unable to cut surface!");
ps.name = name;
ps.mask = mask;
ps.pos.x = x - mask.shift.x;
ps.pos.y = y - mask.shift.y;
map.insert(sme(name, ps));
if(verbose_) {
std::cerr << "Extracting sub-image " << name << ", position (" << x << ", " << y << ")\n";
}
}
void textbox::append_text(const std::string& text, bool auto_scroll, const SDL_Color& color)
{
if(text_image_.get() == NULL) {
set_text(text, color);
return;
}
//disallow adding multi-line text to a single-line text box
if(wrap_ == false && std::find_if(text.begin(),text.end(),utils::isnewline) != text.end()) {
return;
}
const bool is_at_bottom = get_position() == get_max_position();
const wide_string& wtext = utils::string_to_wstring(text);
const surface new_text = add_text_line(wtext, color);
surface new_surface = create_compatible_surface(text_image_,std::max<size_t>(text_image_->w,new_text->w),text_image_->h+new_text->h);
SDL_SetAlpha(new_text.get(),0,0);
SDL_SetAlpha(text_image_.get(),0,0);
sdl_blit(text_image_,NULL,new_surface,NULL);
SDL_Rect target = create_rect(0
, text_image_->h
, new_text->w
, new_text->h);
sdl_blit(new_text,NULL,new_surface,&target);
text_image_.assign(new_surface);
text_.resize(text_.size() + wtext.size());
std::copy(wtext.begin(),wtext.end(),text_.end()-wtext.size());
set_dirty(true);
update_text_cache(false);
if(auto_scroll && is_at_bottom) scroll_to_bottom();
handle_text_changed(text_);
}
void effect::unrender()
{
if (!surf_ || !buffer_) {
return;
}
surface screen = disp->get_screen_surface();
SDL_Rect clip_rect = disp->map_outside_area();
const clip_rect_setter clip_setter(screen, &clip_rect);
// Due to scrolling, the location of the rendered halo
// might have changed; recalculate
const map_location zero_loc(0,0);
const int screenx = disp->get_location_x(zero_loc);
const int screeny = disp->get_location_y(zero_loc);
const int xpos = x_ + screenx - surf_->w/2;
const int ypos = y_ + screeny - surf_->h/2;
SDL_Rect rect = create_rect(xpos, ypos, surf_->w, surf_->h);
sdl_blit(buffer_,NULL,screen,&rect);
}