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#include <boost/algorithm/string.hpp>
#include "asserts.hpp"
#include "font.hpp"
#include "i18n.hpp"
#include "raster.hpp"
#include "string_utils.hpp"
#include "vector_text.hpp"
namespace gui {
vector_text::vector_text(const variant& node)
: text_(i18n::tr(node["text"].as_string())),
visible_(node["visible"].as_bool(true)),
size_(node["size"].as_int(12)),
font_(node["font"].as_string_default("FreeMono"))
{
std::vector<int> r = node["rect"].as_list_int();
draw_area_ = rect(r[0], r[1], r[2], r[3]);
if(node.has_key("color")) {
set_color(node["color"]);
} else {
color_ = graphics::color(255,255,255,255).as_sdl_color();
}
if(node.has_key("align")) {
std::string align = node["align"].as_string();
if(align == "left") {
align_ = ALIGN_LEFT;
} else if(align == "center" || align == "centre") {
align_ = ALIGN_CENTER;
} else if(align == "right") {
align_ = ALIGN_RIGHT;
} else {
ASSERT_LOG(false, "Invalid value for \"align\" attribute: " << align);
}
} else {
align_ = ALIGN_LEFT;
}
recalculate_texture();
}
void vector_text::handle_draw() const
{
foreach(const offset_texture& tex, textures_) {
graphics::blit_texture(tex.first, x() + tex.second.x, y() + tex.second.y);
}
}
void vector_text::recalculate_texture()
{
textures_.clear();
size_t tex_y = 0;
int letter_size = font::char_width(size());
std::vector<std::string> lines;
if(text_.find('\n') == std::string::npos) {
std::vector<std::string> words;
boost::split(words, text_, std::bind2nd(std::equal_to<char>(), ' '));
size_t current_line_length = 0;
std::string current_line;
foreach(const std::string& word, words) {
if(current_line_length + (word.length() + 1) * letter_size < width()) {
current_line_length += (word.length() + 1) * letter_size;
current_line += (current_line.empty() ? "" : " ") + word;
} else {
lines.push_back(current_line);
current_line = word;
current_line_length = word.length() * letter_size;
}
}
if(current_line.empty() == false) {
lines.push_back(current_line);
}
} else {
lines = util::split(text_, '\n');
}
foreach(const std::string line, lines) {
if(tex_y < height()) {
graphics::texture tex = font::render_text(line, color_, size_);
if(align_ == ALIGN_LEFT) {
textures_.push_back(offset_texture(tex, point(0,tex_y)));
} else if(align_ == ALIGN_CENTER) {
textures_.push_back(offset_texture(tex, point((width() - tex.width())/2,tex_y)));
} else {
textures_.push_back(offset_texture(tex, point(width() - tex.width(),tex_y)));
}
tex_y += tex.height();
} else {
std::cerr << "vector_text::recalculate_texture(): Ignored line: \""
<< line << "\" line is outside the maximum area" << std::endl;
}
}
}
void vector_text::set_text(const std::string& txt)
{
text_ = i18n::tr(txt);
recalculate_texture();
}
void vector_text::set_font(const std::string& fnt)
{
font_ = fnt;
recalculate_texture();
}
void vector_text::set_size(int size)
{
size_ = size;
recalculate_texture();
}
void vector_text::set_color(const variant& node)
{
if(node.is_string()) {
color_ = graphics::get_color_from_name(node.as_string());
} else {
color_ = graphics::color(node).as_sdl_color();
}
recalculate_texture();
}
void vector_text::set_align(const std::string& align)
{
TEXT_ALIGNMENT new_align;
if(align == "left") {
new_align = ALIGN_LEFT;
} else if(align == "center" || align == "centre") {
new_align = ALIGN_CENTER;
} else if(align == "right") {
new_align = ALIGN_RIGHT;
} else {
ASSERT_LOG(false, "Invalid value for \"align\" attribute: " << align);
}
set_align(new_align);
}
void vector_text::set_align(TEXT_ALIGNMENT align)
{
align_ = align;
recalculate_texture();
}
variant vector_text::get_value(const std::string& key) const
{
if(key == "text") {
return variant(text_);
} else if(key == "color") {
return graphics::color(color_.r, color_.g, color_.b, color_.unused).write();
} else if(key == "size") {
return variant(size_);
} else if(key == "font") {
return variant(font_);
} else if(key == "align") {
if(align_ < 0) {
return variant("left");
} else if(align_ == 0) {
return variant("center");
} else {
return variant("right");
}
} else if(key == "x") {
return variant(x());
} else if(key == "y") {
return variant(y());
} else if(key == "width") {
return variant(width());
} else if(key == "height") {
return variant(height());
}
return variant();
}
void vector_text::set_value(const std::string& key, const variant& value)
{
if(key == "text") {
set_text(value.as_string());
} else if(key == "color") {
set_color(value);
} else if(key == "size") {
set_size(value.as_int());
} else if(key == "font") {
set_font(value.as_string());
} else if(key == "align") {
set_align(value.as_string());
} else if(key == "visible") {
set_visible(value.as_bool());
} else if(key == "rect") {
std::vector<int> r = value.as_list_int();
draw_area_ = rect(r[0], r[1], r[2], r[3]);
} else if(key == "x") {
draw_area_ = rect(value.as_int(), draw_area_.y(), draw_area_.w(), draw_area_.h());
} else if(key == "y") {
draw_area_ = rect(draw_area_.x(), value.as_int(), draw_area_.w(), draw_area_.h());
} else if(key == "width") {
draw_area_ = rect(draw_area_.x(), draw_area_.y(), value.as_int(), draw_area_.h());
} else if(key == "height") {
draw_area_ = rect(draw_area_.x(), draw_area_.y(), draw_area_.w(), value.as_int());
}
}
}
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