#include <cstdlib>
#include <cstring>
-#include "app/globals.h"
-#include "video/screen.h"
-#include "video/font.h"
-#include "video/drawing_context.h"
-#include "utils/lispreader.h"
+#include "../app/globals.h"
+#include "../video/screen.h"
+#include "../video/font.h"
+#include "../video/drawing_context.h"
+#include "../utils/lispreader.h"
using namespace SuperTux;
}
float
+Font::get_text_width(const std::string& text) const
+{
+ /** Let's calculate the size of the biggest paragraph */
+ std::string::size_type l, hl;
+ hl = 0; l = -1;
+ while(true)
+ {
+ l = text.find("\n", l+1);
+ if(l == std::string::npos)
+ break;
+ if(hl < l)
+ hl = l;
+ }
+ if(hl == 0)
+ hl = text.size();
+
+ return hl * w;
+}
+
+float
+Font::get_text_height(const std::string& text) const
+{
+ /** Let's calculate height of the text */
+ std::string::size_type l, hh;
+ hh = h; l = -1;
+ while(true)
+ {
+ l = text.find("\n", l+1);
+ if(l == (int)std::string::npos)
+ break;
+ hh += h + 2;
+ }
+
+ return hh;
+}
+
+float
Font::get_height() const
{
return h;
}
-float
-Font::get_text_width(const std::string& text) const
+void
+Font::draw(const std::string& text, const Vector& pos_, int allignment, Uint32 drawing_effect, int alpha)
{
- return text.size() * w;
+ // calculate X positions based on the allignment type
+ Vector pos = Vector(pos_);
+ if(allignment == CENTER_ALLIGN)
+ pos.x -= get_text_width(text) / 2;
+ else if(allignment == RIGHT_ALLIGN)
+ pos.x -= get_text_width(text);
+
+ /* Cut lines changes into seperate strings, needed to support center/right text
+ allignments with break lines.
+ Feel free to replace this hack with a more elegant solution
+ */
+ char temp[1024];
+ std::string::size_type l, i, y;
+ i = y = 0;
+
+ while(true)
+ {
+ l = text.find("\n", i);
+ if(l == std::string::npos)
+ {
+ temp[text.copy(temp, text.size() - i, i)] = '\0';
+ draw_text(temp, pos + Vector(0,y), drawing_effect, alpha);
+ break;
+ }
+ temp[text.copy(temp, l - i, i)] = '\0';
+ draw_text(temp, pos + Vector(0,y), drawing_effect, alpha);
+
+ i = l+1;
+ y += h + 2;
+ }
}
void
-Font::draw(const std::string& text, const Vector& pos, Uint32 drawing_effect)
+Font::draw_text(const std::string& text, const Vector& pos, Uint32 drawing_effect, int alpha)
{
if(shadowsize > 0)
draw_chars(shadow_chars, text, pos + Vector(shadowsize, shadowsize),
- drawing_effect);
+ drawing_effect, alpha);
- draw_chars(chars, text, pos, drawing_effect);
+ draw_chars(chars, text, pos, drawing_effect, alpha);
}
void
Font::draw_chars(Surface* pchars, const std::string& text, const Vector& pos,
- Uint32 drawing_effect)
+ Uint32 drawing_effect, int alpha)
{
SurfaceImpl* impl = pchars->impl;
int source_x = (index % 16) * w;
int source_y = (index / 16) * h;
- impl->draw_part(source_x, source_y, p.x, p.y, w, h, 255, drawing_effect);
+ impl->draw_part(source_x, source_y, p.x, p.y, w, h, alpha, drawing_effect);
p.x += w;
}
}
#define SCROLL 60
#define ITEMS_SPACE 4
-void SuperTux::display_text_file(const std::string& file, float scroll_speed)
+void SuperTux::display_text_file(const std::string& file, float scroll_speed, Font* heading_font, Font* normal_font, Font* small_font, Font* reference_font )
{
std::string text;
std::vector<std::string> names;
// Split text string lines into a vector
names.clear();
- unsigned int i, l;
+ std::string::size_type i, l;
i = 0;
while(true)
{
float y = 0;
for(size_t i = 0; i < names.size(); i++) {
if(names[i].size() == 0) {
- y += white_text->get_height() + ITEMS_SPACE;
+ y += normal_font->get_height() + ITEMS_SPACE;
continue;
}
Font* font = 0;
switch(names[i][0])
{
- case ' ': font = white_small_text; break;
- case '\t': font = white_text; break;
- case '-': font = white_big_text; break;
- case '*': font = blue_text; break;
- default: font = blue_text; break;
+ case ' ': font = small_font; break;
+ case '\t': font = normal_font; break;
+ case '-': font = heading_font; break;
+ case '*': font = reference_font; break;
+ default: font = reference_font; break;
}
- context.draw_text_center(font,
+ context.draw_text(font,
names[i].substr(1, names[i].size()-1),
- Vector(0, screen->h + y - scroll), LAYER_FOREGROUND1);
+ Vector(screen->w/2, screen->h + y - scroll), CENTER_ALLIGN, LAYER_FOREGROUND1);
y += font->get_height() + ITEMS_SPACE;
}