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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "demolib_prefs.h"
#if DEMOLIB_MAINLOOP && DEMOLIB_OPENGL_FONT_TTF
#include "main/fonthandler.h"
#include "opengl/fontttf.h"
#include "exception.h"
FontHandler::FontHandler(MainLoop *ml, const char *title, const char *elem, Hashtable *attr) :
Event(ml, title, elem, attr, "xpos:ypos:red:green:blue:alpha")
{
int size;
if (attr->exists("size")) {
size = attr->get_int("size");
} else {
size = 24;
}
if (attr->exists("linedistance")) {
this->linedistance = attr->get_float("linedistance");
} else {
this->linedistance = 0.15f;
}
this->fontfile = load_file(attr->get_str("font"));
this->additive_blend = false;
if (attr->exists("blend")) {
char *str = attr->get_str("blend");
if (strcmp(str, "blend") == 0) {
this->additive_blend = false;
} else if (strcmp(str, "add") == 0) {
this->additive_blend = true;
} else {
throw new FatalException(elem, "blend= must be `blend' or `add'!");
}
}
this->num_lines = 0;
/* parse into nice parts ;-) */
char *text = strdup(attr->get_str("text"));
char *ptr = strtok(text, "|");
while (ptr) {
this->font[this->num_lines++] =
new FontTTF(fontfile, ptr, size);
ptr = strtok(NULL, "|");
}
free(text);
}
FontHandler::~FontHandler()
{
for (int i = 0; i < this->num_lines; i++) {
delete this->font[i];
this->font[i] = NULL;
}
delete this->fontfile;
this->fontfile = NULL;
}
void FontHandler::start_effect() {}
void FontHandler::draw_scene(float progress)
{
for (int i = 0; i < this->num_lines; i++) {
font[i]->draw_object(this->get_val("xpos", progress),
this->get_val("ypos", progress) + this->linedistance * i,
this->get_val("red", progress),
this->get_val("green", progress),
this->get_val("blue", progress),
this->get_val("alpha", progress),
this->additive_blend);
}
}
void FontHandler::end_effect() {}
#endif /* DEMOLIB_MAINLOOP && DEMOLIB_OPENGL_FONT_TTF */
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