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#include <stdlib.h>
#include <stdio.h>
#include "render_text.h"
void char_width_init (int *char_width) {
for (int i=0; i<128; char_width[i++]=5);
char_width['('] = 2; char_width[')'] = 2;
char_width['['] = 2; char_width[']'] = 2;
char_width['{'] = 3; char_width['}'] = 3;
char_width[','] = 1; char_width['-'] = 3; char_width['.'] = 1;
char_width['/'] = 4; char_width['!'] = 1;
char_width[':'] = 1; char_width[';'] = 1;
char_width['%'] = 4;
char_width['<'] = 3; char_width['>'] = 3; char_width['='] = 4;
char_width['I'] = 1;
char_width['f'] = 4; char_width['i'] = 1; char_width['j'] = 3;
char_width['l'] = 1; char_width['k'] = 4; char_width['t'] = 4;
}
int get_text_width (char str[], txtd *t) {
int width = 0;
for (int i=0; str[i]!='\0'; i++) {
width += t->cw[str[i]];
if (str[i+1]!='\0') width++;
}
return width;
}
void render_text (SDL_Renderer* gRenderer, char str[], float off[], txtd *t)
{
int width = 0;
for (int i=0; str[i]!='\0'; i++) {
int char_i = str[i];
SDL_Rect srcRect = { (char_i%32)*6+1, (char_i/32)*12+1, 5, 11 };
SDL_Rect dstRect = { off[0]+width, off[1], 5, 11 };
SDL_RenderCopy(gRenderer, t->tex, &srcRect, &dstRect);
width += t->cw[char_i]+1;
}
}
void render_text_scaled (SDL_Renderer* rend, char str[],
float off[], txtd *t, float scale)
{
int width = 0;
for (int i=0; str[i]!='\0'; i++) {
int char_i = str[i];
SDL_Rect srcRect = { (char_i%32)*6+1, (char_i/32)*12+1, 5, 11 };
SDL_Rect dstRect = { off[0]+width, off[1], 5*scale, 11*scale };
SDL_RenderCopy(rend, t->tex, &srcRect, &dstRect);
width += t->cw[char_i]*scale+1*scale;
}
}
void render_text_small (SDL_Renderer* rend, char str[], float off[], txtd *t)
{
int width = 0;
for (int i=0; str[i]!='\0'; i++) {
int char_i = str[i];
SDL_Rect srcRect = { (char_i%32)*5+1, (char_i/32)*7+1, 4, 6 };
SDL_Rect dstRect = { off[0]+width, off[1], 4, 6 };
SDL_RenderCopy(rend, t->tex_small, &srcRect, &dstRect);
width += 5;
}
}
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