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QuelSolaar/s_text_exporter.c

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#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "seduce.h"
/*
typedef unsigned int uint;
typedef unsigned short boolean;
#define TRUE 1
#define FALSE 0
*/
#define CHARACTER_SET_SIZE 256
#define CHARACTER_SPACE_SIZE 1.0
#define CHARACTER_KERNING_DEPTH 0.9
#define CHARACTER_KERNING_SIZE 0.15
void sui_geometry_messure_font_size(float *vertex, float *min, float *max)
{
if(vertex[1] > 1.0 - CHARACTER_KERNING_SIZE)
{
if(vertex[1] < 1.001)
{
if(vertex[0] < min[1])
min[1] = vertex[0];
if(vertex[0] > max[1])
max[1] = vertex[0];
}else
{
if(vertex[0] < min[0])
min[0] = vertex[0];
if(vertex[0] > max[0])
max[0] = vertex[0];
}
}else if(vertex[1] > CHARACTER_KERNING_SIZE)
{
if(vertex[0] < min[2])
min[2] = vertex[0];
if(vertex[0] > max[2])
max[2] = vertex[0];
}else
{
if(vertex[1] > -0.001)
{
if(vertex[0] < min[3])
min[3] = vertex[0];
if(vertex[0] > max[3])
max[3] = vertex[0];
}
}
}
void sui_geometry_messure_font_poly_size(uint *ref, float *vertex, float *min, float *max)
{
float pos[2], f, fi;
uint i;
sui_geometry_messure_font_size(&vertex[ref[0] * 2], min, max);
sui_geometry_messure_font_size(&vertex[ref[1] * 2], min, max);
sui_geometry_messure_font_size(&vertex[ref[2] * 2], min, max);
for(i = 1; i < 30; i++)
{
f = (float)i / 30;
fi = 1.0 - f;
pos[0] = vertex[ref[0] * 2] * f + vertex[ref[1] * 2] * fi;
pos[1] = vertex[ref[0] * 2 + 1] * f + vertex[ref[1] * 2 + 1] * fi;
sui_geometry_messure_font_size(pos, min, max);
pos[0] = vertex[ref[1] * 2] * f + vertex[ref[2] * 2] * fi;
pos[1] = vertex[ref[1] * 2 + 1] * f + vertex[ref[2] * 2 + 1] * fi;
sui_geometry_messure_font_size(pos, min, max);
pos[0] = vertex[ref[2] * 2] * f + vertex[ref[0] * 2] * fi;
pos[1] = vertex[ref[2] * 2 + 1] * f + vertex[ref[0] * 2 + 1] * fi;
sui_geometry_messure_font_size(pos, min, max);
}
}
void sui_geometry_messure_min_max(float *min, float *max)
{
if(min[0] > min[1] + CHARACTER_KERNING_DEPTH)
min[0] = min[1] + CHARACTER_KERNING_DEPTH;
if(min[2] > min[1] + CHARACTER_KERNING_DEPTH)
min[2] = min[1] + CHARACTER_KERNING_DEPTH;
if(min[1] > min[0] + CHARACTER_KERNING_DEPTH)
min[1] = min[0] + CHARACTER_KERNING_DEPTH;
if(min[2] > min[0] + CHARACTER_KERNING_DEPTH)
min[2] = min[0] + CHARACTER_KERNING_DEPTH;
if(min[1] > min[2] + CHARACTER_KERNING_DEPTH)
min[1] = min[2] + CHARACTER_KERNING_DEPTH;
if(min[0] > min[2] + CHARACTER_KERNING_DEPTH)
min[0] = min[2] + CHARACTER_KERNING_DEPTH;
if(min[0] > min[3] + CHARACTER_KERNING_DEPTH)
min[0] = min[3] + CHARACTER_KERNING_DEPTH;
if(min[1] > min[3] + CHARACTER_KERNING_DEPTH)
min[1] = min[3] + CHARACTER_KERNING_DEPTH;
if(min[2] > min[3] + CHARACTER_KERNING_DEPTH)
min[2] = min[3] + CHARACTER_KERNING_DEPTH;
if(min[3] > min[0] + CHARACTER_KERNING_DEPTH)
min[3] = min[0] + CHARACTER_KERNING_DEPTH;
if(min[3] > min[1] + CHARACTER_KERNING_DEPTH)
min[3] = min[1] + CHARACTER_KERNING_DEPTH;
if(min[3] > min[2] + CHARACTER_KERNING_DEPTH)
min[3] = min[2] + CHARACTER_KERNING_DEPTH;
if(max[0] < max[1] - CHARACTER_KERNING_DEPTH)
max[0] = max[1] - CHARACTER_KERNING_DEPTH;
if(max[2] < max[1] - CHARACTER_KERNING_DEPTH)
max[2] = max[1] - CHARACTER_KERNING_DEPTH;
if(max[1] < max[0] - CHARACTER_KERNING_DEPTH)
max[1] = max[0] - CHARACTER_KERNING_DEPTH;
if(max[2] < max[0] - CHARACTER_KERNING_DEPTH)
max[2] = max[0] - CHARACTER_KERNING_DEPTH;
if(max[1] < max[2] - CHARACTER_KERNING_DEPTH)
max[1] = max[2] - CHARACTER_KERNING_DEPTH;
if(max[0] < max[2] - CHARACTER_KERNING_DEPTH)
max[0] = max[2] - CHARACTER_KERNING_DEPTH;
if(max[0] > max[3] + CHARACTER_KERNING_DEPTH)
max[0] = max[3] + CHARACTER_KERNING_DEPTH;
if(max[1] > max[3] + CHARACTER_KERNING_DEPTH)
max[1] = max[3] + CHARACTER_KERNING_DEPTH;
if(max[2] > max[3] + CHARACTER_KERNING_DEPTH)
max[2] = max[3] + CHARACTER_KERNING_DEPTH;
if(max[3] > max[0] + CHARACTER_KERNING_DEPTH)
max[3] = max[0] + CHARACTER_KERNING_DEPTH;
if(max[3] > max[1] + CHARACTER_KERNING_DEPTH)
max[3] = max[1] + CHARACTER_KERNING_DEPTH;
if(max[3] > max[2] + CHARACTER_KERNING_DEPTH)
max[3] = max[2] + CHARACTER_KERNING_DEPTH;
}
void sui_font_generate(void *user, char *file)
{
FILE *obj, *font;
boolean first = FALSE;
char line[512];
uint i, j, *ref, ref_length = 0, vertex_length = 0, count, line_break, junk, length[CHARACTER_SET_SIZE], start[CHARACTER_SET_SIZE];
float x, y, z, f, *vertex, max[CHARACTER_SET_SIZE][4], min[CHARACTER_SET_SIZE][4], top = -1000.0, bottom = 1000.0;
obj = fopen(file, "r");
font = fopen("sui_text_output.c", "w");
if(obj != NULL)
{
/* count all vertices and polygons */
while((fgets(line, sizeof line, obj)) != NULL)
{
if(line[0] == 118) /* v */
{
count = sscanf(line, "v %f %f %f", &x, &y, &z);
if(count == 3)
vertex_length++;
}
if(line[0] == 102) /* f */
{
count = sscanf(line, "f %u/%u %u/%u %u/%u %u/%u\n", &junk, &junk, &junk, &junk, &junk, &junk, &junk, &junk);
if(count == 6)
ref_length++;
}
}
vertex = malloc((sizeof *vertex) * vertex_length * 2);
ref = malloc((sizeof *ref) * ref_length * 3);
/* clear all the init letter sizes*/
for(i = 0; i < CHARACTER_SET_SIZE; i++)
min[i][0] = min[i][1] = min[i][2] = min[i][3] = 1000;
for(i = 0; i < CHARACTER_SET_SIZE; i++)
max[i][0] = max[i][1] = max[i][2] = max[i][3] = -1000;
for(i = 0; i < CHARACTER_SET_SIZE; i++)
length[i] = 0;
for(i = 0; i < CHARACTER_SET_SIZE; i++)
start[i] = 0;
for(i = 0; i < ref_length * 3; i++)
ref[i] = 0;
for(i = 0; i < vertex_length * 2; i++)
vertex[i] = 0;
/* read out all the vertext info */
vertex_length = 0;
ref_length = 0;
rewind(obj);
line_break = 1;
start[0] = 0;
i = 0;
while((fgets(line, sizeof line, obj)) != NULL)
{
if(line[0] == 103) /* g */
{
char string[512];
uint length;
//text_931_1
count = sscanf(line, "g Trim_%u", &i);
i = i % 256;
start[i] = ref_length * 3;
}
if(line[0] == 118) /* v */
{
count = sscanf(line, "v %f %f %f", &x, &y, &z);
if(count == 3)
{
vertex[vertex_length * 2 + 0] = x;
vertex[vertex_length * 2 + 1] = y;
vertex_length++;
}
}
else if(line[0] == 102) /* f */
{
count = sscanf(line, "f %u/%u %u/%u %u/%u %u/%u\n", &ref[ref_length * 3 + 0], &junk, &ref[ref_length * 3 + 1], &junk, &ref[ref_length * 3 + 2], &junk, &junk, &junk);
if(count == 6)
{
length[i] += 3;
ref[ref_length * 3 + 0]--;
ref[ref_length * 3 + 1]--;
ref[ref_length * 3 + 2]--;
ref_length++;
}
}
}
/* for(i = 0; i < 256; i++)
fprintf(font, "%u\n", length[i]);
fprintf(font, "------------------------------------------------------------------------------------------------\n");
for(i = 0; i < ref_length * 3; i++)
fprintf(font, "%u\n", ref[i]);
fprintf(font, "------------------------------------------------------------------------------------------------\n");
for(i = 0; i < vertex_length * 2; i++)
fprintf(font, "%f\n", vertex[i]);
fprintf(font, "------------------------------------------------------------------------------------------------\n");
*/
top = bottom = vertex[ref[start[118]] * 2 + 1];
for(j = 1; j < length[118]; j++)
{
if(vertex[ref[start[118] + j] * 2 + 1] > top)
top = vertex[ref[start[118] + j] * 2 + 1];
if(vertex[ref[start[118] + j] * 2 + 1] < bottom)
bottom = vertex[ref[start[118] + j] * 2 + 1];
}
for(i = 0; i < vertex_length; i++)
{
vertex[i * 2 + 0] /= top - bottom;
vertex[i * 2 + 1] = (vertex[i * 2 + 1] - bottom) / (top - bottom);
}
/* get size of font */
for(i = 0; i < CHARACTER_SET_SIZE; i++)
for(j = 0; j < length[i]; j += 3)
sui_geometry_messure_font_poly_size(&ref[start[i] + j], vertex, min[i], max[i]);
for(i = 0; i < CHARACTER_SET_SIZE; i++)
sui_geometry_messure_min_max(min[i], max[i]);
for(i = 0; i < CHARACTER_SET_SIZE; i++)
{
if(length[i] > 0)
{
fprintf(font, "unsigned int sui_font_ref_array_%u[%u] = {%u", i, length[i], ref[start[i]]);
for(j = 1; j < length[i]; j++)
{
fprintf(font, ", %u", ref[start[i] + j]);
if(j % 30 == 21)
fprintf(font, "\n");
}
fprintf(font, "};\n\n");
}
}
/* move / scale all letters */
for(i = 0; i < CHARACTER_SET_SIZE; i++)
{
uint i_max, i_min;
if(length[i] > 0)
{
i_max = i_min = ref[start[i]];
for(j = 1; j < length[i]; j++)
{
if(ref[start[i] + j] > i_max)
i_max = ref[start[i] + j];
if(ref[start[i] + j] < i_min)
i_min = ref[start[i] + j];
}
f = min[i][0];
if(min[i][1] < f)
f = min[i][1];
if(min[i][2] < f)
f = min[i][2];
if(min[i][3] < f)
f = min[i][3];
for(j = i_min; j < i_max + 1; j++)
vertex[j * 2 + 0] -= f;
}
}
/*print out vertex array */
fprintf(font, "\n\nfloat sui_font_vertex_array[%u] = {(float)%f, (float)%f", vertex_length * 2, vertex[0], vertex[1]);
for(i = 1; i < vertex_length; i++)
{
if(i % 20 == 0)
fprintf(font, "\n");
fprintf(font, ", (float)%f, (float)%f", vertex[i * 2 + 0], vertex[i * 2 + 1]);
}
fprintf(font, "};\n\n");
/* print all array_lengthes */
fprintf(font, "\n\nunsigned int sui_font_ref_size[%u] = {%u", CHARACTER_SET_SIZE, length[0]);
for(i = 1; i < CHARACTER_SET_SIZE; i++)
{
if(i % 20 == 0)
fprintf(font, "\n");
fprintf(font, ", %u", length[i]);
}
fprintf(font, "};\n\n");
/* print all leter sizes */
fprintf(font, "\n\nfloat sui_font_letter_size[%u] = {(float)0.0, (float)0.0, (float)0.0, (float)0.0, (float)%f, (float)%f, (float)%f, (float)%f", CHARACTER_SET_SIZE * 8, CHARACTER_SPACE_SIZE, CHARACTER_SPACE_SIZE, CHARACTER_SPACE_SIZE, CHARACTER_SPACE_SIZE);
for(i = 1; i < CHARACTER_SET_SIZE; i++)
{
if(i % 8 == 0)
fprintf(font, "\n");
if(max[i][1] < min[i][1])
fprintf(font, ", (float)0.0, (float)0.0, (float)0.0, (float)0.0, (float)%f, (float)%f, (float)%f, (float)%f", CHARACTER_SPACE_SIZE, CHARACTER_SPACE_SIZE, CHARACTER_SPACE_SIZE, CHARACTER_SPACE_SIZE);
else
{
f = min[i][0];
if(min[i][1] < f)
f = min[i][1];
if(min[i][2] < f)
f = min[i][2];
if(min[i][3] < f)
f = min[i][3];
fprintf(font, ", (float)%f, (float)%f, (float)%f, (float)%f, (float)%f, (float)%f, (float)%f, (float)%f", min[i][0] - f, min[i][1] - f, min[i][2] - f, min[i][3] - f, max[i][0] - f, max[i][1] - f, max[i][2] - f, max[i][3] - f);
}
}
fprintf(font, "};\n\n");
fclose(obj);
/* print init and draw func */
fprintf(font, "unsigned int *sui_font_ref_array[%u];\n\n", CHARACTER_SET_SIZE);
fprintf(font, "void seduce_font_init()\n");
fprintf(font, "{\n");
fprintf(font, "\tstatic int init = 0;\n");
fprintf(font, "\tunsigned int i;\n");
fprintf(font, "\tif(!init)\n");
fprintf(font, "\t{\n");
fprintf(font, "\t\tinit = 1;\n");
fprintf(font, "\t\tfor(i = 0; i < %i; i++)\n", CHARACTER_SET_SIZE);
fprintf(font, "\t\t\tsui_font_ref_array[i] = 0;\n");
for(i = 0; i < CHARACTER_SET_SIZE; i++)
if(length[i] > 0)
fprintf(font, "\t\tsui_font_ref_array[%u] = sui_font_ref_array_%u;\n", i, i);
fprintf(font, "\t}\n");
fprintf(font, "}\n");
font = fopen("text_output.h", "w");
fprintf(font, "float \t\t\tsui_font_vertex_array[%u];\n", vertex_length * 2);
fprintf(font, "unsigned int\t*sui_font_ref_array[%u];\n", CHARACTER_SET_SIZE);
fprintf(font, "unsigned int\t*sui_font_ref_array[%u];\n", CHARACTER_SET_SIZE);
fprintf(font, "float \t\t\tsui_font_letter_size[%u];\n", CHARACTER_SET_SIZE * 8);
}
}
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