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Support for special characters in gfx.text; added scrolling to the default shell; updated sftdlib.

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There is a known bug with different text size in sftdlib.
This commit is contained in:
Reuh 2015-08-22 16:45:32 +02:00
parent 56b47153b7
commit 2a5513473d
10 changed files with 516 additions and 39 deletions
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86
libs/sftdlib/libsftd/source/texture_atlas.c Normal file
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#include <stdlib.h>
#include <string.h>
#include "texture_atlas.h"
texture_atlas *texture_atlas_create(int width, int height, sf2d_texfmt format, sf2d_place place)
{
texture_atlas *atlas = malloc(sizeof(*atlas));
if (!atlas)
return NULL;
bp2d_rectangle rect;
rect.x = 0;
rect.y = 0;
rect.w = width;
rect.h = height;
atlas->tex = sf2d_create_texture(width, height, format, place);
sf2d_texture_tile32(atlas->tex);
atlas->bp_root = bp2d_create(&rect);
atlas->htab = int_htab_create(256);
return atlas;
}
void texture_atlas_free(texture_atlas *atlas)
{
sf2d_free_texture(atlas->tex);
bp2d_free(atlas->bp_root);
int_htab_free(atlas->htab);
free(atlas);
}
int texture_atlas_insert(texture_atlas *atlas, unsigned int character, const void *image, int width, int height, int bitmap_left, int bitmap_top, int advance_x, int advance_y)
{
bp2d_size size;
size.w = width;
size.h = height;
bp2d_position pos;
if (bp2d_insert(atlas->bp_root, &size, &pos) == 0)
return 0;
atlas_htab_entry *entry = malloc(sizeof(*entry));
entry->rect.x = pos.x;
entry->rect.y = pos.y;
entry->rect.w = width;
entry->rect.h = height;
entry->bitmap_left = bitmap_left;
entry->bitmap_top = bitmap_top;
entry->advance_x = advance_x;
entry->advance_y = advance_y;
int_htab_insert(atlas->htab, character, entry);
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
sf2d_set_pixel(atlas->tex, pos.x + j, pos.y + i, *(unsigned int *)(image + (j + i*width)*4));
}
}
GSPGPU_FlushDataCache(NULL, atlas->tex->data, atlas->tex->data_size);
return 1;
}
int texture_atlas_exists(texture_atlas *atlas, unsigned int character)
{
return int_htab_find(atlas->htab, character) != NULL;
}
void texture_atlas_get(texture_atlas *atlas, unsigned int character, bp2d_rectangle *rect, int *bitmap_left, int *bitmap_top, int *advance_x, int *advance_y)
{
atlas_htab_entry *entry = int_htab_find(atlas->htab, character);
rect->x = entry->rect.x;
rect->y = entry->rect.y;
rect->w = entry->rect.w;
rect->h = entry->rect.h;
*bitmap_left = entry->bitmap_left;
*bitmap_top = entry->bitmap_top;
*advance_x = entry->advance_x;
*advance_y = entry->advance_y;
}