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https://github.com/ctruLua/ctruLua.git
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b798818e99
fs.list() now returns a table with tables containing the fields "name", "fileSize", and "isDirectory"
90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include "texture_atlas.h"
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texture_atlas *texture_atlas_create(int width, int height, sf2d_texfmt format, sf2d_place place)
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{
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texture_atlas *atlas = malloc(sizeof(*atlas));
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if (!atlas)
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return NULL;
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bp2d_rectangle rect;
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rect.x = 0;
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rect.y = 0;
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rect.w = width;
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rect.h = height;
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atlas->tex = sf2d_create_texture(width, height, format, place);
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sf2d_texture_set_params(atlas->tex, GPU_TEXTURE_MAG_FILTER(GPU_LINEAR) | GPU_TEXTURE_MIN_FILTER(GPU_LINEAR));
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sf2d_texture_tile32(atlas->tex);
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atlas->bp_root = bp2d_create(&rect);
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atlas->htab = int_htab_create(256);
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return atlas;
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}
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void texture_atlas_free(texture_atlas *atlas)
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{
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sf2d_free_texture(atlas->tex);
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bp2d_free(atlas->bp_root);
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int_htab_free(atlas->htab);
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free(atlas);
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}
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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, int glyph_size)
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{
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bp2d_size size;
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size.w = width;
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size.h = height;
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bp2d_position pos;
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if (bp2d_insert(atlas->bp_root, &size, &pos) == 0)
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return 0;
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atlas_htab_entry *entry = malloc(sizeof(*entry));
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entry->rect.x = pos.x;
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entry->rect.y = pos.y;
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entry->rect.w = width;
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entry->rect.h = height;
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entry->bitmap_left = bitmap_left;
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entry->bitmap_top = bitmap_top;
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entry->advance_x = advance_x;
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entry->advance_y = advance_y;
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entry->glyph_size = glyph_size;
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int_htab_insert(atlas->htab, character, entry);
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int i, j;
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for (i = 0; i < height; i++) {
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for (j = 0; j < width; j++) {
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sf2d_set_pixel(atlas->tex, pos.x + j, pos.y + i,
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__builtin_bswap32(*(unsigned int *)(image + (j + i*width)*4)));
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}
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}
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GSPGPU_FlushDataCache(atlas->tex->data, atlas->tex->data_size);
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return 1;
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}
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int texture_atlas_exists(texture_atlas *atlas, unsigned int character)
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{
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return int_htab_find(atlas->htab, character) != NULL;
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}
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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, int *glyph_size)
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{
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atlas_htab_entry *entry = int_htab_find(atlas->htab, character);
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rect->x = entry->rect.x;
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rect->y = entry->rect.y;
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rect->w = entry->rect.w;
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rect->h = entry->rect.h;
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*bitmap_left = entry->bitmap_left;
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*bitmap_top = entry->bitmap_top;
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*advance_x = entry->advance_x;
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*advance_y = entry->advance_y;
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*glyph_size = entry->glyph_size;
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}
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