awtk/tools/image_gen/image_gen.c
2020-12-03 17:19:18 +08:00

87 lines
2.5 KiB
C

/**
* File: image_gen.c
* Author: AWTK Develop Team
* Brief: bitmap image generator
*
* Copyright (c) 2018 - 2020 Guangzhou ZHIYUAN Electronics Co.,Ltd.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* License file for more details.
*
*/
/**
* History:
* ================================================================
* 2018-01-27 Li XianJing <xianjimli@hotmail.com> created
*
*/
#include "tkc/mem.h"
#include "tkc/utils.h"
#include "common/utils.h"
#include "image_gen/image_gen.h"
#include "base/image_manager.h"
#include "base/assets_manager.h"
#include "image_loader/image_loader_stb.h"
ret_t image_gen(bitmap_t* image, const char* output_filename, const char* theme, bool_t mono) {
uint32_t size = 0;
wbuffer_t wbuffer;
wbuffer_init_extendable(&wbuffer);
ret_t ret = RET_OK;
size = image_gen_buff(image, &wbuffer, mono);
if (size) {
output_res_c_source(output_filename, theme, ASSET_TYPE_IMAGE, ASSET_TYPE_IMAGE_RAW,
wbuffer.data, size);
} else {
ret = RET_FAIL;
}
wbuffer_deinit(&wbuffer);
return ret;
}
uint32_t image_gen_buff(bitmap_t* image, wbuffer_t* wbuffer, bool_t mono) {
size_t size = 0;
uint8_t* image_data = NULL;
return_value_if_fail(image != NULL, 0);
uint32_t header_size = sizeof(bitmap_header_t) - 4;
bitmap_header_t* header = (bitmap_header_t*)TKMEM_ALLOC(header_size);
memset(header, 0, header_size);
wbuffer_write_binary(wbuffer, header, header_size);
header->w = image->w;
header->h = image->h;
header->flags = image->flags;
image_data = bitmap_lock_buffer_for_read(image);
if (!mono) {
size = bitmap_get_line_length(image) * image->h;
header->format = image->format;
wbuffer_write_binary(wbuffer, image_data, size);
} else {
bitmap_t b;
uint8_t* bdata = NULL;
bitmap_init_from_rgba(&b, image->w, image->h, BITMAP_FMT_MONO, image_data, 4);
header->format = b.format;
size = bitmap_get_line_length(&b) * b.h;
bdata = bitmap_lock_buffer_for_read(&b);
wbuffer_write_binary(wbuffer, bdata, size);
bitmap_mono_dump(bdata, b.w, b.h);
bitmap_unlock_buffer(&b);
bitmap_destroy(&b);
}
bitmap_unlock_buffer(image);
int32_t cursor = wbuffer->cursor;
wbuffer->cursor = 0;
wbuffer_write_binary(wbuffer, header, header_size);
wbuffer->cursor = cursor;
TKMEM_FREE(header);
assert((size + header_size) == cursor);
return wbuffer->cursor;
}