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83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/**
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* File: image_gen.c
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* Author: AWTK Develop Team
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* Brief: bitmap image generator
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*
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* Copyright (c) 2018 - 2020 Guangzhou ZHIYUAN Electronics Co.,Ltd.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* License file for more details.
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*
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*/
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/**
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* History:
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* ================================================================
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* 2018-01-27 Li XianJing <xianjimli@hotmail.com> created
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*
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*/
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#include "tkc/mem.h"
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#include "tkc/utils.h"
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#include "common/utils.h"
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#include "image_gen/image_gen.h"
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#include "base/image_manager.h"
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#include "base/assets_manager.h"
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#include "image_loader/image_loader_stb.h"
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#define MAX_BUFF_SIZE 2 * 1024 * 1024
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ret_t image_gen(bitmap_t* image, const char* output_filename, bool_t mono) {
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uint32_t size = 0;
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uint8_t* buff = (uint8_t*)TKMEM_ALLOC(MAX_BUFF_SIZE);
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return_value_if_fail(buff != NULL, RET_FAIL);
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size = image_gen_buff(image, buff, MAX_BUFF_SIZE, mono);
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if (size) {
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output_res_c_source(output_filename, ASSET_TYPE_IMAGE, ASSET_TYPE_IMAGE_RAW, buff, size);
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TKMEM_FREE(buff);
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} else {
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return RET_FAIL;
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}
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return RET_OK;
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}
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uint32_t image_gen_buff(bitmap_t* image, uint8_t* output_buff, uint32_t buff_size, bool_t mono) {
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size_t size = 0;
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uint8_t* image_data = NULL;
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bitmap_header_t* header = (bitmap_header_t*)output_buff;
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return_value_if_fail(image != NULL && output_buff != NULL, 0);
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header->w = image->w;
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header->h = image->h;
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header->flags = image->flags;
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image_data = bitmap_lock_buffer_for_read(image);
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if (!mono) {
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size = bitmap_get_line_length(image) * image->h;
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return_value_if_fail((size + sizeof(bitmap_header_t)) < buff_size, 0);
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header->format = image->format;
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memcpy(header->data, image_data, size);
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} else {
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bitmap_t b;
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uint8_t* bdata = NULL;
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bitmap_init_from_rgba(&b, image->w, image->h, BITMAP_FMT_MONO, image_data, 4);
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header->format = b.format;
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size = bitmap_get_line_length(&b) * b.h;
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return_value_if_fail((size + sizeof(bitmap_header_t)) < buff_size, 0);
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bdata = bitmap_lock_buffer_for_read(&b);
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memcpy(header->data, bdata, size);
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bitmap_mono_dump(bdata, b.w, b.h);
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bitmap_unlock_buffer(&b);
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bitmap_destroy(&b);
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}
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bitmap_unlock_buffer(image);
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return size + sizeof(bitmap_header_t);
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}
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