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87 lines
2.5 KiB
C
87 lines
2.5 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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ret_t image_gen(bitmap_t* image, const char* output_filename, const char* theme, bool_t mono) {
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uint32_t size = 0;
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wbuffer_t wbuffer;
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wbuffer_init_extendable(&wbuffer);
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ret_t ret = RET_OK;
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size = image_gen_buff(image, &wbuffer, mono);
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if (size) {
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output_res_c_source(output_filename, theme, ASSET_TYPE_IMAGE, ASSET_TYPE_IMAGE_RAW,
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wbuffer.data, size);
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} else {
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ret = RET_FAIL;
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}
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wbuffer_deinit(&wbuffer);
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return ret;
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}
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uint32_t image_gen_buff(bitmap_t* image, wbuffer_t* wbuffer, bool_t mono) {
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size_t size = 0;
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uint8_t* image_data = NULL;
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return_value_if_fail(image != NULL, 0);
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uint32_t header_size = sizeof(bitmap_header_t) - 4;
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bitmap_header_t* header = (bitmap_header_t*)TKMEM_ALLOC(header_size);
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memset(header, 0, header_size);
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wbuffer_write_binary(wbuffer, header, header_size);
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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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header->format = image->format;
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wbuffer_write_binary(wbuffer, 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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bdata = bitmap_lock_buffer_for_read(&b);
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wbuffer_write_binary(wbuffer, 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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int32_t cursor = wbuffer->cursor;
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wbuffer->cursor = 0;
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wbuffer_write_binary(wbuffer, header, header_size);
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wbuffer->cursor = cursor;
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TKMEM_FREE(header);
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assert((size + header_size) == cursor);
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return wbuffer->cursor;
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}
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