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Diffstat (limited to 'tests/unity/unity_support.c')
| -rw-r--r-- | tests/unity/unity_support.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/tests/unity/unity_support.c b/tests/unity/unity_support.c new file mode 100644 index 000000000..8bc8402ac --- /dev/null +++ b/tests/unity/unity_support.c @@ -0,0 +1,198 @@ +/** + * @file lv_test_assert.c + * + * Copyright 2002-2010 Guillaume Cottenceau. + * + * This software may be freely redistributed under the terms + * of the X11 license. + * + */ + +/********************* + * INCLUDES + *********************/ +#if LV_BUILD_TEST +#include "../lvgl.h" + +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <stdarg.h> +#include "unity.h" +#define PNG_DEBUG 3 +#include <png.h> + +/********************* + * DEFINES + *********************/ +//#define REF_IMGS_PATH "lvgl/tests/lv_test_ref_imgs/" +#define REF_IMGS_PATH "ref_imgs/" + +/********************** + * TYPEDEFS + **********************/ +typedef struct { + int width, height; + png_byte color_type; + png_byte bit_depth; + + png_structp png_ptr; + png_infop info_ptr; + int number_of_passes; + png_bytep * row_pointers; +}png_img_t; + +/********************** + * STATIC PROTOTYPES + **********************/ +static int read_png_file(png_img_t * p, const char* file_name); +static void png_release(png_img_t * p); + +/********************** + * STATIC VARIABLES + **********************/ + +/********************** + * MACROS + **********************/ + +/********************** + * GLOBAL FUNCTIONS + **********************/ + +bool lv_test_assert_img_eq(const char * fn_ref) +{ + + char fn_ref_full[512]; + sprintf(fn_ref_full, "%s%s", REF_IMGS_PATH, fn_ref); + + png_img_t p; + int res = read_png_file(&p, fn_ref_full); + if(res < 0) return false; + uint8_t * screen_buf; + + lv_obj_invalidate(lv_scr_act()); + lv_refr_now(NULL); + + extern lv_color_t test_fb[]; + + screen_buf = (uint8_t *)test_fb; + + uint8_t * ptr_act = NULL; + const png_byte* ptr_ref = NULL; + + bool err = false; + int x, y, i_buf = 0; + for (y = 0; y < p.height; y++) { + png_byte* row = p.row_pointers[y]; + for (x = 0; x < p.width; x++) { + ptr_ref = &(row[x*3]); + ptr_act = &(screen_buf[i_buf*4]); + + uint8_t tmp = ptr_act[0]; + ptr_act[0] = ptr_act[2]; + ptr_act[2] = tmp; + + if(memcmp(ptr_act, ptr_ref, 3) != 0) { + err = true; + break; + } + i_buf++; + } + if(err) break; + } + + png_release(&p); + + if(err) { + uint32_t ref_px = 0; + uint32_t act_px = 0; + memcpy(&ref_px, ptr_ref, 3); + memcpy(&act_px, ptr_act, 3); + TEST_PRINTF("Diff in %s at (%d;%d), %x instead of %x)", fn_ref, x, y, act_px, ref_px); + return false; + } + + return true; + +} + +/********************** + * STATIC FUNCTIONS + **********************/ + +static int read_png_file(png_img_t * p, const char* file_name) +{ + char header[8]; // 8 is the maximum size that can be checked + + /*open file and test for it being a png*/ + FILE *fp = fopen(file_name, "rb"); + if (!fp) { + TEST_PRINTF("%s", "PNG file %s could not be opened for reading"); + return -1; + } + + size_t rcnt = fread(header, 1, 8, fp); + if (rcnt != 8 || png_sig_cmp((png_const_bytep)header, 0, 8)) { + TEST_PRINTF("%s is not recognized as a PNG file", file_name); + return -1; + } + + /*initialize stuff*/ + p->png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); + + if (!p->png_ptr) { + TEST_PRINTF("%s", "png_create_read_struct failed"); + return -1; + } + + p->info_ptr = png_create_info_struct(p->png_ptr); + if (!p->info_ptr) { + TEST_PRINTF("%s", "png_create_info_struct failed"); + return -1; + } + if (setjmp(png_jmpbuf(p->png_ptr))) { + TEST_PRINTF("%s", "Error during init_io"); + return -1; + } + png_init_io(p->png_ptr, fp); + png_set_sig_bytes(p->png_ptr, 8); + + png_read_info(p->png_ptr, p->info_ptr); + + p->width = png_get_image_width(p->png_ptr, p->info_ptr); + p->height = png_get_image_height(p->png_ptr, p->info_ptr); + p->color_type = png_get_color_type(p->png_ptr, p->info_ptr); + p->bit_depth = png_get_bit_depth(p->png_ptr, p->info_ptr); + + p->number_of_passes = png_set_interlace_handling(p->png_ptr); + png_read_update_info(p->png_ptr, p->info_ptr); + + /*read file*/ + if (setjmp(png_jmpbuf(p->png_ptr))) { + TEST_PRINTF("%s", "Error during read_image"); + return -1; + } + p->row_pointers = (png_bytep*) malloc(sizeof(png_bytep) * p->height); + + int y; + for (y=0; y<p->height; y++) + p->row_pointers[y] = (png_byte*) malloc(png_get_rowbytes(p->png_ptr,p->info_ptr)); + + png_read_image(p->png_ptr, p->row_pointers); + + fclose(fp); + return 0; +} + +static void png_release(png_img_t * p) +{ + int y; + for (y=0; y<p->height; y++) free(p->row_pointers[y]); + + free(p->row_pointers); +} + + +#endif |