cgaming-core/test/modules/ImageTests.c

#include <stdio.h>

#include "../Tests.h"
#include "core/Image.h"

static void testReadPNG8(const char* path, const char* name, int width,
                         int height, int channels) {
    char fullPath[512];
    snprintf(fullPath, sizeof(fullPath), "%s/%s.png", path, name);
    CoreImage8 image;
    CORE_TEST_BOOL(width == 0, coreInitImage8(&image, fullPath));
    if(width != 0) {
        CORE_TEST_NOT_NULL(image.data);
    }
    CORE_TEST_INT(width, image.width);
    CORE_TEST_INT(height, image.height);
    CORE_TEST_INT(channels, image.channels);
    coreDestroyImage8(&image);
}

static void testReadPNG16(const char* path, const char* name, int width,
                          int height, int channels) {
    char fullPath[512];
    snprintf(fullPath, sizeof(fullPath), "%s/%s.png", path, name);
    CoreImage16 image;
    CORE_TEST_BOOL(width == 0, coreInitImage16(&image, fullPath));
    if(width != 0) {
        CORE_TEST_NOT_NULL(image.data);
    }
    CORE_TEST_INT(width, image.width);
    CORE_TEST_INT(height, image.height);
    CORE_TEST_INT(channels, image.channels);
    coreDestroyImage16(&image);
}

void coreTestImageReader(const char* path) {
    testReadPNG8(path, "rgb8", 32, 64, 3);
    testReadPNG8(path, "rgb16", 32, 64, 3);
    testReadPNG8(path, "rgba8", 32, 64, 4);
    testReadPNG8(path, "rgba16", 32, 64, 4);
    testReadPNG8(path, "gray8", 32, 64, 1);
    testReadPNG8(path, "gray16", 32, 64, 1);
    testReadPNG8(path, "graya8", 32, 64, 2);
    testReadPNG8(path, "graya16", 32, 64, 2);
    testReadPNG8(path, "nope", 0, 0, 0);
    testReadPNG16(path, "rgb8", 32, 64, 3);
    testReadPNG16(path, "rgb16", 32, 64, 3);
    testReadPNG16(path, "rgba8", 32, 64, 4);
    testReadPNG16(path, "rgba16", 32, 64, 4);
    testReadPNG16(path, "gray8", 32, 64, 1);
    testReadPNG16(path, "gray16", 32, 64, 1);
    testReadPNG16(path, "graya8", 32, 64, 2);
    testReadPNG16(path, "graya16", 32, 64, 2);
    testReadPNG16(path, "nope", 0, 0, 0);
}