diff options
-rw-r--r-- | tests/data/images/icon.bmp | bin | 0 -> 262282 bytes | |||
-rw-r--r-- | tests/data/images/icon.jpg | bin | 0 -> 14866 bytes | |||
-rw-r--r-- | tests/data/images/icon.png | bin | 0 -> 29261 bytes | |||
-rw-r--r-- | tests/data/images/icon.tga | bin | 0 -> 262162 bytes | |||
-rw-r--r-- | tests/data/images/icon.webp | bin | 0 -> 4522 bytes | |||
-rw-r--r-- | tests/test_image.h | 259 | ||||
-rw-r--r-- | tests/test_main.cpp | 1 |
7 files changed, 260 insertions, 0 deletions
diff --git a/tests/data/images/icon.bmp b/tests/data/images/icon.bmp Binary files differnew file mode 100644 index 0000000000..e006f7ebdd --- /dev/null +++ b/tests/data/images/icon.bmp diff --git a/tests/data/images/icon.jpg b/tests/data/images/icon.jpg Binary files differnew file mode 100644 index 0000000000..b45bfa8d9b --- /dev/null +++ b/tests/data/images/icon.jpg diff --git a/tests/data/images/icon.png b/tests/data/images/icon.png Binary files differnew file mode 100644 index 0000000000..45aaaf584f --- /dev/null +++ b/tests/data/images/icon.png diff --git a/tests/data/images/icon.tga b/tests/data/images/icon.tga Binary files differnew file mode 100644 index 0000000000..dcacdc5c67 --- /dev/null +++ b/tests/data/images/icon.tga diff --git a/tests/data/images/icon.webp b/tests/data/images/icon.webp Binary files differnew file mode 100644 index 0000000000..6c4707e858 --- /dev/null +++ b/tests/data/images/icon.webp diff --git a/tests/test_image.h b/tests/test_image.h new file mode 100644 index 0000000000..d73717f5b7 --- /dev/null +++ b/tests/test_image.h @@ -0,0 +1,259 @@ +/*************************************************************************/ +/* test_image.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef TEST_IMAGE_H +#define TEST_IMAGE_H + +#include "core/io/file_access_pack.h" +#include "core/io/image.h" +#include "test_utils.h" + +#include "thirdparty/doctest/doctest.h" + +namespace TestImage { + +TEST_CASE("[Image] Instantiation") { + Ref<Image> image = memnew(Image(8, 4, false, Image::FORMAT_RGBA8)); + CHECK_MESSAGE( + !image->is_empty(), + "An image created with specified size and format should not be empty at first."); + CHECK_MESSAGE( + image->is_invisible(), + "A newly created image should be invisible."); + CHECK_MESSAGE( + !image->is_compressed(), + "A newly created image should not be compressed."); + CHECK(!image->has_mipmaps()); + + Ref<Image> image_copy = memnew(Image()); + CHECK_MESSAGE( + image_copy->is_empty(), + "An image created without any specified size and format be empty at first."); + image_copy->copy_internals_from(image); + + CHECK_MESSAGE( + image->get_data() == image_copy->get_data(), + "Duplicated images should have the same data."); + + PackedByteArray image_data = image->get_data(); + Ref<Image> image_from_data = memnew(Image(8, 4, false, Image::FORMAT_RGBA8, image_data)); + CHECK_MESSAGE( + image->get_data() == image_from_data->get_data(), + "An image created from data of another image should have the same data of the original image."); +} + +TEST_CASE("[Image] Saving and loading") { + Ref<Image> image = memnew(Image(4, 4, false, Image::FORMAT_RGBA8)); + const String save_path_png = OS::get_singleton()->get_cache_path().plus_file("image.png"); + const String save_path_exr = OS::get_singleton()->get_cache_path().plus_file("image.exr"); + + // Save PNG + Error err; + err = image->save_png(save_path_png); + CHECK_MESSAGE( + err == OK, + "The image should be saved successfully as a .png file."); + + // Save EXR + err = image->save_exr(save_path_exr, false); + CHECK_MESSAGE( + err == OK, + "The image should be saved successfully as an .exr file."); + + // Load using load() + Ref<Image> image_load = memnew(Image()); + err = image_load->load(save_path_png); + CHECK_MESSAGE( + err == OK, + "The image should load successfully using load()."); + CHECK_MESSAGE( + image->get_data() == image_load->get_data(), + "The loaded image should have the same data as the one that got saved."); + + // Load BMP + Ref<Image> image_bmp = memnew(Image()); + FileAccessRef f_bmp = FileAccess::open(TestUtils::get_data_path("images/icon.bmp"), FileAccess::READ, &err); + PackedByteArray data_bmp; + data_bmp.resize(f_bmp->get_len() + 1); + f_bmp->get_buffer(data_bmp.ptrw(), f_bmp->get_len()); + CHECK_MESSAGE( + image_bmp->load_bmp_from_buffer(data_bmp) == OK, + "The BMP image should load successfully."); + + // Load JPG + Ref<Image> image_jpg = memnew(Image()); + FileAccessRef f_jpg = FileAccess::open(TestUtils::get_data_path("images/icon.jpg"), FileAccess::READ, &err); + PackedByteArray data_jpg; + data_jpg.resize(f_jpg->get_len() + 1); + f_jpg->get_buffer(data_jpg.ptrw(), f_jpg->get_len()); + CHECK_MESSAGE( + image_jpg->load_jpg_from_buffer(data_jpg) == OK, + "The JPG image should load successfully."); + + // Load WEBP + Ref<Image> image_webp = memnew(Image()); + FileAccessRef f_webp = FileAccess::open(TestUtils::get_data_path("images/icon.webp"), FileAccess::READ, &err); + PackedByteArray data_webp; + data_webp.resize(f_webp->get_len() + 1); + f_webp->get_buffer(data_webp.ptrw(), f_webp->get_len()); + CHECK_MESSAGE( + image_webp->load_webp_from_buffer(data_webp) == OK, + "The WEBP image should load successfully."); + + // Load PNG + Ref<Image> image_png = memnew(Image()); + FileAccessRef f_png = FileAccess::open(TestUtils::get_data_path("images/icon.png"), FileAccess::READ, &err); + PackedByteArray data_png; + data_png.resize(f_png->get_len() + 1); + f_png->get_buffer(data_png.ptrw(), f_png->get_len()); + CHECK_MESSAGE( + image_png->load_png_from_buffer(data_png) == OK, + "The PNG image should load successfully."); + + // Load TGA + Ref<Image> image_tga = memnew(Image()); + FileAccessRef f_tga = FileAccess::open(TestUtils::get_data_path("images/icon.tga"), FileAccess::READ, &err); + PackedByteArray data_tga; + data_tga.resize(f_tga->get_len() + 1); + f_tga->get_buffer(data_tga.ptrw(), f_tga->get_len()); + CHECK_MESSAGE( + image_tga->load_tga_from_buffer(data_tga) == OK, + "The TGA image should load successfully."); +} + +TEST_CASE("[Image] Basic getters") { + Ref<Image> image = memnew(Image(8, 4, false, Image::FORMAT_LA8)); + CHECK(image->get_width() == 8); + CHECK(image->get_height() == 4); + CHECK(image->get_size() == Vector2(8, 4)); + CHECK(image->get_format() == Image::FORMAT_LA8); + CHECK(image->get_used_rect() == Rect2(0, 0, 0, 0)); + Ref<Image> image_get_rect = image->get_rect(Rect2(0, 0, 2, 1)); + CHECK(image_get_rect->get_size() == Vector2(2, 1)); +} + +TEST_CASE("[Image] Resizing") { + Ref<Image> image = memnew(Image(8, 8, false, Image::FORMAT_RGBA8)); + // Crop + image->crop(4, 4); + CHECK_MESSAGE( + image->get_size() == Vector2(4, 4), + "get_size() should return the correct size after cropping."); + image->set_pixel(0, 0, Color(1, 1, 1, 1)); + + // Resize + for (int i = 0; i < 5; i++) { + Ref<Image> image_resized = memnew(Image()); + image_resized->copy_internals_from(image); + Image::Interpolation interpolation = static_cast<Image::Interpolation>(i); + image_resized->resize(8, 8, interpolation); + CHECK_MESSAGE( + image_resized->get_size() == Vector2(8, 8), + "get_size() should return the correct size after resizing."); + CHECK_MESSAGE( + image_resized->get_pixel(1, 1).a > 0, + "Resizing an image should also affect its content."); + } + + // shrink_x2() + image->shrink_x2(); + CHECK_MESSAGE( + image->get_size() == Vector2(2, 2), + "get_size() should return the correct size after shrink_x2()."); + + // resize_to_po2() + Ref<Image> image_po_2 = memnew(Image(14, 28, false, Image::FORMAT_RGBA8)); + image_po_2->resize_to_po2(); + CHECK_MESSAGE( + image_po_2->get_size() == Vector2(16, 32), + "get_size() should return the correct size after resize_to_po2()."); +} + +TEST_CASE("[Image] Modifying pixels of an image") { + Ref<Image> image = memnew(Image(3, 3, false, Image::FORMAT_RGBA8)); + image->set_pixel(0, 0, Color(1, 1, 1, 1)); + CHECK_MESSAGE( + !image->is_invisible(), + "Image should not be invisible after drawing on it."); + CHECK_MESSAGE( + image->get_pixelv(Vector2(0, 0)).is_equal_approx(Color(1, 1, 1, 1)), + "Image's get_pixel() should return the same color value as the one being set with set_pixel() in the same position."); + CHECK_MESSAGE( + image->get_used_rect() == Rect2(0, 0, 1, 1), + "Image's get_used_rect should return the expected value, larger than Rect2(0, 0, 0, 0) if it's visible."); + + image->set_pixelv(Vector2(0, 0), Color(0.5, 0.5, 0.5, 0.5)); + Ref<Image> image2 = memnew(Image(3, 3, false, Image::FORMAT_RGBA8)); + + // Fill image with color + image2->fill(Color(0.5, 0.5, 0.5, 0.5)); + for (int x = 0; x < image2->get_width(); x++) { + for (int y = 0; y < image2->get_height(); y++) { + CHECK_MESSAGE( + image2->get_pixel(x, y).r > 0.49, + "fill() should colorize all pixels of the image."); + } + } + + // Blend two images together + image->blend_rect(image2, Rect2(Vector2(0, 0), image2->get_size()), Vector2(0, 0)); + CHECK_MESSAGE( + image->get_pixel(0, 0).a > 0.7, + "blend_rect() should blend the alpha values of the two images."); + CHECK_MESSAGE( + image->get_used_rect().size == image->get_size(), + "get_used_rect() should return the expected value, its Rect size should be the same as get_size() if there are no transparent pixels."); + + Ref<Image> image3 = memnew(Image(2, 2, false, Image::FORMAT_RGBA8)); + image3->set_pixel(0, 0, Color(0, 1, 0, 1)); + + //blit_rect() two images together + image->blit_rect(image3, Rect2(Vector2(0, 0), image3->get_size()), Vector2(0, 0)); + CHECK_MESSAGE( + image->get_pixel(0, 0).is_equal_approx(Color(0, 1, 0, 1)), + "blit_rect() should replace old colors and not blend them."); + CHECK_MESSAGE( + !image->get_pixel(2, 2).is_equal_approx(Color(0, 1, 0, 1)), + "blit_rect() should not affect the area of the image that is outside src_rect."); + + // Flip image + image3->flip_x(); + CHECK(image3->get_pixel(1, 0).is_equal_approx(Color(0, 1, 0, 1))); + CHECK_MESSAGE( + image3->get_pixel(0, 0).is_equal_approx(Color(0, 0, 0, 0)), + "flip_x() should not leave old pixels behind."); + image3->flip_y(); + CHECK(image3->get_pixel(1, 1).is_equal_approx(Color(0, 1, 0, 1))); + CHECK_MESSAGE( + image3->get_pixel(1, 0).is_equal_approx(Color(0, 0, 0, 0)), + "flip_y() should not leave old pixels behind."); +} +} // namespace TestImage +#endif // TEST_IMAGE_H diff --git a/tests/test_main.cpp b/tests/test_main.cpp index 5c635de25c..2697eb6399 100644 --- a/tests/test_main.cpp +++ b/tests/test_main.cpp @@ -46,6 +46,7 @@ #include "test_geometry_2d.h" #include "test_gradient.h" #include "test_gui.h" +#include "test_image.h" #include "test_json.h" #include "test_list.h" #include "test_local_vector.h" |