diff options
Diffstat (limited to 'core/image.cpp')
-rw-r--r-- | core/image.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/core/image.cpp b/core/image.cpp index 51fbe75dec..b0bed80a6f 100644 --- a/core/image.cpp +++ b/core/image.cpp @@ -1076,6 +1076,36 @@ void Image::shrink_x2() { } } +void Image::normalize() { + + bool used_mipmaps = has_mipmaps(); + if (used_mipmaps) { + clear_mipmaps(); + } + + lock(); + + for (int y = 0; y < height; y++) { + + for (int x = 0; x < width; x++) { + + Color c = get_pixel(x, y); + Vector3 v(c.r * 2.0 - 1.0, c.g * 2.0 - 1.0, c.b * 2.0 - 1.0); + v.normalize(); + c.r = v.x * 0.5 + 0.5; + c.g = v.y * 0.5 + 0.5; + c.b = v.z * 0.5 + 0.5; + set_pixel(x, y, c); + } + } + + unlock(); + + if (used_mipmaps) { + generate_mipmaps(true); + } +} + Error Image::generate_mipmaps(bool p_renormalize) { if (!_can_modify(format)) { @@ -2301,6 +2331,7 @@ void Image::_bind_methods() { ClassDB::bind_method(D_METHOD("premultiply_alpha"), &Image::premultiply_alpha); ClassDB::bind_method(D_METHOD("srgb_to_linear"), &Image::srgb_to_linear); ClassDB::bind_method(D_METHOD("normalmap_to_xy"), &Image::normalmap_to_xy); + ClassDB::bind_method(D_METHOD("rgbe_to_srgb"), &Image::rgbe_to_srgb); ClassDB::bind_method(D_METHOD("bumpmap_to_normalmap", "bump_scale"), &Image::bumpmap_to_normalmap, DEFVAL(1.0)); ClassDB::bind_method(D_METHOD("blit_rect", "src", "src_rect", "dst"), &Image::blit_rect); @@ -2412,6 +2443,37 @@ void Image::normalmap_to_xy() { convert(Image::FORMAT_LA8); } +Ref<Image> Image::rgbe_to_srgb() { + + if (data.size() == 0) + return Ref<Image>(); + + ERR_FAIL_COND_V(format != FORMAT_RGBE9995, Ref<Image>()); + + Ref<Image> new_image; + new_image.instance(); + new_image->create(width, height, 0, Image::FORMAT_RGB8); + + lock(); + + new_image->lock(); + + for (int row = 0; row < height; row++) { + for (int col = 0; col < width; col++) { + new_image->set_pixel(col, row, get_pixel(col, row).to_srgb()); + } + } + + unlock(); + new_image->unlock(); + + if (has_mipmaps()) { + new_image->generate_mipmaps(); + } + + return new_image; +} + void Image::bumpmap_to_normalmap(float bump_scale) { ERR_FAIL_COND(!_can_modify(format)); convert(Image::FORMAT_RF); |