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Add interpolation parameter to resize_to_po2()

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Image::resize_to_po2() now takes an optional p_interpolation parameter
that it passes directly to resize() with default value INTERPOLATE_BILINEAR.
This commit is contained in:
Theogen Ratkin 2020-12-18 10:14:55 -04:00
parent 68117f5e75
commit 46ea6750b4
3 changed files with 8 additions and 6 deletions
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6
core/io/image.cpp
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@ -993,7 +993,7 @@ bool Image::is_size_po2() const {
return uint32_t(width) == next_power_of_2(width) && uint32_t(height) == next_power_of_2(height);
}
void Image::resize_to_po2(bool p_square) {
void Image::resize_to_po2(bool p_square, Interpolation p_interpolation) {
ERR_FAIL_COND_MSG(!_can_modify(format), "Cannot resize in compressed or custom image formats.");
int w = next_power_of_2(width);
@ -1008,7 +1008,7 @@ void Image::resize_to_po2(bool p_square) {
}
}
resize(w, h);
resize(w, h, p_interpolation);
}
void Image::resize(int p_width, int p_height, Interpolation p_interpolation) {
@ -3077,7 +3077,7 @@ void Image::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_mipmap_offset", "mipmap"), &Image::get_mipmap_offset);
ClassDB::bind_method(D_METHOD("resize_to_po2", "square"), &Image::resize_to_po2, DEFVAL(false));
ClassDB::bind_method(D_METHOD("resize_to_po2", "square", "interpolation"), &Image::resize_to_po2, DEFVAL(false), DEFVAL(INTERPOLATE_BILINEAR));
ClassDB::bind_method(D_METHOD("resize", "width", "height", "interpolation"), &Image::resize, DEFVAL(INTERPOLATE_BILINEAR));
ClassDB::bind_method(D_METHOD("shrink_x2"), &Image::shrink_x2);

2
core/io/image.h
View file

@ -244,7 +244,7 @@ public:
/**
* Resize the image, using the preferred interpolation method.
*/
void resize_to_po2(bool p_square = false);
void resize_to_po2(bool p_square = false, Interpolation p_interpolation = INTERPOLATE_BILINEAR);
void resize(int p_width, int p_height, Interpolation p_interpolation = INTERPOLATE_BILINEAR);
void shrink_x2();
bool is_size_po2() const;

6
doc/classes/Image.xml
View file

@ -422,7 +422,7 @@
<argument index="2" name="interpolation" type="int" enum="Image.Interpolation" default="1">
</argument>
<description>
Resizes the image to the given [code]width[/code] and [code]height[/code]. New pixels are calculated using [code]interpolation[/code]. See [code]interpolation[/code] constants.
Resizes the image to the given [code]width[/code] and [code]height[/code]. New pixels are calculated using the [code]interpolation[/code] mode defined via [enum Interpolation] constants.
</description>
</method>
<method name="resize_to_po2">
@ -430,8 +430,10 @@
</return>
<argument index="0" name="square" type="bool" default="false">
</argument>
<argument index="1" name="interpolation" type="int" enum="Image.Interpolation" default="1">
</argument>
<description>
Resizes the image to the nearest power of 2 for the width and height. If [code]square[/code] is [code]true[/code] then set width and height to be the same.
Resizes the image to the nearest power of 2 for the width and height. If [code]square[/code] is [code]true[/code] then set width and height to be the same. New pixels are calculated using the [code]interpolation[/code] mode defined via [enum Interpolation] constants.
</description>
</method>
<method name="rgbe_to_srgb">