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[3.2] Add interpolation parameter to resize_to_po2() #44460

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Dec 19, 2020
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[3.2] Add interpolation parameter to resize_to_po2() #44460

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6 changes: 3 additions & 3 deletions core/image.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -867,7 +867,7 @@ 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.");

Expand All @@ -883,7 +883,7 @@ void Image::resize_to_po2(bool p_square) {
return; //nothing to do
}

resize(w, h);
resize(w, h, p_interpolation);
}

void Image::resize(int p_width, int p_height, Interpolation p_interpolation) {
Expand Down Expand Up @@ -2725,7 +2725,7 @@ 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);
ClassDB::bind_method(D_METHOD("expand_x2_hq2x"), &Image::expand_x2_hq2x);
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2 changes: 1 addition & 1 deletion core/image.h
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Expand Up @@ -225,7 +225,7 @@ class Image : public Resource {
/**
* 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();
void expand_x2_hq2x();
Expand Down
6 changes: 4 additions & 2 deletions doc/classes/Image.xml
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Expand Up @@ -414,16 +414,18 @@
<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">
<return type="void">
</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">
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2 changes: 1 addition & 1 deletion drivers/gles2/rasterizer_storage_gles2.cpp
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Expand Up @@ -682,7 +682,7 @@ void RasterizerStorageGLES2::texture_set_data(RID p_texture, const Ref<Image> &p
if (img == p_image) {
img = img->duplicate();
}
img->resize_to_po2(false);
img->resize_to_po2(false, texture->flags & VS::TEXTURE_FLAG_FILTER ? Image::INTERPOLATE_BILINEAR : Image::INTERPOLATE_NEAREST);
}

if (config.shrink_textures_x2 && (p_image->has_mipmaps() || !p_image->is_compressed()) && !(texture->flags & VS::TEXTURE_FLAG_USED_FOR_STREAMING)) {
Expand Down