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Fix round preview getting square on "run scene" (issue 16734)

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(cherry picked from commit 899f7b125e)
This commit is contained in:
poke1024 2018-02-28 20:23:40 +01:00 committed by Hein-Pieter van Braam
parent 7ad6a9aeea
commit 2f53325bed
3 changed files with 35 additions and 0 deletions
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1
editor/editor_node.cpp
View file

@ -975,6 +975,7 @@ void EditorNode::_save_scene_with_preview(String p_file, int p_idx) {
String file = cache_base + ".png";
post_process_preview(img);
img->save_png(file);
}

32
editor/plugins/editor_preview_plugins.cpp
View file

@ -39,6 +39,38 @@
#include "scene/resources/material.h"
#include "scene/resources/mesh.h"
void post_process_preview(Ref<Image> p_image) {
if (p_image->get_format() != Image::FORMAT_RGBA8)
p_image->convert(Image::FORMAT_RGBA8);
p_image->lock();
const int w = p_image->get_width();
const int h = p_image->get_height();
const int r = MIN(w, h) / 32;
const int r2 = r * r;
Color transparent = Color(0, 0, 0, 0);
for (int i = 0; i < r; i++) {
for (int j = 0; j < r; j++) {
int dx = i - r;
int dy = j - r;
if (dx * dx + dy * dy > r2) {
p_image->set_pixel(i, j, transparent);
p_image->set_pixel(w - 1 - i, j, transparent);
p_image->set_pixel(w - 1 - i, h - 1 - j, transparent);
p_image->set_pixel(i, h - 1 - j, transparent);
} else {
break;
}
}
}
p_image->unlock();
}
bool EditorTexturePreviewPlugin::handles(const String &p_type) const {
return ClassDB::is_parent_class(p_type, "Texture");

2
editor/plugins/editor_preview_plugins.h
View file

@ -33,6 +33,8 @@
#include "editor/editor_resource_preview.h"
void post_process_preview(Ref<Image> p_image);
class EditorTexturePreviewPlugin : public EditorResourcePreviewGenerator {
GDCLASS(EditorTexturePreviewPlugin, EditorResourcePreviewGenerator)
public: