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Added resize method to PaintCanvas.

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Relintai 2022-11-15 16:41:57 +01:00
parent 9eaa2bd56f
commit 94b5ac9267
2 changed files with 59 additions and 0 deletions
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56
modules/paint/nodes/paint_canvas.cpp
View File

@ -128,6 +128,59 @@ void PaintCanvas::update_textures() {
update();
}
void PaintCanvas::resize(int width, int height) {
if (get_size().x == width && get_size().y == height) {
return;
}
if (width < 0) {
width = 1;
}
if (height < 0) {
height = 1;
}
set_size(Vector2i(width, height));
resize_image(_image_texture);
resize_image(_preview_image_texture);
update_textures();
}
void PaintCanvas::resize_image(Ref<Image> image) {
PoolColorArray pixel_colors;
int prev_width = image->get_size().x;
int prev_height = image->get_size().y;
image->lock();
for (int y = 0; y < prev_height; ++y) {
for (int x = 0; x < prev_width; ++x) {
pixel_colors.append(image->get_pixel(x, y));
}
}
image->unlock();
image->create(get_size().x, get_size().y, false, Image::FORMAT_RGBA8);
image->lock();
for (int x = 0; x < prev_width; ++x) {
for (int y = 0; y < prev_height; ++y) {
if (x >= get_size().x || y >= get_size().y) {
continue;
}
image->set_pixel(x, y, pixel_colors[PaintUtilities::to_1D(x, y, prev_width)]);
}
}
image->unlock();
}
PoolVector2iArray PaintCanvas::select_color(const int p_x, const int p_y) {
PoolVector2iArray same_color_pixels;
@ -267,6 +320,9 @@ void PaintCanvas::_bind_methods() {
ClassDB::bind_method(D_METHOD("clear_preview"), &PaintCanvas::clear_preview);
ClassDB::bind_method(D_METHOD("update_textures"), &PaintCanvas::update_textures);
ClassDB::bind_method(D_METHOD("resize", "width", "height"), &PaintCanvas::resize);
ClassDB::bind_method(D_METHOD("resize_image", "image"), &PaintCanvas::resize_image);
ClassDB::bind_method(D_METHOD("select_color", "x", "y"), &PaintCanvas::select_color);
ClassDB::bind_method(D_METHOD("select_same_color", "x", "y"), &PaintCanvas::select_same_color);
ClassDB::bind_method(D_METHOD("get_neighbouring_pixels", "x", "y"), &PaintCanvas::get_neighbouring_pixels);

3
modules/paint/nodes/paint_canvas.h
View File

@ -43,6 +43,9 @@ public:
void clear_preview();
void update_textures();
void resize(const int width, const int height);
void resize_image(Ref<Image> image);
PoolVector2iArray select_color(const int p_x, const int p_y);
PoolVector2iArray select_same_color(const int p_x, const int p_y);
PoolVector2iArray get_neighbouring_pixels(const int pos_x, const int pos_y);