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Fixing zooming in TextureRegion 

Fixes #20710

(cherry picked from commit 22030d4cc4)
This commit is contained in:
LATRio 2019-03-16 22:29:32 +09:00 committed by Hein-Pieter van Braam-Stewart
parent b887d3f8e8
commit 2213a21ab3
2 changed files with 34 additions and 27 deletions
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56
editor/plugins/texture_region_editor_plugin.cpp
View File

@ -64,7 +64,7 @@ void TextureRegionEditor::_region_draw() {
return;
Transform2D mtx;
mtx.elements[2] = -draw_ofs;
mtx.elements[2] = -draw_ofs * draw_zoom;
mtx.scale_basis(Vector2(draw_zoom, draw_zoom));
VS::get_singleton()->canvas_item_add_set_transform(edit_draw->get_canvas_item(), mtx);
@ -128,7 +128,7 @@ void TextureRegionEditor::_region_draw() {
};
for (int i = 0; i < 4; i++) {
int next = (i + 1) % 4;
edit_draw->draw_line(endpoints[i] - draw_ofs, endpoints[next] - draw_ofs, Color(0.3, 0.7, 1, 1), 2);
edit_draw->draw_line(endpoints[i] - draw_ofs * draw_zoom, endpoints[next] - draw_ofs * draw_zoom, Color(0.3, 0.7, 1, 1), 2);
}
}
}
@ -153,16 +153,16 @@ void TextureRegionEditor::_region_draw() {
Vector2 ofs = ((endpoints[i] - endpoints[prev]).normalized() + ((endpoints[i] - endpoints[next]).normalized())).normalized();
ofs *= 1.4144 * (select_handle->get_size().width / 2);
edit_draw->draw_line(endpoints[i] - draw_ofs, endpoints[next] - draw_ofs, color, 2);
edit_draw->draw_line(endpoints[i] - draw_ofs * draw_zoom, endpoints[next] - draw_ofs * draw_zoom, color, 2);
if (snap_mode != SNAP_AUTOSLICE)
edit_draw->draw_texture(select_handle, (endpoints[i] + ofs - (select_handle->get_size() / 2)).floor() - draw_ofs);
edit_draw->draw_texture(select_handle, (endpoints[i] + ofs - (select_handle->get_size() / 2)).floor() - draw_ofs * draw_zoom);
ofs = (endpoints[next] - endpoints[i]) / 2;
ofs += (endpoints[next] - endpoints[i]).tangent().normalized() * (select_handle->get_size().width / 2);
if (snap_mode != SNAP_AUTOSLICE)
edit_draw->draw_texture(select_handle, (endpoints[i] + ofs - (select_handle->get_size() / 2)).floor() - draw_ofs);
edit_draw->draw_texture(select_handle, (endpoints[i] + ofs - (select_handle->get_size() / 2)).floor() - draw_ofs * draw_zoom);
scroll_rect.expand_to(endpoints[i]);
}
@ -220,7 +220,7 @@ void TextureRegionEditor::_region_draw() {
void TextureRegionEditor::_region_input(const Ref<InputEvent> &p_input) {
Transform2D mtx;
mtx.elements[2] = -draw_ofs;
mtx.elements[2] = -draw_ofs * draw_zoom;
mtx.scale_basis(Vector2(draw_zoom, draw_zoom));
Vector2 endpoints[8] = {
@ -255,10 +255,10 @@ void TextureRegionEditor::_region_input(const Ref<InputEvent> &p_input) {
margins[3] = obj_styleBox->get_margin_size(MARGIN_RIGHT);
}
Vector2 pos[4] = {
mtx.basis_xform(rect.position + Vector2(0, margins[0])) - draw_ofs,
mtx.basis_xform(rect.position + rect.size - Vector2(0, margins[1])) - draw_ofs,
mtx.basis_xform(rect.position + Vector2(margins[2], 0)) - draw_ofs,
mtx.basis_xform(rect.position + rect.size - Vector2(margins[3], 0)) - draw_ofs
mtx.basis_xform(rect.position + Vector2(0, margins[0])) - draw_ofs * draw_zoom,
mtx.basis_xform(rect.position + rect.size - Vector2(0, margins[1])) - draw_ofs * draw_zoom,
mtx.basis_xform(rect.position + Vector2(margins[2], 0)) - draw_ofs * draw_zoom,
mtx.basis_xform(rect.position + rect.size - Vector2(margins[3], 0)) - draw_ofs * draw_zoom
};
if (Math::abs(mb->get_position().y - pos[0].y) < 8) {
edited_margin = 0;
@ -415,9 +415,9 @@ void TextureRegionEditor::_region_input(const Ref<InputEvent> &p_input) {
}
}
} else if (mb->get_button_index() == BUTTON_WHEEL_UP && mb->is_pressed()) {
_zoom_in();
_zoom_on_position(draw_zoom * ((0.95 + (0.05 * mb->get_factor())) / 0.95), mb->get_position());
} else if (mb->get_button_index() == BUTTON_WHEEL_DOWN && mb->is_pressed()) {
_zoom_out();
_zoom_on_position(draw_zoom * (1 - (0.05 * mb->get_factor())), mb->get_position());
}
}
@ -427,7 +427,7 @@ void TextureRegionEditor::_region_input(const Ref<InputEvent> &p_input) {
if (mm->get_button_mask() & BUTTON_MASK_MIDDLE || Input::get_singleton()->is_key_pressed(KEY_SPACE)) {
Vector2 draged(mm->get_relative().x, mm->get_relative().y);
Vector2 draged(mm->get_relative().x / draw_zoom, mm->get_relative().y / draw_zoom);
hscroll->set_value(hscroll->get_value() - draged.x);
vscroll->set_value(vscroll->get_value() - draged.y);
@ -578,25 +578,30 @@ void TextureRegionEditor::_set_snap_sep_y(float p_val) {
edit_draw->update();
}
void TextureRegionEditor::_zoom_in() {
if (draw_zoom < 8) {
draw_zoom *= 2;
void TextureRegionEditor::_zoom_on_position(float p_zoom, Point2 p_position) {
if (p_zoom < 0.25 || p_zoom > 8)
return;
float prev_zoom = draw_zoom;
draw_zoom = p_zoom;
Point2 ofs = p_position;
ofs = ofs / prev_zoom - ofs / draw_zoom;
draw_ofs.x = Math::round(draw_ofs.x + ofs.x);
draw_ofs.y = Math::round(draw_ofs.y + ofs.y);
edit_draw->update();
}
}
void TextureRegionEditor::_zoom_in() {
_zoom_on_position(draw_zoom * 1.5, edit_draw->get_size() / 2.0);
}
void TextureRegionEditor::_zoom_reset() {
if (draw_zoom == 1)
return;
draw_zoom = 1;
edit_draw->update();
_zoom_on_position(1.0, edit_draw->get_size() / 2.0);
}
void TextureRegionEditor::_zoom_out() {
if (draw_zoom > 0.25) {
draw_zoom /= 2;
edit_draw->update();
}
_zoom_on_position(draw_zoom / 1.5, edit_draw->get_size() / 2.0);
}
void TextureRegionEditor::apply_rect(const Rect2 &p_rect) {
@ -743,6 +748,7 @@ void TextureRegionEditor::_bind_methods() {
ClassDB::bind_method(D_METHOD("_set_snap_step_y"), &TextureRegionEditor::_set_snap_step_y);
ClassDB::bind_method(D_METHOD("_set_snap_sep_x"), &TextureRegionEditor::_set_snap_sep_x);
ClassDB::bind_method(D_METHOD("_set_snap_sep_y"), &TextureRegionEditor::_set_snap_sep_y);
ClassDB::bind_method(D_METHOD("_zoom_on_position"), &TextureRegionEditor::_zoom_on_position);
ClassDB::bind_method(D_METHOD("_zoom_in"), &TextureRegionEditor::_zoom_in);
ClassDB::bind_method(D_METHOD("_zoom_reset"), &TextureRegionEditor::_zoom_reset);
ClassDB::bind_method(D_METHOD("_zoom_out"), &TextureRegionEditor::_zoom_out);

1
editor/plugins/texture_region_editor_plugin.h
View File

@ -110,6 +110,7 @@ class TextureRegionEditor : public VBoxContainer {
void _set_snap_step_y(float p_val);
void _set_snap_sep_x(float p_val);
void _set_snap_sep_y(float p_val);
void _zoom_on_position(float p_zoom, Point2 p_position = Point2());
void _zoom_in();
void _zoom_reset();
void _zoom_out();