resize bboxes

This commit is contained in:
Fabien Freling 2022-02-16 00:41:37 +01:00
parent e86be28cc0
commit 1d851158fc
2 changed files with 28 additions and 1 deletions

View file

@ -7,10 +7,12 @@ The subject is available here: [Test Algo](./test_algo.pdf)
- [X] dumb packing
- [ ] skyline
- [X] add raygui
- [X] resize box
- [ ] add box in gui by pressing down
- [ ] delete box in gui by clicking
- [ ] wrap stb_rect_pack?
- [X] change bbox api to origin + size
- [ ] dummy A2
## Installation

View file

@ -1,3 +1,4 @@
#include <algorithm>
#include <cstdlib>
#include <cstring>
#include <filesystem>
@ -19,6 +20,8 @@
namespace fs = std::filesystem;
constexpr int resize_handle = 20;
Rectangle rect_from_bbox(const freling::BoundingBox& box,
const Vector2& offset) {
const Rectangle rect = {offset.x + box.x, offset.y + box.y,
@ -33,6 +36,11 @@ void draw(const freling::BoundingBox& box,
const Rectangle rect = rect_from_bbox(box, offset);
DrawRectangleRec(rect, ColorAlpha(color, 0.3));
DrawRectangleLinesEx(rect, 3, color);
DrawTriangle(
(Vector2){rect.x + rect.width - resize_handle, rect.y + rect.height},
(Vector2){rect.x + rect.width, rect.y + rect.height},
(Vector2){rect.x + rect.width, rect.y + rect.height - resize_handle},
color);
}
Image image_from_frame(const Frame& frame) {
@ -112,6 +120,7 @@ int main(int argc, const char* argv[]) {
Vector2 mouse_pos = {0};
Vector2 mouse_delta = {0};
int b_moving_idx = -1;
int b_resize_idx = -1;
while (!WindowShouldClose()) {
//
@ -124,17 +133,33 @@ int main(int argc, const char* argv[]) {
const Rectangle rect = rect_from_bbox(box, in_offset);
if (CheckCollisionPointRec(mouse_pos, rect) and
IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) {
b_moving_idx = b;
const Rectangle handle_area = {
rect.x + rect.width - resize_handle,
rect.y + rect.height - resize_handle, resize_handle,
resize_handle};
if (CheckCollisionPointRec(mouse_pos, handle_area)) {
b_resize_idx = b;
} else {
b_moving_idx = b;
}
}
}
if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT)) {
b_moving_idx = -1;
b_resize_idx = -1;
}
if (b_moving_idx != -1) {
auto& box = bboxes[b_moving_idx];
box.x += mouse_delta.x;
box.y += mouse_delta.y;
}
if (b_resize_idx != -1) {
auto& box = bboxes[b_resize_idx];
box.width = std::max(static_cast<int>(box.width + mouse_delta.x),
resize_handle);
box.height = std::max(static_cast<int>(box.height + mouse_delta.y),
resize_handle);
}
//
// Draw