netatmo-algo/src/main_gui.cpp

317 lines
10 KiB
C++

#include <algorithm>
#include <cstdlib>
#include <cstring>
#include <filesystem>
#include <iostream>
#include <optional>
#include <vector>
#include <raylib.h>
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunused-result"
#define RAYGUI_IMPLEMENTATION
#include <raygui.h>
#pragma clang diagnostic pop
#include "a2.h"
#include "bounding_box.h"
#include "frame.h"
#include "mapping.h"
#include "mask.h"
#include "pack.h"
#include "png.h"
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,
static_cast<float>(box.width),
static_cast<float>(box.height)};
return rect;
}
void draw_resizable(const freling::BoundingBox& box,
const Vector2& offset,
const Color& color) {
const Rectangle rect = rect_from_bbox(box, offset);
DrawRectangleRec(rect, ColorAlpha(color, 0.3));
DrawRectangleLinesEx(rect, 2, 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);
}
void draw_region(const freling::BoundingBox& box,
const Vector2& offset,
const Color& color) {
const Rectangle rect = rect_from_bbox(box, offset);
DrawRectangleRec(rect, ColorAlpha(color, 0.8));
}
Image image_from_frame(const freling::Frame& frame) {
Image image = {0};
const int format = PIXELFORMAT_UNCOMPRESSED_R8G8B8;
const unsigned int size =
GetPixelDataSize(frame.width, frame.height, format);
image.data = RL_MALLOC(size);
memcpy(image.data, frame.data, size);
image.width = frame.width;
image.height = frame.height;
image.mipmaps = 1;
image.format = format;
return image;
}
int main(int argc, const char* argv[]) {
if (argc < 2 or (argc - 2) % 4 != 0) {
std::cerr
<< "Usage: " << argv[0] << " path/to/image"
<< " [x y width height ...]\n"
<< "x/y/w/h points must be grouped by 4 to define bounding boxes\n";
return 1;
}
const fs::path input(argv[1]);
if (!fs::exists(input)) {
std::cerr << "Input file " << input << " does not exist.\n";
return 1;
}
const std::optional<freling::Frame> in_frame = freling::load_png(input);
if (!in_frame) {
std::cerr << "Cannot load file " << input << "\n";
return 1;
}
std::vector<freling::BoundingBox> bboxes;
bboxes.reserve((argc - 2) / 4);
int i = 2;
while (i < argc) {
const int32_t x = atoi(argv[i]);
const int32_t y = atoi(argv[i + 1]);
const uint32_t w = atoi(argv[i + 2]);
const uint32_t h = atoi(argv[i + 3]);
bboxes.push_back(freling::BoundingBox({x, y, w, h}));
i += 4;
}
const std::vector<Color> bbox_colors = {RED, GREEN, BLUE,
YELLOW, ORANGE, PURPLE};
std::vector<freling::BoundingBox> packed_bboxes;
std::vector<freling::BoundingBox> a2_bboxes;
std::vector<freling::BoundingBox> a2_bboxes_origin;
freling::Mask in_mask(in_frame->width, in_frame->height);
Vector2 win_size = {800, 450};
const int padding = 5;
const Vector2 in_offset = {padding, 40};
InitWindow(win_size.x, win_size.y, "netatmo - rect packing");
SetTargetFPS(60);
Image in_img = image_from_frame(*in_frame);
Texture2D in_texture = LoadTextureFromImage(in_img);
Image pack_img;
Texture2D pack_texture;
bool packed = false;
bool a2_processed = false;
win_size.x = std::max(win_size.x, in_offset.x + in_texture.width + padding);
win_size.y =
std::max(win_size.y, in_offset.y + in_texture.height + padding);
SetWindowSize(win_size.x, win_size.y);
const Vector2 b_size = {150, 30};
Vector2 mouse_pos = {0};
Vector2 mouse_delta = {0};
constexpr int idx_unset = -1;
int b_moving_idx = idx_unset;
int b_resize_idx = idx_unset;
int b_delete_idx = idx_unset;
while (!WindowShouldClose()) {
//
// Update
//
mouse_pos = GetMousePosition();
mouse_delta = GetMouseDelta();
for (int b = 0, size = bboxes.size(); b < size; ++b) {
const auto& box = bboxes[b];
const Rectangle rect = rect_from_bbox(box, in_offset);
if (not CheckCollisionPointRec(mouse_pos, rect)) {
continue;
}
if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) {
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 (IsMouseButtonPressed(MOUSE_BUTTON_RIGHT)) {
b_delete_idx = b;
}
}
if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT)) {
b_moving_idx = idx_unset;
b_resize_idx = idx_unset;
}
if (b_moving_idx != idx_unset) {
auto& box = bboxes[b_moving_idx];
box.x += mouse_delta.x;
box.y += mouse_delta.y;
packed = false;
}
if (b_resize_idx != idx_unset) {
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);
packed = false;
}
if (b_delete_idx != idx_unset) {
bboxes.erase(bboxes.begin() + b_delete_idx);
b_delete_idx = idx_unset;
}
a2_processed = a2_processed and packed;
//
// Draw
//
BeginDrawing();
ClearBackground(RAYWHITE);
//
// Widgets: buttons, ...
//
if (GuiButton((Rectangle){padding, padding, b_size.x, b_size.y},
"Add Box")) {
bboxes.push_back(freling::BoundingBox({0, 0, 64, 64}));
}
if (GuiButton((Rectangle){padding * 2 + b_size.x, padding, b_size.x,
b_size.y},
"Pack Rects")) {
a2_processed = false;
std::optional<freling::Frame> f_packed =
freling::pack(*in_frame, bboxes, packed_bboxes);
// Update mask
in_mask.fill(false);
for (const auto& b : bboxes) {
for (int j = b.y; j < b.y + b.height; ++j) {
for (int i = b.x; i < b.x + b.width; ++i) {
in_mask.set(i, j, true);
}
}
};
if (packed) {
UnloadTexture(pack_texture);
UnloadImage(pack_img);
}
pack_img = image_from_frame(*f_packed);
pack_texture = LoadTextureFromImage(pack_img);
packed = true;
win_size.x =
std::max(win_size.x, in_offset.x + in_texture.width +
padding * 2 + pack_texture.width);
win_size.y = std::max(
win_size.y,
in_offset.y + std::max(in_texture.height, pack_texture.height) +
padding);
SetWindowSize(win_size.x, win_size.y);
}
if (GuiButton((Rectangle){padding + (padding + b_size.x) * 2, padding,
b_size.x, b_size.y},
"A2")) {
a2_bboxes = freling::A2(packed_bboxes);
a2_bboxes_origin =
freling::map_to_origin(bboxes, packed_bboxes, a2_bboxes);
a2_processed = true;
}
//
// Input image
//
DrawTexture(in_texture, in_offset.x, in_offset.y, WHITE);
DrawRectangleLines(in_offset.x, in_offset.y, in_texture.width,
in_texture.height, BLACK);
int c = 0;
for (const auto& b : bboxes) {
const auto& color = bbox_colors[c % bbox_colors.size()];
draw_resizable(b, in_offset, color);
++c;
};
c = 0;
if (a2_processed) {
for (const auto& b : a2_bboxes_origin) {
const auto& color = bbox_colors[c % bbox_colors.size()];
draw_region(b, in_offset, color);
++c;
};
}
//
// Packed image
//
if (packed) {
Vector2 pack_offset = {in_offset.x + in_texture.width + padding,
in_offset.y};
DrawTexture(pack_texture, pack_offset.x, pack_offset.y, WHITE);
DrawRectangleLines(pack_offset.x, pack_offset.y, pack_texture.width,
pack_texture.height, BLACK);
int c = 0;
for (const auto& b : packed_bboxes) {
const auto& color = bbox_colors[c % bbox_colors.size()];
const Rectangle rect = rect_from_bbox(b, pack_offset);
DrawRectangleLinesEx(rect, 2, color);
++c;
};
if (a2_processed) {
int c = 0;
for (const auto& b : a2_bboxes) {
const auto& color = bbox_colors[c % bbox_colors.size()];
draw_region(b, pack_offset, color);
++c;
};
}
}
EndDrawing();
}
// Cleanup
UnloadTexture(in_texture);
UnloadImage(in_img);
if (packed) {
UnloadTexture(pack_texture);
UnloadImage(pack_img);
}
CloseWindow();
return 0;
}