Crafter.Graphics/Crafter.Graphics-WindowWaylandWayland.cpp

102 lines
No EOL
3.2 KiB
C++

module;
#include <errno.h>
#include <fcntl.h>
#include <linux/input.h>
#include <string>
#include <sys/mman.h>
#include <unistd.h>
#include <wayland-cursor.h>
#include <xkbcommon/xkbcommon.h>
#include <iostream>
#include <vulkan/vulkan.h>
#include <vulkan/vulkan_wayland.h>
#include <wayland-client.h>
#include <cstring>
#include "xdg-shell-client-protocol.h"
#include "wayland-xdg-decoration-unstable-v1-client-protocol.h"
#define _POSIX_C_SOURCE 200809L
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <sys/mman.h>
#include <time.h>
#include <unistd.h>
#include <print>
#include "cat.h"
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <unistd.h>
#include <wayland-client.h>
#include <wayland-client-protocol.h>
#include <linux/input-event-codes.h>
#include <cmath>
#include <thread>
module Crafter.Graphics;
import Crafter.Event;
using namespace Crafter;
void ScaleBitmapR8G8B8(Pixel* dst, const Pixel* src, std::uint32_t srcWidth, std::uint32_t srcHeight, std::uint32_t dstWidth, std::uint32_t dstHeight) {
for (std::uint32_t y = 0; y < dstHeight; y++) {
std::uint32_t srcY = y * srcHeight / dstHeight;
for (std::uint32_t x = 0; x < dstWidth; x++) {
std::uint32_t srcX = x * srcWidth / dstWidth;
const Pixel* srcPixel = src + (srcY * srcWidth + srcX);
Pixel* dstPixel = dst + (y * dstWidth + x);
dstPixel[0] = srcPixel[0];
}
}
}
WindowWaylandWayland::WindowWaylandWayland(std::string name, std::uint32_t width, std::uint32_t height) : WindowWayland(name, width, height) {
}
void WindowWaylandWayland::Start() {
thread = std::thread([this](){
while (open && wl_display_dispatch(display) != -1) {
wl_surface_attach(surface, buffer, 0, 0);
for(UiElement* element : elements.components) {
std::int32_t realX;
std::int32_t realY;
std::int32_t elementWidth;
std::int32_t elementHeight;
if(element->ignoreScaling) {
if(element->useRelativeSize) {
elementWidth = element->relativeWidth*width;
elementHeight = element->relativeHeight*height;
} else {
elementWidth = element->absoluteWidth;
elementHeight = element->absoluteHeight;
}
} else {
if(element->useRelativeSize) {
elementWidth = element->relativeWidth*width*scale;
elementHeight = element->relativeHeight*height*scale;
} else {
elementWidth = element->absoluteWidth*scale;
elementHeight = element->absoluteHeight*scale;
}
}
realX = (element->anchorX*width)-(element->anchorOffsetX*elementWidth);
realY = (element->anchorY*height)-(element->anchorOffsetY*elementHeight);
std::vector<Pixel> scaled(elementWidth*elementHeight);
ScaleBitmapR8G8B8(scaled.data(), element->buffer.data(), element->bufferWidth, element->bufferHeight, elementWidth, elementHeight);
for(std::int32_t x = realX; x-realX < elementWidth; x++) {
for(std::int32_t y = realY; y-realY < elementHeight; y++) {
if(x > 0 && x < width && y > 0 && y < height) {
shm_data[x*width+y] = scaled[(x-realX)*elementWidth+(y-realY)];
}
}
}
wl_surface_damage(surface, realX, realY, elementWidth, elementHeight);
}
wl_surface_commit(surface);
}
});
}