surface.h

//
// Created by camilo on 2024-10-01 05:36 <3ThomasBorregaardSorensen!!
//
#pragma once
 
 
#include "acme/graphics/image/pixmap.h"
#include <cairo/cairo.h>
 
 
inline cairo_surface_t * cairo_surface_for_pixmap(::pixmap & pixmap)
{
 
   return cairo_image_surface_create_for_data(
      (::u8 *) pixmap.m_pimage32,              // Pointer to the raw data in memory
      CAIRO_FORMAT_ARGB32,    // Data format (ARGB32)
      pixmap.width(),                  // Width of the surface
      pixmap.height(),                 // Height of the surface
      pixmap.m_iScan                 // Stride (number of bytes per row)
   );
 
}
 
 
inline ::pixmap get_raw_data_from_cairo_surface(::memory & memoryHost, cairo_surface_t *surface) {
   // Ensure the surface format is ARGB32
   if (cairo_image_surface_get_format(surface) != CAIRO_FORMAT_ARGB32) {
      fprintf(stderr, "Surface format is not ARGB32.\n");
      return{};
   }
 
   // Get the width, height, and stride of the surface
   ::i32 width = cairo_image_surface_get_width(surface);
   ::i32 height = cairo_image_surface_get_height(surface);
   ::i32 stride = cairo_image_surface_get_stride(surface);
 
   // Get the raw pixel data
   ::u8 *data = cairo_image_surface_get_data(surface);
 
   // Ensure the data is not NULL
   if (!data) {
      fprintf(stderr, "Failed to get the surface data.\n");
      return{};
   }
 
   memoryHost.set_size(stride * height);
 
   ::pixmap pixmap;
 
   //memcpy(memoryHost.data(), data, memoryHost.size());
 
   pixmap.m_pimage32 = (::image32_t *) memoryHost.data();
   pixmap.m_sizeRaw.cx = width;
   pixmap.m_sizeRaw.cy = height;
   pixmap.m_size.cx = width;
   pixmap.m_size.cy = height;
   pixmap.m_iScan = stride;
 
   pixmap.m_pimage32->copy_swap_red_blue(width, height,stride, (image32_t*) data, stride);
 
   return pixmap;
 
}