widget_image.c

#include <kernel.h>
#include "desktop/widget.h"
#include "desktop/widget_image.h"
#include "fmt/tga.h"
#include "io/serial_port.h"
#include "io/rgb_image.h"
#include "sys/pixfmt.h"
 
void destroy_widget_image(Widget_t* widget);
 
void widget_image_renderer(struct Widget* this, struct Window* window) {
    Widget_Image_t* this_data = (Widget_Image_t*)(this->custom_widget_data);
 
    if(this_data->image_data == NULL)
        return;
 
    size_t real_width = this_data->meta.w;
    size_t real_height = this_data->meta.h;
 
    draw_rgb_image(this_data->image_data, real_width, real_height, 32, this->x, this->y);
//    drawRect(this->x, this->y, real_width, real_height, 0xff0000);
}
 
Widget_t* new_widget_image(const char *path) {
    Widget_t* wgt = new_bare_widget(
        &widget_image_renderer,
        &destroy_widget_image,
        0, 0,
        0, 0
    );
 
    tga_header_t hdr;
 
    bool ok = tga_extract_info(path, &hdr);
 
    wgt->custom_widget_data = kcalloc(sizeof(Widget_Image_t), 1);
    Widget_Image_t* wgt_data = (Widget_Image_t*)wgt->custom_widget_data;
 
    if(!ok) {
        wgt_data->loaded = false;
 
        return wgt;
    }
 
    wgt_data->path = path;
    wgt_data->display_mode = NORMAL;
    wgt_data->meta = hdr;
 
    wgt->width = hdr.w;
    wgt->height = hdr.h;
 
    void* buffer_image = kcalloc(hdr.w * hdr.h, 4);
    wgt_data->image_data = buffer_image;
 
    tga_extract_pixels(path, buffer_image);
 
    pixfmt_conv(buffer_image, 32, hdr.w, hdr.h, SCREEN_BGR, SCREEN_RGB);
 
//    hexview_advanced(buffer_image, 512, 24, true, new_qemu_printf);
 
    qemu_ok("Loaded successfully!");
 
    return wgt;
}
 
void destroy_widget_image(Widget_t* widget) {
    Widget_Image_t* wgt_data = (Widget_Image_t*)(widget->custom_widget_data);
 
    kfree(wgt_data->image_data);
    kfree(widget->custom_widget_data);
 
    qemu_ok("Destroyed image widget");
}