Karina
55ea8fc533
build: updated CMakeLists to build and copy to initramfs wip(syscalls): initial syscalls chore(ksh/kfetch): minor changes chore(gitignore): added initramfs/*
85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
|
|
// Copyright (c) 2025 0xKarinyash
|
|
|
|
#include <core/scheduler.h>
|
|
#include <core/panic.h>
|
|
#include <drivers/shitgui.h>
|
|
#include <mm/heap.h>
|
|
#include <mm/memory.h>
|
|
|
|
#define SHITGUI_TRANSPARENCY_KEY 0xFF00FF
|
|
|
|
SG_Context* main_context;
|
|
|
|
void sg_init(SG_Context *ctx) {
|
|
main_context = ctx;
|
|
}
|
|
|
|
u32 sg_get_pixel(SG_Context *ctx, SG_Point *p) {
|
|
if (!ctx->fb || !p || p->x >= ctx->width || p->y >= ctx->height) return 0;
|
|
return ctx->fb[p->y * ctx->pitch + p->x];
|
|
}
|
|
|
|
void sg_put_img(SG_Context *ctx, SG_Point *p, SG_Image *img) {
|
|
if (!ctx->fb || !img) return;
|
|
|
|
u32 start_x = p->x;
|
|
u32 start_y = p->y;
|
|
u32 draw_w = img->width;
|
|
u32 draw_h = img->height;
|
|
|
|
if (start_x >= ctx->width || start_y >= ctx->height) return;
|
|
if (start_x + draw_w > ctx->width) draw_w = ctx->width - start_x;
|
|
if (start_y + draw_h > ctx->height) draw_h = ctx->height - start_y;
|
|
|
|
for (u32 y = 0; y < draw_h; y++) {
|
|
volatile u32 *dest_ptr = &ctx->fb[(start_y + y) * ctx->pitch + start_x];
|
|
u32 *src_ptr = &img->buffer[y * img->width];
|
|
for (u32 x = 0; x < draw_w; x++) {
|
|
u32 color = src_ptr[x];
|
|
if (color != SHITGUI_TRANSPARENCY_KEY) dest_ptr[x] = color;
|
|
}
|
|
}
|
|
}
|
|
|
|
void sg_draw_rect(SG_Context *ctx, SG_Point *p, u32 w, u32 h, u32 color) {
|
|
if (!ctx->fb) return;
|
|
|
|
u32 start_x = p->x;
|
|
u32 start_y = p->y;
|
|
u32 draw_w = w;
|
|
u32 draw_h = h;
|
|
|
|
if (start_x >= ctx->width || start_y >= ctx->height) return;
|
|
if (start_x + draw_w > ctx->width) draw_w = ctx->width - start_x;
|
|
if (start_y + draw_h > ctx->height) draw_h = ctx->height - start_y;
|
|
|
|
|
|
for (u32 y = 0; y < draw_h; y++) {
|
|
volatile u32 *row_ptr = &ctx->fb[(start_y + y) * ctx->pitch + start_x];
|
|
for (u32 x = 0; x < draw_w; x++) row_ptr[x] = color;
|
|
}
|
|
}
|
|
|
|
void sg_draw_char_bitmap(SG_Context *ctx, SG_Point *p, char c, u32 color, SG_Font *font) {
|
|
if (!ctx->fb) return;
|
|
|
|
u32 start_x = p->x;
|
|
u32 start_y = p->y;
|
|
u32 draw_w = font->w;
|
|
u32 draw_h = font->h;
|
|
|
|
if (start_x >= ctx->width || start_y >= ctx->height) return;
|
|
if (start_x + draw_w > ctx->width) draw_w = ctx->width - start_x;
|
|
if (start_y + draw_h > ctx->height) draw_h = ctx->height - start_y;
|
|
|
|
for (u32 y = 0; y < draw_h; y++) {
|
|
u8 bitmap_row = font->base[(unsigned char)c * font->h + y];
|
|
volatile u32 *row_ptr = &ctx->fb[(start_y + y) * ctx->pitch + start_x];
|
|
for (u32 x = 0; x < draw_w; x++) {
|
|
if (bitmap_row & (1 << (7 - x))) {
|
|
row_ptr[x] = color;
|
|
}
|
|
}
|
|
}
|
|
} |