diff options
Diffstat (limited to 'kernel/src/misc/graphics.c')
| -rw-r--r-- | kernel/src/misc/graphics.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/kernel/src/misc/graphics.c b/kernel/src/misc/graphics.c index 8f2dd05..38665a5 100644 --- a/kernel/src/misc/graphics.c +++ b/kernel/src/misc/graphics.c @@ -27,8 +27,10 @@ void set_color(fb_t *fb, uint32_t char_col, uint32_t bg_col) void clear_screen(fb_t fb) { - for (size_t i = 0; i < fb.height; i++) { - for (size_t j = 0; j < fb.width; j++) { + size_t i; + size_t j; + for (i = 0; i < fb.height; i++) { + for (j = 0; j < fb.width; j++) { fb_draw_pixel(fb, (int32_t)i, (int32_t)j, BLACK); } } @@ -48,8 +50,9 @@ void fb_draw_line_low(fb_t fb, int32_t x0, int32_t y0, int32_t x1, int32_t y1, } int32_t D = (2 * dy) - dx; int32_t y = y0; + int32_t x; - for (int32_t x = x0; x <= x1; x++) { + for (x = x0; x <= x1; x++) { fb_draw_pixel(fb, x, y, col); if (D > 0) { y = y + yi; @@ -73,7 +76,8 @@ void fb_draw_line_high(fb_t fb, int32_t x0, int32_t y0, int32_t x1, int32_t y1, int32_t D = (2 * dx) - dy; int32_t x = x0; - for (int32_t y = y0; y <= y1; y++) { + int32_t y; + for (y = y0; y <= y1; y++) { fb_draw_pixel(fb, x, y, col); if (D > 0) { x = x + xi; @@ -106,8 +110,10 @@ void fb_draw_character(fb_t fb, char c, int32_t x, int32_t y) return; int32_t offset = 32 + c * 16; - for (int32_t i = 0; i < 16; i++) { - for (int32_t j = 0; j < 8; j++) { + int32_t i; + int32_t j; + for (i = 0; i < 16; i++) { + for (j = 0; j < 8; j++) { if (font[offset + i] & (1 << (7 - j))) { fb_draw_pixel(fb, x + j, y + i, fb.char_col); } else { |