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Stability improvements

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boreddevnl
2026-02-26 21:45:57 +01:00
parent 2801dbc21f
commit fcc290f3f9
32 changed files with 171 additions and 97 deletions
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46
src/kernel/graphics.c
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@@ -287,6 +287,7 @@ void draw_char(int x, int y, char c, uint32_t color) {
}
void draw_string(int x, int y, const char *s, uint32_t color) {
if (!s) return;
int cur_x = x;
int cur_y = y;
while (*s) {
@@ -370,22 +371,22 @@ void graphics_set_bg_image(uint32_t *pixels, int w, int h) {
void draw_boredos_logo(int x, int y, int scale) {
static const uint8_t brewos_bmp[] = {
0,0,1,1,1,0,0,0,0,0,0,1,1,1,0,0, // 0: Ears
0,1,1,1,1,0,0,0,0,0,0,1,1,1,1,0, // 1: Ears
1,1,1,1,1,0,0,0,0,0,0,1,1,1,1,1, // 2: Ears (Separated)
1,1,1,1,2,2,2,2,2,2,2,2,1,1,1,1, // 3: Forehead / Ears
1,1,1,2,2,2,2,2,2,2,2,2,2,1,1,1, // 4: Face
1,1,2,2,2,1,1,2,2,1,1,2,2,2,1,1, // 5: Eyes start
1,1,2,2,1,1,1,1,1,1,1,1,2,2,1,1, // 6: Eyes
1,1,2,2,1,1,1,1,1,1,1,1,2,2,1,1, // 7: Eyes
1,1,2,2,1,1,1,1,1,1,1,1,2,2,1,1, // 8: Eyes
1,1,2,2,2,1,1,2,2,1,1,2,2,2,1,1, // 9: Under eyes
1,1,2,2,2,2,2,1,1,2,2,2,2,2,1,1, // 10: Nose
1,1,2,2,2,2,2,2,2,2,2,2,2,2,1,1, // 11: Cheeks
1,1,1,2,2,2,2,2,2,2,2,2,2,1,1,1, // 12: Jaw
0,1,1,1,2,2,2,2,2,2,2,2,1,1,1,0, // 13: Chin
0,0,1,1,1,2,2,2,2,2,2,1,1,1,0,0, // 14: Chin outline
0,0,0,1,1,1,1,1,1,1,1,1,1,0,0,0 // 15: Bottom
0,0,1,1,1,0,0,0,0,0,0,1,1,1,0,0,
0,1,1,1,1,0,0,0,0,0,0,1,1,1,1,0,
1,1,1,1,1,0,0,0,0,0,0,1,1,1,1,1,
1,1,1,1,2,2,2,2,2,2,2,2,1,1,1,1,
1,1,1,2,2,2,2,2,2,2,2,2,2,1,1,1,
1,1,2,2,2,1,1,2,2,1,1,2,2,2,1,1,
1,1,2,2,1,1,1,1,1,1,1,1,2,2,1,1,
1,1,2,2,1,1,1,1,1,1,1,1,2,2,1,1,
1,1,2,2,1,1,1,1,1,1,1,1,2,2,1,1,
1,1,2,2,2,1,1,2,2,1,1,2,2,2,1,1,
1,1,2,2,2,2,2,1,1,2,2,2,2,2,1,1,
1,1,2,2,2,2,2,2,2,2,2,2,2,2,1,1,
1,1,1,2,2,2,2,2,2,2,2,2,2,1,1,1,
0,1,1,1,2,2,2,2,2,2,2,2,1,1,1,0,
0,0,1,1,1,2,2,2,2,2,2,1,1,1,0,0,
0,0,0,1,1,1,1,1,1,1,1,1,1,0,0,0
};
for (int r = 0; r < 16; r++) {
@@ -435,6 +436,15 @@ void graphics_flip_buffer(void) {
}
void graphics_set_clipping(int x, int y, int w, int h) {
if (x < 0) { w += x; x = 0; }
if (y < 0) { h += y; y = 0; }
int sw = get_screen_width();
int sh = get_screen_height();
if (x + w > sw) w = sw - x;
if (y + h > sh) h = sh - y;
if (w < 0) w = 0;
if (h < 0) h = 0;
g_clip_x = x;
g_clip_y = y;
g_clip_w = w;
@@ -459,9 +469,7 @@ void graphics_blit_buffer(uint32_t *src, int dst_x, int dst_y, int w, int h) {
if (vx < 0 || vx >= sw) continue;
uint32_t pcol = src[y * w + x];
// Alpha blending support:
// If the alpha byte is 0, we treat it as transparent ONLY if the color is also 0.
// This handles common 0xRRGGBB as opaque.
if ((pcol & 0xFF000000) != 0 || (pcol & 0xFFFFFF) != 0) {
g_back_buffer[vy * sw + vx] = pcol;
}