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implements PrintScreenFile16

This commit is contained in:
Dethrace Labs 2025-04-02 23:42:17 -07:00
parent 08ff6f20c0
commit 14e8021bd5
1 changed files with 49 additions and 7 deletions
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56
src/DETHRACE/common/utility.c
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@ -673,19 +673,20 @@ void PrintScreenFile(FILE* pF) {
LOG_TRACE("(%p)", pF);
bit_map_size = gBack_screen->height * gBack_screen->row_bytes;
offset = 0x436;
// 1. BMP Header
// 1. 'BM' Signature
WriteU8L(pF, 'B');
WriteU8L(pF, 'M');
// 2. File size in bytes (header = 0xe bytes; infoHeader = 0x28 bytes; colorTable = 0x400 bytes; pixelData = xxx)
WriteU32L(pF, bit_map_size + 0x436);
WriteU32L(pF, bit_map_size + offset);
// 3. unused
WriteU16L(pF, 0);
// 4. unused
WriteU16L(pF, 0);
// 5. pixelData offset (from beginning of file)
WriteU32L(pF, 0x436);
WriteU32L(pF, offset);
// 2. Info Header
// 1. InfoHeader Size
@ -727,13 +728,13 @@ void PrintScreenFile(FILE* pF) {
}
// 4. Pixel Data (=LUT)
offset = bit_map_size - gBack_screen->row_bytes;
pixel_ptr = (tU8*)gBack_screen->pixels + bit_map_size - gBack_screen->row_bytes;
for (i = 0; i < gBack_screen->height; i++) {
for (j = 0; j < gBack_screen->row_bytes; j++) {
WriteU8L(pF, ((tU8*)gBack_screen->pixels)[offset]);
offset++;
WriteU8L(pF, *pixel_ptr);
pixel_ptr++;
}
offset -= 2 * gBack_screen->row_bytes;
pixel_ptr -= 2 * gBack_screen->row_bytes;
}
WriteU16L(pF, 0);
}
@ -747,7 +748,48 @@ void PrintScreenFile16(FILE* pF) {
tU8* pixel_ptr;
tU16 pixel;
LOG_TRACE("(%p)", pF);
NOT_IMPLEMENTED();
bit_map_size = 3 * gBack_screen->height * gBack_screen->width;
offset = 54;
// 1. 'BM' Signature
WriteU8L(pF, 'B');
WriteU8L(pF, 'M');
// 2. File size in bytes (header = 0xe bytes; infoHeader = 0x28 bytes; pixelData = xxx)
WriteU32L(pF, bit_map_size + offset);
WriteU16L(pF, 0);
WriteU16L(pF, 0);
// 5. pixelData offset (from beginning of file)
WriteU32L(pF, offset);
// 2. Info Header
// 1. InfoHeader Size
WriteU32L(pF, 0x28);
// width
WriteU32L(pF, gBack_screen->width);
// height
WriteU32L(pF, gBack_screen->height);
// 4. Number of planes
WriteU16L(pF, 1);
// 5. Bits per pixels / palletization (24 = 3 bytes per pixel)
WriteU16L(pF, 24);
WriteU32L(pF, 0);
WriteU32L(pF, 0);
WriteU32L(pF, 0);
WriteU32L(pF, 0);
WriteU32L(pF, 0);
WriteU32L(pF, 256);
pixel_ptr = (tU8*)gBack_screen->pixels + (gBack_screen->height - 1) * gBack_screen->row_bytes;
for (i = 0; i < gBack_screen->height; i++) {
for (j = 0; j < gBack_screen->width; j++) {
pixel = *(tU16*)pixel_ptr;
WriteU8L(pF, 8 * pixel);
WriteU8L(pF, (pixel >> 3) & 0xF8);
WriteU8L(pF, (pixel >> 8) & 0xF8);
pixel_ptr += 2;
}
pixel_ptr -= (gBack_screen->row_bytes + 2 * gBack_screen->width);
}
WriteU16L(pF, 0);
}
// IDA: void __cdecl PrintScreen()