* Allocate memory for the bitmap holding the tty window */
| 358 | * Allocate memory for the bitmap holding the tty window |
| 359 | */ |
| 360 | static short |
| 361 | alloc_bits(tty_record *record) |
| 362 | { |
| 363 | short s_err; |
| 364 | |
| 365 | SetRect(&record->its_bits.bounds, 0, 0, |
| 366 | record->char_width * record->x_size, |
| 367 | record->row_height * record->y_size); |
| 368 | |
| 369 | /* |
| 370 | * Clear two highest and lowest bit - not a color pixMap, and even in size |
| 371 | */ |
| 372 | record->its_bits.rowBytes = |
| 373 | ((record->its_bits.bounds.right + 15) >> 3) & 0x1ffe; |
| 374 | |
| 375 | if (record->uses_gworld) { |
| 376 | s_err = allocate_offscreen_world(record); |
| 377 | #if !TARGET_API_MAC_CARBON |
| 378 | } else { |
| 379 | s_err = alloc_ptr((void **) &(record->its_bits.baseAddr), |
| 380 | record->its_bits.rowBytes |
| 381 | * record->its_bits.bounds.bottom); |
| 382 | if (!s_err) { |
| 383 | s_err = alloc_ptr((void **) &(record->offscreen_port), |
| 384 | sizeof(GrafPort)); |
| 385 | } |
| 386 | if (!s_err) { |
| 387 | OpenPort(record->offscreen_port); |
| 388 | SetPort(record->offscreen_port); |
| 389 | ClipRect(&(record->its_bits.bounds)); |
| 390 | SetPortBits(&(record->its_bits)); |
| 391 | } |
| 392 | #endif |
| 393 | } |
| 394 | return s_err; |
| 395 | } |
| 396 | |
| 397 | /* |
| 398 | * Save the current port/world in a safe place for later retrieval |
no test coverage detected