| 46 |
|
APPLE_32_BIT |
| 47 |
|
}; |
| 48 |
|
|
| 49 |
+ |
// 1, 2, 4 and 8 bit depths use a color palette |
| 50 |
+ |
inline bool IsDirectMode(int mode) |
| 51 |
+ |
{ |
| 52 |
+ |
return mode == APPLE_16_BIT || mode == APPLE_32_BIT; |
| 53 |
+ |
} |
| 54 |
+ |
|
| 55 |
+ |
// Return the depth code that corresponds to the specified bits-per-pixel value |
| 56 |
+ |
inline int DepthModeForPixelDepth(int depth) |
| 57 |
+ |
{ |
| 58 |
+ |
switch (depth) { |
| 59 |
+ |
case 1: return APPLE_1_BIT; |
| 60 |
+ |
case 2: return APPLE_2_BIT; |
| 61 |
+ |
case 4: return APPLE_4_BIT; |
| 62 |
+ |
case 8: return APPLE_8_BIT; |
| 63 |
+ |
case 15: case 16: return APPLE_16_BIT; |
| 64 |
+ |
case 24: case 32: return APPLE_32_BIT; |
| 65 |
+ |
default: return APPLE_1_BIT; |
| 66 |
+ |
} |
| 67 |
+ |
} |
| 68 |
+ |
|
| 69 |
+ |
// Return a bytes-per-row value (assuming no padding) for the specified depth and pixel width |
| 70 |
+ |
inline uint32 TrivialBytesPerRow(uint32 width, int mode) |
| 71 |
+ |
{ |
| 72 |
+ |
switch (mode) { |
| 73 |
+ |
case APPLE_1_BIT: return width / 8; |
| 74 |
+ |
case APPLE_2_BIT: return width / 4; |
| 75 |
+ |
case APPLE_4_BIT: return width / 2; |
| 76 |
+ |
case APPLE_8_BIT: return width; |
| 77 |
+ |
case APPLE_16_BIT: return width * 2; |
| 78 |
+ |
case APPLE_32_BIT: return width * 4; |
| 79 |
+ |
default: return width; |
| 80 |
+ |
} |
| 81 |
+ |
} |
| 82 |
+ |
|
| 83 |
|
enum { // viAppleID |
| 84 |
|
APPLE_640x480 = 0x81, |
| 85 |
|
APPLE_W_640x480, |
| 86 |
|
APPLE_800x600, |
| 87 |
|
APPLE_W_800x600, |
| 88 |
|
APPLE_1024x768, |
| 89 |
+ |
APPLE_1152x768, |
| 90 |
|
APPLE_1152x900, |
| 91 |
|
APPLE_1280x1024, |
| 92 |
|
APPLE_1600x1200, |
