Revision 112
fixed problemin 3rd function
| lab5/graphics.c | ||
|---|---|---|
| 73 | 73 |
return (vbe_mem_info.BitsPerPixel + 7) >> 3; |
| 74 | 74 |
} |
| 75 | 75 |
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| 76 |
uint16_t get_RedMaskSize(void){
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| 77 |
return vbe_mem_info.RedMaskSize;
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| 78 |
} |
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| 76 |
uint16_t get_RedMaskSize (void){ return vbe_mem_info.RedMaskSize ; }
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| 77 |
uint16_t get_GreenMaskSize(void){ return vbe_mem_info.GreenMaskSize; }
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| 78 |
uint16_t get_BlueMaskSize (void){ return vbe_mem_info.BlueMaskSize ; }
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| 79 | 79 |
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| 80 |
uint16_t get_GreenMaskSize(void){
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| 81 |
return vbe_mem_info.GreenMaskSize; |
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} |
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| 83 |
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uint16_t get_BlueMaskSize(void){
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| 85 |
return vbe_mem_info.BlueMaskSize; |
|
| 86 |
} |
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| 88 | 80 |
int (map_vram)(void) {
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| 89 | 81 |
int r; |
| 90 | 82 |
unsigned int vram_base = get_phys_addr(); |
| ... | ... | |
| 104 | 96 |
return !lm_free(&mem_map); |
| 105 | 97 |
} |
| 106 | 98 |
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| 107 |
int (set_pixel)(uint16_t row, uint16_t col, uint32_t color) {
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| 108 |
if (row >= vbe_mem_info.XResolution || col >= vbe_mem_info.YResolution) {
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| 99 |
int (set_pixel)(uint16_t x, uint16_t y, uint32_t color) {
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| 100 |
if (x >= vbe_mem_info.XResolution || y >= vbe_mem_info.YResolution) {
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| 109 | 101 |
printf("%s: invalid pixel.\n", __func__);
|
| 110 | 102 |
return OUT_OF_RANGE; |
| 111 | 103 |
} |
| 112 |
unsigned int pos = (row + col * vbe_mem_info.XResolution) * get_bytes_pixel();
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| 104 |
unsigned int pos = (x + y * vbe_mem_info.XResolution) * get_bytes_pixel();
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| 113 | 105 |
memcpy((void*)((unsigned int)video_mem + pos), &color, get_bytes_pixel()); |
| 114 | 106 |
return SUCCESS; |
| 115 | 107 |
} |
| ... | ... | |
| 138 | 130 |
int r; |
| 139 | 131 |
for (int i = 0; i < len; i++) |
| 140 | 132 |
if ((r = set_pixel(x + i, y, color))) return r; |
| 141 |
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| 142 | 133 |
return SUCCESS; |
| 143 | 134 |
} |
| 144 | 135 |
|
| lab5/lab5.c | ||
|---|---|---|
| 184 | 184 |
if (vg_exit()) printf("%s: vg_exit failed to exit to text mode.\n", __func__);
|
| 185 | 185 |
return 1; |
| 186 | 186 |
} |
| 187 |
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| 187 | 188 |
uint16_t W = get_XRes()/no_rectangles; |
| 188 | 189 |
uint16_t H = get_YRes()/no_rectangles; |
| 189 | 190 |
uint32_t color, R, G, B; |
| 190 | 191 |
for(uint8_t row = 0; row < no_rectangles; ++row){
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| 191 | 192 |
for(uint8_t col = 0; col < no_rectangles; ++col){
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| 192 |
if(mode == 0x105){
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| 193 |
if(get_bytes_pixel() == 1){
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| 193 | 194 |
color = (first + (row * no_rectangles + col) * step) % (1 << get_bits_pixel()); |
| 194 | 195 |
}else{
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R = (first + col*step) % (1 << get_RedMaskSize());
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| 196 |
G = (first + row*step) % (1 << get_GreenMaskSize());
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| 197 |
B = (first + (col+row)*step) % (1 << get_BlueMaskSize());
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| 196 |
R = (0xFF&(first>>16) + col*step) % (1 << get_RedMaskSize());
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G = (0xFF&(first>> 8) + row*step) % (1 << get_GreenMaskSize());
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B = (0xFF&(first ) + (col+row)*step) % (1 << get_BlueMaskSize());
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| 198 | 199 |
color = (R<<16) | (G<<8) | (B); |
| 199 | 200 |
} |
| 200 | 201 |
if (vg_draw_rectangle(col*W,row*H,W,H,color)) {
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