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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5231 | raandoom | 1 | #include "paint.h" |
| 2 | |||
| 3 | typedef struct { |
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| 4 | char b; |
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| 5 | char g; |
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| 6 | char r; |
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| 7 | } rgb; |
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| 8 | |||
| 9 | struct { |
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| 10 | rect area; |
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| 11 | rgb* image; |
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| 12 | } canvas = {0}; |
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| 13 | |||
| 14 | __u32 canvas_index(__u16 row, __u16 column) { |
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| 15 | return column + row * canvas.area.width; |
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| 16 | } |
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| 17 | |||
| 18 | point canvas_position(__u32 index) { |
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| 19 | point p = { |
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| 20 | .x = index % canvas.area.width, |
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| 21 | .y = index / canvas.area.width |
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| 22 | }; |
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| 23 | return p; |
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| 24 | } |
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| 25 | |||
| 26 | void canvas_init(rect *r) |
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| 27 | { |
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| 28 | canvas.area = *r; |
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| 29 | |||
| 30 | canvas_delete(); |
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| 31 | canvas.image = malloc(r->width * r->height * sizeof(rgb)); |
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| 32 | } |
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| 33 | |||
| 34 | void canvas_delete() |
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| 35 | { |
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| 36 | if (canvas.image) |
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| 37 | free(canvas.image); |
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| 38 | } |
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| 39 | |||
| 40 | void canvas_fill(__u32 color) |
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| 41 | { |
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| 42 | if (canvas.image) |
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| 43 | { |
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| 44 | __u32 i = 0; |
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| 45 | __u32 len = canvas.area.width * canvas.area.height; |
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| 46 | for (i = 0; i < len; i++) |
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| 47 | { |
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| 48 | canvas.image[i] = *((rgb*)(&color)); |
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| 49 | } |
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| 50 | } |
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| 51 | } |
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| 52 | |||
| 53 | void canvas_draw_rect(rect *r, __u32 color) |
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| 54 | { |
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| 55 | if (canvas.image) |
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| 56 | { |
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| 57 | __u32 row = 0; |
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| 58 | __u32 column = 0; |
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| 59 | rgb* c = (rgb*)(&color); |
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| 60 | |||
| 61 | for (row = 0; row < r->height; row++) |
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| 62 | { |
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| 63 | for (column = 0; column < (r->width); column++) |
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| 64 | { |
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| 65 | canvas.image[canvas_index(row + r->y - canvas.area.y, |
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| 66 | column + r->x - canvas.area.x)] = *c; |
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| 67 | } |
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| 68 | } |
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| 69 | } |
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| 70 | } |
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| 71 | |||
| 72 | void canvas_draw_text(rect* r, char* txt, __u32 len, __u32 color) |
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| 73 | { |
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| 74 | __u32 w; |
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| 75 | __u32 h; |
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| 76 | char* mem; |
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| 77 | |||
| 78 | h = FONT_HEIGHT; |
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| 79 | w = len * FONT_WIDTH + len; |
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| 80 | mem = malloc(sizeof(__u32) * 2 + h * w * sizeof(__u32)); |
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| 81 | |||
| 82 | memset(mem,0,sizeof(__u32) * 2 + h * w * sizeof(__u32)); |
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| 83 | ((__u32*)mem)[0] = w; |
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| 84 | ((__u32*)mem)[1] = h; |
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| 85 | |||
| 86 | __asm__ __volatile__("int $0x40":: |
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| 87 | "a"(4), |
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| 88 | "b"(0), |
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| 89 | "c"(color | (8 << 24)), |
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| 90 | "d"((__u32)txt), |
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| 91 | "S"(len), |
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| 92 | "D"((__u32)(mem))); |
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| 93 | |||
| 5252 | raandoom | 94 | __u16 x = r->x + (r->width - (len * FONT_WIDTH + len) * 2) / 2 - canvas.area.x; |
| 95 | __u16 y = r->y + (r->height - FONT_HEIGHT * 2) / 2 - canvas.area.y; |
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| 96 | |||
| 5231 | raandoom | 97 | int row = 0; |
| 98 | int column = 0; |
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| 99 | __u32* __mem = (__u32*)(mem + 8); |
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| 100 | for (row = 0; row < h; row++) |
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| 101 | { |
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| 102 | for (column = 0; column < w; column++) |
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| 103 | { |
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| 104 | __u32 c = __mem[column + row * w]; |
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| 105 | if (c & 0xFF000000) |
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| 106 | { |
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| 5252 | raandoom | 107 | canvas.image[canvas_index(row * 2 + y,column * 2 + x)] = *((rgb*)&c); |
| 108 | canvas.image[canvas_index(row * 2 + y,column * 2 + 1 + x)] = *((rgb*)&c); |
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| 109 | |||
| 110 | canvas.image[canvas_index(row * 2 + 1 + y,column * 2 + x)] = *((rgb*)&c); |
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| 111 | canvas.image[canvas_index(row * 2 + 1 + y,column * 2 + 1 + x)] = *((rgb*)&c); |
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| 5231 | raandoom | 112 | } |
| 113 | } |
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| 114 | } |
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| 115 | |||
| 116 | memset(mem,0,sizeof(__u32) * 2 + h * w * sizeof(__u32)); |
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| 117 | free(mem); |
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| 118 | } |
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| 119 | |||
| 120 | void canvas_draw_value(rect* r, __u32 v, __u32 color) |
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| 121 | { |
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| 122 | char buffer[16] = {0}; |
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| 123 | __u32 length = strlen(itoa(v,buffer,10)); |
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| 124 | canvas_draw_text(r,buffer,length,color); |
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| 125 | } |
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| 126 | |||
| 127 | void canvas_paint() |
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| 128 | { |
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| 129 | if (canvas.image) |
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| 130 | { |
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| 131 | __menuet__putimage(canvas.area.x, |
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| 132 | canvas.area.y, |
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| 133 | canvas.area.width, |
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| 134 | canvas.area.height, |
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| 135 | (char*)canvas.image); |
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| 136 | } |
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| 137 | } |