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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5281 | ZblCoder | 1 | #include "smalllibc/kosSyst.h" |
| 5276 | ZblCoder | 2 | #include "render.h" |
| 5281 | ZblCoder | 3 | #include "smalllibc/func.h" |
| 5276 | ZblCoder | 4 | #include "image.h" |
| 5 | //#include "mymath.h" |
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| 6 | |||
| 7 | CKosImage::CKosImage(CKosRender *render, RGBA *buffer, int width, int height) |
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| 8 | { |
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| 9 | this->isColor = false; |
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| 10 | this->width = width; |
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| 11 | this->height = height; |
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| 12 | this->buffer = buffer; |
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| 13 | this->render = render; |
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| 14 | this->mode = DRAW_ALPHA; |
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| 15 | this->frame = 0; |
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| 16 | this->frameWidth = 0; |
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| 17 | this->frameHeight = 0; |
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| 18 | } |
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| 19 | |||
| 20 | CKosImage::~CKosImage(void) |
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| 21 | { |
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| 22 | |||
| 23 | } |
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| 24 | |||
| 25 | void CKosImage::SetMode(int mode) |
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| 26 | { |
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| 27 | this->mode = mode; |
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| 28 | } |
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| 29 | |||
| 30 | void CKosImage::SetFrameSize(int width, int height) |
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| 31 | { |
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| 32 | this->frameWidth = width; |
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| 33 | this->frameHeight = height; |
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| 34 | } |
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| 35 | |||
| 36 | void CKosImage::Draw(Point position, float angle, RGB color) |
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| 37 | { |
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| 38 | this->isColor = true; |
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| 39 | this->color = color; |
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| 40 | this->Draw(position, angle); |
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| 41 | this->isColor = false; |
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| 42 | } |
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| 43 | |||
| 44 | int CKosImage::getPixel(int x, int y) |
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| 45 | { |
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| 46 | return y * this->width + x; |
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| 47 | } |
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| 48 | |||
| 49 | void CKosImage::Draw(Point position, float angle, int frame) |
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| 50 | { |
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| 51 | this->frame = frame; |
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| 52 | Draw(position, angle); |
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| 53 | } |
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| 54 | |||
| 55 | void CKosImage::Draw(Point position, float angle) |
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| 56 | { |
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| 57 | float alpha; |
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| 58 | Point p, p1; |
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| 59 | RGB pixel, newPixel; |
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| 60 | RGBA addPixel; |
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| 61 | int PixelID; |
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| 62 | Point fix; |
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| 63 | if (angle == 270) |
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| 64 | fix = Point(0, -1); |
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| 65 | else |
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| 66 | if (angle == 180) |
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| 67 | fix = Point(-1, -1); |
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| 68 | else |
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| 69 | if (angle == 90) |
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| 70 | fix = Point(-1, 0); |
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| 71 | else |
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| 72 | fix = Point(0, 0); |
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| 73 | |||
| 74 | Point center = Point(this->width / 2, this->height / 2); |
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| 75 | double a = -angle * (3.14 / 180); |
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| 76 | |||
| 77 | double SinRad = sin(a); |
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| 78 | double CosRad = cos(a); |
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| 79 | |||
| 80 | for (int y = 0; y < 24; ++y) |
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| 81 | for (int x = 0; x < 24; ++x) |
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| 82 | { |
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| 83 | p1 = Point(x, y) - center; |
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| 84 | |||
| 85 | p.X = roundInt(p1.X * CosRad - p1.Y * SinRad) + center.X; |
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| 86 | p.Y = roundInt(p1.X * SinRad + p1.Y * CosRad) + center.Y; |
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| 87 | |||
| 88 | if (p.X >= 0 && p.X < this->width && p.Y >= 0 && p.Y < this->height) |
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| 89 | { |
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| 90 | p.Y += this->frame * this->frameHeight; |
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| 91 | addPixel = this->buffer[this->getPixel(p.X, p.Y)]; |
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| 92 | PixelID = this->render->getPixel(x + fix.X, y + fix.Y); |
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| 93 | pixel = this->render->buffer[PixelID]; |
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| 94 | |||
| 95 | if (addPixel.a > 0) |
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| 96 | { |
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| 97 | if (this->isColor) |
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| 98 | { |
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| 99 | addPixel.r = this->color.r; |
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| 100 | addPixel.g = this->color.g; |
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| 101 | addPixel.b = this->color.b; |
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| 102 | } |
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| 103 | |||
| 104 | alpha = (float)addPixel.a / 255.0f; |
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| 105 | |||
| 106 | if (this->mode = DRAW_ALPHA) |
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| 107 | { |
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| 108 | newPixel.r = di((double)(pixel.r * (1 - alpha) + addPixel.r * alpha)); |
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| 109 | newPixel.g = di((double)(pixel.g * (1 - alpha) + addPixel.g * alpha)); |
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| 110 | newPixel.b = di((double)(pixel.b * (1 - alpha) + addPixel.b * alpha)); |
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| 111 | } |
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| 112 | else |
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| 113 | if (this->mode = DRAW_ALPHA_ADD) |
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| 114 | { |
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| 115 | newPixel.r = di(min(255, (double)(pixel.r * (1 - alpha) + addPixel.r * alpha))); |
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| 116 | newPixel.g = di(min(255, (double)(pixel.g * (1 - alpha) + addPixel.g * alpha))); |
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| 117 | newPixel.b = di(min(255, (double)(pixel.b * (1 - alpha) + addPixel.b * alpha))); |
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| 118 | } |
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| 119 | else |
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| 120 | { |
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| 121 | newPixel.r = addPixel.r; |
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| 122 | newPixel.g = addPixel.g; |
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| 123 | newPixel.b = addPixel.b; |
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| 124 | } |
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| 125 | |||
| 126 | this->render->buffer[PixelID] = newPixel; |
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| 127 | } |
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| 128 | } |
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| 129 | } |
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| 130 | } |