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@ -2022,15 +2022,16 @@ void ImageClearBackground(Image *dst, Color color) |
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// Draw pixel within an image |
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void ImageDrawPixel(Image *dst, Vector2 position, Color color) |
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{ |
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{ |
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ImageDrawRectangle(dst, (Rectangle){ position.x, position.y, 1.0f, 1.0f }, color); |
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} |
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// Draw circle within an image |
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void ImageDrawCircle(Image *dst, Vector2 center, int radius, Color color) |
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{ |
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int x = 0, y = radius, xc = center.x, yc = center.y; |
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int decesionParameter = 3 - 2 * radius; |
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int x = 0, y = radius, xc = (int)center.x, yc = (int)center.y; |
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int decesionParameter = 3 - 2*radius; |
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while (y >= x) |
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{ |
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ImageDrawPixel(dst, (Vector2){ xc + x, yc + y }, color); |
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@ -2042,33 +2043,34 @@ void ImageDrawCircle(Image *dst, Vector2 center, int radius, Color color) |
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ImageDrawPixel(dst, (Vector2){ xc + y, yc - x }, color); |
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ImageDrawPixel(dst, (Vector2){ xc - y, yc - x }, color); |
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x++; |
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if (decesionParameter > 0) |
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{ |
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y--; |
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decesionParameter = decesionParameter + 4 * (x - y) + 10; |
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decesionParameter = decesionParameter + 4*(x - y) + 10; |
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} |
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else |
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decesionParameter = decesionParameter + 4 * x + 6; |
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else decesionParameter = decesionParameter + 4*x + 6; |
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} |
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} |
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// Draw line within an image |
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void ImageDrawLineEx(Image *dst, Vector2 start, Vector2 end, Color color) |
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{ |
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int x1 = start.x, y1 = start.y, x2 = end.x, y2 = end.y; |
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int m = 2 * (y2 - y1); |
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int slopeError = m - (x2 - x1); |
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for (int x = x1, y = y1; x <= x2; x++) |
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int x1 = (int)start.x, y1 = (int)start.y, x2 = (int)end.x, y2 = (int)end.y; |
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int m = 2*(y2 - y1); |
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int slopeError = m - (x2 - x1); |
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for (int x = x1, y = y1; x <= x2; x++) |
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{ |
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ImageDrawPixel(dst, (Vector2){ x, y }, color); |
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slopeError += m; |
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if (slopeError >= 0) |
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{ |
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if (slopeError >= 0) |
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{ |
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y++; |
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slopeError -= 2 * (x2 - x1); |
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} |
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} |
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slopeError -= 2*(x2 - x1); |
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} |
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} |
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} |
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// Draw text (default font) within an image (destination) |
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