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1 #ifndef TINYGI_H_
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2 #define TINYGI_H_
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3
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4 struct tinygi;
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5 struct tgi_object;
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6 struct tgi_shape;
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7 struct tgi_material;
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8
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9 struct tinygi *tgi_init(void);
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10 void tgi_destroy(struct tinygi *tgi);
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11
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12 void tgi_clear_scene(struct tinygi *tgi);
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13 int tgi_load_scene(struct tinygi *tgi, const char *fname);
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14 /* tinygi takes ownership of added objects */
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15 void tgi_add_object(struct tinygi *tgi, struct tgi_object *o);
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16 int tgi_remove_object(struct tinygi *tgi, struct tgi_object *o);
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17
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18 struct tgi_object *tgi_find_object(struct tinygi *tgi, const char *name);
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19 struct tgi_object *tgi_get_object(struct tinygi *tgi, int idx);
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20 int tgi_get_object_count(struct tinygi *tgi);
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21
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22 /* shapes */
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23 struct tgi_shape *tgi_create_sphere(float x, float y, float z, float rad);
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24 struct tgi_shape *tgi_create_box(float x0, float y0, float z0, float x1, float y1, float z1);
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25 void tgi_destroy_shape(struct tgi_shape *s);
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26
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27 /* objects */
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28 /* name can be null, in which case it's automatically generated */
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29 struct tgi_object *tgi_create_object(const char *name);
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30 void tgi_destroy_object(struct tgi_object *o);
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31 /* object takes ownership of the shape */
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32 void tgi_set_object_shape(struct tgi_object *o, struct tgi_shape *s);
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33
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34 /* mat should point to an array of 16 floats (4x4 homogeneous transformation matrix) */
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35 void tgi_load_matrix(struct tgi_object *o, const float *mat);
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36 void tgi_mult_matrix(struct tgi_object *o, const float *mat);
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37 void tgi_load_identity(struct tgi_object *o);
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38 void tgi_translate(struct tgi_object *o, float x, float y, float z);
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39 void tgi_rotate(struct tgi_object *o, float angle, float x, float y, float z);
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40 void tgi_scale(struct tgi_object *o, float x, float y, float z);
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41 void tgi_lookat(struct tgi_object *o, float x, float y, float z,
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42 float tx, float ty, float tz, float ux, float uy, float uz);
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43
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44 /* rendering */
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45 float *tgi_begin(struct tinygi *tgi, int width, int height);
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46 float *tgi_expose(struct tinygi *tgi, float gamma);
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47
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48 void tgi_render_frame(struct tinygi *tgi, int num_samples);
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49 void tgi_render(struct tinygi *tgi, int sample_idx);
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50 void tgi_render_rect(struct tinygi *tgi, int x, int y, int xsz, int ysz, int sample_idx);
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51
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52
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53
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54 #endif /* TINYGI_H_ */
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