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nuclear@6
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1 #include <string.h>
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nuclear@6
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2 #include <assert.h>
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nuclear@6
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3 #include "draw.h"
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nuclear@6
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4 #include "imtk.h"
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5
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nuclear@6
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6 /* default colors, can be changed with imtk_set_color */
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nuclear@6
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7 static float colors[][4] = {
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8 {0.0, 0.0, 0.0, 1.0}, /* text color */
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9 {0.7, 0.7, 0.7, 1.0}, /* base color */
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10 {0.85, 0.85, 0.85, 1.0}, /* focus color */
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nuclear@6
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11 {1.0, 1.0, 1.0, 1.0}, /* lit bevel */
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12 {0.3, 0.3, 0.3, 1.0} /* shadowed bevel */
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13 };
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14
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15 void imtk_set_color(int col, float r, float g, float b, float a)
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16 {
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17 assert(col >= 0 && col < sizeof colors / sizeof *colors);
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18
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19 colors[col][0] = r;
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20 colors[col][1] = g;
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21 colors[col][2] = b;
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22 colors[col][3] = a;
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23 }
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24
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25 float *imtk_get_color(int col)
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26 {
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27 return colors[col];
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28 }
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29
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30 void imtk_draw_frame(int x, int y, int w, int h, int style)
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31 {
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32 float tcol[4], bcol[4];
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33
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34 switch(style) {
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nuclear@6
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35 case FRAME_INSET:
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36 memcpy(tcol, colors[IMTK_BEVEL_SHAD_COLOR], sizeof tcol);
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37 memcpy(bcol, colors[IMTK_BEVEL_LIT_COLOR], sizeof bcol);
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38 break;
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39
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40 case FRAME_OUTSET:
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41 default:
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42 memcpy(tcol, colors[IMTK_BEVEL_LIT_COLOR], sizeof tcol);
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43 memcpy(bcol, colors[IMTK_BEVEL_SHAD_COLOR], sizeof bcol);
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44 }
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45
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46 glBegin(GL_LINES);
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47 glColor4fv(tcol);
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48 glVertex2f(x, y + h);
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49 glVertex2f(x, y);
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50 glVertex2f(x, y);
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51 glVertex2f(x + w, y);
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52 glColor4fv(bcol);
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53 glVertex2f(x + w, y);
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54 glVertex2f(x + w, y + h);
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55 glVertex2f(x + w, y + h);
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56 glVertex2f(x, y + h);
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57 glEnd();
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58
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59 }
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60
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61 void imtk_draw_string(int x, int y, const char *str)
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62 {
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63 glRasterPos2i(x, y);
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64 while(*str) {
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65 glutBitmapCharacter(GLUT_BITMAP_HELVETICA_12, *str++);
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66 }
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67 }
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68
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69 int imtk_string_size(const char *str)
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70 {
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71 return glutBitmapLength(GLUT_BITMAP_HELVETICA_12, (const unsigned char*)str);
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72 }
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