1 #include <stdio.h>

2 #include <stdlib.h>

3 #include <string.h>

4 #include <ctype.h>

5 #include <assert.h>

6 #ifndef __APPLE__

7 #include <GL/glut.h>

8 #else

9 #include <GLUT/glut.h>

10 #endif

11 #include "imtk.h"

12 #include "state.h"

13 #include "draw.h"

14

15

16 void imtk_post_redisplay(void)

17 {

18 glutPostRedisplay();

19 }

20

21 void imtk_begin(void)

22 {

23 int width, height;

24

25 imtk_get_viewport(&width, &height);

26

27 glMatrixMode(GL_PROJECTION);

28 glPushMatrix();

29 glLoadIdentity();

30 glTranslatef(-1, 1, 0);

31 glScalef(2.0 / width, -2.0 / height, 1.0);

32

33 glMatrixMode(GL_MODELVIEW);

34 glPushMatrix();

35 glLoadIdentity();

36

37 glPushAttrib(GL_ENABLE_BIT);

38 glDisable(GL_DEPTH_TEST);

39 glDisable(GL_CULL_FACE);

40 glDisable(GL_LIGHTING);

41 glEnable(GL_BLEND);

42

43 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

44 }

45

46 void imtk_end(void)

47 {

48 glPopAttrib();

49

50 glMatrixMode(GL_PROJECTION);

51 glPopMatrix();

52 glMatrixMode(GL_MODELVIEW);

53 glPopMatrix();

54 }

55

56 void imtk_label(const char *str, int x, int y)

57 {

58 glColor4fv(imtk_get_color(IMTK_TEXT_COLOR));

59 imtk_draw_string(x, y, str);

60 }

61

62

63 /*

64 int imtk_combobox(int id, char *textbuf, size_t buf_sz, const char *list, int sel, int x, int y)

65 {

66 imtk_textbox(id + 1, textbuf, buf_sz, x, y);

67 imtk_button(id + 3, "V", x + TEXTBOX_SIZE, y);

68

69 if(prev_active == id + 3) {

70 sel = imtk_listbox(id + 5, list, sel, x, y + 20);

71 }

72 return sel;

73 }

74 */