imtk
annotate src/imtk.c @ 24:f416d8def7ef
can't remember
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Mon, 05 Sep 2011 03:43:30 +0300 |
| parents | 17f5ff624da3 |
| children |
| rev | line source |
|---|---|
| nuclear@3 | 1 #include <stdio.h> |
| nuclear@2 | 2 #include <stdlib.h> |
| nuclear@1 | 3 #include <string.h> |
| nuclear@2 | 4 #include <ctype.h> |
| nuclear@0 | 5 #include <assert.h> |
| nuclear@0 | 6 #ifndef __APPLE__ |
| nuclear@0 | 7 #include <GL/glut.h> |
| nuclear@0 | 8 #else |
| nuclear@0 | 9 #include <GLUT/glut.h> |
| nuclear@0 | 10 #endif |
| nuclear@0 | 11 #include "imtk.h" |
| nuclear@7 | 12 #include "state.h" |
| nuclear@13 | 13 #include "draw.h" |
| nuclear@1 | 14 |
| nuclear@13 | 15 void imtk_post_redisplay(void) |
| nuclear@13 | 16 { |
| nuclear@13 | 17 glutPostRedisplay(); |
| nuclear@13 | 18 } |
| nuclear@13 | 19 |
| nuclear@0 | 20 void imtk_begin(void) |
| nuclear@0 | 21 { |
| nuclear@7 | 22 int width, height; |
| nuclear@7 | 23 |
| nuclear@20 | 24 glPushAttrib(GL_ENABLE_BIT | GL_COLOR_BUFFER_BIT | GL_TRANSFORM_BIT); |
| nuclear@20 | 25 |
| nuclear@20 | 26 glDisable(GL_DEPTH_TEST); |
| nuclear@20 | 27 glDisable(GL_STENCIL_TEST); |
| nuclear@20 | 28 glDisable(GL_ALPHA_TEST); |
| nuclear@20 | 29 glDisable(GL_TEXTURE_1D); |
| nuclear@20 | 30 glDisable(GL_TEXTURE_2D); |
| nuclear@20 | 31 glDisable(GL_CULL_FACE); |
| nuclear@20 | 32 glDisable(GL_SCISSOR_TEST); |
| nuclear@20 | 33 glDisable(GL_LIGHTING); |
| nuclear@20 | 34 glEnable(GL_BLEND); |
| nuclear@20 | 35 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
| nuclear@20 | 36 |
| nuclear@20 | 37 |
| nuclear@7 | 38 imtk_get_viewport(&width, &height); |
| nuclear@7 | 39 |
| nuclear@0 | 40 glMatrixMode(GL_PROJECTION); |
| nuclear@0 | 41 glPushMatrix(); |
| nuclear@0 | 42 glLoadIdentity(); |
| nuclear@0 | 43 glTranslatef(-1, 1, 0); |
| nuclear@7 | 44 glScalef(2.0 / width, -2.0 / height, 1.0); |
| nuclear@2 | 45 |
| nuclear@2 | 46 glMatrixMode(GL_MODELVIEW); |
| nuclear@2 | 47 glPushMatrix(); |
| nuclear@2 | 48 glLoadIdentity(); |
| nuclear@0 | 49 } |
| nuclear@0 | 50 |
| nuclear@0 | 51 void imtk_end(void) |
| nuclear@0 | 52 { |
| nuclear@0 | 53 glMatrixMode(GL_PROJECTION); |
| nuclear@0 | 54 glPopMatrix(); |
| nuclear@2 | 55 glMatrixMode(GL_MODELVIEW); |
| nuclear@2 | 56 glPopMatrix(); |
| nuclear@20 | 57 |
| nuclear@20 | 58 glPopAttrib(); |
| nuclear@0 | 59 } |
| nuclear@0 | 60 |
| nuclear@13 | 61 void imtk_label(const char *str, int x, int y) |
| nuclear@0 | 62 { |
| nuclear@20 | 63 if(x == IMTK_AUTO || y == IMTK_AUTO) { |
| nuclear@20 | 64 imtk_layout_get_pos(&x, &y); |
| nuclear@20 | 65 } |
| nuclear@20 | 66 |
| nuclear@13 | 67 glColor4fv(imtk_get_color(IMTK_TEXT_COLOR)); |
| nuclear@21 | 68 imtk_draw_string(x, y + 14, str); |
| nuclear@20 | 69 imtk_layout_advance(imtk_string_size(str), 12); |
| nuclear@0 | 70 } |