diff options
Diffstat (limited to 'tests/bullet/Extras/glui/glui_bitmaps.cpp')
| -rw-r--r-- | tests/bullet/Extras/glui/glui_bitmaps.cpp | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/tests/bullet/Extras/glui/glui_bitmaps.cpp b/tests/bullet/Extras/glui/glui_bitmaps.cpp new file mode 100644 index 00000000..35d338ec --- /dev/null +++ b/tests/bullet/Extras/glui/glui_bitmaps.cpp @@ -0,0 +1,176 @@ +/**************************************************************************** + + GLUI User Interface Toolkit + --------------------------- + + glui_bitmaps.cpp + +Draws the hardcoded images listed in glui_bitmap_img_data with OpenGL. + +FIXME: upload the images to a texture. This will allow them to be: + - Drawn with alpha blending + - Drawn at random sizes and angles onscreen + - Drawn much faster than with glDrawPixels + + -------------------------------------------------- + + Copyright (c) 1998 Paul Rademacher + + WWW: http://sourceforge.net/projects/glui/ + Forums: http://sourceforge.net/forum/?group_id=92496 + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +#include "GL/glui.h" +#include "glui_internal.h" +#include <cassert> + +/************ Image Bitmap arrays **********/ + +extern unsigned char glui_img_checkbox_0[]; +extern unsigned char glui_img_checkbox_1[]; +extern unsigned char glui_img_radiobutton_0[]; +extern unsigned char glui_img_radiobutton_1[]; +extern unsigned char glui_img_uparrow[]; +extern unsigned char glui_img_downarrow[]; +extern unsigned char glui_img_leftarrow[]; +extern unsigned char glui_img_rightarrow[]; +extern unsigned char glui_img_spinup_0[]; +extern unsigned char glui_img_spinup_1[]; +extern unsigned char glui_img_spindown_0[]; +extern unsigned char glui_img_spindown_1[]; +extern unsigned char glui_img_checkbox_0_dis[]; +extern unsigned char glui_img_checkbox_1_dis[]; +extern unsigned char glui_img_radiobutton_0_dis[]; +extern unsigned char glui_img_radiobutton_1_dis[]; +extern unsigned char glui_img_spinup_dis[]; +extern unsigned char glui_img_spindown_dis[]; +extern unsigned char glui_img_listbox_up[]; +extern unsigned char glui_img_listbox_down[]; +extern unsigned char glui_img_listbox_up_dis[]; + + +// These must be in the same order as the GLUI_STDBITMAP enums from glui.h! +unsigned char *bitmap_arrays[] = { + glui_img_checkbox_0, + glui_img_checkbox_1, + glui_img_radiobutton_0, + glui_img_radiobutton_1, + glui_img_uparrow, + glui_img_downarrow, + glui_img_leftarrow, + glui_img_rightarrow, + glui_img_spinup_0, + glui_img_spinup_1, + glui_img_spindown_0, + glui_img_spindown_1, + glui_img_checkbox_0_dis, + glui_img_checkbox_1_dis, + glui_img_radiobutton_0_dis, + glui_img_radiobutton_1_dis, + glui_img_spinup_dis, + glui_img_spindown_dis, + glui_img_listbox_up, + glui_img_listbox_down, + glui_img_listbox_up_dis, +}; + + +/************************************ GLUI_Bitmap::load_from_array() ********/ + +GLUI_Bitmap::GLUI_Bitmap() +: pixels(NULL), + w(0), + h(0) +{ +} + +GLUI_Bitmap::~GLUI_Bitmap() +{ + if (pixels) + { + free(pixels); + pixels = NULL; + } +} + +/* Create bitmap from greyscale byte array */ +void GLUI_Bitmap::init_grey(unsigned char *array) +{ + w = array[0]; h = array[1]; + pixels = (unsigned char *) malloc(w*h*3); + assert(pixels); + + for(int i = 0; i<w*h; i++ ) + for (int j = 0; j<3; j++) /* copy grey to r,g,b channels */ + pixels[i*3+j] = (unsigned char) array[i+2]; +} + + +/* Create bitmap from color int array. + (OSL) This used to be how all GLUI bitmaps were stored, which was horribly + inefficient--three ints per pixel, or 12 bytes per pixel! +*/ +void GLUI_Bitmap::init(int *array) +{ + w = array[0]; h = array[1]; + pixels = (unsigned char *) malloc(w*h*3); + assert(pixels); + + for (int i = 0; i<w*h*3; i++) + pixels[i] = (unsigned char) array[i+2]; +} + + +/*********************************** GLUI_StdBitmaps::draw() *****************/ + +GLUI_StdBitmaps::GLUI_StdBitmaps() +{ + for (int i=0; i<GLUI_STDBITMAP_NUM_ITEMS; i++) + bitmaps[i].init_grey(bitmap_arrays[i]); +} + +GLUI_StdBitmaps::~GLUI_StdBitmaps() +{ +} + +int GLUI_StdBitmaps::width(int i) const +{ + assert(i>=0 && i<GLUI_STDBITMAP_NUM_ITEMS); + return bitmaps[i].w; +} + +int GLUI_StdBitmaps::height(int i) const +{ + assert(i>=0 && i<GLUI_STDBITMAP_NUM_ITEMS); + return bitmaps[i].h; +} + +void GLUI_StdBitmaps::draw(int i, int x, int y) const +{ + assert(i>=0 && i<GLUI_STDBITMAP_NUM_ITEMS); + + if (bitmaps[i].pixels != NULL ) + { + glPixelStorei(GL_UNPACK_ALIGNMENT,1); + glRasterPos2f(0.5f+x, 0.5f+y+bitmaps[i].h); + glDrawPixels( + bitmaps[i].w, bitmaps[i].h, + GL_RGB, GL_UNSIGNED_BYTE, bitmaps[i].pixels); + } +} + |