imtk
diff src/draw.c @ 6:38609a9f7586
reorganizing ...
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Thu, 14 Apr 2011 14:22:42 +0300 |
parents | |
children | 10604ff95527 |
line diff
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/draw.c Thu Apr 14 14:22:42 2011 +0300 1.3 @@ -0,0 +1,72 @@ 1.4 +#include <string.h> 1.5 +#include <assert.h> 1.6 +#include "draw.h" 1.7 +#include "imtk.h" 1.8 + 1.9 +/* default colors, can be changed with imtk_set_color */ 1.10 +static float colors[][4] = { 1.11 + {0.0, 0.0, 0.0, 1.0}, /* text color */ 1.12 + {0.7, 0.7, 0.7, 1.0}, /* base color */ 1.13 + {0.85, 0.85, 0.85, 1.0}, /* focus color */ 1.14 + {1.0, 1.0, 1.0, 1.0}, /* lit bevel */ 1.15 + {0.3, 0.3, 0.3, 1.0} /* shadowed bevel */ 1.16 +}; 1.17 + 1.18 +void imtk_set_color(int col, float r, float g, float b, float a) 1.19 +{ 1.20 + assert(col >= 0 && col < sizeof colors / sizeof *colors); 1.21 + 1.22 + colors[col][0] = r; 1.23 + colors[col][1] = g; 1.24 + colors[col][2] = b; 1.25 + colors[col][3] = a; 1.26 +} 1.27 + 1.28 +float *imtk_get_color(int col) 1.29 +{ 1.30 + return colors[col]; 1.31 +} 1.32 + 1.33 +void imtk_draw_frame(int x, int y, int w, int h, int style) 1.34 +{ 1.35 + float tcol[4], bcol[4]; 1.36 + 1.37 + switch(style) { 1.38 + case FRAME_INSET: 1.39 + memcpy(tcol, colors[IMTK_BEVEL_SHAD_COLOR], sizeof tcol); 1.40 + memcpy(bcol, colors[IMTK_BEVEL_LIT_COLOR], sizeof bcol); 1.41 + break; 1.42 + 1.43 + case FRAME_OUTSET: 1.44 + default: 1.45 + memcpy(tcol, colors[IMTK_BEVEL_LIT_COLOR], sizeof tcol); 1.46 + memcpy(bcol, colors[IMTK_BEVEL_SHAD_COLOR], sizeof bcol); 1.47 + } 1.48 + 1.49 + glBegin(GL_LINES); 1.50 + glColor4fv(tcol); 1.51 + glVertex2f(x, y + h); 1.52 + glVertex2f(x, y); 1.53 + glVertex2f(x, y); 1.54 + glVertex2f(x + w, y); 1.55 + glColor4fv(bcol); 1.56 + glVertex2f(x + w, y); 1.57 + glVertex2f(x + w, y + h); 1.58 + glVertex2f(x + w, y + h); 1.59 + glVertex2f(x, y + h); 1.60 + glEnd(); 1.61 + 1.62 +} 1.63 + 1.64 +void imtk_draw_string(int x, int y, const char *str) 1.65 +{ 1.66 + glRasterPos2i(x, y); 1.67 + while(*str) { 1.68 + glutBitmapCharacter(GLUT_BITMAP_HELVETICA_12, *str++); 1.69 + } 1.70 +} 1.71 + 1.72 +int imtk_string_size(const char *str) 1.73 +{ 1.74 + return glutBitmapLength(GLUT_BITMAP_HELVETICA_12, (const unsigned char*)str); 1.75 +}