ref: 008dd8584d1af5944190b6f67aa98883114243ce
dir: /src/ztext.c/
#include <stdlib.h> #include <stdio.h> #include <assert.h> #include <string.h> #include "../include/zbuffer.h" #include "../include/GL/gl.h" #include "zgl.h" #include "font8x8_basic.h" GLTEXTSIZE textsize = 1; void glTextSize(GLTEXTSIZE mode){ GLParam p[2]; p[0].op = OP_TextSize; p[1].ui = mode; gl_add_op(p); } void glopTextSize(GLContext * c,GLParam * p){ textsize = p[1].ui; }//Set text size void renderchar(GLbyte *bitmap, GLint _x, GLint _y, GLuint p) { GLint x,y; GLint set; //int mask; GLint mult = textsize; for (x=0; x < 8; x++) { for (y=0; y < 8; y++) { set = bitmap[x] & 1 << y; if(set) for(GLint i = 0; i < mult; i++) for(GLint j = 0; j < mult; j++) glPlotPixel(y*mult + i + _x, x*mult + j + _y, p); } } } void glopPlotPixel(GLContext * c,GLParam * p){ GLint x = p[1].i; PIXEL pix = p[2].ui; //PIXEL* pbuf = c->zb->pbuf; c->zb->pbuf[x] = pix; } void glPlotPixel(GLint x, GLint y, GLuint pix){ GLParam p[3]; //PIXEL* pbuf = gl_get_context()->zb->pbuf; GLint w = gl_get_context()->zb->xsize; GLint h = gl_get_context()->zb->ysize; p[0].op = OP_PlotPixel; if(x>0 && x<w && y>0 && y < h){ #if TGL_FEATURE_RENDER_BITS == 16 pix = RGB_TO_PIXEL( ( (pix & 255) << 8) , ( pix & 65280) , ( (pix >>16)<<8 ) ); #endif p[1].i = x+y*w; p[2].ui = pix; gl_add_op(p); } } void glDrawText(const GLubyte* text, GLint x, GLint y, GLuint p){ if(!text)return; //PIXEL* pbuf = gl_get_context()->zb->pbuf; GLint w = gl_get_context()->zb->xsize; GLint h = gl_get_context()->zb->ysize; GLint xoff = 0; GLint yoff = 0; GLint mult = textsize; for(GLint i = 0; text[i] != '\0' && y+7 < h; i++){ if(text[i] != '\n' && text[i] < 127 && xoff+x < w) { renderchar(font8x8_basic[text[i]],x+xoff,y+yoff, p); xoff+=8*mult; }else if(text[i] == '\n'){ xoff=0; yoff+=8*mult; } } }