ref: a9177fe09821cb151f6a9b73012ff18ef9896f38
dir: /src/ztext.c/
#include "../include/GL/gl.h" #include "../include/zbuffer.h" #include "font8x8_basic.h" #include "zgl.h" //#include <stdio.h> #include <stdlib.h> //#include <string.h> void glTextSize(GLTEXTSIZE mode) { #define NEED_CONTEXT #include "error_check_no_context.h" #if TGL_FEATURE_ERROR_CHECK == 1 if(mode < 1 || GL_MAX_TEXT_SIZE < mode) #define ERROR_FLAG GL_INVALID_ENUM #include "error_check.h" #endif GLParam p[2]; p[0].op = OP_TextSize; p[1].ui = mode; gl_add_op(p); } void glopTextSize(GLParam* p) { GLContext* c = gl_get_context(); c->textsize = p[1].ui; } // Set text size static void renderchar(GLbyte* bitmap, GLint _x, GLint _y, GLuint p) { GLint x, y; GLint set; GLContext* c = gl_get_context(); GLint mult = c->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(GLParam* p) { GLContext* c = gl_get_context(); GLint x = p[1].i; PIXEL pix = p[2].ui;; /* #if TGL_FEATURE_BLEND == 1 ZBuffer* zb = c->zb; PIXEL* targ = zb->pbuf + x; TGL_BLEND_VARS if(zb->enable_blend){ TGL_BLEND_FUNC(pix, (*targ)); }else{ *targ = pix; } #else*/ c->zb->pbuf[x] = pix; //#endif } void glPlotPixel(GLint x, GLint y, GLuint pix) { GLParam p[3]; GLContext* c = gl_get_context(); #include "error_check.h" // PIXEL* pbuf = gl_get_context()->zb->pbuf; GLint w = c->zb->xsize; GLint h = c->zb->ysize; p[0].op = OP_PlotPixel; if (x > -1 && x < w && y > -1 && y < h) { #if TGL_FEATURE_RENDER_BITS == 16 pix = RGB_TO_PIXEL((pix & COLOR_MULT_MASK), ((pix & 0xFF00)<<(COLOR_SHIFT - 8)), ((pix & 255) << COLOR_SHIFT) ); #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) { GLContext* c = gl_get_context(); GLint i = 0; #include "error_check.h" #if TGL_FEATURE_ERROR_CHECK == 1 if (!text) #define ERROR_FLAG GL_INVALID_VALUE #include "error_check.h" #endif // PIXEL* pbuf = gl_get_context()->zb->pbuf; GLint w = c->zb->xsize; GLint h = c->zb->ysize; GLint xoff = 0; GLint yoff = 0; GLint mult = c->textsize; for (;text[i] != '\0' && y + 7 < h; i++) { if (text[i] != '\n' && 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; } } }