gf_graphic_common.c

#define GF_EXPOSE_DRAW
#define GF_EXPOSE_TEXTURE
#define GF_EXPOSE_FONT
 
#include <gf_pre.h>
 
/* External library */
 
/* Interface */
#include <gf_graphic.h>
 
/* Engine */
#include <gf_draw.h>
#include <gf_font.h>
 
/* Standard */
#include <string.h>
 
void gf_graphic_fill_rect(gf_draw_t* draw, double x, double y, double w, double h, gf_graphic_color_t color) { gf_graphic_fill_polygon(draw, color, GF_GRAPHIC_2D, 4, x, y, x, y + h, x + w, y + h, x + w, y); }
 
void gf_graphic_text(gf_draw_t* draw, double x, double y, double size, const char* text, gf_graphic_color_t color) {
        int              i;
        double           mx = 0;
        gf_font_glyph_t* glyph;
        double           zoom = 0;
        if(draw->font != NULL) {
                zoom = size / draw->font->bbox.height;
                for(i = 0; text[i] != 0; i++) {
                        if((glyph = gf_font_get(draw->font, text[i])) != NULL) {
                                double fax = glyph->bbox.width;
                                double fay = glyph->bbox.height;
                                double fx  = glyph->bbox.x;
                                double fy  = (draw->font->bbox.height + draw->font->bbox.y) - (glyph->bbox.height + glyph->bbox.y);
                                gf_graphic_draw_texture_2d(draw, x + mx + fx * zoom, y + fy * zoom, zoom * fax, zoom * fay, glyph->texture, color);
                                mx += zoom * glyph->dwidth[0];
                        }
                }
        }
}
 
double gf_graphic_text_width(gf_draw_t* draw, double size, const char* text) {
        int              i;
        double           mx = 0;
        gf_font_glyph_t* glyph;
        double           zoom = 0;
        if(draw->font != NULL) {
                zoom = size / draw->font->bbox.height;
                for(i = 0; text[i] != 0; i++) {
                        if((glyph = gf_font_get(draw->font, text[i])) != NULL) {
                                mx += zoom * glyph->dwidth[0];
                        }
                }
        }
        return mx;
}
 
void gf_graphic_draw_texture_2d(gf_draw_t* draw, double x, double y, double w, double h, gf_texture_t* texture, gf_graphic_color_t color) {
        if(texture != NULL) gf_graphic_draw_texture_polygon(draw, texture, color, GF_GRAPHIC_2D, 4, 0.0, 0.0, x, y, 0.0, 1.0, x, y + h, 1.0, 1.0, x + w, y + h, 1.0, 0.0, x + w, y);
}