176 lines
2.6 KiB
C
176 lines
2.6 KiB
C
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#include <ft2build.h>
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#include <freetype/freetype.h>
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#include <text.h>
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#include <texture2D.h>
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#include <vector2.h>
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#define GL_GLEXT_PROTOTYPES
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#include <GL/glext.h>
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#include <GL/gl.h> // GL 1.1 functions
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#include <GL/glx.h>
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class fontRenderer{
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GLubyte * data = malloc( 512 * 512 * 4 );
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texture2D * loadFont( char character ) {
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FT_Library ft;
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if ( FT_Init_FreeType( &ft ) )
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{
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printf("ERROR::FREETYPE: Could not init FreeType Library");
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//return -1;
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} else {
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// printf("FreeType Library loaded\n\n");
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}
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FT_Face face;
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if ( FT_New_Face( ft, "assets/fonts/WorkSans/WorkSans-Regular.ttf", 0, &face ) )
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{
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printf("ERROR::FREETYPE: Failed to load font\n\n");
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//return -1;
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} else {
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// printf("FREETYPE: font loaded\n\n");
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}
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int fontSize = 118;
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if ( FT_Set_Pixel_Sizes( face, 0, fontSize ) ) {
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printf("ERROR::FREETYPE: Failed to set font size\n\n");
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} else {
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//printf("FREETYPE: font size set\n\n");
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}
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FT_Matrix matrix;
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FT_UInt glyph_index;
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FT_Vector pen;
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int n;
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FT_GlyphSlot slot = face->glyph; /* a small shortcut */
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pen.x = 0;
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pen.y = 0;
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if( FT_Load_Char( face, character, FT_LOAD_RENDER ) ) {
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printf("ERROR error loading char.");
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} else {
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//printf("FREETYPE: Char loaded %c \n", character );
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}
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//printf( "%c: bitmap_left: %i, bitmap_top: %i\n", ( char ) character, slot->bitmap_left, slot->bitmap_top );
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FT_Bitmap * bitmap = &slot->bitmap;
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texture2D * texture = new texture2D();
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texture->width = bitmap->width;
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texture->height = bitmap->rows;
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texture->hasAlpha = 1;
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texture->offset = new vector2( ( float ) slot->bitmap_left, ( float ) slot->bitmap_top );
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//printf("x_max: %i\n", texture->width);
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//printf("y_max: %i\n", texture->height);
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texture->data = bitmap->buffer;//bitmap->buffer;
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for (int x = 0; x < texture->width; ++x)
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{
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//printf("%u ", (unsigned int)bitmap->buffer[0]);
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}
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//FT_Done_Face(face);
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//FT_Done_FreeType(ft);
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return texture;
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//this->show_image();
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}
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void draw_bitmap( FT_Bitmap * bitmap, FT_Int x, FT_Int y ) {
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FT_Int i, j, p, q;
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FT_Int x_max = x + bitmap->width;
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FT_Int y_max = y + bitmap->rows;
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int WIDTH = 512;
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int HEIGHT = 512;
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printf("x_max: %i\n", x_max);
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printf("y_max: %i\n", y_max);
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for ( i = x, p = 0; i < x_max; i++, p++ )
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{
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for ( j = y, q = 0; j < y_max; j++, q++ )
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{
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//if ( i < 0 || j < 0 || i >= WIDTH || j >= HEIGHT )
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//continue;
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//this->data[j + (i * 512)] |= bitmap->buffer[q * bitmap->width + p];
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}
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}
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}
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void show_image( void )
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{
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}
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} |