C++ (Cpp) blf_next_p2 Examples

Example #1

File: blf_glyph.c Project: Andrewson3D/blender-for-vray

static void blf_glyph_cache_texture(FontBLF *font, GlyphCacheBLF *gc)
{
	int i;

	/* move the index. */
	gc->cur_tex++;

	if (UNLIKELY(gc->cur_tex >= gc->ntex)) {
		gc->ntex *= 2;
		gc->textures = (GLuint *)MEM_reallocN((void *)gc->textures, sizeof(GLuint) * gc->ntex);
	}

	gc->p2_width = (int)blf_next_p2((unsigned int)((gc->rem_glyphs * gc->max_glyph_width) + (gc->pad * 2)));
	if (gc->p2_width > font->max_tex_size)
		gc->p2_width = font->max_tex_size;

	i = (int)((gc->p2_width - (gc->pad * 2)) / gc->max_glyph_width);
	gc->p2_height = (int)blf_next_p2((unsigned int)(((gc->num_glyphs / i) + 1) * gc->max_glyph_height));

	if (gc->p2_height > font->max_tex_size)
		gc->p2_height = font->max_tex_size;

	glGenTextures(1, &gc->textures[gc->cur_tex]);
	glBindTexture(GL_TEXTURE_2D, (font->tex_bind_state = gc->textures[gc->cur_tex]));
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);

	glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, gc->p2_width, gc->p2_height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, NULL);
}

Example #2

File: blf_glyph.c Project: nttputus/blensor

static void blf_glyph_cache_texture(FontBLF *font, GlyphCacheBLF *gc)
{
	int tot_mem, i;
	unsigned char *buf;

	/* move the index. */
	gc->cur_tex++;

	if (gc->cur_tex >= gc->ntex) {
		gc->ntex *= 2;
		gc->textures = (GLuint *)realloc((void *)gc->textures, sizeof(GLuint)*gc->ntex);
	}

	gc->p2_width = blf_next_p2((gc->rem_glyphs * gc->max_glyph_width) + (gc->pad * 2));
	if (gc->p2_width > font->max_tex_size)
		gc->p2_width = font->max_tex_size;

	i = (int)((gc->p2_width - (gc->pad * 2)) / gc->max_glyph_width);
	gc->p2_height = blf_next_p2(((gc->num_glyphs / i) + 1) * gc->max_glyph_height);

	if (gc->p2_height > font->max_tex_size)
		gc->p2_height = font->max_tex_size;

	tot_mem = gc->p2_width * gc->p2_height;
	buf = (unsigned char *)malloc(tot_mem);
	memset((void *)buf, 0, tot_mem);

	glGenTextures(1, &gc->textures[gc->cur_tex]);
	glBindTexture(GL_TEXTURE_2D, (font->tex_bind_state = gc->textures[gc->cur_tex]));
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);

	glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, gc->p2_width, gc->p2_height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, buf);
	free((void *)buf);
}