src/video/font.cpp File Reference

#include <config.h>
#include <sstream>
#include <stdlib.h>
#include <string.h>
#include <stdexcept>
#include <SDL_image.h>
#include <physfs.h>
#include "lisp/list_iterator.hpp"
#include "lisp/parser.hpp"
#include "physfs/physfs_sdl.hpp"
#include "supertux/screen.hpp"
#include "util/file_system.hpp"
#include "util/log.hpp"
#include "util/utf8_iterator.hpp"
#include "video/drawing_context.hpp"
#include "video/font.hpp"
#include "video/renderer.hpp"

Go to the source code of this file.

Functions
bool	vline_empty (SDL_Surface *surface, int x, int start_y, int end_y, Uint8 threshold)

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Function Documentation

bool @506::vline_empty	(	SDL_Surface *	surface,
		int	x,
		int	start_y,
		int	end_y,
		Uint8	threshold
	)			[static]

Definition at line 40 of file font.cpp.

Referenced by Font::loadFontSurface().

{
  Uint8* pixels = (Uint8*)surface->pixels;

  for(int y = start_y; y < end_y; ++y)
  {
    const Uint8& p = pixels[surface->pitch*y + x*surface->format->BytesPerPixel + 3];
    if (p > threshold)
    {
      return false;
    }
  }
  return true;
}

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