wonx/WWText.c

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/* ここから                                                                  */
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#include "WWTextP.h"
#include "WonX.h"

/* フォントのビットマップデータ */
#include "WWTextFonts.c"

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/* メンバ関数の定義                                                          */
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/* メンバの取得                                                              */
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WWScreen WWText_GetScreen(WWText t) { return (t->screen); }
int WWText_GetX(WWText t) { return (t->x); }
int WWText_GetY(WWText t) { return (t->y); }
int WWText_GetWidth( WWText t) { return (t->width ); }
int WWText_GetHeight(WWText t) { return (t->height); }
int WWText_GetBase(WWText t) { return (t->base); }
WWPalette WWText_GetPalette(WWText t) { return (t->palette); }
static WWCharacter WWText_GetFont(WWText t, int n) { return (t->font[n]); }

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/* メンバの設定                                                              */
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WWScreen WWText_SetScreen(WWText t, WWScreen s) { return (t->screen = s); }
int WWText_SetX(WWText t, int n) { return (t->x = n); }
int WWText_SetY(WWText t, int n) { return (t->y = n); }
int WWText_SetWidth( WWText t, int n) { return (t->width  = n); }
int WWText_SetHeight(WWText t, int n) { return (t->height = n); }
int WWText_SetBase(WWText t, int n) { return (t->base = n); }
WWPalette WWText_SetPalette(WWText t, WWPalette p) { return (t->palette = p); }
static WWCharacter WWText_SetFont(WWText t, int n, WWCharacter c)
{ return (t->font[n] = c); }

int WWText_SetTextWindow(WWText ww_text, int x, int y,
			 int width, int height, int base,
			 WWDisplay ww_display)
{
  int tx, ty, c;
  WWCharacter ww_character;

  WWText_SetX(ww_text, x);
  WWText_SetY(ww_text, y);
  WWText_SetWidth(ww_text, width);
  WWText_SetHeight(ww_text, height);
  WWText_SetBase(ww_text, base);

  c = WWText_GetBase(ww_text);
  for (ty = 0; ty < WWText_GetHeight(ww_text); ty++) {
    for (tx = 0; tx < WWText_GetWidth(ww_text); tx++) {
      if (c >= 512) WonX_Error("WWText_SetTextWindow", "Over character.");
      ww_character = WWDisplay_GetCharacter(ww_display, c);
      WWCharacter_ClearAllPixels(ww_character);
      WWScreen_SetCharacter(WWText_GetScreen(ww_text),
			    WWText_GetX(ww_text) + tx,
			    WWText_GetY(ww_text) + ty,
			    ww_character);
      c++;
    }
  }
  return (0);
}

int WWText_PutCharacter(WWText ww_text, int x, int y, int character,
			WWDisplay ww_display)
{
  WWCharacter ww_character;
  int j, k, n;
  int f, b;
  unsigned short int pixel;
  unsigned short int bitmap;

  if ((character < 0) || (character > 127)) {
    WonX_Warning("WWText_PutCharacter", "Character number is out of range.");
    return (-1);
  }

  /*
   * テキスト表示は，text_window_init() で指定したテキストウインドウの
   * 座標系で行う(らしい)．(ウインドウ内の左上が(0,0)になる)
   */

  if ( (x < 0) || (x > WWText_GetWidth( ww_text) - 1) ||
       (y < 0) || (y > WWText_GetHeight(ww_text) - 1) ) {
    WonX_Warning("WWText_PutCharacter", "Position is out of range.");
    return (-1);
  }

#if 0
  n = WWText_GetBase(ww_text) +
    (x - WWText_GetX(ww_text)) +
    (y - WWText_GetY(ww_text)) * WWText_GetWidth(ww_text);
  ww_character = WWDisplay_GetCharacter(ww_display, n);
#else
  ww_character = WWScreen_GetCharacter(WWText_GetScreen(ww_text),
				       WWText_GetX(ww_text) + x,
				       WWText_GetY(ww_text) + y);
#endif

  /*
   * テキストフォントは
   * f = WWDisplay_GetForegroundColor(ww_display);
   * b = WWDisplay_GetBackgroundColor(ww_display);
   * で描画する必要があるため，描画のたびにビットマップをコピーする必要がある．
   * で，カラー化の際に，そのように修正した．
   * よって，テキストの初期化時に WWCharacter の配列を作成する必要は
   * 無くなったので，WWCharacter の配列はいずれ削除すること．
   */

#if 0
  WWCharacter_CopyAllPixels(ww_character, WWText_GetFont(ww_text, character));
#else
  f = WWDisplay_GetForegroundColor(ww_display);
  b = WWDisplay_GetBackgroundColor(ww_display);

  n = character * 8;
  for (j = 0; j < 8; j++) {
    bitmap = 0;
    for (k = 0; k < 8; k++) {
      pixel = (fonts[n] & (1 << k)) ? f : b;
      bitmap |= ( pixel       & 1) << k;
      bitmap |= ((pixel >> 1) & 1) << (k + 8);
    }
    WWCharacter_SetBitmapAsShortInt(ww_character, j, bitmap);
    n++;
  }
#endif

  /* 表示時にパレットを設定するのでいいのか？ 不明 */
  WWScreen_SetPalette(WWText_GetScreen(ww_text),
		      WWText_GetX(ww_text) + x,
		      WWText_GetY(ww_text) + y,
		      WWText_GetPalette(ww_text));

  return (character);
}

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/* オブジェクトの生成と消去                                                  */
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WWText WWText_Create(WWScreen screen,
		     int x, int y, int width, int height,
		     WWPalette palette)
{
  WWText ww_text;
  WWCharacter ww_character;
  int i, j, k, n;
  int f, b;
  unsigned short int pixel;
  unsigned short int bitmap;

  ww_text = (WWText)malloc(sizeof(_WWText));
  if (ww_text == NULL) WonX_Error("WWText_Create", "Cannot allocate memory.");

  WWText_SetScreen(ww_text, screen);
  WWText_SetX(ww_text, x);
  WWText_SetY(ww_text, y);
  WWText_SetWidth( ww_text, width );
  WWText_SetHeight(ww_text, height);
  WWText_SetPalette(ww_text, palette);

  /* 以下は，
     f = WWDisplay_GetForegroundColor(ww_display);
     b = WWDisplay_GetBackgroundColor(ww_display);
     で取得すべきかもしれない
     */
  f = 3;
  b = 0;

  n = 0;
  for (i = 0; i < 128; i++) {
    ww_character = WWCharacter_Create(i);
    for (j = 0; j < 8; j++) {
      bitmap = 0;
      for (k = 0; k < 8; k++) {
	pixel = (fonts[n] & (1 << k)) ? f : b;
	bitmap |= ( pixel       & 1) << k;
	bitmap |= ((pixel >> 1) & 1) << (k + 8);
      }
      WWCharacter_SetBitmapAsShortInt(ww_character, j, bitmap);
      n++;
    }
    WWText_SetFont(ww_text, i, ww_character);
  }

  return (ww_text);
}

WWText WWText_Destroy(WWText ww_text)
{
  int i;

  if (ww_text == NULL)
    WonX_Error("WWText_Destroy", "Object is not created.");

  for (i = 0; i < 128; i++) {
    if (WWText_GetFont(ww_text, i))
      WWText_SetFont(ww_text, i,
		     WWCharacter_Destroy(WWText_GetFont(ww_text, i)));
  }

  free(ww_text);

  return (NULL);
}

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/* ここまで                                                                  */
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/* End of File.                                                              */
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