-/***********************************************************
-* Artsoft Retro-Game Library *
-*----------------------------------------------------------*
-* (c) 1994-2006 Artsoft Entertainment *
-* Holger Schemel *
-* Detmolder Strasse 189 *
-* 33604 Bielefeld *
-* Germany *
-* e-mail: info@artsoft.org *
-*----------------------------------------------------------*
-* text.c *
-***********************************************************/
+// ============================================================================
+// Artsoft Retro-Game Library
+// ----------------------------------------------------------------------------
+// (c) 1995-2014 by Artsoft Entertainment
+// Holger Schemel
+// info@artsoft.org
+// http://www.artsoft.org/
+// ----------------------------------------------------------------------------
+// text.c
+// ============================================================================
#include <stdio.h>
#include <stdarg.h>
/* font functions */
/* ========================================================================= */
-#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
-static GC font_clip_gc = None;
-
-static void InitFontClipmasks()
-{
- XGCValues clip_gc_values;
- unsigned long clip_gc_valuemask;
- GC copy_clipmask_gc;
- int i, j;
-
- /* This stuff is needed because X11 (XSetClipOrigin(), to be precise) is
- often very slow when preparing a masked XCopyArea() for big Pixmaps.
- To prevent this, create small (tile-sized) mask Pixmaps which will then
- be set much faster with XSetClipOrigin() and speed things up a lot. */
-
- clip_gc_values.graphics_exposures = False;
- clip_gc_valuemask = GCGraphicsExposures;
- font_clip_gc = XCreateGC(display, window->drawable,
- clip_gc_valuemask, &clip_gc_values);
-
- /* create graphic context structures needed for clipping */
- clip_gc_values.graphics_exposures = False;
- clip_gc_valuemask = GCGraphicsExposures;
- copy_clipmask_gc = XCreateGC(display,
- gfx.font_bitmap_info[0].bitmap->clip_mask,
- clip_gc_valuemask, &clip_gc_values);
-
- /* create only those clipping Pixmaps we really need */
- for (i = 0; i < gfx.num_fonts; i++)
- {
- if (gfx.font_bitmap_info[i].bitmap == NULL)
- continue;
-
- gfx.font_bitmap_info[i].clip_mask =
- checked_calloc(gfx.font_bitmap_info[i].num_chars * sizeof(Pixmap));
-
- for (j = 0; j < gfx.font_bitmap_info[i].num_chars; j++)
- {
- Bitmap *src_bitmap = gfx.font_bitmap_info[i].bitmap;
- Pixmap src_pixmap = src_bitmap->clip_mask;
- int xpos = j % gfx.font_bitmap_info[i].num_chars_per_line;
- int ypos = j / gfx.font_bitmap_info[i].num_chars_per_line;
- int width = gfx.font_bitmap_info[i].width;
- int height = gfx.font_bitmap_info[i].height;
- int src_x = gfx.font_bitmap_info[i].src_x + xpos * width;
- int src_y = gfx.font_bitmap_info[i].src_y + ypos * height;
-
- gfx.font_bitmap_info[i].clip_mask[j] =
- XCreatePixmap(display, window->drawable, width, height, 1);
-
- XCopyArea(display, src_pixmap, gfx.font_bitmap_info[i].clip_mask[j],
- copy_clipmask_gc, src_x, src_y, width, height, 0, 0);
- }
- }
-
- XFreeGC(display, copy_clipmask_gc);
-}
-
-static void FreeFontClipmasks()
-{
- int i, j;
-
- if (gfx.num_fonts == 0 || gfx.font_bitmap_info[0].bitmap == NULL)
- return;
-
- for (i = 0; i < gfx.num_fonts; i++)
- {
- if (gfx.font_bitmap_info[i].clip_mask)
- {
- for (j = 0; j < gfx.font_bitmap_info[i].num_chars; j++)
- XFreePixmap(display, gfx.font_bitmap_info[i].clip_mask[j]);
- free(gfx.font_bitmap_info[i].clip_mask);
- }
-
- gfx.font_bitmap_info[i].clip_mask = NULL;
- gfx.font_bitmap_info[i].num_chars = 0;
- }
-
- if (font_clip_gc)
- XFreeGC(display, font_clip_gc);
- font_clip_gc = None;
-}
-#endif /* TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND */
-
void InitFontInfo(struct FontBitmapInfo *font_bitmap_info, int num_fonts,
- int (*select_font_function)(int))
+ int (*select_font_function)(int),
+ int (*get_font_from_token_function)(char *))
{
gfx.num_fonts = num_fonts;
gfx.font_bitmap_info = font_bitmap_info;
gfx.select_font_function = select_font_function;
-
-#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
- InitFontClipmasks();
-#endif
+ gfx.get_font_from_token_function = get_font_from_token_function;
}
void FreeFontInfo(struct FontBitmapInfo *font_bitmap_info)
if (font_bitmap_info == NULL)
return;
-#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
- FreeFontClipmasks();
-#endif
-
free(font_bitmap_info);
}
*y = font->src_y + (font_pos / font->num_chars_per_line) * font->height;
}
-void DrawInitText(char *text, int ypos, int font_nr)
+
+/* ========================================================================= */
+/* text string helper functions */
+/* ========================================================================= */
+
+int maxWordLengthInString(char *text)
{
+ char *text_ptr;
+ int word_len = 0, max_word_len = 0;
+
+ for (text_ptr = text; *text_ptr; text_ptr++)
+ {
+ word_len = (*text_ptr != ' ' ? word_len + 1 : 0);
+
+ max_word_len = MAX(word_len, max_word_len);
+ }
+
+ return max_word_len;
+}
+
+
+/* ========================================================================= */
+/* simple text drawing functions */
+/* ========================================================================= */
+
+void DrawInitTextExt(char *text, int ypos, int font_nr, boolean force)
+{
+ LimitScreenUpdates(TRUE);
+
+ UPDATE_BUSY_STATE();
+
if (window != NULL &&
+ gfx.draw_init_text &&
gfx.num_fonts > 0 &&
gfx.font_bitmap_info[font_nr].bitmap != NULL)
{
ClearRectangle(drawto, 0, y, width, height);
DrawTextExt(drawto, x, y, text, font_nr, BLIT_OPAQUE);
- /* this makes things significantly faster than directly drawing to window */
- BlitBitmap(drawto, window, 0, y, width, height, 0, y);
+ BlitBitmap(drawto, window, 0, 0, video.width, video.height, 0, 0);
}
}
+void DrawInitText(char *text, int ypos, int font_nr)
+{
+ // DrawInitTextExt(text, ypos, font_nr, TRUE);
+ DrawInitTextExt(text, ypos, font_nr, FALSE);
+}
+
+void DrawInitTextAlways(char *text, int ypos, int font_nr)
+{
+ DrawInitTextExt(text, ypos, font_nr, TRUE);
+}
+
+void DrawInitTextIfNeeded(char *text, int ypos, int font_nr)
+{
+ DrawInitTextExt(text, ypos, font_nr, FALSE);
+}
+
void DrawTextF(int x, int y, int font_nr, char *format, ...)
{
char buffer[MAX_OUTPUT_LINESIZE + 1];
gfx.sy + y, text, font_nr);
}
+void DrawTextCentered(int y, int font_nr, char *text)
+{
+ DrawText((gfx.sxsize - getTextWidth(text, font_nr)) / 2, y, text, font_nr);
+}
+
void DrawTextSAligned(int x, int y, char *text, int font_nr, int align)
{
DrawText(gfx.sx + ALIGNED_XPOS(x, getTextWidth(text, font_nr), align),
DrawTextExt(drawto, x, y, text, font_nr, mask_mode);
- if (x < gfx.dx)
+ if (IN_GFX_FIELD_FULL(x, y))
redraw_mask |= REDRAW_FIELD;
- else if (y < gfx.vy || gfx.vy == 0)
+ else if (IN_GFX_DOOR_1(x, y))
redraw_mask |= REDRAW_DOOR_1;
+ else if (IN_GFX_DOOR_2(x, y))
+ redraw_mask |= REDRAW_DOOR_2;
+ else if (IN_GFX_DOOR_3(x, y))
+ redraw_mask |= REDRAW_DOOR_3;
+ else
+ redraw_mask |= REDRAW_ALL;
}
void DrawTextExt(DrawBuffer *dst_bitmap, int dst_x, int dst_y, char *text,
int font_nr, int mask_mode)
{
-#if 1
struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
-#else
- int font_bitmap_id = gfx.select_font_function(font_nr);
- struct FontBitmapInfo *font = &gfx.font_bitmap_info[font_bitmap_id];
-#endif
int font_width = getFontWidth(font_nr);
int font_height = getFontHeight(font_nr);
-#if 0
- int border_1 = gfx.sx + gfx.sxsize;
- int border_2 = gfx.dx + gfx.dxsize;
- int dst_x_start = dst_x;
-#endif
Bitmap *src_bitmap;
int src_x, src_y;
char *text_ptr = text;
}
/* clip text at the right side of the window */
-#if 1
if (dst_x + font_width > video.width)
break;
-#else
- /* (this does not work well when trying to print text to whole screen) */
- if ((dst_x_start < border_1 && dst_x + font_width > border_1) ||
- (dst_x_start < border_2 && dst_x + font_width > border_2))
- break;
-#endif
if (mask_mode == BLIT_INVERSE) /* special mode for text gadgets */
{
font_width, font_height, dst_x, dst_y);
}
-#if defined(TARGET_SDL)
/* second step: draw masked inverted character */
SDLCopyInverseMasked(src_bitmap, dst_bitmap, src_x, src_y,
font_width, font_height, dst_x, dst_y);
-#else
- /* second step: draw masked black rectangle (use "space" character) */
- SetClipOrigin(src_bitmap, src_bitmap->stored_clip_gc,
- dst_x - src_x, dst_y - src_y);
- BlitBitmapMasked(src_bitmap, dst_bitmap, 0, 0,
- font_width, font_height, dst_x, dst_y);
-#endif
}
else if (mask_mode == BLIT_MASKED || mask_mode == BLIT_ON_BACKGROUND)
{
font_width, font_height);
}
-#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
- /* use special font tile clipmasks */
- {
- int font_pos = getFontCharPosition(font_nr, c);
-
- SetClipMask(src_bitmap, font_clip_gc, font->clip_mask[font_pos]);
- SetClipOrigin(src_bitmap, font_clip_gc, dst_x, dst_y);
- }
-#else
SetClipOrigin(src_bitmap, src_bitmap->stored_clip_gc,
dst_x - src_x, dst_y - src_y);
-#endif
BlitBitmapMasked(src_bitmap, dst_bitmap, src_x, src_y,
font_width, font_height, dst_x, dst_y);
}
}
-void DrawTextToTextArea(int x, int y, char *text, int font_nr, int line_length,
- int area_xsize, int area_ysize, int mask_mode)
+
+/* ========================================================================= */
+/* text buffer drawing functions */
+/* ========================================================================= */
+
+#define MAX_LINES_FROM_FILE 1024
+
+char *GetTextBufferFromFile(char *filename, int max_lines)
{
- int area_line = 0;
- int font_height = getFontHeight(font_nr);
+ File *file;
+ char *buffer;
+ int num_lines = 0;
- if (text == NULL)
- return;
+ if (filename == NULL)
+ return NULL;
- while (*text && area_line < area_ysize)
+ if (!(file = openFile(filename, MODE_READ)))
+ return NULL;
+
+ buffer = checked_calloc(1); /* start with valid, but empty text buffer */
+
+ while (!checkEndOfFile(file) && num_lines < max_lines)
{
- char buffer[MAX_OUTPUT_LINESIZE + 1];
- int i;
+ char line[MAX_LINE_LEN];
- for (i = 0; i < line_length && *text; i++)
- if ((buffer[i] = *text++) == '\n')
- break;
- buffer[MIN(i, area_xsize)] = '\0';
+ /* read next line of input file */
+ if (!getStringFromFile(file, line, MAX_LINE_LEN))
+ break;
- DrawTextExt(drawto, x, y + area_line * font_height, buffer, font_nr,
- mask_mode);
+ buffer = checked_realloc(buffer, strlen(buffer) + strlen(line) + 1);
- area_line++;
+ strcat(buffer, line);
+
+ num_lines++;
}
- redraw_mask |= REDRAW_FIELD;
+ closeFile(file);
+
+ return buffer;
}
-boolean RenderLineToBuffer(char **src_buffer_ptr, char *dst_buffer,
- int *dst_buffer_len, boolean last_line_was_empty,
- int line_length)
+static boolean RenderLineToBuffer(char **src_buffer_ptr, char *dst_buffer,
+ int *dst_buffer_len, int line_length,
+ boolean last_line_was_empty)
{
char *text_ptr = *src_buffer_ptr;
char *buffer = dst_buffer;
return buffer_filled;
}
-void DrawTextWrapped(int x, int y, char *text, int font_nr, int line_length,
- int max_lines)
+static boolean getCheckedTokenValueFromString(char *string, char **token,
+ char **value)
{
- char *text_ptr = text;
- char buffer[line_length + 1];
- int buffer_len;
- int current_line = 0;
- int font_height = getFontHeight(font_nr);
+ char *ptr;
- while (*text_ptr && current_line < max_lines)
- {
- buffer[0] = '\0';
- buffer_len = 0;
+ if (!getTokenValueFromString(string, token, value))
+ return FALSE;
- RenderLineToBuffer(&text_ptr, buffer, &buffer_len, TRUE, line_length);
+ if (**token != '.') /* token should begin with dot */
+ return FALSE;
- DrawText(x, y + current_line * font_height, buffer, font_nr);
- current_line++;
- }
+ for (ptr = *token; *ptr; ptr++) /* token should contain no whitespace */
+ if (*ptr == ' ' || *ptr == '\t')
+ return FALSE;
+
+ for (ptr = *value; *ptr; ptr++) /* value should contain no whitespace */
+ if (*ptr == ' ' || *ptr == '\t')
+ return FALSE;
+
+ return TRUE;
}
-int DrawTextFromFile(int x, int y, char *filename, int font_nr,
- int line_length, int max_lines, boolean rewrap)
+static void DrawTextBuffer_Flush(int x, int y, char *buffer, int font_nr,
+ int line_length, int cut_length,
+ int line_spacing, int mask_mode,
+ boolean centered, int current_line)
{
+ int buffer_len = strlen(buffer);
+ int font_width = getFontWidth(font_nr);
int font_height = getFontHeight(font_nr);
- char line[MAX_LINE_LEN];
+ int offset_chars = (centered ? (line_length - buffer_len) / 2 : 0);
+ int offset_xsize =
+ (centered ? font_width * (line_length - buffer_len) / 2 : 0);
+ int final_cut_length = MAX(0, cut_length - offset_chars);
+ int xx = x + offset_xsize;
+ int yy = y + current_line * (font_height + line_spacing);
+
+ buffer[final_cut_length] = '\0';
+
+ if (mask_mode != -1)
+ DrawTextExt(drawto, xx, yy, buffer, font_nr, mask_mode);
+ else
+ DrawText(xx, yy, buffer, font_nr);
+}
+
+int DrawTextBuffer(int x, int y, char *text_buffer, int font_nr,
+ int line_length, int cut_length, int max_lines,
+ int line_spacing, int mask_mode, boolean autowrap,
+ boolean centered, boolean parse_comments)
+{
char buffer[line_length + 1];
int buffer_len;
int current_line = 0;
- FILE *file;
- if (current_line >= max_lines)
+ if (text_buffer == NULL || *text_buffer == '\0')
return 0;
- if (filename == NULL)
+ if (current_line >= max_lines)
return 0;
- if (!(file = fopen(filename, MODE_READ)))
- return 0;
+ if (cut_length == -1)
+ cut_length = line_length;
buffer[0] = '\0';
buffer_len = 0;
- while (!feof(file) && current_line < max_lines)
+ while (*text_buffer && current_line < max_lines)
{
+ char line[MAX_LINE_LEN + 1];
char *line_ptr;
boolean last_line_was_empty = TRUE;
+ int num_line_chars = MAX_LINE_LEN;
+ int i;
- /* read next line of input file */
- if (!fgets(line, MAX_LINE_LEN, file))
- break;
+ /* copy next line from text buffer to line buffer (nearly fgets() style) */
+ for (i = 0; i < num_line_chars && *text_buffer; i++)
+ if ((line[i] = *text_buffer++) == '\n')
+ break;
+ line[i] = '\0';
+
+ /* prevent 'num_line_chars' sized lines to cause additional empty line */
+ if (i == num_line_chars && *text_buffer == '\n')
+ text_buffer++;
/* skip comments (lines directly beginning with '#') */
- if (line[0] == '#')
+ if (line[0] == '#' && parse_comments)
+ {
+ char *token, *value;
+
+ /* try to read generic token/value pair definition after comment sign */
+ if (getCheckedTokenValueFromString(line + 1, &token, &value))
+ {
+ /* if found, flush the current buffer, if non-empty */
+ if (buffer_len > 0 && current_line < max_lines)
+ {
+ DrawTextBuffer_Flush(x, y, buffer, font_nr, line_length, cut_length,
+ line_spacing, mask_mode, centered, current_line);
+
+ current_line++;
+
+ buffer[0] = '\0';
+ buffer_len = 0;
+ }
+
+ if (strEqual(token, ".font"))
+ font_nr = gfx.get_font_from_token_function(value);
+ else if (strEqual(token, ".autowrap"))
+ autowrap = get_boolean_from_string(value);
+ else if (strEqual(token, ".centered"))
+ centered = get_boolean_from_string(value);
+ else if (strEqual(token, ".parse_comments"))
+ parse_comments = get_boolean_from_string(value);
+ }
+
continue;
+ }
- /* cut trailing newline from input line */
+ /* cut trailing newline and carriage return from input line */
for (line_ptr = line; *line_ptr; line_ptr++)
{
if (*line_ptr == '\n' || *line_ptr == '\r')
while (*line_ptr && current_line < max_lines)
{
-#if 1
boolean buffer_filled;
- if (rewrap)
+ if (autowrap)
{
- buffer_filled = RenderLineToBuffer(&line_ptr,
- buffer, &buffer_len,
- last_line_was_empty,
- line_length);
+ buffer_filled = RenderLineToBuffer(&line_ptr, buffer, &buffer_len,
+ line_length, last_line_was_empty);
}
else
{
buffer_filled = TRUE;
}
-#else
- boolean buffer_filled = RenderLineToBuffer(&line_ptr,
- buffer, &buffer_len,
- last_line_was_empty,
- line_length);
-#endif
if (buffer_filled)
{
- DrawText(x, y + current_line * font_height, buffer, font_nr);
+ DrawTextBuffer_Flush(x, y, buffer, font_nr, line_length, cut_length,
+ line_spacing, mask_mode, centered, current_line);
current_line++;
last_line_was_empty = (buffer_len == 0);
}
}
- fclose(file);
-
if (buffer_len > 0 && current_line < max_lines)
{
- DrawText(x, y + current_line * font_height, buffer, font_nr);
+ DrawTextBuffer_Flush(x, y, buffer, font_nr, line_length, cut_length,
+ line_spacing, mask_mode, centered, current_line);
current_line++;
}
return current_line;
}
+
+int DrawTextBufferVA(int x, int y, char *format, va_list ap, int font_nr,
+ int line_length, int cut_length, int max_lines,
+ int line_spacing, int mask_mode, boolean autowrap,
+ boolean centered, boolean parse_comments)
+{
+ char text_buffer[MAX_OUTPUT_LINESIZE];
+ int text_length = vsnprintf(text_buffer, MAX_OUTPUT_LINESIZE, format, ap);
+
+ if (text_length >= MAX_OUTPUT_LINESIZE)
+ Error(ERR_WARN, "string too long in DrawTextBufferVA() -- truncated");
+
+ int num_lines_printed = DrawTextBuffer(x, y, text_buffer, font_nr,
+ line_length, cut_length, max_lines,
+ line_spacing, mask_mode, autowrap,
+ centered, parse_comments);
+ return num_lines_printed;
+}
+
+int DrawTextFile(int x, int y, char *filename, int font_nr,
+ int line_length, int cut_length, int max_lines,
+ int line_spacing, int mask_mode, boolean autowrap,
+ boolean centered, boolean parse_comments)
+{
+ char *text_buffer = GetTextBufferFromFile(filename, MAX_LINES_FROM_FILE);
+ int num_lines_printed = DrawTextBuffer(x, y, text_buffer, font_nr,
+ line_length, cut_length, max_lines,
+ line_spacing, mask_mode, autowrap,
+ centered, parse_comments);
+ checked_free(text_buffer);
+
+ return num_lines_printed;
+}
projects / rocksndiamonds.git / blobdiff