-/***********************************************************
-* Artsoft Retro-Game Library *
-*----------------------------------------------------------*
-* (c) 1994-2002 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 */
/* ========================================================================= */
-#define NUM_FONT_CHARS (FONT_LINES_PER_FONT * FONT_CHARS_PER_LINE)
-
-#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
-static GC font_clip_gc = None;
-
-static void InitFontClipmasks()
-{
- static boolean clipmasks_initialized = FALSE;
- XGCValues clip_gc_values;
- unsigned long clip_gc_valuemask;
- GC copy_clipmask_gc;
- int i, j;
-
- if (gfx.num_fonts == 0 || gfx.font_bitmap_info[0].bitmap == NULL)
- return;
-
- if (!clipmasks_initialized)
- {
- for (i=0; i < gfx.num_fonts; i++)
- gfx.font_bitmap_info[i].clip_mask = NULL;
-
- clipmasks_initialized = TRUE;
- }
-
- for (i=0; i < gfx.num_fonts; i++)
- {
- if (gfx.font_bitmap_info[i].clip_mask)
- for (j=0; j < NUM_FONT_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;
- }
-
- if (font_clip_gc)
- XFreeGC(display, font_clip_gc);
- font_clip_gc = None;
-
- /* 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(NUM_FONT_CHARS * sizeof(Pixmap));
-
- for (j=0; j < NUM_FONT_CHARS; j++)
- {
- Bitmap *src_bitmap = gfx.font_bitmap_info[i].bitmap;
- Pixmap src_pixmap = src_bitmap->clip_mask;
- int xpos = j % FONT_CHARS_PER_LINE;
- int ypos = j / FONT_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);
-}
-#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;
- gfx.inverse_text_color = WHITE_PIXEL;
+ gfx.get_font_from_token_function = get_font_from_token_function;
+}
-#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
- InitFontClipmasks();
-#endif
+void FreeFontInfo(struct FontBitmapInfo *font_bitmap_info)
+{
+ if (font_bitmap_info == NULL)
+ return;
+
+ free(font_bitmap_info);
}
-void SetInverseTextColor(Pixel inverse_text_color)
+struct FontBitmapInfo *getFontBitmapInfo(int font_nr)
{
- gfx.inverse_text_color = inverse_text_color;
+ int font_bitmap_id = gfx.select_font_function(font_nr);
+
+ return &gfx.font_bitmap_info[font_bitmap_id];
}
int getFontWidth(int font_nr)
return gfx.font_bitmap_info[font_bitmap_id].height;
}
-boolean getFontChar(int font_nr, char c, int *src_x, int *src_y)
+int getTextWidth(char *text, int font_nr)
+{
+ return (text != NULL ? strlen(text) * getFontWidth(font_nr) : 0);
+}
+
+static int getFontCharPosition(int font_nr, char c)
{
int font_bitmap_id = gfx.select_font_function(font_nr);
struct FontBitmapInfo *font = &gfx.font_bitmap_info[font_bitmap_id];
+ boolean default_font = (font->num_chars == DEFAULT_NUM_CHARS_PER_FONT);
+ int font_pos = (unsigned char)c - 32;
- if ((c >= 32 && c <= 95) || c == '°' || c == '´' || c == '|')
- {
- *src_x = font->src_x + ((c - 32) % FONT_CHARS_PER_LINE) * font->width;
- *src_y = font->src_y + ((c - 32) / FONT_CHARS_PER_LINE) * font->height;
+ /* map some special characters to their ascii values in default font */
+ if (default_font)
+ font_pos = MAP_FONT_ASCII(c) - 32;
- /* map '°' and 'TM' signs and cursor */
- if (c == '°' || c == '´' || c == '|')
- {
- *src_x = font->src_x + FONT_CHARS_PER_LINE * font->width;
- *src_y = font->src_y + (c == '°' ? 1 : c == '´' ? 2 : 3) * font->height;
- }
+ /* this allows dynamic special characters together with special font */
+ if (font_pos < 0 || font_pos >= font->num_chars)
+ font_pos = 0;
+
+ return font_pos;
+}
+
+void getFontCharSource(int font_nr, char c, Bitmap **bitmap, int *x, int *y)
+{
+ int font_bitmap_id = gfx.select_font_function(font_nr);
+ struct FontBitmapInfo *font = &gfx.font_bitmap_info[font_bitmap_id];
+ int font_pos = getFontCharPosition(font_nr, c);
+
+ *bitmap = font->bitmap;
+ *x = font->src_x + (font_pos % font->num_chars_per_line) * font->width;
+ *y = font->src_y + (font_pos / font->num_chars_per_line) * font->height;
+}
+
+
+/* ========================================================================= */
+/* text string helper functions */
+/* ========================================================================= */
+
+int maxWordLengthInString(char *text)
+{
+ char *text_ptr;
+ int word_len = 0, max_word_len = 0;
- return TRUE;
+ 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 FALSE;
+ return max_word_len;
}
-void DrawInitText(char *text, int ypos, int font_nr)
+
+/* ========================================================================= */
+/* simple text drawing functions */
+/* ========================================================================= */
+
+void DrawInitTextExt(char *text, int ypos, int font_nr, boolean force)
{
- if (window &&
+ LimitScreenUpdates(TRUE);
+
+ UPDATE_BUSY_STATE();
+
+ if (window != NULL &&
+ gfx.draw_init_text &&
gfx.num_fonts > 0 &&
gfx.font_bitmap_info[font_nr].bitmap != NULL)
{
- int text_width = strlen(text) * getFontWidth(font_nr);
+ int x = (video.width - getTextWidth(text, font_nr)) / 2;
+ int y = ypos;
+ int width = video.width;
+ int height = getFontHeight(font_nr);
- ClearRectangle(window, 0, ypos, video.width, getFontHeight(font_nr));
- DrawTextExt(window, (video.width - text_width) / 2, ypos, text, font_nr,
- BLIT_OPAQUE);
- FlushDisplay();
+ ClearRectangle(drawto, 0, y, width, height);
+ DrawTextExt(drawto, x, y, text, font_nr, BLIT_OPAQUE);
+
+ BlitBitmap(drawto, window, 0, 0, video.width, video.height, 0, 0);
}
}
-void DrawTextFCentered(int y, int font_nr, char *format, ...)
+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];
va_list ap;
va_end(ap);
if (strlen(buffer) > MAX_OUTPUT_LINESIZE)
- Error(ERR_EXIT, "string too long in DrawTextFCentered() -- aborting");
+ Error(ERR_EXIT, "string too long in DrawTextF() -- aborting");
- DrawText(gfx.sx + (gfx.sxsize - strlen(buffer) * getFontWidth(font_nr)) / 2,
- gfx.sy + y, buffer, font_nr);
+ DrawText(gfx.sx + x, gfx.sy + y, buffer, font_nr);
}
-void DrawTextF(int x, int y, int font_nr, char *format, ...)
+void DrawTextFCentered(int y, int font_nr, char *format, ...)
{
char buffer[MAX_OUTPUT_LINESIZE + 1];
va_list ap;
va_end(ap);
if (strlen(buffer) > MAX_OUTPUT_LINESIZE)
- Error(ERR_EXIT, "string too long in DrawTextF() -- aborting");
+ Error(ERR_EXIT, "string too long in DrawTextFCentered() -- aborting");
- DrawText(gfx.sx + x, gfx.sy + y, buffer, font_nr);
+ DrawText(gfx.sx + (gfx.sxsize - getTextWidth(buffer, font_nr)) / 2,
+ gfx.sy + y, buffer, font_nr);
+}
+
+void DrawTextS(int x, int y, int font_nr, char *text)
+{
+ DrawText(gfx.sx + x, gfx.sy + y, text, font_nr);
+}
+
+void DrawTextSCentered(int y, int font_nr, char *text)
+{
+ DrawText(gfx.sx + (gfx.sxsize - getTextWidth(text, font_nr)) / 2,
+ 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),
+ gfx.sx + y, text, font_nr);
+}
+
+void DrawTextAligned(int x, int y, char *text, int font_nr, int align)
+{
+ DrawText(ALIGNED_XPOS(x, getTextWidth(text, font_nr), align),
+ y, text, font_nr);
}
void DrawText(int x, int y, char *text, int font_nr)
int mask_mode = BLIT_OPAQUE;
if (DrawingOnBackground(x, y))
- mask_mode = BLIT_MASKED;
+ mask_mode = BLIT_ON_BACKGROUND;
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)
{
- int font_bitmap_id = gfx.select_font_function(font_nr);
- struct FontBitmapInfo *font = &gfx.font_bitmap_info[font_bitmap_id];
- boolean print_inverse = FALSE;
- boolean print_inverse_cursor = FALSE;
+ struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
+ int font_width = getFontWidth(font_nr);
+ int font_height = getFontHeight(font_nr);
+ Bitmap *src_bitmap;
int src_x, src_y;
+ char *text_ptr = text;
if (font->bitmap == NULL)
return;
+ /* skip text to be printed outside the window (left/right will be clipped) */
+ if (dst_y < 0 || dst_y + font_height > video.height)
+ return;
+
/* add offset for drawing font characters */
- dst_x += font->draw_x;
- dst_y += font->draw_y;
+ dst_x += font->draw_xoffset;
+ dst_y += font->draw_yoffset;
- while (*text)
+ while (*text_ptr)
{
- char c = *text++;
+ char c = *text_ptr++;
+
+ if (c == '\n')
+ c = ' '; /* print space instead of newline */
- if (c == '~')
+ getFontCharSource(font_nr, c, &src_bitmap, &src_x, &src_y);
+
+ /* clip text at the left side of the window */
+ if (dst_x < 0)
{
- print_inverse = TRUE;
- if (strlen(text) == 1)
- print_inverse_cursor = TRUE;
+ dst_x += font_width;
continue;
}
- if (c >= 'a' && c <= 'z')
- c = 'A' + (c - 'a');
- else if (c == 'ä' || c == 'Ä')
- c = 91;
- else if (c == 'ö' || c == 'Ö')
- c = 92;
- else if (c == 'ü' || c == 'Ü')
- c = 93;
- else if (c == '[' || c == ']') /* map to normal braces */
- c = (c == '[' ? '(' : ')');
- else if (c == '\\') /* bad luck ... */
- c = '/';
-
- if (getFontChar(font_nr, c, &src_x, &src_y))
+ /* clip text at the right side of the window */
+ if (dst_x + font_width > video.width)
+ break;
+
+ if (mask_mode == BLIT_INVERSE) /* special mode for text gadgets */
{
- if (print_inverse) /* special mode for text gadgets */
+ /* first step: draw solid colored rectangle (use "cursor" character) */
+ if (strlen(text) == 1) /* only one char inverted => draw cursor */
{
-#if defined(TARGET_SDL)
- /* blit normally (non-masked) */
- BlitBitmap(font->bitmap, dst_bitmap, src_x, src_y,
- font->width, font->height, dst_x, dst_y);
-
- /* invert character */
- SDLInvertArea(dst_bitmap, dst_x, dst_y, font->width, font->height,
- gfx.inverse_text_color);
-#else
- /* first step: draw solid colored rectangle (use "cursor" character) */
- if (print_inverse_cursor)
- BlitBitmap(font->bitmap, dst_bitmap,
- font->src_x + FONT_CHARS_PER_LINE * font->width,
- font->src_y + 3 * font->height,
- font->width, font->height, dst_x, dst_y);
-
- /* second step: draw masked black rectangle (use "space" character) */
- SetClipOrigin(font->bitmap, font->bitmap->stored_clip_gc,
- dst_x - src_x, dst_y - src_y);
- BlitBitmapMasked(font->bitmap, dst_bitmap,
- 0, 0, font->width, font->height, dst_x, dst_y);
-#endif
+ Bitmap *cursor_bitmap;
+ int cursor_x, cursor_y;
+
+ getFontCharSource(font_nr, FONT_ASCII_CURSOR, &cursor_bitmap,
+ &cursor_x, &cursor_y);
+
+ BlitBitmap(cursor_bitmap, dst_bitmap, cursor_x, cursor_y,
+ font_width, font_height, dst_x, dst_y);
}
- else if (mask_mode == BLIT_MASKED)
+
+ /* second step: draw masked inverted character */
+ SDLCopyInverseMasked(src_bitmap, dst_bitmap, src_x, src_y,
+ font_width, font_height, dst_x, dst_y);
+ }
+ else if (mask_mode == BLIT_MASKED || mask_mode == BLIT_ON_BACKGROUND)
+ {
+ if (mask_mode == BLIT_ON_BACKGROUND)
{
/* clear font character background */
ClearRectangleOnBackground(dst_bitmap, dst_x, dst_y,
- font->width, font->height);
+ font_width, font_height);
+ }
+
+ SetClipOrigin(src_bitmap, src_bitmap->stored_clip_gc,
+ dst_x - src_x, dst_y - src_y);
+
+ BlitBitmapMasked(src_bitmap, dst_bitmap, src_x, src_y,
+ font_width, font_height, dst_x, dst_y);
+ }
+ else /* normal, non-masked font blitting */
+ {
+ BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y,
+ font_width, font_height, dst_x, dst_y);
+ }
+
+ dst_x += font_width;
+ }
+}
+
+
+/* ========================================================================= */
+/* text buffer drawing functions */
+/* ========================================================================= */
+
+#define MAX_LINES_FROM_FILE 1024
+
+char *GetTextBufferFromFile(char *filename, int max_lines)
+{
+ File *file;
+ char *buffer;
+ int num_lines = 0;
+
+ if (filename == NULL)
+ return NULL;
+
+ 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 line[MAX_LINE_LEN];
+
+ /* read next line of input file */
+ if (!getStringFromFile(file, line, MAX_LINE_LEN))
+ break;
+
+ buffer = checked_realloc(buffer, strlen(buffer) + strlen(line) + 1);
+
+ strcat(buffer, line);
+
+ num_lines++;
+ }
+
+ closeFile(file);
+
+ return buffer;
+}
+
+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;
+ int buffer_len = *dst_buffer_len;
+ boolean buffer_filled = FALSE;
+
+ while (*text_ptr)
+ {
+ char *word_ptr;
+ int word_len;
+
+ /* skip leading whitespaces */
+ while (*text_ptr == ' ' || *text_ptr == '\t')
+ text_ptr++;
+
+ word_ptr = text_ptr;
+ word_len = 0;
+
+ /* look for end of next word */
+ while (*word_ptr != ' ' && *word_ptr != '\t' && *word_ptr != '\0')
+ {
+ word_ptr++;
+ word_len++;
+ }
+
+ if (word_len == 0)
+ {
+ continue;
+ }
+ else if (*text_ptr == '\n') /* special case: force empty line */
+ {
+ if (buffer_len == 0)
+ text_ptr++;
+
+ /* prevent printing of multiple empty lines */
+ if (buffer_len > 0 || !last_line_was_empty)
+ buffer_filled = TRUE;
+ }
+ else if (word_len < line_length - buffer_len)
+ {
+ /* word fits into text buffer -- add word */
+
+ if (buffer_len > 0)
+ buffer[buffer_len++] = ' ';
+
+ strncpy(&buffer[buffer_len], text_ptr, word_len);
+ buffer_len += word_len;
+ buffer[buffer_len] = '\0';
+ text_ptr += word_len;
+ }
+ else if (buffer_len > 0)
+ {
+ /* not enough space left for word in text buffer -- print buffer */
+
+ buffer_filled = TRUE;
+ }
+ else
+ {
+ /* word does not fit at all into empty text buffer -- cut word */
+
+ strncpy(buffer, text_ptr, line_length);
+ buffer[line_length] = '\0';
+ text_ptr += line_length;
+ buffer_filled = TRUE;
+ }
+
+ if (buffer_filled)
+ break;
+ }
+
+ *src_buffer_ptr = text_ptr;
+ *dst_buffer_len = buffer_len;
+
+ return buffer_filled;
+}
+
+static boolean getCheckedTokenValueFromString(char *string, char **token,
+ char **value)
+{
+ char *ptr;
-#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
- /* use special font tile clipmasks */
+ if (!getTokenValueFromString(string, token, value))
+ return FALSE;
+
+ if (**token != '.') /* token should begin with dot */
+ return FALSE;
+
+ 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;
+}
+
+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);
+ 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;
+
+ if (text_buffer == NULL || *text_buffer == '\0')
+ return 0;
+
+ if (current_line >= max_lines)
+ return 0;
+
+ if (cut_length == -1)
+ cut_length = line_length;
+
+ buffer[0] = '\0';
+ buffer_len = 0;
+
+ 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;
+
+ /* 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] == '#' && 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)
{
- int font_char = (c >= 32 && c <= 95 ? c - 32 : 0);
+ DrawTextBuffer_Flush(x, y, buffer, font_nr, line_length, cut_length,
+ line_spacing, mask_mode, centered, current_line);
- SetClipMask(font->bitmap, font_clip_gc,
- font->clip_mask[font_char]);
- SetClipOrigin(font->bitmap, font_clip_gc, dst_x, dst_y);
+ current_line++;
+
+ buffer[0] = '\0';
+ buffer_len = 0;
}
-#else
- SetClipOrigin(font->bitmap, font->bitmap->stored_clip_gc,
- dst_x - src_x, dst_y - src_y);
-#endif
- BlitBitmapMasked(font->bitmap, dst_bitmap, src_x, src_y,
- font->width, font->height, dst_x, dst_y);
+ 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);
}
- else /* normal, non-masked font blitting */
+
+ continue;
+ }
+
+ /* cut trailing newline and carriage return from input line */
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ {
+ if (*line_ptr == '\n' || *line_ptr == '\r')
{
- BlitBitmap(font->bitmap, dst_bitmap, src_x, src_y,
- font->width, font->height, dst_x, dst_y);
+ *line_ptr = '\0';
+ break;
}
}
- dst_x += font->width;
+ if (strlen(line) == 0) /* special case: force empty line */
+ strcpy(line, "\n");
+
+ line_ptr = line;
+
+ while (*line_ptr && current_line < max_lines)
+ {
+ boolean buffer_filled;
+
+ if (autowrap)
+ {
+ buffer_filled = RenderLineToBuffer(&line_ptr, buffer, &buffer_len,
+ line_length, last_line_was_empty);
+ }
+ else
+ {
+ if (strlen(line_ptr) <= line_length)
+ {
+ buffer_len = strlen(line_ptr);
+ strcpy(buffer, line_ptr);
+ }
+ else
+ {
+ buffer_len = line_length;
+ strncpy(buffer, line_ptr, line_length);
+ }
+
+ buffer[buffer_len] = '\0';
+ line_ptr += buffer_len;
+
+ buffer_filled = TRUE;
+ }
+
+ if (buffer_filled)
+ {
+ 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);
+
+ buffer[0] = '\0';
+ buffer_len = 0;
+ }
+ }
}
+
+ 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++;
+ }
+
+ 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