X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Flibgame%2Ftext.c;h=fbf7683ef2a112e74ae3936d49af0b2efc85fe30;hp=bfd2a7c4bdf0dde187a768591dba61ea32776b57;hb=b641818c787e48bbf03ce2a0cd5b542c4c21e523;hpb=e05dda5c8cc6687dcbc59e182a81aed627e262d0 diff --git a/src/libgame/text.c b/src/libgame/text.c index bfd2a7c4..fbf7683e 100644 --- a/src/libgame/text.c +++ b/src/libgame/text.c @@ -1,15 +1,13 @@ -/*********************************************************** -* 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 +// https://www.artsoft.org/ +// ---------------------------------------------------------------------------- +// text.c +// ============================================================================ #include #include @@ -18,104 +16,18 @@ #include "misc.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 */ +// ============================================================================ +// font functions +// ============================================================================ 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) @@ -123,10 +35,6 @@ 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); } @@ -151,23 +59,37 @@ int getFontHeight(int font_nr) return gfx.font_bitmap_info[font_bitmap_id].height; } +int getFontDrawOffsetX(int font_nr) +{ + int font_bitmap_id = gfx.select_font_function(font_nr); + + return gfx.font_bitmap_info[font_bitmap_id].draw_xoffset; +} + +int getFontDrawOffsetY(int font_nr) +{ + int font_bitmap_id = gfx.select_font_function(font_nr); + + return gfx.font_bitmap_info[font_bitmap_id].draw_yoffset; +} + int getTextWidth(char *text, int font_nr) { return (text != NULL ? strlen(text) * getFontWidth(font_nr) : 0); } -static char getFontCharPosition(int font_nr, char c) +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 = c - 32; + int font_pos = (unsigned char)c - 32; - /* map some special characters to their ascii values in default font */ + // map some special characters to their ascii values in default font if (default_font) font_pos = MAP_FONT_ASCII(c) - 32; - /* this allows dynamic special characters together with special font */ + // this allows dynamic special characters together with special font if (font_pos < 0 || font_pos >= font->num_chars) font_pos = 0; @@ -179,22 +101,61 @@ 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); + int offset_x = (font->offset_x != 0 ? font->offset_x : font->width); + int offset_y = (font->offset_y != 0 ? font->offset_y : font->height); *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; + *x = font->src_x + (font_pos % font->num_chars_per_line) * offset_x; + *y = font->src_y + (font_pos / font->num_chars_per_line) * offset_y; +} + + +// ============================================================================ +// text string helper functions +// ============================================================================ + +int maxWordLengthInRequestString(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 != ' ' && + *text_ptr != '?' && + *text_ptr != '!' ? word_len + 1 : 0); + + max_word_len = MAX(word_len, max_word_len); + } + + return max_word_len; } + +// ============================================================================ +// simple text drawing functions +// ============================================================================ + void DrawInitText(char *text, int ypos, int font_nr) { - 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) { - ClearRectangle(window, 0, ypos, video.width, getFontHeight(font_nr)); - DrawTextExt(window, (video.width - getTextWidth(text, font_nr)) / 2, ypos, - text, font_nr, BLIT_OPAQUE); - FlushDisplay(); + int x = (video.width - getTextWidth(text, font_nr)) / 2; + int y = ypos; + int width = video.width; + int height = getFontHeight(font_nr); + + 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); } } @@ -240,6 +201,18 @@ void DrawTextSCentered(int y, int font_nr, char *text) gfx.sy + 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.sy + 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; @@ -249,24 +222,24 @@ void DrawText(int x, int y, char *text, int font_nr) 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]; + struct FontBitmapInfo *font = getFontBitmapInfo(font_nr); 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; @@ -274,11 +247,11 @@ void DrawTextExt(DrawBuffer *dst_bitmap, int dst_x, int dst_y, char *text, if (font->bitmap == NULL) return; - /* skip text to be printed outside the window (left/right will be clipped) */ + // 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 */ + // add offset for drawing font characters dst_x += font->draw_xoffset; dst_y += font->draw_yoffset; @@ -287,11 +260,11 @@ void DrawTextExt(DrawBuffer *dst_bitmap, int dst_x, int dst_y, char *text, char c = *text_ptr++; if (c == '\n') - c = ' '; /* print space instaed of newline */ + c = ' '; // print space instead of newline getFontCharSource(font_nr, c, &src_bitmap, &src_x, &src_y); - /* clip text at the left side of the window */ + // clip text at the left side of the window if (dst_x < 0) { dst_x += font_width; @@ -299,21 +272,14 @@ void DrawTextExt(DrawBuffer *dst_bitmap, int dst_x, int dst_y, char *text, continue; } - /* clip text at the right side of the window */ -#if 1 + // clip text at the right side of the window 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 */ + if (mask_mode == BLIT_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 */ + // first step: draw solid colored rectangle (use "cursor" character) + if (strlen(text) == 1) // only one char inverted => draw cursor { Bitmap *cursor_bitmap; int cursor_x, cursor_y; @@ -325,44 +291,23 @@ void DrawTextExt(DrawBuffer *dst_bitmap, int dst_x, int dst_y, char *text, font_width, font_height, dst_x, dst_y); } -#if defined(TARGET_SDL) - /* second step: draw masked inverted character */ + // 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) { if (mask_mode == BLIT_ON_BACKGROUND) { - /* clear font character background */ + // clear font character background ClearRectangleOnBackground(dst_bitmap, dst_x, dst_y, 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); } - else /* normal, non-masked font blitting */ + else // normal, non-masked font blitting { BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y, font_width, font_height, dst_x, dst_y); @@ -372,37 +317,50 @@ void DrawTextExt(DrawBuffer *dst_bitmap, int dst_x, int dst_y, char *text, } } -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; + + if (!(file = openFile(filename, MODE_READ))) + return NULL; - while (*text && area_line < area_ysize) + 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; @@ -414,14 +372,14 @@ boolean RenderLineToBuffer(char **src_buffer_ptr, char *dst_buffer, char *word_ptr; int word_len; - /* skip leading whitespaces */ + // skip leading whitespaces while (*text_ptr == ' ' || *text_ptr == '\t') text_ptr++; word_ptr = text_ptr; word_len = 0; - /* look for end of next word */ + // look for end of next word while (*word_ptr != ' ' && *word_ptr != '\t' && *word_ptr != '\0') { word_ptr++; @@ -432,18 +390,18 @@ boolean RenderLineToBuffer(char **src_buffer_ptr, char *dst_buffer, { continue; } - else if (*text_ptr == '\n') /* special case: force empty line */ + else if (*text_ptr == '\n') // special case: force empty line { if (buffer_len == 0) text_ptr++; - /* prevent printing of multiple empty lines */ + // 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 */ + // word fits into text buffer -- add word if (buffer_len > 0) buffer[buffer_len++] = ' '; @@ -455,13 +413,13 @@ boolean RenderLineToBuffer(char **src_buffer_ptr, char *dst_buffer, } else if (buffer_len > 0) { - /* not enough space left for word in text buffer -- print buffer */ + // 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 */ + // word does not fit at all into empty text buffer -- cut word strncpy(buffer, text_ptr, line_length); buffer[line_length] = '\0'; @@ -479,63 +437,131 @@ boolean RenderLineToBuffer(char **src_buffer_ptr, char *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) +static void DrawTextBuffer_Flush(int x, int y, char *buffer, int font_nr, + int line_length, int cut_length, + int mask_mode, boolean centered, + int current_ypos) +{ + int buffer_len = strlen(buffer); + int font_width = getFontWidth(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_ypos; + + 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) { - int font_height = getFontHeight(font_nr); - char line[MAX_LINE_LEN]; char buffer[line_length + 1]; int buffer_len; + int font_height = getFontHeight(font_nr); + int line_height = font_height + line_spacing; int current_line = 0; - FILE *file; + int current_ypos = 0; + int max_ysize = max_lines * line_height; - 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_ypos < max_ysize) { + 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] == '#' && 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_ypos < max_ysize) + { + DrawTextBuffer_Flush(x, y, buffer, font_nr, line_length, cut_length, + mask_mode, centered, current_ypos); + current_ypos += line_height; + 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); + + // if font has changed, depending values need to be updated as well + font_height = getFontHeight(font_nr); + line_height = font_height + line_spacing; + } - /* skip comments (lines directly beginning with '#') */ - if (line[0] == '#') 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') @@ -545,20 +571,44 @@ int DrawTextFromFile(int x, int y, char *filename, int font_nr, } } - if (strlen(line) == 0) /* special case: force empty line */ + if (strlen(line) == 0) // special case: force empty line strcpy(line, "\n"); line_ptr = line; - while (*line_ptr && current_line < max_lines) + while (*line_ptr && current_ypos < max_ysize) { - boolean buffer_filled = RenderLineToBuffer(&line_ptr, - buffer, &buffer_len, - last_line_was_empty, - line_length); + 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) { - DrawText(x, y + current_line * font_height, buffer, font_nr); + DrawTextBuffer_Flush(x, y, buffer, font_nr, line_length, cut_length, + mask_mode, centered, current_ypos); + current_ypos += line_height; current_line++; last_line_was_empty = (buffer_len == 0); @@ -569,13 +619,46 @@ int DrawTextFromFile(int x, int y, char *filename, int font_nr, } } - fclose(file); - - if (buffer_len > 0 && current_line < max_lines) + if (buffer_len > 0 && current_ypos < max_ysize) { - DrawText(x, y + current_line * font_height, buffer, font_nr); + DrawTextBuffer_Flush(x, y, buffer, font_nr, line_length, cut_length, + mask_mode, centered, current_ypos); + current_ypos += line_height; 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; +}