#include "misc.h"
+// ============================================================================
+// static font variables
+// ============================================================================
+
+boolean text_drawing_enabled = TRUE;
+
+
// ============================================================================
// font functions
// ============================================================================
+void EnableDrawingText(void)
+{
+ text_drawing_enabled = TRUE;
+}
+
+void DisableDrawingText(void)
+{
+ text_drawing_enabled = FALSE;
+}
+
void InitFontInfo(struct FontBitmapInfo *font_bitmap_info, int num_fonts,
int (*select_font_function)(int),
- int (*get_font_from_token_function)(char *))
+ int (*get_font_from_token_function)(char *),
+ char * (*get_token_from_font_function)(int))
{
gfx.num_fonts = num_fonts;
gfx.font_bitmap_info = font_bitmap_info;
gfx.select_font_function = select_font_function;
gfx.get_font_from_token_function = get_font_from_token_function;
+ gfx.get_token_from_font_function = get_token_from_font_function;
}
void FreeFontInfo(struct FontBitmapInfo *font_bitmap_info)
UPDATE_BUSY_STATE();
+ if (!text_drawing_enabled)
+ return;
+
if (window != NULL &&
gfx.draw_init_text &&
gfx.num_fonts > 0 &&
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;
int src_x, src_y;
char *text_ptr = text;
+ if (!text_drawing_enabled)
+ return;
+
+#if DEBUG
+ Debug("font:token", "'%s' / '%s'",
+ gfx.get_token_from_font_function(font_nr), text);
+#endif
+
if (font->bitmap == NULL)
return;
while (!checkEndOfFile(file) && num_lines < max_lines)
{
char line[MAX_LINE_LEN];
+ char *line_ptr;
+ int line_len;
// read next line of input file
if (!getStringFromFile(file, line, MAX_LINE_LEN))
break;
+ line_len = strlen(line);
+
+ // cut trailing line break (this can be newline and/or carriage return)
+ for (line_ptr = &line[line_len]; line_ptr >= line; line_ptr--)
+ if ((*line_ptr == '\n' || *line_ptr == '\r') && *(line_ptr + 1) == '\0')
+ *line_ptr = '\0';
+
+ // re-add newline (so the result is terminated by newline, but not CR/LF)
+ if (strlen(line) != line_len)
+ strcat(line, "\n");
+
buffer = checked_realloc(buffer, strlen(buffer) + strlen(line) + 1);
strcat(buffer, line);
char *word_ptr;
int word_len;
+ if (strEqual(text_ptr, " ")) // special case: force line break
+ buffer_filled = TRUE;
+
// skip leading whitespaces
while (*text_ptr == ' ' || *text_ptr == '\t')
text_ptr++;
return TRUE;
}
-static void DrawTextBuffer_Flush(int x, int y, char *buffer, int font_nr,
- int line_length, int cut_length,
+static void DrawTextBuffer_Flush(int x, int y, char *buffer, int base_font_nr,
+ int font_nr, int line_length, int cut_length,
int mask_mode, boolean centered,
int current_ypos)
{
int buffer_len = strlen(buffer);
+ int base_font_width = getFontWidth(base_font_nr);
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 line_width = base_font_width * line_length;
+ int buffer_width = font_width * buffer_len;
+ int offset_xsize = (centered ? (line_width - buffer_width) / 2 : 0);
int final_cut_length = MAX(0, cut_length - offset_chars);
int xx = x + offset_xsize;
int yy = y + current_ypos;
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)
+static int DrawTextBufferExt(int x, int y, char *text_buffer, int base_font_nr,
+ int line_length, int cut_length, int max_lines,
+ int line_spacing, int mask_mode, boolean autowrap,
+ boolean centered, boolean parse_comments,
+ boolean is_text_area)
{
char buffer[line_length + 1];
int buffer_len;
+ int font_nr = base_font_nr;
int font_height = getFontHeight(font_nr);
int line_height = font_height + line_spacing;
int current_line = 0;
// 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')
+ {
+ // in text areas, 'line_length' sized lines cause additional empty line
+ if (i == line_length && is_text_area)
+ text_buffer--;
+
break;
+ }
+ }
line[i] = '\0';
// prevent 'num_line_chars' sized lines to cause additional empty line
// 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);
+ DrawTextBuffer_Flush(x, y, buffer, base_font_nr, font_nr, line_length,
+ cut_length, mask_mode, centered, current_ypos);
current_ypos += line_height;
current_line++;
if (buffer_filled)
{
- DrawTextBuffer_Flush(x, y, buffer, font_nr, line_length, cut_length,
- mask_mode, centered, current_ypos);
+ DrawTextBuffer_Flush(x, y, buffer, base_font_nr, font_nr, line_length,
+ cut_length, mask_mode, centered, current_ypos);
current_ypos += line_height;
current_line++;
if (buffer_len > 0 && current_ypos < max_ysize)
{
- DrawTextBuffer_Flush(x, y, buffer, font_nr, line_length, cut_length,
- mask_mode, centered, current_ypos);
+ DrawTextBuffer_Flush(x, y, buffer, base_font_nr, font_nr, line_length,
+ cut_length, mask_mode, centered, current_ypos);
current_ypos += line_height;
current_line++;
}
return current_line;
}
+int DrawTextArea(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)
+{
+ return DrawTextBufferExt(x, y, text_buffer, font_nr,
+ line_length, cut_length, max_lines,
+ line_spacing, mask_mode, autowrap,
+ centered, parse_comments, TRUE);
+}
+
+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)
+{
+ return DrawTextBufferExt(x, y, text_buffer, font_nr,
+ line_length, cut_length, max_lines,
+ line_spacing, mask_mode, autowrap,
+ centered, parse_comments, FALSE);
+}
+
int DrawTextBufferS(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,