/***********************************************************
* Artsoft Retro-Game Library *
*----------------------------------------------------------*
-* (c) 1994-2002 Artsoft Entertainment *
+* (c) 1994-2006 Artsoft Entertainment *
* Holger Schemel *
* Detmolder Strasse 189 *
* 33604 Bielefeld *
clip_gc_valuemask, &clip_gc_values);
/* create only those clipping Pixmaps we really need */
- for (i=0; i < gfx.num_fonts; i++)
+ 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++)
+ 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;
if (gfx.num_fonts == 0 || gfx.font_bitmap_info[0].bitmap == NULL)
return;
- for (i=0; i < gfx.num_fonts; i++)
+ 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++)
+ 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);
}
free(font_bitmap_info);
}
+struct FontBitmapInfo *getFontBitmapInfo(int font_nr)
+{
+ int font_bitmap_id = gfx.select_font_function(font_nr);
+
+ return &gfx.font_bitmap_info[font_bitmap_id];
+}
+
int getFontWidth(int font_nr)
{
int font_bitmap_id = gfx.select_font_function(font_nr);
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.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;
struct FontBitmapInfo *font = &gfx.font_bitmap_info[font_bitmap_id];
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;
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_ptr)
{
getFontCharSource(font_nr, c, &src_bitmap, &src_x, &src_y);
+ /* clip text at the left side of the window */
+ if (dst_x < 0)
+ {
+ dst_x += font_width;
+
+ continue;
+ }
+
+ /* 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 */
{
/* first step: draw solid colored rectangle (use "cursor" character) */
char buffer[MAX_OUTPUT_LINESIZE + 1];
int i;
- for (i=0; i < line_length && *text; i++)
+ for (i = 0; i < line_length && *text; i++)
if ((buffer[i] = *text++) == '\n')
break;
buffer[MIN(i, area_xsize)] = '\0';
redraw_mask |= REDRAW_FIELD;
}
+
+boolean RenderLineToBuffer(char **src_buffer_ptr, char *dst_buffer,
+ int *dst_buffer_len, boolean last_line_was_empty,
+ int line_length)
+{
+ 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;
+}
+
+void DrawTextWrapped(int x, int y, char *text, int font_nr, int line_length,
+ int max_lines)
+{
+ char *text_ptr = text;
+ char buffer[line_length + 1];
+ int buffer_len;
+ int current_line = 0;
+ int font_height = getFontHeight(font_nr);
+
+ while (*text_ptr && current_line < max_lines)
+ {
+ buffer[0] = '\0';
+ buffer_len = 0;
+
+ RenderLineToBuffer(&text_ptr, buffer, &buffer_len, TRUE, line_length);
+
+ DrawText(x, y + current_line * font_height, buffer, font_nr);
+ current_line++;
+ }
+}
+
+int DrawTextFromFile(int x, int y, char *filename, int font_nr,
+ int line_length, int max_lines)
+{
+ int font_height = getFontHeight(font_nr);
+ char line[MAX_LINE_LEN];
+ char buffer[line_length + 1];
+ int buffer_len;
+ int current_line = 0;
+ FILE *file;
+
+ if (current_line >= max_lines)
+ return 0;
+
+ if (filename == NULL)
+ return 0;
+
+ if (!(file = fopen(filename, MODE_READ)))
+ return 0;
+
+ buffer[0] = '\0';
+ buffer_len = 0;
+
+ while (!feof(file) && current_line < max_lines)
+ {
+ char *line_ptr;
+ boolean last_line_was_empty = TRUE;
+
+ /* read next line of input file */
+ if (!fgets(line, MAX_LINE_LEN, file))
+ break;
+
+ /* skip comments (lines directly beginning with '#') */
+ if (line[0] == '#')
+ continue;
+
+ /* cut trailing newline from input line */
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ {
+ if (*line_ptr == '\n' || *line_ptr == '\r')
+ {
+ *line_ptr = '\0';
+ break;
+ }
+ }
+
+ 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 = RenderLineToBuffer(&line_ptr,
+ buffer, &buffer_len,
+ last_line_was_empty,
+ line_length);
+ if (buffer_filled)
+ {
+ DrawText(x, y + current_line * font_height, buffer, font_nr);
+ current_line++;
+
+ last_line_was_empty = (buffer_len == 0);
+
+ buffer[0] = '\0';
+ buffer_len = 0;
+ }
+ }
+ }
+
+ fclose(file);
+
+ if (buffer_len > 0 && current_line < max_lines)
+ {
+ DrawText(x, y + current_line * font_height, buffer, font_nr);
+ current_line++;
+ }
+
+ return current_line;
+}
projects / rocksndiamonds.git / blobdiff