/* 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
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(NUM_FONT_CHARS * sizeof(Pixmap));
+ checked_calloc(gfx.font_bitmap_info[i].num_chars * sizeof(Pixmap));
- for (j=0; j < NUM_FONT_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;
- int xpos = j % FONT_CHARS_PER_LINE;
- int ypos = j / FONT_CHARS_PER_LINE;
+ 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;
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,
#endif
}
+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);
+}
+
+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);
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 char 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;
- 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 TRUE;
- }
+ 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);
- return FALSE;
+ *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;
}
void DrawInitText(char *text, int ypos, int font_nr)
gfx.num_fonts > 0 &&
gfx.font_bitmap_info[font_nr].bitmap != NULL)
{
- int text_width = strlen(text) * getFontWidth(font_nr);
-
ClearRectangle(window, 0, ypos, video.width, getFontHeight(font_nr));
- DrawTextExt(window, (video.width - text_width) / 2, ypos, text, font_nr,
- BLIT_OPAQUE);
+ DrawTextExt(window, (video.width - getTextWidth(text, font_nr)) / 2, ypos,
+ text, font_nr, BLIT_OPAQUE);
FlushDisplay();
}
}
-void DrawTextFCentered(int y, int font_nr, char *format, ...)
+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 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);
{
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;
+ 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)
+ while (*text_ptr)
{
- char c = *text++;
+ char c = *text_ptr++;
+
+ if (c == '\n')
+ c = ' '; /* print space instaed 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 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 */
{
- 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 */
{
- /* 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);
+ 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)
+
+#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)
+ {
+ 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);
+ }
#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
- /* use special font tile clipmasks */
- {
- int font_char = (c >= 32 && c <= 95 ? c - 32 : 0);
-
- SetClipMask(font->bitmap, font_clip_gc,
- font->clip_mask[font_char]);
- SetClipOrigin(font->bitmap, font_clip_gc, dst_x, dst_y);
- }
+ /* 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(font->bitmap, font->bitmap->stored_clip_gc,
- dst_x - src_x, dst_y - src_y);
+ SetClipOrigin(src_bitmap, src_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);
+ 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;
+ }
+}
+
+void DrawTextToTextArea(int x, int y, char *text, int font_nr, int line_length,
+ int area_xsize, int area_ysize, int mask_mode)
+{
+ int area_line = 0;
+ int font_height = getFontHeight(font_nr);
+
+ if (text == NULL)
+ return;
+
+ while (*text && area_line < area_ysize)
+ {
+ char buffer[MAX_OUTPUT_LINESIZE + 1];
+ int i;
+
+ for (i = 0; i < line_length && *text; i++)
+ if ((buffer[i] = *text++) == '\n')
+ break;
+ buffer[MIN(i, area_xsize)] = '\0';
+
+ DrawTextExt(drawto, x, y + area_line * font_height, buffer, font_nr,
+ mask_mode);
+
+ area_line++;
+ }
+
+ 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;
}
- else /* normal, non-masked font blitting */
+ }
+
+ 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)
{
- BlitBitmap(font->bitmap, dst_bitmap, src_x, src_y,
- font->width, font->height, dst_x, dst_y);
+ 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);
- dst_x += font->width;
+ if (buffer_len > 0 && current_line < max_lines)
+ {
+ DrawText(x, y + current_line * font_height, buffer, font_nr);
+ current_line++;
}
+
+ return current_line;
}