static void InitFontClipmasks()
{
- static int last_num_fonts = 0;
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;
-
- for (i=0; i < last_num_fonts; i++)
- {
- if (gfx.font_bitmap_info[i].clip_mask)
- {
- for (j=0; j < gfx.font_bitmap_info[i].last_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].last_num_chars = 0;
- }
-
- last_num_fonts = gfx.num_fonts;
-
- 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(gfx.font_bitmap_info[i].num_chars * sizeof(Pixmap));
- gfx.font_bitmap_info[i].last_num_chars = gfx.font_bitmap_info[i].num_chars;
- 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;
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,
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;
#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
InitFontClipmasks();
#endif
}
-void SetInverseTextColor(Pixel inverse_text_color)
+void FreeFontInfo(struct FontBitmapInfo *font_bitmap_info)
{
- gfx.inverse_text_color = inverse_text_color;
+ if (font_bitmap_info == NULL)
+ return;
+
+#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
+ FreeFontClipmasks();
+#endif
+
+ free(font_bitmap_info);
}
int getFontWidth(int font_nr)
return gfx.font_bitmap_info[font_bitmap_id].height;
}
+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);
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);
{
char c = *text_ptr++;
+ if (c == '\n')
+ c = ' '; /* print space instaed of newline */
+
getFontCharSource(font_nr, c, &src_bitmap, &src_x, &src_y);
if (mask_mode == BLIT_INVERSE) /* special mode for text gadgets */
{
-#if defined(TARGET_SDL)
- /* blit normally (non-masked) */
- BlitBitmap(src_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 (strlen(text) == 1) /* only one char inverted => draw cursor */
{
font_width, font_height, dst_x, dst_y);
}
+#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);
font_width, font_height, dst_x, dst_y);
#endif
}
- else if (mask_mode == BLIT_MASKED)
+ else if (mask_mode == BLIT_MASKED || mask_mode == BLIT_ON_BACKGROUND)
{
- /* clear font character background */
- ClearRectangleOnBackground(dst_bitmap, dst_x, dst_y,
- font_width, font_height);
+ if (mask_mode == BLIT_ON_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 */
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;
+ }
+ }
+
+ 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