#include <stdarg.h>
#include "text.h"
+#include "misc.h"
/* ========================================================================= */
-/* exported variables */
+/* font functions */
/* ========================================================================= */
-struct FontInfo font;
+#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
+static GC font_clip_gc = None;
+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;
-/* ========================================================================= */
-/* font functions */
-/* ========================================================================= */
+ 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
+ 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);
-void InitFontInfo(Bitmap *bitmap_big, Bitmap *bitmap_medium,
- Bitmap *bitmap_small, Bitmap *bitmap_tile)
+ /* 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));
+ 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++)
+ {
+ 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);
+}
+#endif /* TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND */
+
+void InitFontInfo(struct FontBitmapInfo *font_bitmap_info, int num_fonts,
+ int (*select_font_function)(int))
{
- font.bitmap_big = bitmap_big;
- font.bitmap_medium = bitmap_medium;
- font.bitmap_small = bitmap_small;
- font.bitmap_tile = bitmap_tile;
+ 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
}
-int getFontWidth(int font_size, int font_type)
+int getFontWidth(int font_nr)
{
- return (font_size == FS_BIG ? FONT1_XSIZE :
- font_size == FS_MEDIUM ? FONT6_XSIZE :
- font_type == FC_SPECIAL1 ? FONT3_XSIZE :
- font_type == FC_SPECIAL2 ? FONT4_XSIZE :
- font_type == FC_SPECIAL3 ? FONT5_XSIZE :
- FONT2_XSIZE);
+ int font_bitmap_id = gfx.select_font_function(font_nr);
+
+ return gfx.font_bitmap_info[font_bitmap_id].width;
}
-int getFontHeight(int font_size, int font_type)
+int getFontHeight(int font_nr)
{
- return (font_size == FS_BIG ? FONT1_YSIZE :
- font_size == FS_MEDIUM ? FONT6_YSIZE :
- font_type == FC_SPECIAL1 ? FONT3_YSIZE :
- font_type == FC_SPECIAL2 ? FONT4_YSIZE :
- font_type == FC_SPECIAL3 ? FONT5_YSIZE :
- FONT2_YSIZE);
+ int font_bitmap_id = gfx.select_font_function(font_nr);
+
+ return gfx.font_bitmap_info[font_bitmap_id].height;
}
-void DrawInitText(char *text, int ypos, int color)
+static char getFontCharPosition(int font_nr, char c)
{
- if (window && font.bitmap_small)
+ 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;
+
+ /* 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 */
+ if (font_pos < 0 || font_pos >= font->num_chars)
+ font_pos = 0;
+
+ 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);
+
+ *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)
+{
+ if (window &&
+ gfx.num_fonts > 0 &&
+ gfx.font_bitmap_info[font_nr].bitmap != NULL)
{
- ClearRectangle(window, 0, ypos, video.width, FONT2_YSIZE);
- DrawTextExt(window, (video.width - strlen(text) * FONT2_XSIZE)/2,
- ypos, text, FS_SMALL, color);
+ 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);
FlushDisplay();
}
}
-void DrawTextFCentered(int y, int font_type, char *format, ...)
+void DrawTextFCentered(int y, int font_nr, char *format, ...)
{
char buffer[MAX_OUTPUT_LINESIZE + 1];
- int font_width = getFontWidth(FS_SMALL, font_type);
va_list ap;
va_start(ap, format);
vsprintf(buffer, format, ap);
va_end(ap);
- DrawText(gfx.sx + (gfx.sxsize - strlen(buffer) * font_width) / 2,
- gfx.sy + y, buffer, FS_SMALL, font_type);
+ if (strlen(buffer) > MAX_OUTPUT_LINESIZE)
+ Error(ERR_EXIT, "string too long in DrawTextFCentered() -- aborting");
+
+ DrawText(gfx.sx + (gfx.sxsize - strlen(buffer) * getFontWidth(font_nr)) / 2,
+ gfx.sy + y, buffer, font_nr);
}
-void DrawTextF(int x, int y, int font_type, char *format, ...)
+void DrawTextF(int x, int y, int font_nr, char *format, ...)
{
char buffer[MAX_OUTPUT_LINESIZE + 1];
va_list ap;
vsprintf(buffer, format, ap);
va_end(ap);
- DrawText(gfx.sx + x, gfx.sy + y, buffer, FS_SMALL, font_type);
+ if (strlen(buffer) > MAX_OUTPUT_LINESIZE)
+ Error(ERR_EXIT, "string too long in DrawTextF() -- aborting");
+
+ DrawText(gfx.sx + x, gfx.sy + y, buffer, font_nr);
}
-void DrawText(int x, int y, char *text, int font_size, int font_type)
+void DrawText(int x, int y, char *text, int font_nr)
{
- DrawTextExt(drawto, x, y, text, font_size, font_type);
+ int mask_mode = BLIT_OPAQUE;
+
+ if (DrawingOnBackground(x, y))
+ mask_mode = BLIT_ON_BACKGROUND;
+
+ DrawTextExt(drawto, x, y, text, font_nr, mask_mode);
if (x < gfx.dx)
redraw_mask |= REDRAW_FIELD;
redraw_mask |= REDRAW_DOOR_1;
}
-void DrawTextExt(DrawBuffer *bitmap, int x, int y,
- char *text, int font_size, int font_type)
+void DrawTextExt(DrawBuffer *dst_bitmap, int dst_x, int dst_y, char *text,
+ int font_nr, int mask_mode)
{
- Bitmap *font_bitmap;
- int font_width, font_height, font_starty;
- boolean print_inverse = FALSE;
-
- if (font_size != FS_SMALL && font_size != FS_BIG && font_size != FS_MEDIUM)
- font_size = FS_SMALL;
- if (font_type < FC_RED || font_type > FC_SPECIAL3)
- font_type = FC_RED;
-
- font_width = getFontWidth(font_size, font_type);
- font_height = getFontHeight(font_size, font_type);
-
- font_bitmap = (font_type == FC_SPECIAL2 ? font.bitmap_tile :
- font_size == FS_BIG ? font.bitmap_big :
- font_size == FS_MEDIUM ? font.bitmap_medium :
- font_size == FS_SMALL ? font.bitmap_small :
- font.bitmap_small);
-
- if (font_type == FC_SPECIAL2)
- font_starty = (font_size == FS_BIG ? 0 : FONT1_YSIZE) * 5;
- else
- font_starty = (font_type * (font_size == FS_BIG ? FONT1_YSIZE :
- font_size == FS_MEDIUM ? FONT6_YSIZE :
- FONT2_YSIZE) *
- FONT_LINES_PER_FONT);
-
- if (font_type == FC_SPECIAL3)
- font_starty -= FONT2_YSIZE * FONT_LINES_PER_FONT;
-
- while (*text)
+ int font_bitmap_id = gfx.select_font_function(font_nr);
+ struct FontBitmapInfo *font = &gfx.font_bitmap_info[font_bitmap_id];
+ int font_width = getFontWidth(font_nr);
+ int font_height = getFontHeight(font_nr);
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+ char *text_ptr = text;
+
+ if (font->bitmap == NULL)
+ return;
+
+ /* add offset for drawing font characters */
+ dst_x += font->draw_x;
+ dst_y += font->draw_y;
+
+ while (*text_ptr)
{
- char c = *text++;
+ char c = *text_ptr++;
- if (c == '~' && font_size == FS_SMALL)
- {
- print_inverse = TRUE;
- continue;
- }
+ getFontCharSource(font_nr, c, &src_bitmap, &src_x, &src_y);
- 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 ((c >= 32 && c <= 95) || c == '°' || c == '´')
+ if (mask_mode == BLIT_INVERSE) /* special mode for text gadgets */
{
- int src_x = ((c - 32) % FONT_CHARS_PER_LINE) * font_width;
- int src_y = ((c - 32) / FONT_CHARS_PER_LINE) * font_height + font_starty;
- int dest_x = x, dest_y = y;
+ /* 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;
+
+ 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);
+ }
- if (c == '°' || c == '´') /* map '°' and 'TM' signs */
+#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)
{
- if (font_type == FC_SPECIAL2)
- {
- src_x = (c == '°' ? 1 : 2) * font_width;
- src_y = 4 * font_height;
- }
- else
- {
- src_x = FONT_CHARS_PER_LINE * font_width;
- src_y = (c == '°' ? 1 : 2) * font_height + font_starty;
- }
+ /* clear font character background */
+ ClearRectangleOnBackground(dst_bitmap, dst_x, dst_y,
+ font_width, font_height);
}
- if (print_inverse)
+#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
+ /* use special font tile clipmasks */
{
- BlitBitmap(font_bitmap, bitmap,
- FONT_CHARS_PER_LINE * font_width,
- 3 * font_height + font_starty,
- font_width, font_height, x, y);
-
- SetClipOrigin(font_bitmap, font_bitmap->stored_clip_gc,
- dest_x - src_x, dest_y - src_y);
- BlitBitmapMasked(font_bitmap, bitmap,
- 0, 0, font_width, font_height, dest_x, dest_y);
+ 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
- BlitBitmap(font_bitmap, bitmap,
- src_x, src_y, font_width, font_height, dest_x, dest_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 */
+ {
+ BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y,
+ font_width, font_height, dst_x, dst_y);
}
- x += font_width;
+ dst_x += font_width;
}
}