X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=gfx%2Ftext.c;fp=gfx%2Ftext.c;h=0000000000000000000000000000000000000000;hb=791e167e053bdd9250d34a9a5ccae6ccde4d6679;hp=c37e871e508acb3c03c57a0d11e751d4646cadc4;hpb=faf2f6bfd5933ff75e6cc01e3d48f9277f731d8f;p=bertos.git diff --git a/gfx/text.c b/gfx/text.c deleted file mode 100644 index c37e871e..00000000 --- a/gfx/text.c +++ /dev/null @@ -1,418 +0,0 @@ -/** - * \file - * - * - * \brief Text graphic routines - * - * \version $Id$ - * \author Bernardo Innocenti - * \author Stefano Fedrigo - */ - -/*#* - *#* $Log$ - *#* Revision 1.13 2006/07/19 12:56:26 bernie - *#* Convert to new Doxygen style. - *#* - *#* Revision 1.12 2006/05/25 23:35:22 bernie - *#* Implement correct and faster clipping for algo text. - *#* - *#* Revision 1.11 2006/05/15 07:21:06 bernie - *#* Doxygen fix. - *#* - *#* Revision 1.10 2006/04/27 05:39:23 bernie - *#* Enhance text rendering to arbitrary x,y coords. - *#* - *#* Revision 1.9 2006/04/11 00:08:24 bernie - *#* text_offset(): New function, but I'm not quite confident with the design. - *#* - *#* Revision 1.8 2006/03/22 09:50:37 bernie - *#* Use the same format for fonts and rasters. - *#* - *#* Revision 1.7 2006/03/20 17:51:55 bernie - *#* Cleanups. - *#* - *#* Revision 1.6 2006/03/13 02:05:54 bernie - *#* Mark slow paths as UNLIKELY. - *#* - *#* Revision 1.5 2006/03/07 22:18:04 bernie - *#* Correctly compute text width for prop fonts; Make styles a per-bitmap attribute. - *#* - *#* Revision 1.4 2006/02/15 09:10:15 bernie - *#* Implement prop fonts; Fix algo styles. - *#* - *#* Revision 1.3 2006/02/10 12:31:55 bernie - *#* Add multiple font support in bitmaps. - *#* - *#* Revision 1.2 2005/11/04 18:17:45 bernie - *#* Fix header guards and includes for new location of gfx module. - *#* - *#* Revision 1.1 2005/11/04 18:11:35 bernie - *#* Move graphics stuff from mware/ to gfx/. - *#* - *#* Revision 1.13 2005/11/04 16:20:02 bernie - *#* Fix reference to README.devlib in header. - *#* - *#* Revision 1.12 2005/04/11 19:10:28 bernie - *#* Include top-level headers from cfg/ subdir. - *#* - *#* Revision 1.11 2005/01/20 18:46:31 aleph - *#* Fix progmem includes. - *#* - *#* Revision 1.10 2005/01/08 09:20:12 bernie - *#* Really make it work on both architectures. - *#* - *#* Revision 1.9 2004/12/31 16:44:29 bernie - *#* Sanitize for non-Harvard processors. - *#* - *#* Revision 1.8 2004/11/16 21:16:28 bernie - *#* Update to new naming scheme in mware/gfx.c. - *#* - *#* Revision 1.7 2004/09/20 03:28:28 bernie - *#* Fix header. - *#* - *#* Revision 1.6 2004/09/14 20:57:15 bernie - *#* Use debug.h instead of kdebug.h. - *#* - *#* Revision 1.5 2004/09/06 21:51:26 bernie - *#* Extend interface to allow any algorithmic style. - *#* - *#* Revision 1.2 2004/06/03 11:27:09 bernie - *#* Add dual-license information. - *#* - *#* Revision 1.1 2004/05/23 15:43:16 bernie - *#* Import mware modules. - *#* - *#* Revision 1.17 2004/05/15 16:57:01 aleph - *#* Fixes for non-DEBUG build - *#* - *#* Revision 1.16 2004/04/03 20:42:49 aleph - *#* Add text_clear() - *#* - *#* Revision 1.15 2004/03/24 15:03:45 bernie - *#* Use explicit include paths; clean Doxygen comments - *#* - *#* Revision 1.14 2004/03/19 16:52:28 bernie - *#* Move printf() like functions from text.c to text_format.c and add PROGMEM versions. - *#* - *#* Revision 1.13 2004/03/17 18:23:32 bernie - *#* Oops. - *#* - *#* Revision 1.12 2004/03/17 18:03:22 bernie - *#* Make diagnostic message shorter - *#* - *#* Revision 1.11 2004/03/13 22:52:54 aleph - *#* documentation fixes - *#*/ - -#include -#include -#include -#include - -#include // FIXME: BM_DRAWPIXEL - -#include - - -/** - * ANSI escape sequences flag: true for ESC state on. - * - * \todo Move to Bitmap.flags. - */ -static bool ansi_mode = false; - -/** - * Move (imaginary) cursor to coordinates specified. - */ -void text_setCoord(struct Bitmap *bm, int x, int y) -{ - bm->penX = x; - bm->penY = y; -} - - -/** - * Move (imaginary) cursor to column and row specified. - * Next text write will start a that row and col. - */ -void text_moveTo(struct Bitmap *bm, int row, int col) -{ - ASSERT(col >= 0); - ASSERT(col < bm->width / bm->font->width); - ASSERT(row >= 0); - ASSERT(row < bm->height / bm->font->height); - - text_setCoord(bm, col * bm->font->width, row * bm->font->height); -} - - -/** - * Render char \a c on Bitmap \a bm. - */ -static int text_putglyph(char c, struct Bitmap *bm) -{ - const uint8_t * PROGMEM glyph; /* font is in progmem */ - uint8_t glyph_width, glyph_height, glyph_height_bytes; - unsigned char index = (unsigned char)c; - - /* Check for out of range char and replace with '?' or first char in font. */ - if (UNLIKELY(!FONT_HAS_GLYPH(bm->font, index))) - { - kprintf("Illegal char '%c' (0x%02x)\n", index, index); - if (FONT_HAS_GLYPH(bm->font, '?')) - index = '?'; - else - index = bm->font->first; - } - - /* Make character relative to font start */ - index -= bm->font->first; - - glyph_height = bm->font->height; - // FIXME: for vertical fonts only - glyph_height_bytes = (glyph_height + 7) / 8; - - if (bm->font->offset) - { - /* Proportional font */ - glyph_width = bm->font->widths[index]; /* TODO: optimize away */ - glyph = bm->font->glyph + bm->font->offset[index]; - } - else - { - /* - * Fixed-width font: compute the first column of pixels - * of the selected glyph using the character code to index - * the glyph array. - */ - glyph_width = bm->font->width; - - //For horizontal fonts - //glyph = bm->font->glyph + index * (((glyph_width + 7) / 8) * glyph_height); - glyph = bm->font->glyph + index * glyph_height_bytes * glyph_width; - } - - /* Slow path for styled glyphs */ - if (UNLIKELY(bm->styles)) - { - uint8_t styles = bm->styles; - uint8_t prev_dots = 0, italic_prev_dots = 0; - uint8_t dots; - uint8_t row, col, row_bit; - - /* - * To avoid repeating clipping and other expensive computations, - * we cluster calls to gfx_blitRaster() using a small buffer. - */ - #define CONFIG_TEXT_RENDER_OPTIMIZE 1 - #if CONFIG_TEXT_RENDER_OPTIMIZE - #define RENDER_BUF_WIDTH 12 - #define RENDER_BUF_HEIGHT 8 - uint8_t render_buf[RAST_SIZE(RENDER_BUF_WIDTH, RENDER_BUF_HEIGHT)]; - uint8_t render_xpos = 0; - #endif - - /* This style alone could be handled by the fast path too */ - if (bm->styles & STYLEF_CONDENSED) - --glyph_width; - - if (bm->styles & STYLEF_EXPANDED) - glyph_width *= 2; - - for (row = 0, row_bit = 0; row < glyph_height_bytes; ++row, row_bit += 8) - { - /* For each dot column in the glyph... */ - for (col = 0; col < glyph_width; ++col) - { - uint8_t src_col = col; - - /* Expanded style: advances only once every two columns. */ - if (styles & STYLEF_EXPANDED) - src_col /= 2; - - /* Fetch a column of dots from glyph. */ - dots = PGM_READ_CHAR(RAST_ADDR(glyph, src_col, row_bit, glyph_width)); - - /* Italic: get lower 4 dots from previous column */ - if (styles & STYLEF_ITALIC) - { - uint8_t new_dots = dots; - dots = (dots & 0xF0) | italic_prev_dots; - italic_prev_dots = new_dots & 0x0F; - } - - /* Bold: "or" pixels with the previous column */ - if (styles & STYLEF_BOLD) - { - uint8_t new_dots = dots; - dots |= prev_dots; - prev_dots = new_dots; - } - - /* Underlined: turn on base pixel */ - if ((styles & STYLEF_UNDERLINE) - && (row == glyph_height_bytes - 1)) - dots |= (1 << (glyph_height - row_bit - 1)); - - /* Inverted: invert pixels */ - if (styles & STYLEF_INVERT) - dots = ~dots; - - /* Output dots */ - #if CONFIG_TEXT_RENDER_OPTIMIZE - render_buf[render_xpos++] = dots; - if (render_xpos == RENDER_BUF_WIDTH) - { - gfx_blitRaster(bm, bm->penX + col - render_xpos + 1, bm->penY + row_bit, - render_buf, render_xpos, - MIN((uint8_t)RENDER_BUF_HEIGHT, (uint8_t)(glyph_height - row_bit)), - RENDER_BUF_WIDTH); - render_xpos = 0; - } - #else - gfx_blitRaster(bm, bm->penX + col, bm->penY + row_bit, - &dots, 1, MIN((uint8_t)8, glyph_height - row_bit), 1); - #endif - } - - #if CONFIG_TEXT_RENDER_OPTIMIZE - /* Flush out rest of render buffer */ - if (render_xpos != 0) - { - gfx_blitRaster(bm, bm->penX + col - render_xpos, bm->penY + row_bit, - render_buf, render_xpos, - MIN((uint8_t)RENDER_BUF_HEIGHT, (uint8_t)(glyph_height - row_bit)), - RENDER_BUF_WIDTH); - render_xpos = 0; - } - #endif - } - } - else - { - /* No style: fast vanilla copy of glyph to bitmap */ - gfx_blitRaster(bm, bm->penX, bm->penY, glyph, glyph_width, glyph_height, glyph_width); - } - - /* Update current pen position */ - bm->penX += glyph_width; - - return c; -} - - -/** - * Render char \c c, with (currently) limited ANSI escapes - * emulation support and '\n' for newline. - */ -int text_putchar(char c, struct Bitmap *bm) -{ - /* Handle ANSI escape sequences */ - if (UNLIKELY(ansi_mode)) - { - switch (c) - { - case ANSI_ESC_CLEARSCREEN: - gfx_bitmapClear(bm); - bm->penX = 0; - bm->penY = 0; - text_style(bm, 0, STYLEF_MASK); - break; - DB(default: - kprintf("Unknown ANSI esc code: %x\n", c);) - } - ansi_mode = false; - } - else if (c == '\033') /* Enter ANSI ESC mode */ - { - ansi_mode = true; - } - else if (c == '\n') /* Go one line down on a line-feed */ - { - if (bm->penY + bm->font->height < bm->height) - { - bm->penY += bm->font->height; - bm->penX = 0; - } - } - else - { - text_putglyph(c, bm); - } - return c; -} - - -/** - * Clear the screen and reset cursor position - */ -void text_clear(struct Bitmap *bmp) -{ - text_putchar('\x1b', bmp); - text_putchar('c', bmp); -} - - -void text_clearLine(struct Bitmap *bm, int line) -{ - gfx_rectClear(bm, 0, line * bm->font->height, bm->width, (line + 1) * bm->font->height); -} - - -/** - * Set/clear algorithmic font style bits. - * - * \param bm Pointer to Bitmap to affect. - * \param flags Style flags to set - * \param mask Mask of flags to modify - * \return Old style flags - * - * Examples: - * Turn on bold, leave other styles alone - * \code text_style(bm, STYLEF_BOLD, STYLEF_BOLD); \endcode - * - * Turn off bold and turn on italic, leave others as they are - * \code text_style(bm, STYLEF_ITALIC, STYLEF_BOLD | STYLEF_ITALIC); \endcode - * - * Query current style without chaning it - * \code style = text_style(bm, 0, 0); \endcode - * - * Reset all styles (plain text) - * \code text_style(bm, 0, STYLE_MASK); \endcode - */ -uint8_t text_style(struct Bitmap *bm, uint8_t flags, uint8_t mask) -{ - uint8_t old = bm->styles; - bm->styles = (bm->styles & ~mask) | flags; - return old; -}