forked from len0rd/rockbox
Many functions have been changed.
The font will now be drawn in a more hardware-like style. The "select arrow" is now looking bad, but will be fixed by Mats Lidell and me later. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2735 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Kjell Ericson
parent
fe10eb3a9f
commit
ccfa84853a
1 changed files with 71 additions and 201 deletions
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@ -27,96 +27,80 @@
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#include "file.h"
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#include "debug.h"
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#include "system.h"
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#include "font.h"
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#include "font-player.h"
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/*** definitions ***/
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#define CHAR_WIDTH 6
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#define CHAR_HEIGHT 8
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#define ICON_HEIGHT 8
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#define ICON_HEIGHT 10
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unsigned char lcd_framebuffer[LCD_WIDTH][LCD_HEIGHT/8];
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/* All zeros and ones bitmaps for area filling */
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static unsigned char zeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
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static unsigned char ones[8] = { 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff};
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static int double_height=1;
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void lcd_print_icon(int x, int icon_line, bool enable, char **icon)
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{
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int xpos = x;
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int ypos = icon_line*(ICON_HEIGHT+CHAR_HEIGHT*2);
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int row=0, col;
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while (icon[row]) {
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col=0;
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while (icon[row][col]) {
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lcd_framebuffer[xpos+col][(ypos+row)/8] &= ~(1<<((row+ypos)&7));
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if (enable) {
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if (icon[row][col]=='*') {
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lcd_framebuffer[xpos+col][(ypos+row)/8] |= 1<<((row+ypos)&7);
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}
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}
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col++;
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}
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row++;
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}
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lcd_update();
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}
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void lcd_print_char(int x, int y, unsigned char ch)
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{
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int xpos = x * CHAR_WIDTH;
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int ypos = y * CHAR_HEIGHT;
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int col, row;
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int y2;
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// double_height=2;
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if (double_height == 2 && y == 1)
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return; /* Second row can't be printed in double height. ??*/
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xpos*=2;
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/* printf("(%d,%d)='%d'\n", x, y, ch);*/
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for (col=0; col<5; col++) {
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for (row=0; row<7; row++) {
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for (y2=0; y2<double_height*2; y2++) {
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int y;
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unsigned char bitval;
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if (double_height*row >=7)
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y2+=double_height;
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y=y2+double_height*2*row+2*ypos+ICON_HEIGHT;
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bitval=3<<((y&6));
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if (font_player[ch][col]&(1<<row)) {
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lcd_framebuffer[xpos+col*2][y/8] |= bitval;
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} else {
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lcd_framebuffer[xpos+col*2][y/8] &= ~bitval;
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}
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lcd_framebuffer[xpos+col*2+1][y/8] =
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lcd_framebuffer[xpos+col*2][y/8];
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}
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}
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}
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}
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/*
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* Draw a bitmap at (x, y), size (nx, ny)
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* if 'clear' is true, clear destination area first
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*/
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void lcd_bitmap (unsigned char *src, int x, int y, int nx, int ny,
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bool clear) __attribute__ ((section (".icode")));
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void lcd_bitmap (unsigned char *src, int x, int y, int nx, int ny,
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bool clear)
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{
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unsigned char *dst;
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unsigned char *dst2;
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unsigned int data, mask, mask2, mask3, mask4;
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int shift;
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if (((unsigned)x >= LCD_WIDTH) || ((unsigned)y >= LCD_HEIGHT))
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return;
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if (((unsigned)(x + nx)) >= LCD_WIDTH)
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nx = LCD_WIDTH - x;
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if (((unsigned)(y + ny)) >= LCD_HEIGHT)
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ny = LCD_HEIGHT - y;
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shift = y & 7;
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dst2 = &lcd_framebuffer[x][y/8];
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ny += shift;
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/* Calculate bit masks */
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mask4 = ~(0xfe << ((ny-1) & 7));
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if (clear)
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{
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mask = ~(0xff << shift);
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mask2 = 0;
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mask3 = ~mask4;
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if (ny <= 8)
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mask3 |= mask;
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}
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else
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mask = mask2 = mask3 = 0xff;
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/* Loop for each column */
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for (x = 0; x < nx; x++)
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{
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dst = dst2;
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dst2 += LCD_HEIGHT/8;
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data = 0;
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y = 0;
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if (ny > 8)
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{
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/* First partial row */
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data = *src++ << shift;
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*dst = (*dst & mask) | data;
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data >>= 8;
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dst++;
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/* Intermediate rows */
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for (y = 8; y < ny-8; y += 8)
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{
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data |= *src++ << shift;
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*dst = (*dst & mask2) | data;
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data >>= 8;
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dst++;
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}
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}
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/* Last partial row */
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if (y + shift < ny)
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data |= *src++ << shift;
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*dst = (*dst & mask3) | (data & mask4);
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}
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}
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/*
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* Draw a rectangle with upper left corner at (x, y)
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* and size (nx, ny)
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*/
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@ -147,26 +131,6 @@ void lcd_drawrect (int x, int y, int nx, int ny)
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}
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}
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/*
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* Clear a rectangular area at (x, y), size (nx, ny)
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*/
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void lcd_clearrect (int x, int y, int nx, int ny)
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{
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int i;
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for (i = 0; i < nx; i++)
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lcd_bitmap (zeros, x+i, y, 1, ny, true);
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}
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/*
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* Fill a rectangular area at (x, y), size (nx, ny)
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*/
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void lcd_fillrect (int x, int y, int nx, int ny)
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{
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int i;
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for (i = 0; i < nx; i++)
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lcd_bitmap (ones, x+i, y, 1, ny, true);
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}
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/* Invert a rectangular area at (x, y), size (nx, ny) */
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void lcd_invertrect (int x, int y, int nx, int ny)
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{
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@ -356,79 +320,13 @@ void lcd_clear_display(void)
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memset (lcd_framebuffer, 0, sizeof lcd_framebuffer);
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}
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/* put a string at a given pixel position, skipping first ofs pixel columns */
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static void lcd_putsxyofs(int x, int y, int ofs, unsigned char *str)
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{
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int ch;
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struct font* pf = font_get(2);
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while ((ch = *str++) != '\0' && x < LCD_WIDTH)
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{
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int width;
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/* check input range */
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if (ch < pf->firstchar || ch >= pf->firstchar+pf->size)
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ch = pf->defaultchar;
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ch -= pf->firstchar;
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/* no partial-height drawing for now... */
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if (y + pf->height > LCD_HEIGHT)
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break;
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/* get proportional width and glyph bits */
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width = pf->width ? pf->width[ch] : pf->maxwidth;
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width = MIN (width, LCD_WIDTH - x);
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if (ofs != 0)
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{
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if (ofs > width)
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{
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ofs -= width;
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continue;
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}
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width -= ofs;
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}
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if (width > 0)
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{
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int rows = (pf->height + 7) / 8;
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bitmap_t* bits = pf->bits +
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(pf->offset ? pf->offset[ch] : (pf->height * ch));
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lcd_bitmap (((unsigned char*) bits) + ofs*rows, x, y,
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width, pf->height, true);
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x += width;
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}
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ofs = 0;
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}
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}
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/* put a string at a given pixel position */
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void lcd_putsxy(int x, int y, unsigned char *str)
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{
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lcd_putsxyofs(x, y, 0, str);
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}
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void lcd_puts(int x, int y, unsigned char *str)
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{
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int xpos,ypos;
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/* We make the simulator truncate the string if it reaches the right edge,
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as otherwise it'll wrap. The real target doesn't wrap. */
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char buffer[12];
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if(strlen(str)+x > 11 ) {
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strncpy(buffer, str, sizeof buffer);
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buffer[11-x]=0;
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str = buffer;
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}
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xpos = CHAR_WIDTH * x;
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ypos = ICON_HEIGHT + CHAR_HEIGHT * y;
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lcd_clearrect(xpos, ypos, LCD_WIDTH - xpos, CHAR_HEIGHT * double_height);
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lcd_putsxy(xpos, ypos, str);
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/* this function is being used when simulating a charcell LCD and
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then we update immediately */
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int i;
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for (i=0; *str && x<11; i++)
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lcd_print_char(x++, y, *str++);
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for (; x<11; x++)
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lcd_print_char(x, y, ' ');
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lcd_update();
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}
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@ -439,15 +337,13 @@ void lcd_double_height(bool on)
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double_height = 2;
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}
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static char patterns[8][7];
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void lcd_define_pattern(int which, char *pattern, int length)
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{
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int i, j;
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int pat = which / 8;
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char icon[8];
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memset(icon, 0, sizeof icon);
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DEBUGF("Defining pattern %d\n", pat);
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for (j = 0; j <= 5; j++) {
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for (i = 0; i < length; i++) {
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@ -455,42 +351,16 @@ void lcd_define_pattern(int which, char *pattern, int length)
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icon[5-j] |= (1<<(i));
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}
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}
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for (i = 0; i <= 5; i++)
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for (i = 1; i <= 5; i++)
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{
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patterns[pat][i] = icon[i];
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font_player[pat][i-1] = icon[i];
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}
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}
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char* get_lcd_pattern(int which)
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{
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DEBUGF("Get pattern %d\n", which);
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return patterns[which];
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}
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extern void lcd_puts(int x, int y, unsigned char *str);
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void lcd_putc(int x, int y, unsigned char ch)
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{
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char str[2];
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int xpos = x * CHAR_WIDTH;
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int ypos = ICON_HEIGHT + y * CHAR_HEIGHT;
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if (ch <= 8)
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{
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char* bm = get_lcd_pattern(ch);
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lcd_bitmap(bm, xpos, ypos, CHAR_WIDTH, CHAR_HEIGHT, true);
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return;
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}
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if (ch == 137) {
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/* Have no good font yet. Simulate the cursor character. */
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ch = '>';
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}
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str[0] = ch;
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str[1] = 0;
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lcd_clearrect(xpos, ypos, CHAR_WIDTH, CHAR_HEIGHT * double_height);
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lcd_putsxy(xpos, ypos, str);
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/* this function is being used when simulating a charcell LCD and
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then we update immediately */
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lcd_print_char(x, y, ch);
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lcd_update();
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}
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