09cb3c7843
This was only enabled for the mrobe500 and sansaconnect targets. Most targets are therefore running without this "safety" measure, and presumably we'd have noticed long ago if there was a problem. So in all likelihood this is just a bunch of dead code that we don't need to carry around. Change-Id: I7d27701a38b1c2a985ee73fa6f277ad215d8d385
294 lines
7.8 KiB
C
294 lines
7.8 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 by Dave Chapman
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* Copyright (C) 2009 by Karl Kurbjun
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*
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* Rockbox driver for 16-bit colour LCDs with vertical strides
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "cpu.h"
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#include "lcd.h"
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#include "kernel.h"
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#include "thread.h"
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#include <stdlib.h>
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#include "string-extra.h" /* mem*() */
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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 "rbunicode.h"
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#include "bidi.h"
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#include "scroll_engine.h"
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/*#define LOGF_ENABLE*/
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#include "logf.h"
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#define ROW_INC 1
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#define COL_INC lcd_current_viewport->buffer->stride
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extern lcd_fastpixelfunc_type* const lcd_fastpixelfuncs_backdrop[];
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extern lcd_fastpixelfunc_type* const lcd_fastpixelfuncs_bgcolor[];
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static void ICODE_ATTR lcd_alpha_bitmap_part_mix(const fb_data* image,
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const unsigned char *src, int src_x,
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int src_y, int x, int y,
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int width, int height,
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int stride_image, int stride_src);
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#include "lcd-color-common.c"
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#include "lcd-16bit-common.c"
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#include "lcd-bitmap-common.c"
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/*** drawing functions ***/
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/* Draw a horizontal line (optimised) */
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void lcd_hline(int x1, int x2, int y)
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{
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int x;
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fb_data *dst, *dst_end;
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int stride_dst;
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lcd_fastpixelfunc_type *pfunc = lcd_fastpixelfuncs[lcd_current_viewport->drawmode];
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/* direction flip */
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if (x2 < x1)
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{
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x = x1;
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x1 = x2;
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x2 = x;
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}
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/******************** In viewport clipping **********************/
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/* nothing to draw? */
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if (((unsigned)y >= (unsigned)lcd_current_viewport->height) ||
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(x1 >= lcd_current_viewport->width) ||
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(x2 < 0))
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return;
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if (x1 < 0)
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x1 = 0;
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if (x2 >= lcd_current_viewport->width)
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x2 = lcd_current_viewport->width-1;
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/* Adjust x1 and y to viewport */
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x1 += lcd_current_viewport->x;
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x2 += lcd_current_viewport->x;
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y += lcd_current_viewport->y;
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dst = FBADDR(x1 , y );
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stride_dst = lcd_current_viewport->buffer->stride;
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dst_end = dst + (x2 - x1) * stride_dst;
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do
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{
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pfunc(dst);
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dst += stride_dst;
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}
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while (dst <= dst_end);
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}
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/* Draw a vertical line (optimised) */
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void lcd_vline(int x, int y1, int y2)
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{
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int y, height;
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unsigned bits = 0;
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enum fill_opt fillopt = OPT_NONE;
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fb_data *dst, *dst_end;
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/* direction flip */
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if (y2 < y1)
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{
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y = y1;
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y1 = y2;
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y2 = y;
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}
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/******************** In viewport clipping **********************/
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/* nothing to draw? */
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if (((unsigned)x >= (unsigned)lcd_current_viewport->width) ||
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(y1 >= lcd_current_viewport->height) ||
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(y2 < 0))
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return;
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if (y1 < 0)
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y1 = 0;
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if (y2 >= lcd_current_viewport->height)
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y2 = lcd_current_viewport->height-1;
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/* adjust for viewport */
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x += lcd_current_viewport->x;
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y1 += lcd_current_viewport->y;
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y2 += lcd_current_viewport->y;
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height = y2 - y1 + 1;
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/* drawmode and optimisation */
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if (lcd_current_viewport->drawmode & DRMODE_INVERSEVID)
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{
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if (lcd_current_viewport->drawmode & DRMODE_BG)
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{
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if (!lcd_backdrop)
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{
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fillopt = OPT_SET;
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bits = lcd_current_viewport->bg_pattern;
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}
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else
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fillopt = OPT_COPY;
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}
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}
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else
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{
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if (lcd_current_viewport->drawmode & DRMODE_FG)
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{
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fillopt = OPT_SET;
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bits = lcd_current_viewport->fg_pattern;
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}
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}
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if (fillopt == OPT_NONE && lcd_current_viewport->drawmode != DRMODE_COMPLEMENT)
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return;
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dst = FBADDR(x, y1);
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switch (fillopt)
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{
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case OPT_SET:
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memset16(dst, bits, height);
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break;
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case OPT_COPY:
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memcpy(dst, (void *)((long)dst + lcd_backdrop_offset),
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height * sizeof(fb_data));
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break;
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case OPT_NONE: /* DRMODE_COMPLEMENT */
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dst_end = dst + height;
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do
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*dst = ~(*dst);
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while (++dst < dst_end);
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break;
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}
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}
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/* Draw a partial native bitmap */
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void ICODE_ATTR lcd_bitmap_part(const fb_data *src, int src_x, int src_y,
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int stride, int x, int y, int width,
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int height)
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{
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fb_data *dst;
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int stride_dst;
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/******************** Image in viewport clipping **********************/
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/* nothing to draw? */
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if ((width <= 0) || (height <= 0) || (x >= lcd_current_viewport->width) ||
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(y >= lcd_current_viewport->height) || (x + width <= 0) || (y + height <= 0))
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return;
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if (x < 0)
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{
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width += x;
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src_x -= x;
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x = 0;
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}
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if (y < 0)
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{
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height += y;
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src_y -= y;
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y = 0;
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}
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if (x + width > lcd_current_viewport->width)
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width = lcd_current_viewport->width - x;
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if (y + height > lcd_current_viewport->height)
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height = lcd_current_viewport->height - y;
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/* adjust for viewport */
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x += lcd_current_viewport->x;
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y += lcd_current_viewport->y;
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src += stride * src_x + src_y; /* move starting point */
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dst = FBADDR(x, y);
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stride_dst = lcd_current_viewport->buffer->stride;
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fb_data *dst_end = dst + width * stride_dst;
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do
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{
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memcpy(dst, src, height * sizeof(fb_data));
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src += stride;
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dst += stride_dst;
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}
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while (dst < dst_end);
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}
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/* Draw a partial native bitmap */
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void ICODE_ATTR lcd_bitmap_transparent_part(const fb_data *src, int src_x,
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int src_y, int stride, int x,
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int y, int width, int height)
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{
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fb_data *dst, *dst_end;
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int stride_dst;
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/******************** Image in viewport clipping **********************/
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/* nothing to draw? */
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if ((width <= 0) || (height <= 0) || (x >= lcd_current_viewport->width) ||
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(y >= lcd_current_viewport->height) || (x + width <= 0) || (y + height <= 0))
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return;
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if (x < 0)
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{
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width += x;
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src_x -= x;
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x = 0;
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}
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if (y < 0)
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{
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height += y;
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src_y -= y;
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y = 0;
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}
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if (x + width > lcd_current_viewport->width)
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width = lcd_current_viewport->width - x;
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if (y + height > lcd_current_viewport->height)
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height = lcd_current_viewport->height - y;
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/* adjust for viewport */
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x += lcd_current_viewport->x;
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y += lcd_current_viewport->y;
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src += stride * src_x + src_y; /* move starting point */
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dst = FBADDR(x, y);
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stride_dst = lcd_current_viewport->buffer->stride;
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dst_end = dst + width * stride_dst;
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do
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{
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int i;
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for(i = 0;i < height;i++)
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{
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if (src[i] == REPLACEWITHFG_COLOR)
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dst[i] = lcd_current_viewport->fg_pattern;
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else if(src[i] != TRANSPARENT_COLOR)
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dst[i] = src[i];
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}
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src += stride;
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dst += stride_dst;
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}
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while (dst < dst_end);
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}
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