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authorKarl Kurbjun <kkurbjun@gmail.com>2009-09-01 00:50:43 +0000
committerKarl Kurbjun <kkurbjun@gmail.com>2009-09-01 00:50:43 +0000
commit8cb5df6a469ab69179ef304b30455925806b7b95 (patch)
tree12ecaa52684bde519bedbd275fd8e124750fdb0b /firmware/drivers/lcd-16bit-vert.c
parentb9093b2b35310af1ea28a5a96d036818146783ab (diff)
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Initial vertical stride LCD driver. Backdrop is inverted with it currently.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22579 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/drivers/lcd-16bit-vert.c')
-rw-r--r--firmware/drivers/lcd-16bit-vert.c923
1 files changed, 923 insertions, 0 deletions
diff --git a/firmware/drivers/lcd-16bit-vert.c b/firmware/drivers/lcd-16bit-vert.c
new file mode 100644
index 0000000000..3b05c09e44
--- /dev/null
+++ b/firmware/drivers/lcd-16bit-vert.c
@@ -0,0 +1,923 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2005 by Dave Chapman
+ * Copyright (C) 2009 by Karl Kurbjun
+ *
+ * Rockbox driver for 16-bit colour LCDs with vertical strides
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "config.h"
+
+#include "cpu.h"
+#include "lcd.h"
+#include "kernel.h"
+#include "thread.h"
+#include <string.h>
+#include <stdlib.h>
+#include "memory.h"
+#include "file.h"
+#include "debug.h"
+#include "system.h"
+#include "font.h"
+#include "rbunicode.h"
+#include "bidi.h"
+#include "scroll_engine.h"
+
+enum fill_opt {
+ OPT_NONE = 0,
+ OPT_SET,
+ OPT_COPY
+};
+
+/*** globals ***/
+fb_data lcd_framebuffer[LCD_FBHEIGHT][LCD_FBWIDTH]
+ IRAM_LCDFRAMEBUFFER CACHEALIGN_AT_LEAST_ATTR(16);
+
+
+static fb_data* lcd_backdrop = NULL;
+static long lcd_backdrop_offset IDATA_ATTR = 0;
+
+static struct viewport default_vp =
+{
+ .x = 0,
+ .y = 0,
+ .width = LCD_WIDTH,
+ .height = LCD_HEIGHT,
+ .font = FONT_SYSFIXED,
+ .drawmode = DRMODE_SOLID,
+ .fg_pattern = LCD_DEFAULT_FG,
+ .bg_pattern = LCD_DEFAULT_BG,
+ .lss_pattern = LCD_DEFAULT_BG,
+ .lse_pattern = LCD_DEFAULT_BG,
+ .lst_pattern = LCD_DEFAULT_BG,
+};
+
+/* The Gigabeat target build requires access to the current fg_pattern
+ in lcd-meg-fx.c */
+#if (!defined(TOSHIBA_GIGABEAT_F)&& !defined(TOSHIBA_GIGABEAT_S)) || defined(SIMULATOR)
+static struct viewport* current_vp IDATA_ATTR = &default_vp;
+#else
+struct viewport* current_vp IDATA_ATTR = &default_vp;
+#endif
+
+
+/*** Helpers - consolidate optional code ***/
+#if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
+static void (*lcd_activation_hook)(void) = NULL;
+
+void lcd_activation_set_hook(void (*func)(void))
+{
+ lcd_activation_hook = func;
+}
+
+/* To be called by target driver after enabling display and refreshing it */
+void lcd_activation_call_hook(void)
+{
+ void (*func)(void) = lcd_activation_hook;
+
+ if (func != NULL)
+ func();
+}
+
+#endif
+
+/* LCD init */
+void lcd_init(void)
+{
+ lcd_clear_display();
+
+ /* Call device specific init */
+ lcd_init_device();
+ scroll_init();
+}
+/*** Viewports ***/
+
+void lcd_set_viewport(struct viewport* vp)
+{
+ if (vp == NULL)
+ current_vp = &default_vp;
+ else
+ current_vp = vp;
+}
+
+void lcd_update_viewport(void)
+{
+ lcd_update_rect(current_vp->x, current_vp->y,
+ current_vp->width, current_vp->height);
+}
+
+void lcd_update_viewport_rect(int x, int y, int width, int height)
+{
+ lcd_update_rect(current_vp->x + x, current_vp->y + y, width, height);
+}
+
+/*** parameter handling ***/
+
+void lcd_set_drawmode(int mode)
+{
+ current_vp->drawmode = mode & (DRMODE_SOLID|DRMODE_INVERSEVID);
+}
+
+int lcd_get_drawmode(void)
+{
+ return current_vp->drawmode;
+}
+
+void lcd_set_foreground(unsigned color)
+{
+ current_vp->fg_pattern = color;
+}
+
+unsigned lcd_get_foreground(void)
+{
+ return current_vp->fg_pattern;
+}
+
+void lcd_set_background(unsigned color)
+{
+ current_vp->bg_pattern = color;
+}
+
+unsigned lcd_get_background(void)
+{
+ return current_vp->bg_pattern;
+}
+
+void lcd_set_selector_start(unsigned color)
+{
+ current_vp->lss_pattern = color;
+}
+
+void lcd_set_selector_end(unsigned color)
+{
+ current_vp->lse_pattern = color;
+}
+
+void lcd_set_selector_text(unsigned color)
+{
+ current_vp->lst_pattern = color;
+}
+
+void lcd_set_drawinfo(int mode, unsigned fg_color, unsigned bg_color)
+{
+ lcd_set_drawmode(mode);
+ current_vp->fg_pattern = fg_color;
+ current_vp->bg_pattern = bg_color;
+}
+
+int lcd_getwidth(void)
+{
+ return current_vp->width;
+}
+
+int lcd_getheight(void)
+{
+ return current_vp->height;
+}
+
+void lcd_setfont(int newfont)
+{
+ current_vp->font = newfont;
+}
+
+int lcd_getfont(void)
+{
+ return current_vp->font;
+}
+
+int lcd_getstringsize(const unsigned char *str, int *w, int *h)
+{
+ return font_getstringsize(str, w, h, current_vp->font);
+}
+
+/*** low-level drawing functions ***/
+
+#define LCDADDR(x, y) (&lcd_framebuffer[0][0] + (LCD_HEIGHT*(LCD_WIDTH-1)) \
+ - LCD_HEIGHT*(x) + (y))
+
+#define LCDBACKADDR(x, y) (lcd_backdrop + LCD_HEIGHT*(x) + (y))
+
+static void ICODE_ATTR setpixel(fb_data *address)
+{
+ *address = current_vp->fg_pattern;
+}
+
+static void ICODE_ATTR clearpixel(fb_data *address)
+{
+ *address = current_vp->bg_pattern;
+}
+
+static void ICODE_ATTR clearimgpixel(fb_data *address)
+{
+ *address = *(fb_data *)((long)address + lcd_backdrop_offset);
+}
+
+static void ICODE_ATTR flippixel(fb_data *address)
+{
+ *address = ~(*address);
+}
+
+static void ICODE_ATTR nopixel(fb_data *address)
+{
+ (void)address;
+}
+
+lcd_fastpixelfunc_type* const lcd_fastpixelfuncs_bgcolor[8] = {
+ flippixel, nopixel, setpixel, setpixel,
+ nopixel, clearpixel, nopixel, clearpixel
+};
+
+lcd_fastpixelfunc_type* const lcd_fastpixelfuncs_backdrop[8] = {
+ flippixel, nopixel, setpixel, setpixel,
+ nopixel, clearimgpixel, nopixel, clearimgpixel
+};
+
+lcd_fastpixelfunc_type* const * lcd_fastpixelfuncs = lcd_fastpixelfuncs_bgcolor;
+
+void lcd_set_backdrop(fb_data* backdrop)
+{
+ lcd_backdrop = backdrop;
+ if (backdrop)
+ {
+ lcd_backdrop_offset = (long)backdrop - (long)&lcd_framebuffer[0][0];
+ lcd_fastpixelfuncs = lcd_fastpixelfuncs_backdrop;
+ }
+ else
+ {
+ lcd_backdrop_offset = 0;
+ lcd_fastpixelfuncs = lcd_fastpixelfuncs_bgcolor;
+ }
+}
+
+fb_data* lcd_get_backdrop(void)
+{
+ return lcd_backdrop;
+}
+
+/*** drawing functions ***/
+
+/* Clear the current viewport */
+void lcd_clear_viewport(void)
+{
+ fb_data *dst, *dst_end;
+
+ dst = LCDADDR(current_vp->x, current_vp->y);
+ dst_end = dst - current_vp->width * LCD_HEIGHT;
+
+ if (current_vp->drawmode & DRMODE_INVERSEVID)
+ {
+ do
+ {
+ memset16(dst, current_vp->fg_pattern, current_vp->height);
+ dst -= LCD_HEIGHT;
+ }
+ while (dst > dst_end);
+ }
+ else
+ {
+ if (!lcd_backdrop)
+ {
+ do
+ {
+ memset16(dst, current_vp->bg_pattern, current_vp->height);
+ dst -= LCD_HEIGHT;
+ }
+ while (dst > dst_end);
+ }
+ else
+ {
+ do
+ {
+ memcpy(dst, (void *)((long)dst + lcd_backdrop_offset),
+ current_vp->height * sizeof(fb_data));
+ dst -= LCD_HEIGHT;
+ }
+ while (dst > dst_end);
+ }
+ }
+
+ if (current_vp == &default_vp)
+ {
+ lcd_scroll_info.lines = 0;
+ }
+ else
+ {
+ lcd_scroll_stop(current_vp);
+ }
+}
+
+/* Clear the whole display */
+void lcd_clear_display(void)
+{
+ struct viewport* old_vp = current_vp;
+
+ current_vp = &default_vp;
+
+ lcd_clear_viewport();
+
+ current_vp = old_vp;
+}
+
+/* Set a single pixel */
+void lcd_drawpixel(int x, int y)
+{
+ if (((unsigned)x < (unsigned)current_vp->width) &&
+ ((unsigned)y < (unsigned)current_vp->height))
+ lcd_fastpixelfuncs[current_vp->drawmode](LCDADDR(current_vp->x+x, current_vp->y+y));
+}
+
+/* Draw a line */
+void lcd_drawline(int x1, int y1, int x2, int y2)
+{
+ int numpixels;
+ int i;
+ int deltax, deltay;
+ int d, dinc1, dinc2;
+ int x, xinc1, xinc2;
+ int y, yinc1, yinc2;
+ lcd_fastpixelfunc_type *pfunc = lcd_fastpixelfuncs[current_vp->drawmode];
+
+ deltay = abs(y2 - y1);
+ if (deltay == 0)
+ {
+ DEBUGF("lcd_drawline() called for horizontal line - optimisation.\n");
+ lcd_hline(x1, x2, y1);
+ return;
+ }
+ deltax = abs(x2 - x1);
+ if (deltax == 0)
+ {
+ DEBUGF("lcd_drawline() called for vertical line - optimisation.\n");
+ lcd_vline(x1, y1, y2);
+ return;
+ }
+ xinc2 = 1;
+ yinc2 = 1;
+
+ if (deltax >= deltay)
+ {
+ numpixels = deltax;
+ d = 2 * deltay - deltax;
+ dinc1 = deltay * 2;
+ dinc2 = (deltay - deltax) * 2;
+ xinc1 = 1;
+ yinc1 = 0;
+ }
+ else
+ {
+ numpixels = deltay;
+ d = 2 * deltax - deltay;
+ dinc1 = deltax * 2;
+ dinc2 = (deltax - deltay) * 2;
+ xinc1 = 0;
+ yinc1 = 1;
+ }
+ numpixels++; /* include endpoints */
+
+ if (x1 > x2)
+ {
+ xinc1 = -xinc1;
+ xinc2 = -xinc2;
+ }
+
+ if (y1 > y2)
+ {
+ yinc1 = -yinc1;
+ yinc2 = -yinc2;
+ }
+
+ x = x1;
+ y = y1;
+
+ for (i = 0; i < numpixels; i++)
+ {
+ if (((unsigned)x < (unsigned)current_vp->width) && ((unsigned)y < (unsigned)current_vp->height))
+ pfunc(LCDADDR(x + current_vp->x, y + current_vp->y));
+
+ if (d < 0)
+ {
+ d += dinc1;
+ x += xinc1;
+ y += yinc1;
+ }
+ else
+ {
+ d += dinc2;
+ x += xinc2;
+ y += yinc2;
+ }
+ }
+}
+
+/* Draw a horizontal line (optimised) */
+void lcd_hline(int x1, int x2, int y)
+{
+ int x;
+ fb_data *dst, *dst_end;
+ lcd_fastpixelfunc_type *pfunc = lcd_fastpixelfuncs[current_vp->drawmode];
+
+ /* direction flip */
+ if (x2 < x1)
+ {
+ x = x1;
+ x1 = x2;
+ x2 = x;
+ }
+
+ /* nothing to draw? */
+ if (((unsigned)y >= (unsigned)current_vp->height) ||
+ (x1 >= current_vp->width) ||
+ (x2 < 0))
+ return;
+
+ /* clipping */
+ if (x1 < 0)
+ x1 = 0;
+ if (x2 >= current_vp->width)
+ x2 = current_vp->width-1;
+
+ dst = LCDADDR(x1 + current_vp->x, y + current_vp->y);
+ dst_end = dst - (x2 - x1) * LCD_HEIGHT;
+
+ do
+ {
+ pfunc(dst);
+ dst -= LCD_HEIGHT;
+ }
+ while (dst >= dst_end);
+}
+
+/* Draw a vertical line (optimised) */
+void lcd_vline(int x, int y1, int y2)
+{
+ int y, height;
+ unsigned bits = 0;
+ enum fill_opt fillopt = OPT_NONE;
+ fb_data *dst, *dst_end;
+
+ /* direction flip */
+ if (y2 < y1)
+ {
+ y = y1;
+ y1 = y2;
+ y2 = y;
+ }
+
+ /* nothing to draw? */
+ if (((unsigned)x >= (unsigned)current_vp->width) ||
+ (y1 >= current_vp->height) ||
+ (y2 < 0))
+ return;
+
+ /* drawmode and optimisation */
+ if (current_vp->drawmode & DRMODE_INVERSEVID)
+ {
+ if (current_vp->drawmode & DRMODE_BG)
+ {
+ if (!lcd_backdrop)
+ {
+ fillopt = OPT_SET;
+ bits = current_vp->bg_pattern;
+ }
+ else
+ fillopt = OPT_COPY;
+ }
+ }
+ else
+ {
+ if (current_vp->drawmode & DRMODE_FG)
+ {
+ fillopt = OPT_SET;
+ bits = current_vp->fg_pattern;
+ }
+ }
+ if (fillopt == OPT_NONE && current_vp->drawmode != DRMODE_COMPLEMENT)
+ return;
+
+ /* clipping */
+ if (y1 < 0)
+ y1 = 0;
+ if (y2 >= current_vp->height)
+ y2 = current_vp->height-1;
+
+ height = y2 - y1 + 1;
+
+ /* Adjust y1 and x to viewport */
+ y1 += current_vp->y;
+ x += current_vp->x;
+
+ dst = LCDADDR(x, y1);
+
+ switch (fillopt)
+ {
+ case OPT_SET:
+ memset16(dst, bits, height);
+ break;
+
+ case OPT_COPY:
+ memcpy(dst, (void *)((long)dst + lcd_backdrop_offset),
+ height * sizeof(fb_data));
+ break;
+
+ case OPT_NONE: /* DRMODE_COMPLEMENT */
+ dst_end = dst + height;
+ do
+ *dst = ~(*dst);
+ while (++dst < dst_end);
+ break;
+ }
+}
+
+/* Draw a rectangular box */
+void lcd_drawrect(int x, int y, int width, int height)
+{
+ if ((width <= 0) || (height <= 0))
+ return;
+
+ int x2 = x + width - 1;
+ int y2 = y + height - 1;
+
+ lcd_vline(x, y, y2);
+ lcd_vline(x2, y, y2);
+ lcd_hline(x, x2, y);
+ lcd_hline(x, x2, y2);
+}
+
+/* Fill a rectangular area */
+void lcd_fillrect(int x, int y, int width, int height)
+{
+ unsigned bits = 0;
+ enum fill_opt fillopt = OPT_NONE;
+ fb_data *dst, *dst_end;
+
+ /* nothing to draw? */
+ if ((width <= 0) || (height <= 0) || (x >= current_vp->width) ||
+ (y >= current_vp->height) || (x + width <= 0) || (y + height <= 0))
+ return;
+
+ /* drawmode and optimisation */
+ if (current_vp->drawmode & DRMODE_INVERSEVID)
+ {
+ if (current_vp->drawmode & DRMODE_BG)
+ {
+ if (!lcd_backdrop)
+ {
+ fillopt = OPT_SET;
+ bits = current_vp->bg_pattern;
+ }
+ else
+ fillopt = OPT_COPY;
+ }
+ }
+ else
+ {
+ if (current_vp->drawmode & DRMODE_FG)
+ {
+ fillopt = OPT_SET;
+ bits = current_vp->fg_pattern;
+ }
+ }
+ if (fillopt == OPT_NONE && current_vp->drawmode != DRMODE_COMPLEMENT)
+ return;
+
+ /* clipping */
+ if (x < 0)
+ {
+ width += x;
+ x = 0;
+ }
+ if (y < 0)
+ {
+ height += y;
+ y = 0;
+ }
+ if (x + width > current_vp->width)
+ width = current_vp->width - x;
+ if (y + height > current_vp->height)
+ height = current_vp->height - y;
+
+ dst = LCDADDR(current_vp->x + x, current_vp->y + y);
+ dst_end = dst - width * LCD_HEIGHT;
+
+ do
+ {
+ fb_data *dst_col, *col_end;
+
+ switch (fillopt)
+ {
+ case OPT_SET:
+ memset16(dst, bits, height);
+ break;
+
+ case OPT_COPY:
+ memcpy(dst, (void *)((long)dst + lcd_backdrop_offset),
+ height * sizeof(fb_data));
+ break;
+
+ case OPT_NONE: /* DRMODE_COMPLEMENT */
+ dst_col = dst;
+ col_end = dst_col + height;
+ do
+ *dst_col = ~(*dst_col);
+ while (++dst_col < col_end);
+ break;
+ }
+ dst-=LCD_HEIGHT;
+ }
+ while (dst > dst_end);
+}
+
+/* About Rockbox' internal monochrome bitmap format:
+ *
+ * A bitmap contains one bit for every pixel that defines if that pixel is
+ * black (1) or white (0). Bits within a byte are arranged vertically, LSB
+ * at top.
+ * The bytes are stored in row-major order, with byte 0 being top left,
+ * byte 1 2nd from left etc. The first row of bytes defines pixel rows
+ * 0..7, the second row defines pixel row 8..15 etc.
+ *
+ * This is the mono bitmap format used on all other targets so far; the
+ * pixel packing doesn't really matter on a 8bit+ target. */
+
+/* Draw a partial monochrome bitmap */
+
+void ICODE_ATTR lcd_mono_bitmap_part(const unsigned char *src, int src_x,
+ int src_y, int stride, int x, int y,
+ int width, int height)
+{
+ const unsigned char *src_end;
+ fb_data *dst, *dst_end;
+ unsigned dmask = 0x100; /* bit 8 == sentinel */
+ int drmode = current_vp->drawmode;
+
+ /* nothing to draw? */
+ if ((width <= 0) || (height <= 0) || (x >= current_vp->width) ||
+ (y >= current_vp->height) || (x + width <= 0) || (y + height <= 0))
+ return;
+
+ /* clipping */
+ if (x < 0)
+ {
+ width += x;
+ src_x -= x;
+ x = 0;
+ }
+ if (y < 0)
+ {
+ height += y;
+ src_y -= y;
+ y = 0;
+ }
+ if (x + width > current_vp->width)
+ width = current_vp->width - x;
+ if (y + height > current_vp->height)
+ height = current_vp->height - y;
+
+ src += stride * (src_y >> 3) + src_x; /* move starting point */
+ src_y &= 7;
+ src_end = src + width;
+ dst = LCDADDR(current_vp->x + x, current_vp->y + y);
+ dst_end = dst + height;
+
+ if (drmode & DRMODE_INVERSEVID)
+ {
+ dmask = 0x1ff; /* bit 8 == sentinel */
+ drmode &= DRMODE_SOLID; /* mask out inversevid */
+ }
+
+ do
+ {
+ const unsigned char *src_col = src++;
+ unsigned data = (*src_col ^ dmask) >> src_y;
+ fb_data *dst_col = dst;
+ int fg, bg;
+ long bo;
+
+#define UPDATE_SRC do { \
+ data >>= 1; \
+ if (data == 0x001) { \
+ src_col += stride; \
+ data = *src_col ^ dmask; \
+ } \
+ } while (0)
+
+ switch (drmode)
+ {
+ case DRMODE_COMPLEMENT:
+ do
+ {
+ if (data & 0x01)
+ *dst_col = ~(*dst_col);
+
+ dst_col++;
+ UPDATE_SRC;
+ }
+ while (dst_col < dst_end);
+ break;
+
+ case DRMODE_BG:
+ if (lcd_backdrop)
+ {
+ bo = lcd_backdrop_offset;
+ do
+ {
+ if (!(data & 0x01))
+ *dst_col = *(fb_data *)((long)dst_col + bo);
+
+ dst_col++;
+ UPDATE_SRC;
+ }
+ while (dst_col < dst_end);
+ }
+ else
+ {
+ bg = current_vp->bg_pattern;
+ do
+ {
+ if (!(data & 0x01))
+ *dst_col = bg;
+
+ dst_col++;
+ UPDATE_SRC;
+ }
+ while (dst_col < dst_end);
+ }
+ break;
+
+ case DRMODE_FG:
+ fg = current_vp->fg_pattern;
+ do
+ {
+ if (data & 0x01)
+ *dst_col = fg;
+
+ dst_col++;
+ UPDATE_SRC;
+ }
+ while (dst_col < dst_end);
+ break;
+
+ case DRMODE_SOLID:
+ fg = current_vp->fg_pattern;
+ if (lcd_backdrop)
+ {
+ bo = lcd_backdrop_offset;
+ do
+ {
+ *dst_col = (data & 0x01) ? fg
+ : *(fb_data *)((long)dst_col + bo);
+ dst_col++;
+ UPDATE_SRC;
+ }
+ while (dst_col < dst_end);
+ }
+ else
+ {
+ bg = current_vp->bg_pattern;
+ do
+ {
+ *dst_col = (data & 0x01) ? fg : bg;
+ dst_col ++;
+ UPDATE_SRC;
+ }
+ while (dst_col < dst_end);
+ }
+ break;
+ }
+
+ dst -= LCD_HEIGHT;
+ dst_end -= LCD_HEIGHT;
+ } while (src < src_end);
+}
+/* Draw a full monochrome bitmap */
+void lcd_mono_bitmap(const unsigned char *src, int x, int y, int width, int height)
+{
+ lcd_mono_bitmap_part(src, 0, 0, width, x, y, width, height);
+}
+
+/* Draw a partial native bitmap */
+void ICODE_ATTR lcd_bitmap_part(const fb_data *src, int src_x, int src_y,
+ int stride, int x, int y, int width,
+ int height)
+{
+ fb_data *dst, *dst_end;
+
+ /* nothing to draw? */
+ if ((width <= 0) || (height <= 0) || (x >= current_vp->width) ||
+ (y >= current_vp->height) || (x + width <= 0) || (y + height <= 0))
+ return;
+
+ /* clipping */
+ if (x < 0)
+ {
+ width += x;
+ src_x -= x;
+ x = 0;
+ }
+ if (y < 0)
+ {
+ height += y;
+ src_y -= y;
+ y = 0;
+ }
+ if (x + width > current_vp->width)
+ width = current_vp->width - x;
+ if (y + height > current_vp->height)
+ height = current_vp->height - y;
+
+ src += stride * src_x + src_y; /* move starting point */
+ dst = LCDADDR(current_vp->x + x, current_vp->y + y);
+ dst_end = dst - width * LCD_HEIGHT;
+
+ do
+ {
+ memcpy(dst, src, height * sizeof(fb_data));
+ src += stride;
+ dst -= LCD_HEIGHT;
+ }
+ while (dst > dst_end);
+}
+
+/* Draw a full native bitmap */
+void lcd_bitmap(const fb_data *src, int x, int y, int width, int height)
+{
+ lcd_bitmap_part(src, 0, 0, STRIDE(width, height), x, y, width, height);
+}
+
+#if !defined(TOSHIBA_GIGABEAT_F) && !defined(TOSHIBA_GIGABEAT_S) \
+ || defined(SIMULATOR)
+/* Draw a partial native bitmap */
+void ICODE_ATTR lcd_bitmap_transparent_part(const fb_data *src, int src_x,
+ int src_y, int stride, int x,
+ int y, int width, int height)
+{
+ fb_data *dst, *dst_end;
+
+ /* nothing to draw? */
+ if ((width <= 0) || (height <= 0) || (x >= current_vp->width) ||
+ (y >= current_vp->height) || (x + width <= 0) || (y + height <= 0))
+ return;
+
+ /* clipping */
+ if (x < 0)
+ {
+ width += x;
+ src_x -= x;
+ x = 0;
+ }
+ if (y < 0)
+ {
+ height += y;
+ src_y -= y;
+ y = 0;
+ }
+ if (x + width > current_vp->width)
+ width = current_vp->width - x;
+ if (y + height > current_vp->height)
+ height = current_vp->height - y;
+
+ src += stride * src_x + src_y; /* move starting point */
+ dst = LCDADDR(current_vp->x + x, current_vp->y + y);
+ dst_end = dst - width * LCD_HEIGHT;
+
+ do
+ {
+ int i;
+ for(i = 0;i < height;i++)
+ {
+ if (src[i] == REPLACEWITHFG_COLOR)
+ dst[i] = current_vp->fg_pattern;
+ else if(src[i] != TRANSPARENT_COLOR)
+ dst[i] = src[i];
+ }
+ src += stride;
+ dst -= LCD_HEIGHT;
+ }
+ while (dst > dst_end);
+}
+#endif /* !defined(TOSHIBA_GIGABEAT_F) || defined(SIMULATOR) */
+
+/* Draw a full native bitmap with a transparent color */
+void lcd_bitmap_transparent(const fb_data *src, int x, int y,
+ int width, int height)
+{
+ lcd_bitmap_transparent_part(src, 0, 0,
+ STRIDE(width, height), x, y, width, height);
+}
+
+#include "lcd-bitmap-common.c"