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Made color picker work on x5 remote and display nicely when using backdrops. Also tweaked the appearance in general. Keymap still does not entirely function however (no inc/dec yet).

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11193 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2006-10-11 20:34:25 +00:00
parent 504dae291c
commit cc66aea55d
1 changed files with 276 additions and 116 deletions
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392
apps/gui/color_picker.c
View file

@ -23,6 +23,7 @@
#include "kernel.h"
#include "system.h"
#include "screen_access.h"
#include "font.h"
#include "debug.h"
#include "misc.h"
#include "settings.h"
@ -31,115 +32,291 @@
#include "splash.h"
#include "action.h"
#define TEXT_MARGIN display->char_width+2
#define SLIDER_START 20
/* structure for color info */
struct rgb_pick
{
unsigned color; /* native color value */
union
{
unsigned char rgb_val[6]; /* access to components as array */
struct
{
unsigned char r; /* native red value */
unsigned char g; /* native green value */
unsigned char b; /* native blue value */
unsigned char red; /* 8 bit red value */
unsigned char green; /* 8 bit green value */
unsigned char blue; /* 8 bit blue value */
} __attribute__ ((__packed__)); /* assume byte packing */
};
};
static const int max_val[3] = {LCD_MAX_RED,LCD_MAX_GREEN,LCD_MAX_BLUE};
/* maximum values for components */
static const unsigned char max_val[3] =
{
LCD_MAX_RED,
LCD_MAX_GREEN,
LCD_MAX_BLUE
};
/* list of primary colors */
static const unsigned prim_rgb[3] =
{
LCD_RGBPACK(255, 0, 0),
LCD_RGBPACK(0, 255, 0),
LCD_RGBPACK(0, 0 ,255),
};
/* Unpacks the color value into native rgb values and 24 bit rgb values */
static void unpack_rgb(struct rgb_pick *rgb)
{
unsigned color = rgb->color;
#if LCD_PIXELFORMAT == RGB565SWAPPED
swap16(color);
#endif
rgb->r = (color & 0xf800) >> 11;
rgb->g = (color & 0x07e0) >> 5;
rgb->b = (color & 0x001f);
rgb->red = _RGB_UNPACK_RED(color);
rgb->green = _RGB_UNPACK_GREEN(color);
rgb->blue = _RGB_UNPACK_BLUE(color);
}
/* Packs the native rgb colors into a color value */
static void pack_rgb(struct rgb_pick *rgb)
{
unsigned color = (rgb->r & 0x1f) << 11 |
(rgb->g & 0x3f) << 5 |
(rgb->b & 0x1f);
#if LCD_PIXELFORMAT == RGB565SWAPPED
swap16(color);
#endif
rgb->color = color;
}
/* Returns LCD_BLACK if the color is above a threshold brightness
else return LCD_WHITE */
static inline unsigned get_black_or_white(const struct rgb_pick *rgb)
{
return (4*rgb->r + 5*rgb->g + 2*rgb->b) >= 256 ?
LCD_BLACK : LCD_WHITE;
}
#define MARGIN_LEFT 2 /* Left margin of screen */
#define MARGIN_TOP 4 /* Top margin of screen */
#define MARGIN_RIGHT 2 /* Right margin of screen */
#define MARGIN_BOTTOM 4 /* Bottom margin of screen */
#define SLIDER_MARGIN_LEFT 2 /* Gap to left of sliders */
#define SLIDER_MARGIN_RIGHT 2 /* Gap to right of sliders */
#define TITLE_MARGIN_BOTTOM 4 /* Space below title bar */
#define SELECTOR_LR_MARGIN 1 /* Margin between ">" and text */
#define SELECTOR_TB_MARGIN 1 /* Margin on top and bottom of selector */
#define SWATCH_TOP_MARGIN 4 /* Space between last slider and swatch */
/* dunno why lcd_set_drawinfo should be left out of struct screen */
static void set_drawinfo(struct screen *display, int mode,
unsigned foreground, unsigned background)
{
display->set_drawmode(mode);
if (display->depth > 1)
{
display->set_foreground(foreground);
display->set_background(background);
}
}
static void draw_screen(struct screen *display, char *title,
int *rgb_val, int color, int row)
struct rgb_pick *rgb, int row)
{
int i;
char *textrgb = str(LANG_COLOR_RGB_LABELS), rgb_dummy[2] = {0,0};
int text_top;
int text_centre, bg_col;
char buf[32];
int slider_width = (display->width-SLIDER_START-(display->char_width*5));
int background_color = global_settings.bg_color;
int text_color = global_settings.fg_color;
bool display_three_rows = (display->height/6) > display->char_height;
unsigned text_color = LCD_BLACK;
unsigned background_color = LCD_WHITE;
char buf[32];
int i, x, y;
int text_top;
int slider_left, slider_width;
bool display_three_rows;
int max_label_width;
display->clear_display();
if (display->depth > 1) {
display->set_foreground(text_color);
if (display->depth > 1)
{
text_color = display->get_foreground();
background_color = display->get_background();
}
i = display->getstringsize(title,0,0);
display->putsxy((display->width-i)/2,6,title );
/* Find out if there's enought room for three slider or just
enought to display the selected slider */
display_three_rows = display->height >= display->char_height*4 +
MARGIN_TOP +
TITLE_MARGIN_BOTTOM +
MARGIN_BOTTOM;
text_top = display->char_height*2;
bg_col = background_color;
for (i=0; i<3 ;i++)
/* Figure out widest label character in case they vary */
for (i = 0, max_label_width = 0; i < 3; i++)
{
buf[0] = str(LANG_COLOR_RGB_LABELS)[i];
buf[1] = '\0';
x = display->getstringsize(buf, NULL, NULL);
if (x > max_label_width)
max_label_width = x;
}
/* Draw title string */
set_drawinfo(display, DRMODE_SOLID, text_color, background_color);
display->getstringsize(title, &x, &y);
display->putsxy((display->width - x) / 2, MARGIN_TOP, title);
/* Get slider positions and top starting position */
text_top = MARGIN_TOP + y + TITLE_MARGIN_BOTTOM + SELECTOR_TB_MARGIN;
slider_left = MARGIN_LEFT + SELECTOR_LR_MARGIN + display->char_width +
max_label_width + SLIDER_MARGIN_LEFT;
slider_width = display->width - slider_left - SLIDER_MARGIN_RIGHT -
SELECTOR_LR_MARGIN - display->char_width*3 - MARGIN_RIGHT;
for (i = 0; i < 3; i++)
{
int mode = DRMODE_SOLID;
unsigned fg = text_color;
unsigned bg = background_color;
if (!display_three_rows)
i = row;
if (i==row)
if (i == row)
{
if ((global_settings.invert_cursor) && (display->depth >2))
set_drawinfo(display, DRMODE_SOLID, text_color,
background_color);
if (global_settings.invert_cursor)
{
display->fillrect(0,text_top-1,display->width,display->char_height+2);
bg_col = text_color;
/* Draw solid bar selection bar */
display->fillrect(0,
text_top - SELECTOR_TB_MARGIN,
display->width,
display->char_height +
SELECTOR_TB_MARGIN*2);
if (display->depth == 1)
{
/* Just invert for low mono display */
mode |= DRMODE_INVERSEVID;
}
else
{
if (display->depth >= 16)
{
/* Backdrops will show through text in
DRMODE_SOLID */
mode = DRMODE_FG;
fg = prim_rgb[i];
}
else
{
fg = background_color;
}
bg = text_color;
}
}
else if (display_three_rows)
{
display->putsxy(0,text_top,">");
display->putsxy(display->width-display->char_width-2,text_top,"<");
bg_col = background_color;
}
if (display->depth > 1)
{
if (i==0)
display->set_foreground(LCD_RGBPACK(255, 0, 0));
else if (i==1)
display->set_foreground(LCD_RGBPACK(0, 255, 0));
else if (i==2)
display->set_foreground(LCD_RGBPACK(0 ,0 ,255));
/* Draw "> <" around sliders */
display->putsxy(MARGIN_LEFT, text_top, ">");
display->putsxy(display->width-display->char_width -
MARGIN_RIGHT, text_top, "<");
if (display->depth >= 16)
fg = prim_rgb[i];
}
}
else
{
if (display->depth > 1)
display->set_foreground(text_color);
bg_col = background_color;
}
set_drawinfo(display, mode, fg, bg);
if (display->depth > 1)
display->set_background(bg_col);
/* Draw label - assumes labels are one character */
buf[0] = str(LANG_COLOR_RGB_LABELS)[i];
buf[1] = '\0';
display->putsxy(slider_left - display->char_width -
SLIDER_MARGIN_LEFT, text_top, buf);
text_centre = text_top+(display->char_height/2);
rgb_dummy[0] = textrgb[i];
display->putsxy(TEXT_MARGIN,text_top,rgb_dummy);
snprintf(buf,3,"%02d",rgb_val[i]);
display->putsxy(display->width-(display->char_width*4),text_top,buf);
/* Draw color value */
snprintf(buf, 3, "%02d", rgb->rgb_val[i]);
display->putsxy(slider_left + slider_width + SLIDER_MARGIN_RIGHT,
text_top, buf);
text_top += display->char_height/4;
/* Draw scrollbar */
gui_scrollbar_draw(display,
slider_left,
text_top + display->char_height / 4,
slider_width,
display->char_height / 2,
max_val[i],
0,
rgb->rgb_val[i],
HORIZONTAL);
/* Advance to next line */
text_top += display->char_height + 2*SELECTOR_TB_MARGIN;
gui_scrollbar_draw(display,SLIDER_START,text_top,slider_width,
display->char_height/2,
max_val[i],0,rgb_val[i],HORIZONTAL);
if (!display_three_rows)
break;
text_top += display->char_height;
break;
}
if (display->depth > 1) {
display->set_background(background_color);
display->set_foreground(text_color);
/* Format RGB: #rrggbb */
snprintf(buf, sizeof(buf), str(LANG_COLOR_RGB_VALUE),
rgb->red, rgb->green, rgb->blue);
if (display->depth >= 16)
{
/* Display color swatch on color screens only */
int left = slider_left;
int top = text_top + SWATCH_TOP_MARGIN;
int width = display->width - slider_left - left;
int height = display->height - top - MARGIN_BOTTOM;
display->setfont(FONT_SYSFIXED);
/* Only draw if room */
if (height >= display->char_height + 2)
{
display->set_foreground(rgb->color);
display->fillrect(left, top, width, height);
/* Draw RGB: #rrggbb in middle of swatch */
display->set_drawmode(DRMODE_FG);
display->getstringsize(buf, &x, &y);
display->set_foreground(get_black_or_white(rgb));
x = left + (width - x) / 2;
y = top + (height - y) / 2;
display->putsxy(x, y, buf);
display->set_drawmode(DRMODE_SOLID);
/* Draw border */
display->set_foreground(text_color);
display->drawrect(left - 1, top - 1, width + 2, height + 2);
}
display->setfont(FONT_UI);
}
else
{
/* Display RGB value only centered on remaining display if room */
display->getstringsize(buf, &x, &y);
i = text_top + SWATCH_TOP_MARGIN;
if (text_top + (display->char_height*2) < (display->height-40-display->char_height))
text_top += (display->char_height*2);
else text_top += (display->char_height);
/* Display RGB: #rrggbb */
snprintf(buf,sizeof(buf),str(LANG_COLOR_RGB_VALUE),
RGB_UNPACK_RED(color),
RGB_UNPACK_GREEN(color),
RGB_UNPACK_BLUE(color));
display->putsxy((display->width-(display->char_width*11))/2,text_top,buf);
if (display->depth > 1) {
display->set_foreground(color);
display->fillrect(SLIDER_START,LCD_HEIGHT-40,slider_width,35);
display->set_foreground(LCD_BLACK);
display->drawrect(SLIDER_START-1,LCD_HEIGHT-41,slider_width+2,37);
if (i + y <= display->height - MARGIN_BOTTOM)
{
set_drawinfo(display, DRMODE_SOLID, text_color, background_color);
x = (display->width - x) / 2;
y = (i + display->height - MARGIN_BOTTOM - y) / 2;
display->putsxy(x, y, buf);
}
}
display->update();
/* Be sure screen mode is reset */
set_drawinfo(display, DRMODE_SOLID, text_color, background_color);
}
/***********
@ -148,74 +325,59 @@ static void draw_screen(struct screen *display, char *title,
color is a pointer to the colour (in native format) to modify
set banned_color to -1 to allow all
***********/
bool set_color(struct screen *display,char *title, int* color, int banned_color)
bool set_color(struct screen *display, char *title, int* color, int banned_color)
{
int exit = 0, button, slider=0;
int rgb_val[3]; /* native depth r,g,b*/;
int fgcolor = display->get_foreground();
int newcolor = *color;
int exit = 0, button, slider = 0;
int i;
struct rgb_pick rgb;
(void)display;
#if LCD_PIXELFORMAT == RGB565
rgb_val[0] = ((*color)&0xf800) >> 11;
rgb_val[1] = ((*color)&0x07e0) >> 5;
rgb_val[2] = ((*color)&0x001f);
#elif LCD_PIXELFORMAT == RGB565SWAPPED
rgb_val[0] = ((swap16(*color))&0xf800) >> 11;
rgb_val[1] = ((swap16(*color))&0x07e0) >> 5;
rgb_val[2] = ((swap16(*color))&0x001f);
#endif
rgb.color = *color;
while (!exit)
{
/* We need to maintain three versions of the colour:
unpack_rgb(&rgb);
rgb_val[3] - the native depth RGB values
newcolor - the native format packed colour
*/
#if LCD_PIXELFORMAT == RGB565
newcolor = (rgb_val[0] << 11) | (rgb_val[1] << 5) | (rgb_val[2]);
#elif LCD_PIXELFORMAT == RGB565SWAPPED
newcolor = swap16((rgb_val[0] << 11) | (rgb_val[1] << 5) | (rgb_val[2]));
#endif
FOR_NB_SCREENS(i)
{
draw_screen(&screens[i], title, rgb_val, newcolor, slider);
draw_screen(&screens[i], title, &rgb, slider);
}
button = get_action(CONTEXT_SETTINGS_COLOURCHOOSER,TIMEOUT_BLOCK);
button = get_action(CONTEXT_SETTINGS_COLOURCHOOSER, TIMEOUT_BLOCK);
switch (button)
{
case ACTION_STD_PREV:
case ACTION_STD_PREVREPEAT:
slider = (slider+2)%3;
slider = (slider + 2) % 3;
break;
case ACTION_STD_NEXT:
case ACTION_STD_NEXTREPEAT:
slider = (slider+1)%3;
slider = (slider + 1) % 3;
break;
case ACTION_SETTINGS_INC:
case ACTION_SETTINGS_INCREPEAT:
if (rgb_val[slider] < max_val[slider])
rgb_val[slider]++;
if (rgb.rgb_val[slider] < max_val[slider])
rgb.rgb_val[slider]++;
pack_rgb(&rgb);
break;
case ACTION_SETTINGS_DEC:
case ACTION_SETTINGS_DECREPEAT:
if (rgb_val[slider] > 0)
rgb_val[slider]--;
if (rgb.rgb_val[slider] > 0)
rgb.rgb_val[slider]--;
pack_rgb(&rgb);
break;
case ACTION_STD_OK:
if ((banned_color!=-1) && (banned_color == newcolor))
if (banned_color != -1 && (unsigned)banned_color == rgb.color)
{
gui_syncsplash(HZ*2,true,str(LANG_COLOR_UNACCEPTABLE));
gui_syncsplash(HZ*2, true, str(LANG_COLOR_UNACCEPTABLE));
break;
}
*color = newcolor;
*color = rgb.color;
exit = 1;
break;
@ -224,14 +386,12 @@ bool set_color(struct screen *display,char *title, int* color, int banned_color)
break;
default:
if(default_event_handler(button) == SYS_USB_CONNECTED) {
display->set_foreground(fgcolor);
if (default_event_handler(button) == SYS_USB_CONNECTED)
return true;
}
break;
}
}
display->set_foreground(fgcolor);
action_signalscreenchange();
return false;
}