/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2006 Antoine Cellerier * Based on parts of rockpaint 0.45, Copyright (C) 2005 Eli Sherer * * 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. * ****************************************************************************/ /** * TODO: * - implement 2 layers with alpha colors * - take brush width into account when drawing shapes * - handle bigger than screen bitmaps */ #include "plugin.h" #include "lib/pluginlib_bmp.h" #include "lib/rgb_hsv.h" #include "lib/playback_control.h" #include "pluginbitmaps/rockpaint.h" #include "pluginbitmaps/rockpaint_hsvrgb.h" /*********************************************************************** * Buttons ***********************************************************************/ #if CONFIG_KEYPAD == IRIVER_H300_PAD #define ROCKPAINT_QUIT BUTTON_OFF #define ROCKPAINT_DRAW BUTTON_SELECT #define ROCKPAINT_MENU BUTTON_ON #define ROCKPAINT_TOOLBAR BUTTON_REC #define ROCKPAINT_TOOLBAR2 BUTTON_MODE #define ROCKPAINT_UP BUTTON_UP #define ROCKPAINT_DOWN BUTTON_DOWN #define ROCKPAINT_LEFT BUTTON_LEFT #define ROCKPAINT_RIGHT BUTTON_RIGHT #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \ (CONFIG_KEYPAD == IPOD_1G2G_PAD) #define ROCKPAINT_QUIT ( ~BUTTON_MAIN ) #define ROCKPAINT_DRAW BUTTON_SELECT #define ROCKPAINT_MENU ( BUTTON_SELECT | BUTTON_MENU ) #define ROCKPAINT_TOOLBAR ( BUTTON_MENU | BUTTON_LEFT ) #define ROCKPAINT_TOOLBAR2 ( BUTTON_MENU | BUTTON_RIGHT ) #define ROCKPAINT_UP BUTTON_MENU #define ROCKPAINT_DOWN BUTTON_PLAY #define ROCKPAINT_LEFT BUTTON_LEFT #define ROCKPAINT_RIGHT BUTTON_RIGHT #elif ( CONFIG_KEYPAD == IAUDIO_X5M5_PAD ) #define ROCKPAINT_QUIT BUTTON_POWER #define ROCKPAINT_DRAW BUTTON_SELECT #define ROCKPAINT_MENU BUTTON_PLAY #define ROCKPAINT_TOOLBAR BUTTON_REC #define ROCKPAINT_TOOLBAR2 ( BUTTON_REC | BUTTON_LEFT ) #define ROCKPAINT_UP BUTTON_UP #define ROCKPAINT_DOWN BUTTON_DOWN #define ROCKPAINT_LEFT BUTTON_LEFT #define ROCKPAINT_RIGHT BUTTON_RIGHT #elif CONFIG_KEYPAD == GIGABEAT_PAD #define ROCKPAINT_QUIT BUTTON_POWER #define ROCKPAINT_DRAW BUTTON_SELECT #define ROCKPAINT_MENU BUTTON_MENU #define ROCKPAINT_TOOLBAR BUTTON_A #define ROCKPAINT_TOOLBAR2 ( BUTTON_A | BUTTON_LEFT ) #define ROCKPAINT_UP BUTTON_UP #define ROCKPAINT_DOWN BUTTON_DOWN #define ROCKPAINT_LEFT BUTTON_LEFT #define ROCKPAINT_RIGHT BUTTON_RIGHT #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \ (CONFIG_KEYPAD == SANSA_C200_PAD) #define ROCKPAINT_QUIT BUTTON_POWER #define ROCKPAINT_DRAW BUTTON_SELECT #define ROCKPAINT_MENU ( BUTTON_SELECT | BUTTON_POWER ) #define ROCKPAINT_TOOLBAR BUTTON_REC #define ROCKPAINT_TOOLBAR2 ( BUTTON_REC | BUTTON_LEFT ) #define ROCKPAINT_UP BUTTON_UP #define ROCKPAINT_DOWN BUTTON_DOWN #define ROCKPAINT_LEFT BUTTON_LEFT #define ROCKPAINT_RIGHT BUTTON_RIGHT #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD) #define ROCKPAINT_QUIT (BUTTON_HOME|BUTTON_REPEAT) #define ROCKPAINT_DRAW BUTTON_SELECT #define ROCKPAINT_MENU ( BUTTON_SELECT | BUTTON_DOWN ) #define ROCKPAINT_TOOLBAR ( BUTTON_SELECT | BUTTON_LEFT ) #define ROCKPAINT_TOOLBAR2 ( BUTTON_SELECT | BUTTON_RIGHT ) #define ROCKPAINT_UP BUTTON_UP #define ROCKPAINT_DOWN BUTTON_DOWN #define ROCKPAINT_LEFT BUTTON_LEFT #define ROCKPAINT_RIGHT BUTTON_RIGHT #elif ( CONFIG_KEYPAD == IRIVER_H10_PAD ) #define ROCKPAINT_QUIT BUTTON_POWER #define ROCKPAINT_DRAW BUTTON_FF #define ROCKPAINT_MENU BUTTON_PLAY #define ROCKPAINT_TOOLBAR BUTTON_REW #define ROCKPAINT_TOOLBAR2 ( BUTTON_REW | BUTTON_LEFT ) #define ROCKPAINT_UP BUTTON_SCROLL_UP #define ROCKPAINT_DOWN BUTTON_SCROLL_DOWN #define ROCKPAINT_LEFT BUTTON_LEFT #define ROCKPAINT_RIGHT BUTTON_RIGHT #elif CONFIG_KEYPAD == GIGABEAT_S_PAD #define ROCKPAINT_QUIT BUTTON_BACK #define ROCKPAINT_DRAW BUTTON_SELECT #define ROCKPAINT_MENU BUTTON_MENU #define ROCKPAINT_TOOLBAR BUTTON_PLAY #define ROCKPAINT_TOOLBAR2 ( BUTTON_PLAY | BUTTON_LEFT ) #define ROCKPAINT_UP BUTTON_UP #define ROCKPAINT_DOWN BUTTON_DOWN #define ROCKPAINT_LEFT BUTTON_LEFT #define ROCKPAINT_RIGHT BUTTON_RIGHT #elif ( CONFIG_KEYPAD == COWON_D2_PAD ) #define ROCKPAINT_QUIT BUTTON_POWER #define ROCKPAINT_MENU BUTTON_MENU #elif CONFIG_KEYPAD == CREATIVEZVM_PAD #define ROCKPAINT_QUIT BUTTON_BACK #define ROCKPAINT_DRAW BUTTON_SELECT #define ROCKPAINT_MENU BUTTON_MENU #define ROCKPAINT_TOOLBAR BUTTON_PLAY #define ROCKPAINT_TOOLBAR2 ( BUTTON_PLAY | BUTTON_LEFT ) #define ROCKPAINT_UP BUTTON_UP #define ROCKPAINT_DOWN BUTTON_DOWN #define ROCKPAINT_LEFT BUTTON_LEFT #define ROCKPAINT_RIGHT BUTTON_RIGHT #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD #define ROCKPAINT_QUIT BUTTON_POWER #define ROCKPAINT_DRAW BUTTON_SELECT #define ROCKPAINT_MENU BUTTON_MENU #define ROCKPAINT_TOOLBAR BUTTON_VIEW #define ROCKPAINT_TOOLBAR2 BUTTON_PLAYLIST #define ROCKPAINT_UP BUTTON_UP #define ROCKPAINT_DOWN BUTTON_DOWN #define ROCKPAINT_LEFT BUTTON_LEFT #define ROCKPAINT_RIGHT BUTTON_RIGHT #elif CONFIG_KEYPAD == PHILIPS_HDD6330_PAD #define ROCKPAINT_QUIT BUTTON_POWER #define ROCKPAINT_DRAW BUTTON_PLAY #define ROCKPAINT_MENU BUTTON_MENU #define ROCKPAINT_TOOLBAR BUTTON_PREV #define ROCKPAINT_TOOLBAR2 BUTTON_NEXT #define ROCKPAINT_UP BUTTON_UP #define ROCKPAINT_DOWN BUTTON_DOWN #define ROCKPAINT_LEFT BUTTON_LEFT #define ROCKPAINT_RIGHT BUTTON_RIGHT #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD #define ROCKPAINT_QUIT BUTTON_POWER #define ROCKPAINT_DRAW BUTTON_PLAY #define ROCKPAINT_MENU BUTTON_MENU #define ROCKPAINT_TOOLBAR BUTTON_RIGHT #define ROCKPAINT_TOOLBAR2 BUTTON_LEFT #define ROCKPAINT_UP BUTTON_UP #define ROCKPAINT_DOWN BUTTON_DOWN #define ROCKPAINT_LEFT BUTTON_PREV #define ROCKPAINT_RIGHT BUTTON_NEXT #elif ( CONFIG_KEYPAD == ONDAVX747_PAD ) #define ROCKPAINT_QUIT BUTTON_POWER #define ROCKPAINT_MENU BUTTON_MENU #elif ( CONFIG_KEYPAD == ONDAVX777_PAD ) #define ROCKPAINT_QUIT BUTTON_POWER #elif CONFIG_KEYPAD == MROBE500_PAD #define ROCKPAINT_QUIT BUTTON_POWER #elif ( CONFIG_KEYPAD == SAMSUNG_YH_PAD ) #define ROCKPAINT_QUIT BUTTON_REC #define ROCKPAINT_DRAW BUTTON_PLAY #define ROCKPAINT_MENU BUTTON_FFWD #define ROCKPAINT_TOOLBAR BUTTON_REW #define ROCKPAINT_TOOLBAR2 ( BUTTON_REW | BUTTON_LEFT ) #define ROCKPAINT_UP BUTTON_UP #define ROCKPAINT_DOWN BUTTON_DOWN #define ROCKPAINT_LEFT BUTTON_LEFT #define ROCKPAINT_RIGHT BUTTON_RIGHT #elif CONFIG_KEYPAD == PBELL_VIBE500_PAD #define ROCKPAINT_QUIT BUTTON_REC #define ROCKPAINT_DRAW BUTTON_PLAY #define ROCKPAINT_MENU BUTTON_MENU #define ROCKPAINT_TOOLBAR BUTTON_OK #define ROCKPAINT_TOOLBAR2 BUTTON_CANCEL #define ROCKPAINT_UP BUTTON_UP #define ROCKPAINT_DOWN BUTTON_DOWN #define ROCKPAINT_LEFT BUTTON_PREV #define ROCKPAINT_RIGHT BUTTON_NEXT #else #error "Please define keys for this keypad" #endif #ifdef HAVE_TOUCHSCREEN #ifndef ROCKPAINT_QUIT #define ROCKPAINT_QUIT BUTTON_TOPLEFT #endif #ifndef ROCKPAINT_DRAW #define ROCKPAINT_DRAW BUTTON_CENTER #endif #ifndef ROCKPAINT_MENU #define ROCKPAINT_MENU BUTTON_TOPRIGHT #endif #ifndef ROCKPAINT_TOOLBAR #define ROCKPAINT_TOOLBAR BUTTON_BOTTOMLEFT #endif #ifndef ROCKPAINT_TOOLBAR2 #define ROCKPAINT_TOOLBAR2 BUTTON_BOTTOMRIGHT #endif #ifndef ROCKPAINT_UP #define ROCKPAINT_UP BUTTON_TOPMIDDLE #endif #ifndef ROCKPAINT_DOWN #define ROCKPAINT_DOWN BUTTON_BOTTOMMIDDLE #endif #ifndef ROCKPAINT_LEFT #define ROCKPAINT_LEFT BUTTON_MIDLEFT #endif #ifndef ROCKPAINT_RIGHT #define ROCKPAINT_RIGHT BUTTON_MIDRIGHT #endif #endif /*********************************************************************** * Palette Default Colors ***********************************************************************/ #define COLOR_BLACK LCD_RGBPACK(0,0,0) #define COLOR_WHITE LCD_RGBPACK(255,255,255) #define COLOR_DARKGRAY LCD_RGBPACK(128,128,128) #define COLOR_LIGHTGRAY LCD_RGBPACK(192,192,192) #define COLOR_RED LCD_RGBPACK(128,0,0) #define COLOR_LIGHTRED LCD_RGBPACK(255,0,0) #define COLOR_DARKYELLOW LCD_RGBPACK(128,128,0) #define COLOR_YELLOW LCD_RGBPACK(255,255,0) #define COLOR_GREEN LCD_RGBPACK(0,128,0) #define COLOR_LIGHTGREN LCD_RGBPACK(0,255,0) #define COLOR_CYAN LCD_RGBPACK(0,128,128) #define COLOR_LIGHTCYAN LCD_RGBPACK(0,255,255) #define COLOR_BLUE LCD_RGBPACK(0,0,128) #define COLOR_LIGHTBLUE LCD_RGBPACK(0,0,255) #define COLOR_PURPLE LCD_RGBPACK(128,0,128) #define COLOR_PINK LCD_RGBPACK(255,0,255) #define COLOR_BROWN LCD_RGBPACK(128,64,0) #define COLOR_LIGHTBROWN LCD_RGBPACK(255,128,64) /*********************************************************************** * Program Colors ***********************************************************************/ #define ROCKPAINT_PALETTE LCD_RGBPACK(0,64,128) #define ROCKPAINT_SELECTED LCD_RGBPACK(128,192,255) #define ROWS LCD_HEIGHT #define COLS LCD_WIDTH /** * Toolbar positioning stuff ... don't read this unless you really need to * * TB Toolbar * SP Separator * SC Selected Color * PL Palette * TL Tools */ /* Separator sizes */ #define TB_SP_MARGIN 3 #define TB_SP_WIDTH (2+2*TB_SP_MARGIN) /* Selected color sizes */ #define TB_SC_SIZE 12 /* Palette sizes */ #define TB_PL_COLOR_SIZE 7 #define TB_PL_COLOR_SPACING 2 #define TB_PL_WIDTH ( 9 * TB_PL_COLOR_SIZE + 8 * TB_PL_COLOR_SPACING ) #define TB_PL_HEIGHT ( TB_PL_COLOR_SIZE * 2 + TB_PL_COLOR_SPACING ) /* Tools sizes */ #define TB_TL_SIZE 8 #define TB_TL_SPACING 2 #define TB_TL_WIDTH ( 7 * ( TB_TL_SIZE + TB_TL_SPACING ) - TB_TL_SPACING ) #define TB_TL_HEIGHT ( 2 * TB_TL_SIZE + TB_TL_SPACING ) /* Menu button size ... gruik */ #define TB_MENU_MIN_WIDTH 30 /* Selected colors position */ #define TB_SC_FG_TOP 2 #define TB_SC_FG_LEFT 2 #define TB_SC_BG_TOP (TB_SC_FG_TOP+TB_PL_COLOR_SIZE*2+TB_PL_COLOR_SPACING-TB_SC_SIZE) #define TB_SC_BG_LEFT (TB_SC_FG_LEFT+TB_PL_COLOR_SIZE*2+TB_PL_COLOR_SPACING-TB_SC_SIZE) /* Palette position */ #define TB_PL_TOP TB_SC_FG_TOP #define TB_PL_LEFT (TB_SC_BG_LEFT + TB_SC_SIZE + TB_PL_COLOR_SPACING) /* Tools position */ #define TB_TL_TOP TB_SC_FG_TOP #define TB_TL_LEFT ( TB_PL_LEFT + TB_PL_WIDTH-1 + TB_SP_WIDTH ) #if TB_TL_LEFT + TB_TL_WIDTH + TB_MENU_MIN_WIDTH >= LCD_WIDTH #undef TB_TL_TOP #undef TB_TL_LEFT #define TB_TL_TOP ( TB_PL_TOP + TB_PL_HEIGHT + 4 ) #define TB_TL_LEFT TB_SC_FG_LEFT #endif /* Menu button position */ #define TB_MENU_TOP ( TB_TL_TOP + (TB_TL_HEIGHT-8)/2 ) #define TB_MENU_LEFT ( TB_TL_LEFT + TB_TL_WIDTH-1 + TB_SP_WIDTH ) #define TB_HEIGHT ( TB_TL_TOP + TB_TL_HEIGHT + 1 ) static void draw_pixel(int x,int y); static void draw_line( int x1, int y1, int x2, int y2 ); static void draw_rect( int x1, int y1, int x2, int y2 ); static void draw_rect_full( int x1, int y1, int x2, int y2 ); static void draw_toolbars(bool update); static void inv_cursor(bool update); static void restore_screen(void); static void clear_drawing(void); static void reset_tool(void); static void goto_menu(void); static int load_bitmap( const char *filename ); static int save_bitmap( char *filename ); /*********************************************************************** * Global variables ***********************************************************************/ static int drawcolor=0; /* Current color (in palette) */ static int bgdrawcolor=9; /* Current background color (in palette) */ static int img_height = ROWS; static int img_width = COLS; bool isbg = false; /* gruik ugly hack alert */ static int preview=false; /* Is preview mode on ? */ /* TODO: clean this up */ static int x=0, y=0; /* cursor position */ static int prev_x=-1, prev_y=-1; /* previous saved cursor position */ static int prev_x2=-1, prev_y2=-1; static int prev_x3=-1, prev_y3=-1; static int bsize=1; /* brush size */ static int bspeed=1; /* brush speed */ enum Tools { Brush = 0, /* Regular brush */ Fill = 1, /* Fill a shape with current color */ SelectRectangle = 2, ColorPicker = 3, /* Pick a color */ Line = 4, /* Draw a line between two points */ Unused = 5, /* THIS IS UNUSED ... */ Curve = 6, Text = 7, Rectangle = 8, /* Draw a rectangle */ RectangleFull = 9, Oval = 10, /* Draw an oval */ OvalFull = 11, LinearGradient = 12, RadialGradient = 13 }; enum States { State0 = 0, /* initial state */ State1, State2, State3, }; enum Tools tool = Brush; enum States state = State0; static bool quit=false; static int gridsize=0; static fb_data rp_colors[18] = { COLOR_BLACK, COLOR_DARKGRAY, COLOR_RED, COLOR_DARKYELLOW, COLOR_GREEN, COLOR_CYAN, COLOR_BLUE, COLOR_PURPLE, COLOR_BROWN, COLOR_WHITE, COLOR_LIGHTGRAY, COLOR_LIGHTRED, COLOR_YELLOW, COLOR_LIGHTGREN, COLOR_LIGHTCYAN, COLOR_LIGHTBLUE, COLOR_PINK, COLOR_LIGHTBROWN }; static fb_data save_buffer[ ROWS*COLS ]; struct tool_func { void (*state_func)(void); void (*preview_func)(void); }; struct incdec_ctx { int max; int step[2]; bool wrap; }; struct incdec_ctx incdec_x = { COLS, { 1, 4}, true }; struct incdec_ctx incdec_y = { ROWS, { 1, 4}, true }; /* Maximum string size allowed for the text tool */ #define MAX_TEXT 256 union buf { /* Used by fill and gradient algorithms */ struct { short x; short y; } coord[ ROWS*COLS ]; /* Used by bezier curve algorithms */ struct { short x1, y1; short x2, y2; short x3, y3; short x4, y4; short depth; } bezier[ (ROWS*COLS)/5 ]; /* We have 4.5 times more data per struct * than coord ... so we divide to take * less memory. */ /* Used to cut/copy/paste data */ fb_data clipboard[ ROWS*COLS ]; /* Used for text mode */ struct { char text[MAX_TEXT]; char font[MAX_PATH]; bool initialized; size_t cache_used; /* fonts from cache_first to cache_last are stored. */ int cache_first; int cache_last; /* save these so that cache can be re-used next time. */ int fvi; int si; } text; }; static union buf *buffer; static bool audio_buf = false; /* Current filename */ static char filename[MAX_PATH]; static bool incdec_value(int *pval, struct incdec_ctx *ctx, bool inc, bool bigstep) { bool of = true; int step = ctx->step[bigstep?1:0]; step = inc?step: -step; *pval += step; if (ctx->wrap) { if (*pval < 0) *pval += ctx->max; else if (*pval >= ctx->max) *pval -= ctx->max; else of = false; } else { if (*pval < 0) *pval = 0; else if (*pval > ctx->max) *pval = ctx->max; else of = false; } return of; } /*********************************************************************** * Offscreen buffer/Text/Fonts handling * * Parts of code taken from firmware/drivers/lcd-16bit.c ***********************************************************************/ static void buffer_mono_bitmap_part( fb_data *buf, int buf_width, int buf_height, const unsigned char *src, int src_x, int src_y, int stride, int x, int y, int width, int height ) /* this function only draws the foreground part of the bitmap */ { const unsigned char *src_end; fb_data *dst, *dst_end; unsigned fgcolor = rb->lcd_get_foreground(); /* nothing to draw? */ if( ( width <= 0 ) || ( height <= 0 ) || ( x >= buf_width ) || ( y >= buf_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 > buf_width ) width = buf_width - x; if( y + height > buf_height ) height = buf_height - y; src += stride * (src_y >> 3) + src_x; /* move starting point */ src_y &= 7; src_end = src + width; dst = buf + y*buf_width + x; do { const unsigned char *src_col = src++; unsigned data = *src_col >> src_y; fb_data *dst_col = dst++; int numbits = 8 - src_y; dst_end = dst_col + height * buf_width; do { if( data & 0x01 ) *dst_col = fgcolor; /* FIXME ? */ dst_col += buf_width; data >>= 1; if( --numbits == 0 ) { src_col += stride; data = *src_col; numbits = 8; } } while( dst_col < dst_end ); } while( src < src_end ); } /* draw alpha bitmap for anti-alias font */ #define ALPHA_COLOR_FONT_DEPTH 2 #define ALPHA_COLOR_LOOKUP_SHIFT (1 << ALPHA_COLOR_FONT_DEPTH) #define ALPHA_COLOR_LOOKUP_SIZE ((1 << ALPHA_COLOR_LOOKUP_SHIFT) - 1) #define ALPHA_COLOR_PIXEL_PER_BYTE (8 >> ALPHA_COLOR_FONT_DEPTH) #define ALPHA_COLOR_PIXEL_PER_WORD (32 >> ALPHA_COLOR_FONT_DEPTH) #ifdef CPU_ARM #define BLEND_INIT do {} while (0) #define BLEND_START(acc, color, alpha) \ asm volatile("mul %0, %1, %2" : "=&r" (acc) : "r" (color), "r" (alpha)) #define BLEND_CONT(acc, color, alpha) \ asm volatile("mla %0, %1, %2, %0" : "+&r" (acc) : "r" (color), "r" (alpha)) #define BLEND_OUT(acc) do {} while (0) #elif defined(CPU_COLDFIRE) #define ALPHA_BITMAP_READ_WORDS #define BLEND_INIT coldfire_set_macsr(EMAC_UNSIGNED) #define BLEND_START(acc, color, alpha) \ asm volatile("mac.l %0, %1, %%acc0" :: "%d" (color), "d" (alpha)) #define BLEND_CONT BLEND_START #define BLEND_OUT(acc) asm volatile("movclr.l %%acc0, %0" : "=d" (acc)) #else #define BLEND_INIT do {} while (0) #define BLEND_START(acc, color, alpha) ((acc) = (color) * (alpha)) #define BLEND_CONT(acc, color, alpha) ((acc) += (color) * (alpha)) #define BLEND_OUT(acc) do {} while (0) #endif /* Blend the given two colors */ static inline unsigned blend_two_colors(unsigned c1, unsigned c2, unsigned a) { a += a >> (ALPHA_COLOR_LOOKUP_SHIFT - 1); #if (LCD_PIXELFORMAT == RGB565SWAPPED) c1 = swap16(c1); c2 = swap16(c2); #endif unsigned c1l = (c1 | (c1 << 16)) & 0x07e0f81f; unsigned c2l = (c2 | (c2 << 16)) & 0x07e0f81f; unsigned p; BLEND_START(p, c1l, a); BLEND_CONT(p, c2l, ALPHA_COLOR_LOOKUP_SIZE + 1 - a); BLEND_OUT(p); p = (p >> ALPHA_COLOR_LOOKUP_SHIFT) & 0x07e0f81f; p |= (p >> 16); #if (LCD_PIXELFORMAT == RGB565SWAPPED) return swap16(p); #else return p; #endif } static void buffer_alpha_bitmap_part( fb_data *buf, int buf_width, int buf_height, const unsigned char *src, int src_x, int src_y, int stride, int x, int y, int width, int height ) { fb_data *dst; unsigned fg_pattern = rb->lcd_get_foreground(); /* nothing to draw? */ if ((width <= 0) || (height <= 0) || (x >= buf_width) || (y >= buf_height) || (x + width <= 0) || (y + height <= 0)) return; /* initialize blending */ BLEND_INIT; /* clipping */ if (x < 0) { width += x; src_x -= x; x = 0; } if (y < 0) { height += y; src_y -= y; y = 0; } if (x + width > buf_width) width = buf_width - x; if (y + height > buf_height) height = buf_height - y; dst = buf + y*buf_width + x; int col, row = height; unsigned data, pixels; unsigned skip_end = (stride - width); unsigned skip_start = src_y * stride + src_x; #ifdef ALPHA_BITMAP_READ_WORDS uint32_t *src_w = (uint32_t *)((uintptr_t)src & ~3); skip_start += ALPHA_COLOR_PIXEL_PER_BYTE * ((uintptr_t)src & 3); src_w += skip_start / ALPHA_COLOR_PIXEL_PER_WORD; data = letoh32(*src_w++); #else src += skip_start / ALPHA_COLOR_PIXEL_PER_BYTE; data = *src; #endif pixels = skip_start % ALPHA_COLOR_PIXEL_PER_WORD; data >>= pixels * ALPHA_COLOR_LOOKUP_SHIFT; #ifdef ALPHA_BITMAP_READ_WORDS pixels = 8 - pixels; #endif do { col = width; #ifdef ALPHA_BITMAP_READ_WORDS #define UPDATE_SRC_ALPHA do { \ if (--pixels) \ data >>= ALPHA_COLOR_LOOKUP_SHIFT; \ else \ { \ data = letoh32(*src_w++); \ pixels = ALPHA_COLOR_PIXEL_PER_WORD; \ } \ } while (0) #elif ALPHA_COLOR_PIXEL_PER_BYTE == 2 #define UPDATE_SRC_ALPHA do { \ if (pixels ^= 1) \ data >>= ALPHA_COLOR_LOOKUP_SHIFT; \ else \ data = *(++src); \ } while (0) #else #define UPDATE_SRC_ALPHA do { \ if (pixels = (++pixels % ALPHA_COLOR_PIXEL_PER_BYTE)) \ data >>= ALPHA_COLOR_LOOKUP_SHIFT; \ else \ data = *(++src); \ } while (0) #endif do { *dst=blend_two_colors(*dst, fg_pattern, data & ALPHA_COLOR_LOOKUP_SIZE ); dst++; UPDATE_SRC_ALPHA; } while (--col); #ifdef ALPHA_BITMAP_READ_WORDS if (skip_end < pixels) { pixels -= skip_end; data >>= skip_end * ALPHA_COLOR_LOOKUP_SHIFT; } else { pixels = skip_end - pixels; src_w += pixels / ALPHA_COLOR_PIXEL_PER_WORD; pixels %= ALPHA_COLOR_PIXEL_PER_WORD; data = letoh32(*src_w++); data >>= pixels * ALPHA_COLOR_LOOKUP_SHIFT; pixels = 8 - pixels; } #else if (skip_end) { pixels += skip_end; if (pixels >= ALPHA_COLOR_PIXEL_PER_BYTE) { src += pixels / ALPHA_COLOR_PIXEL_PER_BYTE; pixels %= ALPHA_COLOR_PIXEL_PER_BYTE; data = *src; data >>= pixels * ALPHA_COLOR_LOOKUP_SHIFT; } else data >>= skip_end * ALPHA_COLOR_LOOKUP_SHIFT; } #endif dst += LCD_WIDTH - width; } while (--row); } static void buffer_putsxyofs( fb_data *buf, int buf_width, int buf_height, int x, int y, int ofs, const unsigned char *str ) { unsigned short ch; unsigned short *ucs; struct font *pf = rb->font_get( FONT_UI ); if( !pf ) pf = rb->font_get( FONT_SYSFIXED ); ucs = rb->bidi_l2v( str, 1 ); while( (ch = *ucs++) != 0 && x < buf_width ) { int width; const unsigned char *bits; /* get proportional width and glyph bits */ width = rb->font_get_width( pf, ch ); if( ofs > width ) { ofs -= width; continue; } bits = rb->font_get_bits( pf, ch ); if (pf->depth) buffer_alpha_bitmap_part( buf, buf_width, buf_height, bits, ofs, 0, width, x, y, width - ofs, pf->height); else buffer_mono_bitmap_part( buf, buf_width, buf_height, bits, ofs, 0, width, x, y, width - ofs, pf->height); x += width - ofs; ofs = 0; } } /*********************************************************************** * Menu handling ***********************************************************************/ enum { /* Main menu */ MAIN_MENU_RESUME, MAIN_MENU_NEW, MAIN_MENU_LOAD, MAIN_MENU_SAVE, MAIN_MENU_SET_WIDTH, MAIN_MENU_SET_HEIGHT, MAIN_MENU_BRUSH_SIZE, MAIN_MENU_BRUSH_SPEED, MAIN_MENU_COLOR, MAIN_MENU_GRID_SIZE, MAIN_MENU_PLAYBACK_CONTROL, MAIN_MENU_EXIT, }; enum { /* Select action menu */ SELECT_MENU_CUT, SELECT_MENU_COPY, SELECT_MENU_INVERT, SELECT_MENU_HFLIP, SELECT_MENU_VFLIP, SELECT_MENU_ROTATE90, SELECT_MENU_ROTATE180, SELECT_MENU_ROTATE270, SELECT_MENU_CANCEL, }; enum { /* Text menu */ TEXT_MENU_TEXT, TEXT_MENU_FONT, TEXT_MENU_PREVIEW, TEXT_MENU_APPLY, TEXT_MENU_CANCEL, }; MENUITEM_STRINGLIST(main_menu, "RockPaint", NULL, "Resume", "New", "Load", "Save", "Set Width", "Set Height", "Brush Size", "Brush Speed", "Choose Color", "Grid Size", "Playback Control", "Exit"); MENUITEM_STRINGLIST(select_menu, "Select...", NULL, "Cut", "Copy", "Invert", "Horizontal Flip", "Vertical Flip", "Rotate 90°", "Rotate 180°", "Rotate 270°", "Cancel"); MENUITEM_STRINGLIST(text_menu, "Text", NULL, "Set Text", "Change Font", "Preview", "Apply", "Cancel"); static const int times_list[] = { 1, 2, 4, 8 }; static const int gridsize_list[] = { 0, 5, 10, 20 }; static const struct opt_items times_options[] = { { "1x", -1 }, { "2x", -1 }, { "4x", -1 }, { "8x", -1 } }; static const struct opt_items gridsize_options[] = { { "No grid", -1 }, { "5px", -1 }, { "10px", -1 }, { "20px", -1 } }; static int draw_window( int height, int width, int *top, int *left, const char *title ) { int fh; rb->lcd_getstringsize( title, NULL, &fh ); fh++; const int _top = ( LCD_HEIGHT - height ) / 2; const int _left = ( LCD_WIDTH - width ) / 2; if( top ) *top = _top; if( left ) *left = _left; rb->lcd_set_background(COLOR_BLUE); rb->lcd_set_foreground(COLOR_LIGHTGRAY); rb->lcd_fillrect( _left, _top, width, height ); rb->lcd_set_foreground(COLOR_BLUE); rb->lcd_fillrect( _left, _top, width, fh+4 ); rb->lcd_set_foreground(COLOR_WHITE); rb->lcd_putsxy( _left+2, _top+2, title ); rb->lcd_set_foreground(COLOR_BLACK); rb->lcd_drawrect( _left, _top, width, height ); return _top+fh+4; } /*********************************************************************** * File browser ***********************************************************************/ char bbuf[MAX_PATH]; /* used by file and font browsers */ char bbuf_s[MAX_PATH]; /* used by file and font browsers */ struct tree_context *tree = NULL; static bool check_extention(const char *filename, const char *ext) { const char *p = rb->strrchr( filename, '.' ); return ( p != NULL && !rb->strcasecmp( p, ext ) ); } /* only displayes directories and .bmp files */ static bool callback_show_item(char *name, int attr, struct tree_context *tc) { (void) tc; if( ( attr & ATTR_DIRECTORY ) || ( !(attr & ATTR_DIRECTORY) && check_extention( name, ".bmp" ) ) ) { return true; } return false; } static bool browse( char *dst, int dst_size, const char *start ) { struct browse_context browse; rb->browse_context_init(&browse, SHOW_ALL, BROWSE_SELECTONLY|BROWSE_NO_CONTEXT_MENU, NULL, NOICON, start, NULL); browse.callback_show_item = callback_show_item; browse.buf = dst; browse.bufsize = dst_size; rb->rockbox_browse(&browse); return (browse.flags & BROWSE_SELECTED); } /*********************************************************************** * Font browser * * FIXME: This still needs some work ... it currently only works fine * on the simulators, disk spins too much on real targets -> rendered * font buffer needed. ***********************************************************************/ /* * cache font preview handling assumes: * - fvi doesn't decrease by more than 1. * In other words, cache_first-1 must be cached before cache_first-2 is cached. * - there is enough space to store all preview currently displayed. */ static bool browse_fonts( char *dst, int dst_size ) { #define LINE_SPACE 2 #define PREVIEW_SIZE(x) ((x)->size) #define PREVIEW_NEXT(x) (struct font_preview *)((char*)(x) + PREVIEW_SIZE(x)) struct tree_context backup; struct entry *dc, *e; int dirfilter = SHOW_FONT; struct font_preview { unsigned short width; unsigned short height; size_t size; /* to avoid calculating size each time. */ fb_data preview[0]; } *font_preview = NULL; int top = 0; int fvi = 0; /* first visible item */ int lvi = 0; /* last visible item */ int si = 0; /* selected item */ int li = 0; /* last item */ int nvih = 0; /* next visible item height */ int i; bool need_redraw = true; /* Do we need to redraw ? */ bool reset_font = false; bool ret = false; int cp = 0; /* current position */ int sp = 0; /* selected position */ int fh, fw; /* font height, width */ unsigned char *cache = (unsigned char *) buffer + sizeof(buffer->text); size_t cache_size = sizeof(*buffer) - sizeof(buffer->text); size_t cache_used = 0; int cache_first = 0, cache_last = -1; char *a; rb->snprintf( bbuf_s, MAX_PATH, FONT_DIR "/%s.fnt", rb->global_settings->font_file ); tree = rb->tree_get_context(); backup = *tree; dc = rb->tree_get_entries(tree); a = backup.currdir+rb->strlen(backup.currdir)-1; if( *a != '/' ) { *++a = '/'; } rb->strcpy( a+1, dc[tree->selected_item].name ); tree->dirfilter = &dirfilter; tree->browse = NULL; rb->strcpy( bbuf, FONT_DIR "/" ); rb->set_current_file( bbuf ); if( buffer->text.initialized ) { cache_used = buffer->text.cache_used; cache_first = buffer->text.cache_first; cache_last = buffer->text.cache_last; fvi = buffer->text.fvi; si = buffer->text.si; } buffer->text.initialized = true; while( 1 ) { if( !need_redraw ) { /* we don't need to redraw ... but we need to unselect * the previously selected item */ rb->lcd_set_drawmode(DRMODE_COMPLEMENT); rb->lcd_fillrect( 10, sp, LCD_WIDTH-10, font_preview->height ); rb->lcd_set_drawmode(DRMODE_SOLID); } if( need_redraw ) { need_redraw = false; rb->lcd_set_foreground(COLOR_BLACK); rb->lcd_set_background(COLOR_LIGHTGRAY); rb->lcd_clear_display(); rb->font_getstringsize( "Fonts", NULL, &fh, FONT_UI ); rb->lcd_putsxy( 2, 2, "Fonts" ); top = fh + 4 + LINE_SPACE; font_preview = (struct font_preview *) cache; /* get first font preview to be displayed. */ for( i = cache_first; i < cache_last && i < fvi; i++ ) { font_preview = PREVIEW_NEXT(font_preview); } for( ; fvi < lvi && nvih > 0; fvi++ ) { nvih -= font_preview->height + LINE_SPACE; font_preview = PREVIEW_NEXT(font_preview); } nvih = 0; i = fvi; cp = top; while( cp <= LCD_HEIGHT+LINE_SPACE && i < tree->filesindir ) { e = &dc[i]; if( i < cache_first || i > cache_last ) { size_t siz; reset_font = true; rb->snprintf( bbuf, MAX_PATH, FONT_DIR "/%s", e->name ); rb->font_load(NULL, bbuf ); rb->font_getstringsize( e->name, &fw, &fh, FONT_UI ); if( fw > LCD_WIDTH ) fw = LCD_WIDTH; siz = (sizeof(struct font_preview) + fw*fh*FB_DATA_SZ+3) & ~3; if( i < cache_first ) { /* insert font preview to the top. */ cache_used = 0; for( ; cache_first <= cache_last; cache_first++ ) { font_preview = (struct font_preview *) (cache + cache_used); size_t size = PREVIEW_SIZE(font_preview); if( cache_used + size >= cache_size - siz ) break; cache_used += size; } cache_last = cache_first-1; cache_first = i; rb->memmove( cache+siz, cache, cache_used ); font_preview = (struct font_preview *) cache; } else /* i > cache_last */ { /* add font preview to the bottom. */ font_preview = (struct font_preview *) cache; while( cache_used >= cache_size - siz ) { cache_used -= PREVIEW_SIZE(font_preview); font_preview = PREVIEW_NEXT(font_preview); cache_first++; } cache_last = i; rb->memmove( cache, font_preview, cache_used ); font_preview = (struct font_preview *) (cache + cache_used); } cache_used += siz; /* create preview cache. */ font_preview->width = fw; font_preview->height = fh; font_preview->size = siz; /* clear with background. */ for( siz = fw*fh; siz > 0; ) { font_preview->preview[--siz] = COLOR_LIGHTGRAY; } buffer_putsxyofs( font_preview->preview, fw, fh, 0, 0, 0, e->name ); } else { fw = font_preview->width; fh = font_preview->height; } if( cp + fh >= LCD_HEIGHT ) { nvih = fh; break; } rb->lcd_bitmap( font_preview->preview, 10, cp, fw, fh ); cp += fh + LINE_SPACE; i++; font_preview = PREVIEW_NEXT(font_preview); } lvi = i-1; li = tree->filesindir-1; if( reset_font ) { rb->font_load(NULL, bbuf_s ); reset_font = false; } if( lvi-fvi+1 < tree->filesindir ) { rb->gui_scrollbar_draw( rb->screens[SCREEN_MAIN], 0, top, 9, LCD_HEIGHT-top, tree->filesindir, fvi, lvi+1, VERTICAL ); } } rb->lcd_set_drawmode(DRMODE_COMPLEMENT); sp = top; font_preview = (struct font_preview *) cache; for( i = cache_first; i < si; i++ ) { if( i >= fvi ) sp += font_preview->height + LINE_SPACE; font_preview = PREVIEW_NEXT(font_preview); } rb->lcd_fillrect( 10, sp, LCD_WIDTH-10, font_preview->height ); rb->lcd_set_drawmode(DRMODE_SOLID); rb->lcd_update(); switch( rb->button_get(true) ) { case ROCKPAINT_UP: case ROCKPAINT_UP|BUTTON_REPEAT: if( si > 0 ) { si--; if( si < fvi ) { fvi = si; nvih = 0; need_redraw = true; } } break; case ROCKPAINT_DOWN: case ROCKPAINT_DOWN|BUTTON_REPEAT: if( si < li ) { si++; if( si > lvi ) { need_redraw = true; } } break; case ROCKPAINT_RIGHT: case ROCKPAINT_DRAW: ret = true; rb->snprintf( dst, dst_size, FONT_DIR "/%s", dc[si].name ); /* fall through */ case ROCKPAINT_LEFT: case ROCKPAINT_QUIT: buffer->text.cache_used = cache_used; buffer->text.cache_first = cache_first; buffer->text.cache_last = cache_last; buffer->text.fvi = fvi; buffer->text.si = si; *tree = backup; rb->set_current_file( backup.currdir ); return ret; } } #undef LINE_SPACE #undef PREVIEW_SIZE #undef PREVIEW_NEXT } /*********************************************************************** * HSVRGB Color chooser ***********************************************************************/ static unsigned int color_chooser( unsigned int color ) { int red = RGB_UNPACK_RED( color ); int green = RGB_UNPACK_GREEN( color ); int blue = RGB_UNPACK_BLUE( color ); int hue, saturation, value; int r, g, b; /* temp variables */ int i, top, left; int button; int *pval; static struct incdec_ctx ctxs[] = { { 3600, { 10, 100}, true }, /* hue */ { 0xff, { 1, 8}, false }, /* the others */ }; enum BaseColor { Hue = 0, Saturation = 1, Value = 2, Red = 3, Green = 4, Blue = 5 }; enum BaseColor current = Red; bool has_changed; restore_screen(); rgb2hsv( red, green, blue, &hue, &saturation, &value ); while( 1 ) { has_changed = false; color = LCD_RGBPACK( red, green, blue ); #define HEIGHT ( 100 ) #define WIDTH ( 150 ) top = draw_window( HEIGHT, WIDTH, NULL, &left, "Color chooser" ); top -= 15; for( i=0; i<100; i++ ) { hsv2rgb( i*36, saturation, value, &r, &g, &b ); rb->lcd_set_foreground( LCD_RGBPACK( r, g, b ) ); rb->lcd_vline( left+15+i, top+20, top+27 ); hsv2rgb( hue, i*255/100, value, &r, &g, &b ); rb->lcd_set_foreground( LCD_RGBPACK( r, g, b ) ); rb->lcd_vline( left+15+i, top+30, top+37 ); hsv2rgb( hue, saturation, i*255/100, &r, &g, &b ); rb->lcd_set_foreground( LCD_RGBPACK( r, g, b ) ); rb->lcd_vline( left+15+i, top+40, top+47 ); rb->lcd_set_foreground( LCD_RGBPACK( i*255/100, green, blue ) ); rb->lcd_vline( left+15+i, top+50, top+57 ); rb->lcd_set_foreground( LCD_RGBPACK( red, i*255/100, blue ) ); rb->lcd_vline( left+15+i, top+60, top+67 ); rb->lcd_set_foreground( LCD_RGBPACK( red, green, i*255/100 ) ); rb->lcd_vline( left+15+i, top+70, top+77 ); } rb->lcd_set_foreground(COLOR_BLACK); #define POSITION( a, i ) \ rb->lcd_drawpixel( left+14+i, top + 19 + a ); \ rb->lcd_drawpixel( left+16+i, top + 19 + a ); \ rb->lcd_drawpixel( left+14+i, top + 28 + a ); \ rb->lcd_drawpixel( left+16+i, top + 28 + a ); POSITION( 0, hue/36 ); POSITION( 10, saturation*99/255 ); POSITION( 20, value*99/255 ); POSITION( 30, red*99/255 ); POSITION( 40, green*99/255 ); POSITION( 50, blue*99/255 ); #undef POSITION rb->lcd_set_background(COLOR_LIGHTGRAY); rb->lcd_setfont( FONT_SYSFIXED ); rb->lcd_putsxyf( left + 117, top + 20, "%d", hue/10 ); rb->lcd_putsxyf( left + 117, top + 30, "%d.%d", saturation/255, ((saturation*100)/255)%100 ); rb->lcd_putsxyf( left + 117, top + 40, "%d.%d", value/255, ((value*100)/255)%100 ); rb->lcd_putsxyf( left + 117, top + 50, "%d", red ); rb->lcd_putsxyf( left + 117, top + 60, "%d", green ); rb->lcd_putsxyf( left + 117, top + 70, "%d", blue ); rb->lcd_setfont( FONT_UI ); #define CURSOR( l ) \ rb->lcd_bitmap_transparent_part( rockpaint_hsvrgb, 1, 1, 16, left+l+1, top+20, 6, 58 ); \ rb->lcd_bitmap_transparent_part( rockpaint_hsvrgb, 8, 10*current, 16, left+l, top+19+10*current, 8, 10 ); CURSOR( 5 ); #undef CURSOR rb->lcd_set_foreground( color ); rb->lcd_fillrect( left+15, top+85, 100, 8 ); rb->lcd_update(); switch( button = rb->button_get(true) ) { case ROCKPAINT_UP: current = ( current + 5 )%6; break; case ROCKPAINT_DOWN: current = ( current + 1 )%6; break; case ROCKPAINT_LEFT: case ROCKPAINT_LEFT|BUTTON_REPEAT: case ROCKPAINT_RIGHT: case ROCKPAINT_RIGHT|BUTTON_REPEAT: has_changed = true; switch( current ) { case Hue: pval = &hue; break; case Saturation: pval = &saturation; break; case Value: pval = &value; break; case Red: pval = &red; break; case Green: pval = &green; break; case Blue: pval = &blue; break; default: pval = NULL; break; } if (pval) { incdec_value(pval, &ctxs[(current != Hue? 1: 0)], (button&ROCKPAINT_RIGHT), (button&BUTTON_REPEAT)); } break; case ROCKPAINT_DRAW: return color; } if( has_changed ) { switch( current ) { case Hue: case Saturation: case Value: hsv2rgb( hue, saturation, value, &red, &green, &blue ); break; case Red: case Green: case Blue: rgb2hsv( red, green, blue, &hue, &saturation, &value ); break; } } #undef HEIGHT #undef WIDTH } } /*********************************************************************** * Misc routines ***********************************************************************/ static void init_buffer(void) { int i; fb_data color = rp_colors[ bgdrawcolor ]; for( i = 0; i < ROWS*COLS; i++ ) { save_buffer[i] = color; } } static void draw_pixel(int x,int y) { if( !preview ) { if( x < 0 || x >= COLS || y < 0 || y >= ROWS ) return; if( isbg ) { save_buffer[ x+y*COLS ] = rp_colors[bgdrawcolor]; } else { save_buffer[ x+y*COLS ] = rp_colors[drawcolor]; } } rb->lcd_drawpixel(x,y); } static void color_picker( int x, int y ) { if( preview ) { rb->lcd_set_foreground( save_buffer[ x+y*COLS ] ); #define PSIZE 12 rb->lcd_set_drawmode(DRMODE_COMPLEMENT); if( x >= COLS - PSIZE ) x -= PSIZE + 2; if( y >= ROWS - PSIZE ) y -= PSIZE + 2; rb->lcd_drawrect( x + 2, y + 2, PSIZE - 2, PSIZE - 2 ); rb->lcd_set_drawmode(DRMODE_SOLID); rb->lcd_fillrect( x + 3, y + 3, PSIZE - 4, PSIZE - 4 ); #undef PSIZE rb->lcd_set_foreground( rp_colors[ drawcolor ] ); } else { rp_colors[ drawcolor ] = save_buffer[ x+y*COLS ]; } } static void draw_select_rectangle( int x1, int y1, int x2, int y2 ) /* This is a preview mode only function */ { int i,a; if( x1 > x2 ) { i = x1; x1 = x2; x2 = i; } if( y1 > y2 ) { i = y1; y1 = y2; y2 = i; } rb->lcd_set_drawmode(DRMODE_COMPLEMENT); i = 0; for( a = x1; a < x2; a++, i++ ) if( i%2 ) rb->lcd_drawpixel( a, y1 ); for( a = y1; a < y2; a++, i++ ) if( i%2 ) rb->lcd_drawpixel( x2, a ); if( y2 != y1 ) for( a = x2; a > x1; a--, i++ ) if( i%2 ) rb->lcd_drawpixel( a, y2 ); if( x2 != x1 ) for( a = y2; a > y1; a--, i++ ) if( i%2 ) rb->lcd_drawpixel( x1, a ); rb->lcd_set_drawmode(DRMODE_SOLID); } static void copy_to_clipboard( void ) { /* This needs to be optimised ... but i'm lazy ATM */ rb->memcpy( buffer->clipboard, save_buffer, COLS*ROWS*sizeof( fb_data ) ); } /* no preview mode handling atm ... do we need it ? (one if) */ static void draw_invert( int x1, int y1, int x2, int y2 ) { int i; if( x1 > x2 ) { i = x1; x1 = x2; x2 = i; } if( y1 > y2 ) { i = y1; y1 = y2; y2 = i; } rb->lcd_set_drawmode(DRMODE_COMPLEMENT); rb->lcd_fillrect( x1, y1, x2-x1+1, y2-y1+1 ); rb->lcd_set_drawmode(DRMODE_SOLID); for( ; y1<=y2; y1++ ) { for( i = x1; i<=x2; i++ ) { save_buffer[ y1*COLS + i ] = ~save_buffer[ y1*COLS + i ]; } } /*if( update )*/ rb->lcd_update(); } static void draw_hflip( int x1, int y1, int x2, int y2 ) { int i; if( x1 > x2 ) { i = x1; x1 = x2; x2 = i; } if( y1 > y2 ) { i = y1; y1 = y2; y2 = i; } copy_to_clipboard(); for( i = 0; i <= y2 - y1; i++ ) { rb->memcpy( save_buffer+(y1+i)*COLS+x1, buffer->clipboard+(y2-i)*COLS+x1, (x2-x1+1)*sizeof( fb_data ) ); } restore_screen(); rb->lcd_update(); } static void draw_vflip( int x1, int y1, int x2, int y2 ) { int i; if( x1 > x2 ) { i = x1; x1 = x2; x2 = i; } if( y1 > y2 ) { i = y1; y1 = y2; y2 = i; } copy_to_clipboard(); for( ; y1 <= y2; y1++ ) { for( i = 0; i <= x2 - x1; i++ ) { save_buffer[y1*COLS+x1+i] = buffer->clipboard[y1*COLS+x2-i]; } } restore_screen(); rb->lcd_update(); } /* direction: -1 = left, 1 = right */ static void draw_rot_90_deg( int x1, int y1, int x2, int y2, int direction ) { int i, j; if( x1 > x2 ) { i = x1; x1 = x2; x2 = i; } if( y1 > y2 ) { i = y1; y1 = y2; y2 = i; } copy_to_clipboard(); fb_data color = rp_colors[ bgdrawcolor ]; const int width = x2 - x1, height = y2 - y1; const int sub_half = width/2-height/2, add_half = (width+height)/2; if( width > height ) { for( i = 0; i <= height; i++ ) { for( j = 0; j < sub_half; j++ ) save_buffer[(y1+i)*COLS+x1+j] = color; for( j = add_half+1; j <= width; j++ ) save_buffer[(y1+i)*COLS+x1+j] = color; } } else if( width < height ) { for( j = 0; j <= width; j++ ) { for( i = 0; i < -sub_half; i++ ) save_buffer[(y1+i)*COLS+x1+j] = color; for( i = add_half+1; i <= height; i++ ) save_buffer[(y1+i)*COLS+x1+j] = color; } } int x3 = x1 + sub_half, y3 = y1 - sub_half; int is = x3<0?-x3:0, ie = COLS-x3-1, js = y3<0?-y3:0, je = ROWS-y3-1; if( ie > height ) ie = height; if( je > width ) je = width; for( i = is; i <= ie; i++ ) { for( j = js; j <= je; j++ ) { int x, y; if(direction > 0) { x = x1+j; y = y1+height-i; } else { x = x1+width-j; y = y1+i; } save_buffer[(y3+j)*COLS+x3+i] = buffer->clipboard[y*COLS+x]; } } restore_screen(); rb->lcd_update(); } static void draw_paste_rectangle( int src_x1, int src_y1, int src_x2, int src_y2, int x1, int y1, int cut ) { int i, width, height; if( cut ) { i = drawcolor; drawcolor = bgdrawcolor; draw_rect_full( src_x1, src_y1, src_x2, src_y2 ); drawcolor = i; } if( src_x1 > src_x2 ) { i = src_x1; src_x1 = src_x2; src_x2 = i; } if( src_y1 > src_y2 ) { i = src_y1; src_y1 = src_y2; src_y2 = i; } width = src_x2 - src_x1 + 1; height = src_y2 - src_y1 + 1; /* clipping */ if( x1 + width > COLS ) width = COLS - x1; if( y1 + height > ROWS ) height = ROWS - y1; rb->lcd_bitmap_part( buffer->clipboard, src_x1, src_y1, COLS, x1, y1, width, height ); if( !preview ) { for( i = 0; i < height; i++ ) { rb->memcpy( save_buffer+(y1+i)*COLS+x1, buffer->clipboard+(src_y1+i)*COLS+src_x1, width*sizeof( fb_data ) ); } } } static void show_grid( bool update ) { int i; if( gridsize > 0 ) { rb->lcd_set_drawmode(DRMODE_COMPLEMENT); for( i = gridsize; i < img_width; i+= gridsize ) { rb->lcd_vline( i, 0, img_height-1 ); } for( i = gridsize; i < img_height; i+= gridsize ) { rb->lcd_hline( 0, img_width-1, i ); } rb->lcd_set_drawmode(DRMODE_SOLID); if( update ) rb->lcd_update(); } } static void draw_text( int x, int y ) { int selected = 0; buffer->text.text[0] = '\0'; buffer->text.font[0] = '\0'; while( 1 ) { switch( rb->do_menu( &text_menu, &selected, NULL, NULL ) ) { case TEXT_MENU_TEXT: rb->lcd_set_foreground(COLOR_BLACK); rb->kbd_input( buffer->text.text, MAX_TEXT ); break; case TEXT_MENU_FONT: if( browse_fonts( buffer->text.font, MAX_PATH ) ) { rb->font_load(NULL, buffer->text.font ); } break; case TEXT_MENU_PREVIEW: rb->lcd_set_foreground( rp_colors[ drawcolor ] ); while( 1 ) { int button; restore_screen(); rb->lcd_putsxy( x, y, buffer->text.text ); rb->lcd_update(); switch( button = rb->button_get( true ) ) { case ROCKPAINT_LEFT: case ROCKPAINT_LEFT | BUTTON_REPEAT: case ROCKPAINT_RIGHT: case ROCKPAINT_RIGHT | BUTTON_REPEAT: incdec_value(&x, &incdec_x, (button&ROCKPAINT_RIGHT), (button&BUTTON_REPEAT)); break; case ROCKPAINT_UP: case ROCKPAINT_UP | BUTTON_REPEAT: case ROCKPAINT_DOWN: case ROCKPAINT_DOWN | BUTTON_REPEAT: incdec_value(&y, &incdec_y, (button&ROCKPAINT_DOWN), (button&BUTTON_REPEAT)); break; case ROCKPAINT_DRAW: break; default: if(rb->default_event_handler(button) == SYS_USB_CONNECTED) button = ROCKPAINT_DRAW; break; } if( button == ROCKPAINT_DRAW ) break; } break; case TEXT_MENU_APPLY: rb->lcd_set_foreground( rp_colors[ drawcolor ] ); buffer_putsxyofs( save_buffer, COLS, ROWS, x, y, 0, buffer->text.text ); case TEXT_MENU_CANCEL: default: restore_screen(); if( buffer->text.font[0] ) { rb->snprintf( buffer->text.font, MAX_PATH, FONT_DIR "/%s.fnt", rb->global_settings->font_file ); rb->font_load(NULL, buffer->text.font ); } return; } } } static void draw_brush( int x, int y ) { int i,j; for( i=-bsize/2+(bsize+1)%2; i<=bsize/2; i++ ) { for( j=-bsize/2+(bsize+1)%2; j<=bsize/2; j++ ) { draw_pixel( x+i, y+j ); } } } /* This is an implementation of Bresenham's line algorithm. * See http://en.wikipedia.org/wiki/Bresenham%27s_line_algorithm. */ static void draw_line( int x1, int y1, int x2, int y2 ) { int x = x1; int y = y1; int deltax = x2 - x1; int deltay = y2 - y1; int i; int xerr = abs(deltax); int yerr = abs(deltay); int xstep = deltax > 0 ? 1 : -1; int ystep = deltay > 0 ? 1 : -1; int err; if (yerr > xerr) { /* more vertical */ err = yerr; xerr <<= 1; yerr <<= 1; /* to leave off the last pixel of the line, leave off the "+ 1" */ for (i = err + 1; i; --i) { draw_pixel(x, y); y += ystep; err -= xerr; if (err < 0) { x += xstep; err += yerr; } } } else { /* more horizontal */ err = xerr; xerr <<= 1; yerr <<= 1; for (i = err + 1; i; --i) { draw_pixel(x, y); x += xstep; err -= yerr; if (err < 0) { y += ystep; err += xerr; } } } } static void draw_curve( int x1, int y1, int x2, int y2, int xa, int ya, int xb, int yb ) { int i = 0; short xl1, yl1; short xl2, yl2; short xl3, yl3; short xl4, yl4; short xr1, yr1; short xr2, yr2; short xr3, yr3; short xr4, yr4; short depth; short xh, yh; if( x1 == x2 && y1 == y2 ) { draw_pixel( x1, y1 ); return; } // if( preview ) { rb->lcd_set_drawmode(DRMODE_COMPLEMENT); if( xa == -1 || ya == -1 ) { rb->lcd_drawline( x1, y1, xb, yb ); rb->lcd_drawline( x2, y2, xb, yb ); } else { rb->lcd_drawline( x1, y1, xa, ya ); rb->lcd_drawline( x2, y2, xb, yb ); } rb->lcd_set_drawmode(DRMODE_SOLID); } if( xa == -1 || ya == -1 ) /* We only have 3 of the points * This will currently only be used in preview mode */ { #define PUSH( a1, b1, a2, b2, a3, b3, d ) \ buffer->bezier[i].x1 = a1; \ buffer->bezier[i].y1 = b1; \ buffer->bezier[i].x2 = a2; \ buffer->bezier[i].y2 = b2; \ buffer->bezier[i].x3 = a3; \ buffer->bezier[i].y3 = b3; \ buffer->bezier[i].depth = d; \ i++; #define POP( a1, b1, a2, b2, a3, b3, d ) \ i--; \ a1 = buffer->bezier[i].x1; \ b1 = buffer->bezier[i].y1; \ a2 = buffer->bezier[i].x2; \ b2 = buffer->bezier[i].y2; \ a3 = buffer->bezier[i].x3; \ b3 = buffer->bezier[i].y3; \ d = buffer->bezier[i].depth; PUSH( x1<<4, y1<<4, xb<<4, yb<<4, x2<<4, y2<<4, 0 ); while( i ) { /* de Casteljau's algorithm (see wikipedia) */ POP( xl1, yl1, xb, yb, xr3, yr3, depth ); if( depth < 10 ) /* check that the stack's 'i' doesn't overflow */ { xl2 = ( xl1 + xb )>>1; yl2 = ( yl1 + yb )>>1; xr2 = ( xb + xr3 )>>1; yr2 = ( yb + yr3 )>>1; xr1 = ( xl2 + xr2 )>>1; yr1 = ( yl2 + yr2 )>>1; xl3 = xr1; yl3 = yr1; PUSH( xl1, yl1, xl2, yl2, xl3, yl3, depth+1 ); PUSH( xr1, yr1, xr2, yr2, xr3, yr3, depth+1 ); } else { draw_line( ((xl1>>3)+1)>>1, ((yl1>>3)+1)>>1, ((xr3>>3)+1)>>1, ((yr3>>3)+1)>>1 ); } } #undef PUSH #undef POP } else /* We have the 4 points */ { #define PUSH( a1, b1, a2, b2, a3, b3, a4, b4, d ) \ buffer->bezier[i].x1 = a1; \ buffer->bezier[i].y1 = b1; \ buffer->bezier[i].x2 = a2; \ buffer->bezier[i].y2 = b2; \ buffer->bezier[i].x3 = a3; \ buffer->bezier[i].y3 = b3; \ buffer->bezier[i].x4 = a4; \ buffer->bezier[i].y4 = b4; \ buffer->bezier[i].depth = d; \ i++; #define POP( a1, b1, a2, b2, a3, b3, a4, b4, d ) \ i--; \ a1 = buffer->bezier[i].x1; \ b1 = buffer->bezier[i].y1; \ a2 = buffer->bezier[i].x2; \ b2 = buffer->bezier[i].y2; \ a3 = buffer->bezier[i].x3; \ b3 = buffer->bezier[i].y3; \ a4 = buffer->bezier[i].x4; \ b4 = buffer->bezier[i].y4; \ d = buffer->bezier[i].depth; PUSH( x1<<4, y1<<4, xa<<4, ya<<4, xb<<4, yb<<4, x2<<4, y2<<4, 0 ); while( i ) { /* de Casteljau's algorithm (see wikipedia) */ POP( xl1, yl1, xa, ya, xb, yb, xr4, yr4, depth ); if( depth < 10 ) /* check that the stack's 'i' doesn't overflow */ { xl2 = ( xl1 + xa )>>1; yl2 = ( yl1 + ya )>>1; xh = ( xa + xb )>>1; yh = ( ya + yb )>>1; xr3 = ( xb + xr4 )>>1; yr3 = ( yb + yr4 )>>1; xl3 = ( xl2 + xh )>>1; yl3 = ( yl2 + yh )>>1; xr2 = ( xr3 + xh )>>1; yr2 = ( yr3 + yh )>>1; xl4 = ( xl3 + xr2 )>>1; yl4 = ( yl3 + yr2 )>>1; xr1 = xl4; yr1 = yl4; PUSH( xl1, yl1, xl2, yl2, xl3, yl3, xl4, yl4, depth+1 ); PUSH( xr1, yr1, xr2, yr2, xr3, yr3, xr4, yr4, depth+1 ); } else { draw_line( ((xl1>>3)+1)>>1, ((yl1>>3)+1)>>1, ((xr4>>3)+1)>>1, ((yr4>>3)+1)>>1 ); } } #undef PUSH #undef POP } } static void draw_rect( int x1, int y1, int x2, int y2 ) { draw_line( x1, y1, x1, y2 ); draw_line( x1, y1, x2, y1 ); draw_line( x1, y2, x2, y2 ); draw_line( x2, y1, x2, y2 ); } static void togglebg( void ) { if( isbg ) { rb->lcd_set_foreground( rp_colors[ drawcolor ] ); } else { rb->lcd_set_foreground( rp_colors[ bgdrawcolor ] ); } isbg = !isbg; } static void draw_rect_full( int x1, int y1, int x2, int y2 ) { /* GRUIK */ int x; togglebg(); if( x1 > x2 ) { x = x1; x1 = x2; x2 = x; } x = x1; do { draw_line( x, y1, x, y2 ); } while( ++x <= x2 ); togglebg(); draw_rect( x1, y1, x2, y2 ); } static void draw_oval( int x1, int y1, int x2, int y2, bool full ) { /* TODO: simplify :) */ int cx = (x1+x2)>>1; int cy = (y1+y2)>>1; int rx = (x1-x2)>>1; int ry = (y1-y2)>>1; if( rx < 0 ) rx *= -1; if( ry < 0 ) ry *= -1; if( rx == 0 || ry == 0 ) { draw_line( x1, y1, x2, y2 ); return; } int x,y; int dst, old_dst; for( x = 0; x < rx; x++ ) { y = 0; dst = -0xfff; do { old_dst = dst; dst = ry * ry * x * x + rx * rx * y * y - rx * rx * ry * ry; y++; } while( dst < 0 ); if( -old_dst < dst ) y--; if( full ) { draw_line( cx+x, cy, cx+x, cy+y ); draw_line( cx+x, cy, cx+x, cy-y ); draw_line( cx-x, cy, cx-x, cy+y ); draw_line( cx-x, cy, cx-x, cy-y ); } else { draw_pixel( cx+x, cy+y ); draw_pixel( cx+x, cy-y ); draw_pixel( cx-x, cy+y ); draw_pixel( cx-x, cy-y ); } } for( y = 0; y < ry; y++ ) { x = 0; dst = -0xfff; do { old_dst = dst; dst = ry * ry * x * x + rx * rx * y * y - rx * rx * ry * ry; x++; } while( dst < 0 ); if( -old_dst < dst ) x--; if( full ) { draw_line( cx+x, cy, cx+x, cy+y ); draw_line( cx+x, cy, cx+x, cy-y ); draw_line( cx-x, cy, cx-x, cy+y ); draw_line( cx-x, cy, cx-x, cy-y ); } else { draw_pixel( cx+x, cy+y ); draw_pixel( cx+x, cy-y ); draw_pixel( cx-x, cy+y ); draw_pixel( cx-x, cy-y ); } } } static void draw_oval_empty( int x1, int y1, int x2, int y2 ) { draw_oval( x1, y1, x2, y2, false ); } static void draw_oval_full( int x1, int y1, int x2, int y2 ) { togglebg(); draw_oval( x1, y1, x2, y2, true ); togglebg(); draw_oval( x1, y1, x2, y2, false ); } static void draw_fill( int x0, int y0 ) { #define PUSH( a, b ) \ draw_pixel( (int)a, (int)b ); \ buffer->coord[i].x = a; \ buffer->coord[i].y = b; \ i++; #define POP( a, b ) \ i--; \ a = buffer->coord[i].x; \ b = buffer->coord[i].y; unsigned int i=0; short x = x0; short y = y0; unsigned int prev_color = save_buffer[ x0+y0*COLS ]; if( preview ) return; if( prev_color == rp_colors[ drawcolor ] ) return; PUSH( x, y ); while( i != 0 ) { POP( x, y ); if( x > 0 && save_buffer[x-1+y*COLS] == prev_color ) { PUSH( x-1, y ); } if( x < COLS-1 && save_buffer[x+1+y*COLS] == prev_color ) { PUSH( x+1, y ); } if( y > 0 && save_buffer[x+(y-1)*COLS] == prev_color ) { PUSH( x, y-1 ); } if( y < ROWS - 1 && save_buffer[x+(y+1)*COLS] == prev_color ) { PUSH( x, y+1 ); } } #undef PUSH #undef POP } /* For preview purposes only */ /* use same algorithm as draw_line() to draw line. */ static void line_gradient( int x1, int y1, int x2, int y2 ) { int h1, s1, v1, h2, s2, v2, r, g, b; int xerr = x2 - x1, yerr = y2 - y1, xstep, ystep; int i, delta, err; fb_data color1, color2; if( xerr == 0 && yerr == 0 ) { draw_pixel( x1, y1 ); return; } xstep = xerr > 0 ? 1 : -1; ystep = yerr > 0 ? 1 : -1; xerr = abs(xerr) << 1; yerr = abs(yerr) << 1; color1 = rp_colors[ bgdrawcolor ]; color2 = rp_colors[ drawcolor ]; r = RGB_UNPACK_RED( color1 ); g = RGB_UNPACK_GREEN( color1 ); b = RGB_UNPACK_BLUE( color1 ); rgb2hsv( r, g, b, &h1, &s1, &v1 ); r = RGB_UNPACK_RED( color2 ); g = RGB_UNPACK_GREEN( color2 ); b = RGB_UNPACK_BLUE( color2 ); rgb2hsv( r, g, b, &h2, &s2, &v2 ); if( xerr > yerr ) { err = xerr>>1; delta = err+1; /* to leave off the last pixel of the line, leave off the "+ 1" */ for (i = delta; i; --i) { hsv2rgb( h2+((h1-h2)*i)/delta, s2+((s1-s2)*i)/delta, v2+((v1-v2)*i)/delta, &r, &g, &b ); rp_colors[ drawcolor ] = LCD_RGBPACK( r, g, b ); rb->lcd_set_foreground( rp_colors[ drawcolor ] ); draw_pixel(x1, y1); x1 += xstep; err -= yerr; if (err < 0) { y1 += ystep; err += xerr; } } } else /* yerr >= xerr */ { err = yerr>>1; delta = err+1; for (i = delta; i; --i) { hsv2rgb( h2+((h1-h2)*i)/delta, s2+((s1-s2)*i)/delta, v2+((v1-v2)*i)/delta, &r, &g, &b ); rp_colors[ drawcolor ] = LCD_RGBPACK( r, g, b ); rb->lcd_set_foreground( rp_colors[ drawcolor ] ); draw_pixel(x1, y1); y1 += ystep; err -= xerr; if (err < 0) { x1 += xstep; err += yerr; } } } rp_colors[ drawcolor ] = color2; } /* macros used by linear_gradient() and radial_gradient(). */ #define PUSH( _x, _y ) \ save_buffer[(_x)+(_y)*COLS] = mark_color; \ buffer->coord[i].x = (short)(_x); \ buffer->coord[i].y = (short)(_y); \ i++; #define POP( _x, _y ) \ i--; \ _x = (int)buffer->coord[i].x; \ _y = (int)buffer->coord[i].y; #define PUSH2( _x, _y ) \ j--; \ buffer->coord[j].x = (short)(_x); \ buffer->coord[j].y = (short)(_y); #define POP2( _x, _y ) \ _x = (int)buffer->coord[j].x; \ _y = (int)buffer->coord[j].y; \ j++; static void linear_gradient( int x1, int y1, int x2, int y2 ) { int r1 = RGB_UNPACK_RED( rp_colors[ bgdrawcolor ] ); int g1 = RGB_UNPACK_GREEN( rp_colors[ bgdrawcolor ] ); int b1 = RGB_UNPACK_BLUE( rp_colors[ bgdrawcolor ] ); int r2 = RGB_UNPACK_RED( rp_colors[ drawcolor ] ); int g2 = RGB_UNPACK_GREEN( rp_colors[ drawcolor ] ); int b2 = RGB_UNPACK_BLUE( rp_colors[ drawcolor ] ); fb_data color = rp_colors[ drawcolor ]; int h1, s1, v1, h2, s2, v2, r, g, b; /* radius^2 */ int radius2 = ( x1 - x2 ) * ( x1 - x2 ) + ( y1 - y2 ) * ( y1 - y2 ); int dist2, i=0, j=COLS*ROWS; /* We only propagate the gradient to neighboring pixels with the same * color as ( x1, y1 ) */ fb_data prev_color = save_buffer[ x1+y1*COLS ]; /* to mark pixel that the pixel is already in LIFO. */ fb_data mark_color = ~prev_color; int x = x1; int y = y1; if( radius2 == 0 ) return; if( preview ) { line_gradient( x1, y1, x2, y2 ); return; } if( rp_colors[ drawcolor ] == rp_colors[ bgdrawcolor ] ) { draw_fill( x1, y1 ); return; } rgb2hsv( r1, g1, b1, &h1, &s1, &v1 ); rgb2hsv( r2, g2, b2, &h2, &s2, &v2 ); PUSH( x, y ); while( i > 0 ) { POP( x, y ); dist2 = ( x2 - x1 ) * ( x - x1 ) + ( y2 - y1 ) * ( y - y1 ); if( dist2 <= 0 ) { rp_colors[ drawcolor ] = rp_colors[ bgdrawcolor ]; } else if( dist2 < radius2 ) { hsv2rgb( h1+((h2-h1)*dist2)/radius2, s1+((s2-s1)*dist2)/radius2, v1+((v2-v1)*dist2)/radius2, &r, &g, &b ); rp_colors[ drawcolor ] = LCD_RGBPACK( r, g, b ); } else { rp_colors[ drawcolor ] = color; } if( rp_colors[ drawcolor ] == prev_color ) { /* "mark" that pixel was checked. correct color later. */ PUSH2( x, y ); rp_colors[ drawcolor ] = mark_color; } rb->lcd_set_foreground( rp_colors[ drawcolor ] ); draw_pixel( x, y ); if( x > 0 && save_buffer[x-1+y*COLS] == prev_color ) { PUSH( x-1, y ); } if( x < COLS-1 && save_buffer[x+1+y*COLS] == prev_color ) { PUSH( x+1, y ); } if( y > 0 && save_buffer[x+(y-1)*COLS] == prev_color ) { PUSH( x, y-1 ); } if( y < ROWS - 1 && save_buffer[x+(y+1)*COLS] == prev_color ) { PUSH( x, y+1 ); } } while (j < COLS*ROWS) { /* correct color. */ POP2( x, y ); rp_colors[ drawcolor ] = prev_color; rb->lcd_set_foreground( rp_colors[ drawcolor ] ); draw_pixel( x, y ); } rp_colors[ drawcolor ] = color; } static void radial_gradient( int x1, int y1, int x2, int y2 ) { int r1 = RGB_UNPACK_RED( rp_colors[ bgdrawcolor ] ); int g1 = RGB_UNPACK_GREEN( rp_colors[ bgdrawcolor ] ); int b1 = RGB_UNPACK_BLUE( rp_colors[ bgdrawcolor ] ); int r2 = RGB_UNPACK_RED( rp_colors[ drawcolor ] ); int g2 = RGB_UNPACK_GREEN( rp_colors[ drawcolor ] ); int b2 = RGB_UNPACK_BLUE( rp_colors[ drawcolor ] ); fb_data color = rp_colors[ drawcolor ]; int h1, s1, v1, h2, s2, v2, r, g, b; /* radius^2 */ int radius2 = ( x1 - x2 ) * ( x1 - x2 ) + ( y1 - y2 ) * ( y1 - y2 ); int dist2, i=0, j=COLS*ROWS; /* We only propagate the gradient to neighboring pixels with the same * color as ( x1, y1 ) */ fb_data prev_color = save_buffer[ x1+y1*COLS ]; /* to mark pixel that the pixel is already in LIFO. */ fb_data mark_color = ~prev_color; int x = x1; int y = y1; if( radius2 == 0 ) return; if( preview ) { line_gradient( x1, y1, x2, y2 ); return; } if( rp_colors[ drawcolor ] == rp_colors[ bgdrawcolor ] ) { draw_fill( x1, y1 ); return; } rgb2hsv( r1, g1, b1, &h1, &s1, &v1 ); rgb2hsv( r2, g2, b2, &h2, &s2, &v2 ); PUSH( x, y ); while( i > 0 ) { POP( x, y ); dist2 = ( x - x1 ) * ( x - x1 ) + ( y - y1 ) * ( y - y1 ); if( dist2 < radius2 ) { hsv2rgb( h1+((h2-h1)*dist2)/radius2, s1+((s2-s1)*dist2)/radius2, v1+((v2-v1)*dist2)/radius2, &r, &g, &b ); rp_colors[ drawcolor ] = LCD_RGBPACK( r, g, b ); } else { rp_colors[ drawcolor ] = color; } if( rp_colors[ drawcolor ] == prev_color ) { /* "mark" that pixel was checked. correct color later. */ PUSH2( x, y ); rp_colors[ drawcolor ] = mark_color; } rb->lcd_set_foreground( rp_colors[ drawcolor ] ); draw_pixel( x, y ); if( x > 0 && save_buffer[x-1+y*COLS] == prev_color ) { PUSH( x-1, y ); } if( x < COLS-1 && save_buffer[x+1+y*COLS] == prev_color ) { PUSH( x+1, y ); } if( y > 0 && save_buffer[x+(y-1)*COLS] == prev_color ) { PUSH( x, y-1 ); } if( y < ROWS - 1 && save_buffer[x+(y+1)*COLS] == prev_color ) { PUSH( x, y+1 ); } } while (j < COLS*ROWS) { /* correct color. */ POP2( x, y ); rp_colors[ drawcolor ] = prev_color; rb->lcd_set_foreground( rp_colors[ drawcolor ] ); draw_pixel( x, y ); } rp_colors[ drawcolor ] = color; } #undef PUSH #undef POP #undef PUSH2 #undef POP2 static void draw_toolbars(bool update) { int i; #define TOP (LCD_HEIGHT-TB_HEIGHT) rb->lcd_set_background( COLOR_LIGHTGRAY ); rb->lcd_set_foreground( COLOR_LIGHTGRAY ); rb->lcd_fillrect( 0, TOP, LCD_WIDTH, TB_HEIGHT ); rb->lcd_set_foreground( COLOR_BLACK ); rb->lcd_drawrect( 0, TOP, LCD_WIDTH, TB_HEIGHT ); rb->lcd_set_foreground( rp_colors[ bgdrawcolor ] ); rb->lcd_fillrect( TB_SC_BG_LEFT, TOP+TB_SC_BG_TOP, TB_SC_SIZE, TB_SC_SIZE ); rb->lcd_set_foreground(ROCKPAINT_PALETTE); rb->lcd_drawrect( TB_SC_BG_LEFT, TOP+TB_SC_BG_TOP, TB_SC_SIZE, TB_SC_SIZE ); rb->lcd_set_foreground( rp_colors[ drawcolor ] ); rb->lcd_fillrect( TB_SC_FG_LEFT, TOP+TB_SC_FG_TOP, TB_SC_SIZE, TB_SC_SIZE ); rb->lcd_set_foreground(ROCKPAINT_PALETTE); rb->lcd_drawrect( TB_SC_FG_LEFT, TOP+TB_SC_FG_TOP, TB_SC_SIZE, TB_SC_SIZE ); for( i=0; i<18; i++ ) { rb->lcd_set_foreground( rp_colors[i] ); rb->lcd_fillrect( TB_PL_LEFT+(i%9)*( TB_PL_COLOR_SIZE+TB_PL_COLOR_SPACING ), TOP+TB_PL_TOP+(i/9)*( TB_PL_COLOR_SIZE+TB_PL_COLOR_SPACING), TB_PL_COLOR_SIZE, TB_PL_COLOR_SIZE ); rb->lcd_set_foreground( ROCKPAINT_PALETTE ); rb->lcd_drawrect( TB_PL_LEFT+(i%9)*( TB_PL_COLOR_SIZE+TB_PL_COLOR_SPACING ), TOP+TB_PL_TOP+(i/9)*( TB_PL_COLOR_SIZE+TB_PL_COLOR_SPACING), TB_PL_COLOR_SIZE, TB_PL_COLOR_SIZE ); } #define SEPARATOR( x, y ) \ rb->lcd_set_foreground( COLOR_WHITE ); \ rb->lcd_vline( x, TOP+y, TOP+y+TB_PL_HEIGHT-1 ); \ rb->lcd_set_foreground( COLOR_DARKGRAY ); \ rb->lcd_vline( x+1, TOP+y, TOP+y+TB_PL_HEIGHT-1 ); SEPARATOR( TB_PL_LEFT + TB_PL_WIDTH - 1 + TB_SP_MARGIN, TB_PL_TOP ); rb->lcd_bitmap_transparent( rockpaint, TB_TL_LEFT, TOP+TB_TL_TOP, TB_TL_WIDTH, TB_TL_HEIGHT ); rb->lcd_set_foreground(ROCKPAINT_PALETTE); rb->lcd_drawrect( TB_TL_LEFT+(TB_TL_SIZE+TB_TL_SPACING)*(tool/2), TOP+TB_TL_TOP+(TB_TL_SIZE+TB_TL_SPACING)*(tool%2), TB_TL_SIZE, TB_TL_SIZE ); SEPARATOR( TB_TL_LEFT + TB_TL_WIDTH - 1 + TB_SP_MARGIN, TB_TL_TOP ); rb->lcd_setfont( FONT_SYSFIXED ); rb->lcd_putsxy( TB_MENU_LEFT, TOP+TB_MENU_TOP, "Menu" ); rb->lcd_setfont( FONT_UI ); #undef TOP if( update ) rb->lcd_update(); } static void toolbar( void ) { int button, i, j; restore_screen(); draw_toolbars( false ); y = LCD_HEIGHT-TB_HEIGHT/2; inv_cursor( true ); while( 1 ) { switch( button = rb->button_get( true ) ) { case ROCKPAINT_DRAW: #define TOP ( LCD_HEIGHT - TB_HEIGHT ) if( y >= TOP + TB_SC_FG_TOP && y < TOP + TB_SC_FG_TOP + TB_SC_SIZE && x >= TB_SC_FG_LEFT && x < TB_SC_FG_LEFT + TB_SC_SIZE ) { /* click on the foreground color */ rp_colors[drawcolor] = color_chooser( rp_colors[drawcolor] ); } else if( y >= TOP + TB_SC_BG_TOP && y < TOP + TB_SC_BG_TOP + TB_SC_SIZE && x >= TB_SC_BG_LEFT && x < TB_SC_BG_LEFT + TB_SC_SIZE ) { /* click on the background color */ i = drawcolor; drawcolor = bgdrawcolor; bgdrawcolor = i; } else if( y >= TOP + TB_PL_TOP && y < TOP + TB_PL_TOP + TB_PL_HEIGHT && x >= TB_PL_LEFT && x < TB_PL_LEFT + TB_PL_WIDTH ) { /* click on the palette */ i = (x - TB_PL_LEFT)%(TB_PL_COLOR_SIZE+TB_PL_COLOR_SPACING); j = (y - (TOP+TB_PL_TOP) )%(TB_PL_COLOR_SIZE+TB_PL_COLOR_SPACING); if( i >= TB_PL_COLOR_SIZE || j >= TB_PL_COLOR_SIZE ) break; i = ( x - TB_PL_LEFT )/(TB_PL_COLOR_SIZE+TB_PL_COLOR_SPACING); j = ( y - (TOP+TB_PL_TOP) )/(TB_PL_COLOR_SIZE+TB_PL_COLOR_SPACING); drawcolor = j*(TB_PL_COLOR_SIZE+TB_PL_COLOR_SPACING)+i; } else if( y >= TOP+TB_TL_TOP && y < TOP + TB_TL_TOP + TB_TL_HEIGHT && x >= TB_TL_LEFT && x <= TB_TL_LEFT + TB_TL_WIDTH ) { /* click on the tools */ i = (x - TB_TL_LEFT ) % (TB_TL_SIZE+TB_TL_SPACING); j = (y - (TOP+TB_TL_TOP) ) %(TB_TL_SIZE+TB_TL_SPACING); if( i >= TB_TL_SIZE || j >= TB_TL_SIZE ) break; i = ( x - TB_TL_LEFT )/(TB_TL_SIZE+TB_TL_SPACING); j = ( y - (TOP+TB_TL_TOP) )/(TB_TL_SIZE+TB_TL_SPACING); tool = i*2+j; reset_tool(); if( tool == Text ) { buffer->text.initialized = false; } } else if( x >= TB_MENU_LEFT && y >= TOP+TB_MENU_TOP-2) { /* menu button */ goto_menu(); } #undef TOP restore_screen(); draw_toolbars( false ); inv_cursor( true ); break; case ROCKPAINT_LEFT: case ROCKPAINT_LEFT | BUTTON_REPEAT: case ROCKPAINT_RIGHT: case ROCKPAINT_RIGHT | BUTTON_REPEAT: inv_cursor(false); incdec_value(&x, &incdec_x, (button&ROCKPAINT_RIGHT), (button&BUTTON_REPEAT)); inv_cursor(true); break; case ROCKPAINT_UP: case ROCKPAINT_UP | BUTTON_REPEAT: case ROCKPAINT_DOWN: case ROCKPAINT_DOWN | BUTTON_REPEAT: inv_cursor(false); if (incdec_value(&y, &incdec_y, (button&ROCKPAINT_DOWN), (button&BUTTON_REPEAT)) || y < LCD_HEIGHT-TB_HEIGHT) { /* went out of region. exit toolbar. */ return; } inv_cursor(true); break; case ROCKPAINT_TOOLBAR: case ROCKPAINT_TOOLBAR2: return; } if( quit ) return; } } static void inv_cursor(bool update) { rb->lcd_set_foreground(COLOR_BLACK); rb->lcd_set_drawmode(DRMODE_COMPLEMENT); /* cross painting */ rb->lcd_hline(x-4,x+4,y); rb->lcd_vline(x,y-4,y+4); rb->lcd_set_foreground(rp_colors[drawcolor]); rb->lcd_set_drawmode(DRMODE_SOLID); if( update ) rb->lcd_update(); } static void restore_screen(void) { rb->lcd_bitmap( save_buffer, 0, 0, COLS, ROWS ); rb->lcd_set_drawmode(DRMODE_COMPLEMENT); rb->lcd_vline( img_width, 0, ROWS ); rb->lcd_hline( 0, COLS, img_height ); rb->lcd_drawpixel( img_width, img_height ); rb->lcd_set_drawmode(DRMODE_SOLID); } static void clear_drawing(void) { init_buffer(); img_height = ROWS; img_width = COLS; rb->lcd_set_foreground( rp_colors[ bgdrawcolor ] ); rb->lcd_fillrect( 0, 0, COLS, ROWS ); rb->lcd_update(); } static void goto_menu(void) { int multi; int selected = 0; while( 1 ) { switch( rb->do_menu( &main_menu, &selected, NULL, false ) ) { case MAIN_MENU_NEW: clear_drawing(); return; case MAIN_MENU_LOAD: if( browse( filename, MAX_PATH, "/" ) ) { if( load_bitmap( filename ) <= 0 ) { rb->splashf( 1*HZ, "Error while loading %s", filename ); clear_drawing(); } else { rb->splashf( 1*HZ, "Image loaded (%s)", filename ); restore_screen(); inv_cursor(true); return; } } break; case MAIN_MENU_SAVE: rb->lcd_set_foreground(COLOR_BLACK); if (!filename[0]) rb->strcpy(filename,"/"); if( !rb->kbd_input( filename, MAX_PATH ) ) { if( !check_extention( filename, ".bmp" ) ) rb->strcat(filename, ".bmp"); save_bitmap( filename ); rb->splashf( 1*HZ, "File saved (%s)", filename ); } break; case MAIN_MENU_SET_WIDTH: rb->set_int( "Set Width", "px", UNIT_INT, &img_width, NULL, 1, 1, COLS, NULL ); break; case MAIN_MENU_SET_HEIGHT: rb->set_int( "Set Height", "px", UNIT_INT, &img_height, NULL, 1, 1, ROWS, NULL ); break; case MAIN_MENU_BRUSH_SIZE: for(multi = 0; multi<4; multi++) if(bsize == times_list[multi]) break; rb->set_option( "Brush Size", &multi, INT, times_options, 4, NULL ); if( multi >= 0 ) bsize = times_list[multi]; break; case MAIN_MENU_BRUSH_SPEED: for(multi = 0; multi<3; multi++) if(bspeed == times_list[multi]) break; rb->set_option( "Brush Speed", &multi, INT, times_options, 3, NULL ); if( multi >= 0 ) { bspeed = times_list[multi]; incdec_x.step[0] = bspeed; incdec_x.step[1] = bspeed * 4; incdec_y.step[0] = bspeed; incdec_y.step[1] = bspeed * 4; } break; case MAIN_MENU_COLOR: rp_colors[drawcolor] = color_chooser( rp_colors[drawcolor] ); break; case MAIN_MENU_GRID_SIZE: for(multi = 0; multi<4; multi++) if(gridsize == gridsize_list[multi]) break; rb->set_option( "Grid Size", &multi, INT, gridsize_options, 4, NULL ); if( multi >= 0 ) gridsize = gridsize_list[multi]; break; case MAIN_MENU_PLAYBACK_CONTROL: if (!audio_buf) playback_control( NULL ); else rb->splash(HZ, "Cannot restart playback"); break; case MAIN_MENU_EXIT: restore_screen(); quit=true; return; case MAIN_MENU_RESUME: default: restore_screen(); return; }/* end switch */ }/* end while */ } static void reset_tool( void ) { prev_x = -1; prev_y = -1; prev_x2 = -1; prev_y2 = -1; prev_x3 = -1; prev_y3 = -1; /* reset state */ state = State0; /* always preview color picker */ preview = (tool == ColorPicker); } /* brush tool */ static void state_func_brush(void) { if( state == State0 ) { state = State1; } else { state = State0; } } /* fill tool */ static void state_func_fill(void) { draw_fill( x, y ); restore_screen(); } /* select rectangle tool */ static void state_func_select(void) { int mode; if( state == State0 ) { prev_x = x; prev_y = y; preview = true; state = State1; } else if( state == State1 ) { mode = rb->do_menu( &select_menu, NULL, NULL, false ); switch( mode ) { case SELECT_MENU_CUT: case SELECT_MENU_COPY: prev_x2 = x; prev_y2 = y; if( prev_x < x ) x = prev_x; if( prev_y < y ) y = prev_y; prev_x3 = abs(prev_x2 - prev_x); prev_y3 = abs(prev_y2 - prev_y); copy_to_clipboard(); state = (mode == SELECT_MENU_CUT? State2: State3); break; case SELECT_MENU_INVERT: draw_invert( prev_x, prev_y, x, y ); reset_tool(); break; case SELECT_MENU_HFLIP: draw_hflip( prev_x, prev_y, x, y ); reset_tool(); break; case SELECT_MENU_VFLIP: draw_vflip( prev_x, prev_y, x, y ); reset_tool(); break; case SELECT_MENU_ROTATE90: draw_rot_90_deg( prev_x, prev_y, x, y, 1 ); reset_tool(); break; case SELECT_MENU_ROTATE180: draw_hflip( prev_x, prev_y, x, y ); draw_vflip( prev_x, prev_y, x, y ); reset_tool(); break; case SELECT_MENU_ROTATE270: draw_rot_90_deg( prev_x, prev_y, x, y, -1 ); reset_tool(); break; case SELECT_MENU_CANCEL: reset_tool(); break; default: break; } restore_screen(); } else { preview = false; draw_paste_rectangle( prev_x, prev_y, prev_x2, prev_y2, x, y, state == State2 ); reset_tool(); restore_screen(); } } static void preview_select(void) { if( state == State1 ) { /* we are defining the selection */ draw_select_rectangle( prev_x, prev_y, x, y ); } else { /* we are pasting the selected data */ draw_paste_rectangle( prev_x, prev_y, prev_x2, prev_y2, x, y, state == State2 ); draw_select_rectangle( x, y, x+prev_x3, y+prev_y3 ); } } /* color picker tool */ static void state_func_picker(void) { preview = false; color_picker( x, y ); reset_tool(); } static void preview_picker(void) { color_picker( x, y ); } /* curve tool */ static void state_func_curve(void) { if( state == State0 ) { prev_x = x; prev_y = y; preview = true; state = State1; } else if( state == State1 ) { prev_x2 = x; prev_y2 = y; state = State2; } else if( state == State2 ) { prev_x3 = x; prev_y3 = y; state = State3; } else { preview = false; draw_curve( prev_x, prev_y, prev_x2, prev_y2, prev_x3, prev_y3, x, y ); reset_tool(); restore_screen(); } } static void preview_curve(void) { if( state == State1 ) { draw_line( prev_x, prev_y, x, y ); } else { draw_curve( prev_x, prev_y, prev_x2, prev_y2, prev_x3, prev_y3, x, y ); } } /* text tool */ static void state_func_text(void) { draw_text( x, y ); } /* tools which take 2 point */ static void preview_2point(void); static void state_func_2point(void) { if( state == State0 ) { prev_x = x; prev_y = y; state = State1; preview = true; } else { preview = false; preview_2point(); reset_tool(); restore_screen(); } } static void preview_2point(void) { if( state == State1 ) { switch( tool ) { case Line: draw_line( prev_x, prev_y, x, y ); break; case Rectangle: draw_rect( prev_x, prev_y, x, y ); break; case RectangleFull: draw_rect_full( prev_x, prev_y, x, y ); break; case Oval: draw_oval_empty( prev_x, prev_y, x, y ); break; case OvalFull: draw_oval_full( prev_x, prev_y, x, y ); break; case LinearGradient: linear_gradient( prev_x, prev_y, x, y ); break; case RadialGradient: radial_gradient( prev_x, prev_y, x, y ); break; default: break; } if( !preview ) { reset_tool(); restore_screen(); } } } static const struct tool_func tools[14] = { [Brush] = { state_func_brush, NULL }, [Fill] = { state_func_fill, NULL }, [SelectRectangle] = { state_func_select, preview_select }, [ColorPicker] = { state_func_picker, preview_picker }, [Line] = { state_func_2point, preview_2point }, [Unused] = { NULL, NULL }, [Curve] = { state_func_curve, preview_curve }, [Text] = { state_func_text, NULL }, [Rectangle] = { state_func_2point, preview_2point }, [RectangleFull] = { state_func_2point, preview_2point }, [Oval] = { state_func_2point, preview_2point }, [OvalFull] = { state_func_2point, preview_2point }, [LinearGradient] = { state_func_2point, preview_2point }, [RadialGradient] = { state_func_2point, preview_2point }, }; static bool rockpaint_loop( void ) { int button = 0, i, j; bool bigstep; x = 10; toolbar(); x = 0; y = 0; restore_screen(); inv_cursor(true); while (!quit) { button = rb->button_get(true); bigstep = (button & BUTTON_REPEAT) && !(tool == Brush && state == State1); switch(button) { case ROCKPAINT_QUIT: if (state != State0) { reset_tool(); restore_screen(); inv_cursor(true); } else { rb->lcd_set_drawmode(DRMODE_SOLID); return PLUGIN_OK; } break; case ROCKPAINT_MENU: goto_menu(); restore_screen(); inv_cursor(true); break; case ROCKPAINT_DRAW: if( tools[tool].state_func ) { inv_cursor(false); tools[tool].state_func(); inv_cursor(true); } break; case ROCKPAINT_DRAW|BUTTON_REPEAT: if( tool == Curve && state != State0 ) { /* 3 point bezier curve */ preview = false; draw_curve( prev_x, prev_y, prev_x2, prev_y2, -1, -1, x, y ); reset_tool(); restore_screen(); inv_cursor( true ); } break; case ROCKPAINT_TOOLBAR: case ROCKPAINT_TOOLBAR2: i = x; j = y; x = (button == ROCKPAINT_TOOLBAR2) ? 110: 10; toolbar(); x = i; y = j; restore_screen(); inv_cursor(true); break; case ROCKPAINT_LEFT: case ROCKPAINT_LEFT | BUTTON_REPEAT: case ROCKPAINT_RIGHT: case ROCKPAINT_RIGHT | BUTTON_REPEAT: inv_cursor(false); incdec_value(&x, &incdec_x, (button&ROCKPAINT_RIGHT), bigstep); inv_cursor(true); break; case ROCKPAINT_UP: case ROCKPAINT_UP | BUTTON_REPEAT: case ROCKPAINT_DOWN: case ROCKPAINT_DOWN | BUTTON_REPEAT: inv_cursor(false); if (incdec_value(&y, &incdec_y, (button&ROCKPAINT_DOWN), bigstep) && (button&ROCKPAINT_DOWN)) { toolbar(); restore_screen(); } inv_cursor(true); break; default: if (rb->default_event_handler(button) == SYS_USB_CONNECTED) return PLUGIN_USB_CONNECTED; break; } if( tool == Brush && state == State1 ) { inv_cursor(false); draw_brush( x, y ); inv_cursor(true); } if( preview && tools[tool].preview_func ) { restore_screen(); tools[tool].preview_func(); inv_cursor( true ); } if( gridsize > 0 ) { show_grid( true ); show_grid( false ); } } return PLUGIN_OK; } static int load_bitmap( const char *file ) { struct bitmap bm; bool ret; int i, j; fb_data color = rp_colors[ bgdrawcolor ]; bm.data = (char*)save_buffer; ret = rb->read_bmp_file( file, &bm, ROWS*COLS*sizeof( fb_data ), FORMAT_NATIVE, NULL ); if((bm.width > COLS ) || ( bm.height > ROWS )) return -1; img_width = bm.width; img_height = bm.height; for( i = bm.height-1; i >= 0; i-- ) { rb->memmove( save_buffer+i*COLS, save_buffer+i*bm.width, sizeof( fb_data )*bm.width ); for( j = bm.width; j < COLS; j++ ) save_buffer[j+i*COLS] = color; } for( i = bm.height*COLS; i < ROWS*COLS; i++ ) save_buffer[i] = color; return ret; } static int save_bitmap( char *file ) { struct bitmap bm; int i; for(i = 0; i < img_height; i++) { rb->memcpy( buffer->clipboard+i*img_width, save_buffer+i*COLS, sizeof( fb_data )*img_width ); } bm.data = (char*)buffer->clipboard; bm.height = img_height; bm.width = img_width; bm.format = FORMAT_NATIVE; return save_bmp_file( file, &bm ); } enum plugin_status plugin_start(const void* parameter) { size_t buffer_size; unsigned char *temp; temp = rb->plugin_get_buffer(&buffer_size); if (buffer_size < sizeof(*buffer) + 3) { /* steal from audiobuffer if plugin buffer is too small */ temp = rb->plugin_get_audio_buffer(&buffer_size); if (buffer_size < sizeof(*buffer) + 3) { rb->splash(HZ, "Not enough memory"); return PLUGIN_ERROR; } audio_buf = true; } buffer = (union buf*) (((uintptr_t)temp + 3) & ~3); rb->lcd_set_foreground(COLOR_WHITE); rb->lcd_set_backdrop(NULL); rb->lcd_fillrect(0,0,LCD_WIDTH,LCD_HEIGHT); rb->splash( HZ/2, "Rock Paint"); rb->lcd_clear_display(); filename[0] = '\0'; if( parameter ) { if( load_bitmap( parameter ) <= 0 ) { rb->splash( 1*HZ, "File Open Error"); clear_drawing(); } else { rb->splashf( 1*HZ, "Image loaded (%s)", (char *)parameter ); restore_screen(); rb->strcpy( filename, parameter ); } } else { clear_drawing(); } inv_cursor(true); return rockpaint_loop(); }