forked from len0rd/rockbox
rockpaint: merge similar switch-case statements for readability. slightly reduce ramusage.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28574 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Teruaki Kawashima
parent
a961798c2c
commit
ca494b737e
1 changed files with 74 additions and 153 deletions
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@ -407,6 +407,14 @@ static fb_data save_buffer[ ROWS*COLS ];
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extern fb_data rockpaint[];
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extern fb_data rockpaint_hsvrgb[];
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struct incdec_ctx {
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int max;
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int step[2];
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bool wrap;
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};
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struct incdec_ctx incdec_x = { COLS, { 1, 4}, true };
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struct incdec_ctx incdec_y = { ROWS, { 1, 4}, true };
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/* Maximum string size allowed for the text tool */
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#define MAX_TEXT 256
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@ -451,6 +459,27 @@ static buf *buffer;
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/* Current filename */
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static char filename[MAX_PATH];
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static bool incdec_value(int *pval, struct incdec_ctx *ctx, bool inc, bool bigstep)
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{
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bool of = true;
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int step = ctx->step[bigstep?1:0];
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step = inc?step: -step;
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*pval += step;
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if (ctx->wrap)
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{
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if (*pval < 0) *pval += ctx->max;
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else if (*pval >= ctx->max) *pval -= ctx->max;
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else of = false;
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}
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else
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{
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if (*pval < 0) *pval = 0;
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else if (*pval > ctx->max) *pval = ctx->max;
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else of = false;
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}
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return of;
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}
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/* Font preview buffer */
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//#define FONT_PREVIEW_WIDTH ((LCD_WIDTH-30)/8)
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//#define FONT_PREVIEW_HEIGHT 1000
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@ -982,6 +1011,12 @@ static unsigned int color_chooser( unsigned int color )
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int hue, saturation, value;
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int r, g, b; /* temp variables */
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int i, top, left;
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int button;
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int *pval;
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static struct incdec_ctx ctxs[] = {
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{ 3600, { 10, 100}, true }, /* hue */
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{ 0xff, { 1, 8}, false }, /* the others */
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};
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enum BaseColor { Hue = 0, Saturation = 1, Value = 2,
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Red = 3, Green = 4, Blue = 5 };
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@ -1058,123 +1093,49 @@ static unsigned int color_chooser( unsigned int color )
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rb->lcd_update();
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switch( rb->button_get(true) )
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switch( button = rb->button_get(true) )
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{
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case ROCKPAINT_UP:
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current = ( current + 5 )%6;
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break;
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case ROCKPAINT_DOWN:
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current = (current + 1 )%6;
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current = ( current + 1 )%6;
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break;
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case ROCKPAINT_LEFT:
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has_changed = true;
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switch( current )
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{
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case Hue:
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hue = ( hue + 3600 - 10 )%3600;
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break;
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case Saturation:
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if( saturation ) saturation--;
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break;
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case Value:
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if( value ) value--;
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break;
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case Red:
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if( red ) red--;
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break;
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case Green:
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if( green ) green--;
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break;
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case Blue:
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if( blue ) blue--;
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break;
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}
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break;
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case ROCKPAINT_LEFT|BUTTON_REPEAT:
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has_changed = true;
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switch( current )
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{
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case Hue:
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hue = ( hue + 3600 - 100 )%3600;
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break;
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case Saturation:
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if( saturation >= 8 ) saturation-=8;
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else saturation = 0;
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break;
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case Value:
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if( value >= 8 ) value-=8;
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else value = 0;
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break;
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case Red:
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if( red >= 8 ) red-=8;
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else red = 0;
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break;
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case Green:
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if( green >= 8 ) green-=8;
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else green = 0;
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break;
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case Blue:
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if( blue >= 8 ) blue-=8;
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else blue = 0;
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break;
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}
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break;
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case ROCKPAINT_RIGHT:
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has_changed = true;
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switch( current )
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{
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case Hue:
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hue = ( hue + 10 )%3600;
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break;
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case Saturation:
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if( saturation < 0xff ) saturation++;
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break;
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case Value:
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if( value < 0xff ) value++;
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break;
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case Red:
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if( red < 0xff ) red++;
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break;
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case Green:
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if( green < 0xff ) green++;
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break;
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case Blue:
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if( blue < 0xff ) blue++;
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break;
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}
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break;
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case ROCKPAINT_RIGHT|BUTTON_REPEAT:
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has_changed = true;
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switch( current )
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{
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case Hue:
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hue = ( hue + 100 )%3600;
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pval = &hue;
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break;
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case Saturation:
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if( saturation < 0xff - 8 ) saturation+=8;
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else saturation = 0xff;
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pval = &saturation;
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break;
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case Value:
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if( value < 0xff - 8 ) value+=8;
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else value = 0xff;
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pval = &value;
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break;
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case Red:
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if( red < 0xff - 8 ) red+=8;
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else red = 0xff;
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pval = &red;
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break;
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case Green:
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if( green < 0xff - 8 ) green+=8;
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else green = 0xff;
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pval = &green;
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break;
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case Blue:
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if( blue < 0xff - 8 ) blue+=8;
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else blue = 0xff;
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pval = &blue;
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break;
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default:
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pval = NULL;
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break;
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}
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if (pval)
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{
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incdec_value(pval, &ctxs[(current != Hue? 1: 0)],
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(button&ROCKPAINT_RIGHT), (button&BUTTON_REPEAT));
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}
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break;
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@ -1549,26 +1510,18 @@ static void draw_text( int x, int y )
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{
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case ROCKPAINT_LEFT:
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case ROCKPAINT_LEFT | BUTTON_REPEAT:
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x-=bspeed * ( button & BUTTON_REPEAT ? 4 : 1 );
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if (x<0) x=COLS-1;
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break;
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case ROCKPAINT_RIGHT:
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case ROCKPAINT_RIGHT | BUTTON_REPEAT:
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x+=bspeed * ( button & BUTTON_REPEAT ? 4 : 1 );
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if (x>=COLS) x=0;
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incdec_value(&x, &incdec_x,
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(button&ROCKPAINT_RIGHT), (button&BUTTON_REPEAT));
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break;
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case ROCKPAINT_UP:
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case ROCKPAINT_UP | BUTTON_REPEAT:
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y-=bspeed * ( button & BUTTON_REPEAT ? 4 : 1 );
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if (y<0) y=ROWS-1;
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break;
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case ROCKPAINT_DOWN:
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case ROCKPAINT_DOWN | BUTTON_REPEAT:
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y+=bspeed * ( button & BUTTON_REPEAT ? 4 : 1 );
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if (y>=ROWS-1) y=0;
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incdec_value(&y, &incdec_y,
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(button&ROCKPAINT_DOWN), (button&BUTTON_REPEAT));
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break;
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case ROCKPAINT_DRAW:
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@ -2426,38 +2379,24 @@ static void toolbar( void )
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case ROCKPAINT_LEFT:
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case ROCKPAINT_LEFT | BUTTON_REPEAT:
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inv_cursor(false);
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x-=bspeed * ( button & BUTTON_REPEAT ? 4 : 1 );
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if (x<0) x=COLS-1;
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inv_cursor(true);
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break;
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case ROCKPAINT_RIGHT:
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case ROCKPAINT_RIGHT | BUTTON_REPEAT:
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inv_cursor(false);
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x+=bspeed * ( button & BUTTON_REPEAT ? 4 : 1 );
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if (x>=COLS) x=0;
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incdec_value(&x, &incdec_x,
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(button&ROCKPAINT_RIGHT), (button&BUTTON_REPEAT));
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inv_cursor(true);
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break;
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case ROCKPAINT_UP:
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case ROCKPAINT_UP | BUTTON_REPEAT:
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inv_cursor(false);
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y-=bspeed * ( button & BUTTON_REPEAT ? 4 : 1 );
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if (y<LCD_HEIGHT-TB_HEIGHT)
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{
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return;
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}
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inv_cursor(true);
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break;
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case ROCKPAINT_DOWN:
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case ROCKPAINT_DOWN | BUTTON_REPEAT:
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inv_cursor(false);
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y+=bspeed * ( button & BUTTON_REPEAT ? 4 : 1 );
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if (y>=LCD_HEIGHT)
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if (incdec_value(&y, &incdec_y,
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(button&ROCKPAINT_DOWN), (button&BUTTON_REPEAT))
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|| y < LCD_HEIGHT-TB_HEIGHT)
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{
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y = 0;
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/* went out of region. exit toolbar. */
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return;
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}
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inv_cursor(true);
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@ -2569,8 +2508,13 @@ static void goto_menu(void)
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for(multi = 0; multi<3; multi++)
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if(bspeed == times_list[multi]) break;
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rb->set_option( "Brush Speed", &multi, INT, times_options, 3, NULL );
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if( multi >= 0 )
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if( multi >= 0 ) {
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bspeed = times_list[multi];
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incdec_x.step[0] = bspeed;
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incdec_x.step[1] = bspeed * 4;
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incdec_y.step[0] = bspeed;
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incdec_y.step[1] = bspeed * 4;
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}
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break;
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case MAIN_MENU_COLOR:
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@ -2617,7 +2561,7 @@ static void reset_tool( void )
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static bool rockpaint_loop( void )
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{
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int button=0,i,j;
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int accelaration;
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bool bigstep;
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x = 10;
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toolbar();
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@ -2627,19 +2571,7 @@ static bool rockpaint_loop( void )
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while (!quit) {
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button = rb->button_get(true);
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if( tool == Brush && prev_x != -1 )
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{
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accelaration = 1;
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}
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else if( button & BUTTON_REPEAT )
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{
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accelaration = 4;
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}
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else
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{
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accelaration = 1;
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}
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bigstep = (button & BUTTON_REPEAT) && !(tool == Brush && prev_x != -1);
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switch(button)
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{
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@ -2846,33 +2778,22 @@ static bool rockpaint_loop( void )
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case ROCKPAINT_LEFT:
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case ROCKPAINT_LEFT | BUTTON_REPEAT:
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inv_cursor(false);
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x-=bspeed * accelaration;
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if (x<0) x=COLS-1;
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inv_cursor(true);
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break;
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case ROCKPAINT_RIGHT:
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case ROCKPAINT_RIGHT | BUTTON_REPEAT:
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inv_cursor(false);
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x+=bspeed * accelaration;
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if (x>=COLS) x=0;
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incdec_value(&x, &incdec_x,
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(button&ROCKPAINT_RIGHT), bigstep);
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inv_cursor(true);
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break;
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case ROCKPAINT_UP:
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case ROCKPAINT_UP | BUTTON_REPEAT:
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inv_cursor(false);
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y-=bspeed * accelaration;
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if (y<0) y=ROWS-1;
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inv_cursor(true);
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break;
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case ROCKPAINT_DOWN:
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case ROCKPAINT_DOWN | BUTTON_REPEAT:
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inv_cursor(false);
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y+=bspeed * accelaration;
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if (y>=ROWS)
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if (incdec_value(&y, &incdec_y,
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(button&ROCKPAINT_DOWN), bigstep)
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&& (button&ROCKPAINT_DOWN))
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{
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toolbar();
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restore_screen();
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