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draw pixels using cairo

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Gwenhael Le Moine 2024-10-29 16:49:36 +01:00
parent e064dc862f
commit 3e37407a61
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GPG key ID: FDFE3669426707A7
1 changed files with 15 additions and 11 deletions
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26
src/s3c2410_lcd.c
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@ -281,6 +281,17 @@ static int x49gp_get_pixel_color( s3c2410_lcd_t* lcd, int x, int y )
}
}
void x49gp_draw_rectangle( GdkPixmap* target, int x, int y, int w, int h, GdkColor* color )
{
cairo_t* cr = gdk_cairo_create (target);
cairo_set_source_rgb( cr, color->red, color->green, color->blue );
cairo_rectangle (cr, x, y, w, h );
cairo_fill (cr);
cairo_destroy (cr);
}
void x49gp_lcd_update( x49gp_t* x49gp )
{
x49gp_ui_t* ui = x49gp->ui;
@ -322,19 +333,12 @@ void x49gp_lcd_update( x49gp_t* x49gp )
for ( int y = 0; y < ( ui->lcd_height - ui->lcd_annunciators_height ) / LCD_PIXEL_SCALE; y++ ) {
for ( int x = 0; x < ui->lcd_width / LCD_PIXEL_SCALE; x++ ) {
color = x49gp_get_pixel_color( lcd, x, y );
gdk_gc_set_rgb_fg_color( gc, &( ui->colors[ UI_COLOR_GRAYSCALE_0 + color ] ) );
/* gdk_gc_set_rgb_fg_color( gc, &( ui->colors[ UI_COLOR_GRAYSCALE_0 + color ] ) ); */
gdk_draw_rectangle( ui->lcd_pixmap, gc, true, LCD_PIXEL_SCALE * x, LCD_PIXEL_SCALE * y + ui->lcd_annunciators_height,
LCD_PIXEL_SCALE, LCD_PIXEL_SCALE );
/* gdk_draw_rectangle( ui->lcd_pixmap, gc, true, LCD_PIXEL_SCALE * x, LCD_PIXEL_SCALE * y + ui->lcd_annunciators_height, */
/* LCD_PIXEL_SCALE, LCD_PIXEL_SCALE ); */
/* gdk_draw_point( ui->lcd_pixmap, gc, LCD_PIXEL_SCALE * x, LCD_PIXEL_SCALE * y + ui->lcd_annunciators_height ); */
/* cr = gdk_cairo_create (ui->lcd_pixmap); */
/* cairo_rectangle (cr, LCD_PIXEL_SCALE * x, LCD_PIXEL_SCALE * y + ui->lcd_annunciators_height, LCD_PIXEL_SCALE, LCD_PIXEL_SCALE ); */
/* cairo_fill (cr); */
/* cairo_destroy (cr); */
x49gp_draw_rectangle( ui->lcd_pixmap, LCD_PIXEL_SCALE * x, LCD_PIXEL_SCALE * y + ui->lcd_annunciators_height, LCD_PIXEL_SCALE, LCD_PIXEL_SCALE, &(ui->colors[ UI_COLOR_GRAYSCALE_0 + color ]) );
}
}