ozone_theme.h

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/* RetroArch - A frontend for libretro.
 * Copyright (C) 2011-2018 - Daniel De Matteis
 * Copyright (C) 2018 - natinusala
 *
 * RetroArch 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 Found-
 * ation, either version 3 of the License, or (at your option) any later version.
 *
 * RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with RetroArch.
 * If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _OZONE_THEME_H
#define _OZONE_THEME_H

#include "ozone.h"
#include "ozone_texture.h"

#include "../../../retroarch.h"

#define HEX_R(hex) ((hex >> 16) & 0xFF) * (1.0f / 255.0f)
#define HEX_G(hex) ((hex >> 8 ) & 0xFF) * (1.0f / 255.0f)
#define HEX_B(hex) ((hex >> 0 ) & 0xFF) * (1.0f / 255.0f)

#define COLOR_HEX_TO_FLOAT(hex, alpha) { \
 HEX_R(hex), HEX_G(hex), HEX_B(hex), alpha, \
 HEX_R(hex), HEX_G(hex), HEX_B(hex), alpha, \
 HEX_R(hex), HEX_G(hex), HEX_B(hex), alpha, \
 HEX_R(hex), HEX_G(hex), HEX_B(hex), alpha \
}

#define COLOR_TEXT_ALPHA(color, alpha) (color & 0xFFFFFF00) | alpha

static float ozone_pure_white[16] = {
 1.00, 1.00, 1.00, 1.00,
 1.00, 1.00, 1.00, 1.00,
 1.00, 1.00, 1.00, 1.00,
 1.00, 1.00, 1.00, 1.00,
};

static float ozone_backdrop[16] = {
 0.00, 0.00, 0.00, 0.75,
 0.00, 0.00, 0.00, 0.75,
 0.00, 0.00, 0.00, 0.75,
 0.00, 0.00, 0.00, 0.75,
};

static float ozone_osk_backdrop[16] = {
 0.00, 0.00, 0.00, 0.15,
 0.00, 0.00, 0.00, 0.15,
 0.00, 0.00, 0.00, 0.15,
 0.00, 0.00, 0.00, 0.15,
};

static float ozone_sidebar_background_light[16] = {
 0.94, 0.94, 0.94, 1.00,
 0.94, 0.94, 0.94, 1.00,
 0.94, 0.94, 0.94, 1.00,
 0.94, 0.94, 0.94, 1.00,
};

static float ozone_sidebar_gradient_top_light[16] = {
 0.94, 0.94, 0.94, 1.00,
 0.94, 0.94, 0.94, 1.00,
 0.922, 0.922, 0.922, 1.00,
 0.922, 0.922, 0.922, 1.00,
};

static float ozone_sidebar_gradient_bottom_light[16] = {
 0.922, 0.922, 0.922, 1.00,
 0.922, 0.922, 0.922, 1.00,
 0.94, 0.94, 0.94, 1.00,
 0.94, 0.94, 0.94, 1.00,
};

static float ozone_sidebar_background_dark[16] = {
 0.2, 0.2, 0.2, 1.00,
 0.2, 0.2, 0.2, 1.00,
 0.2, 0.2, 0.2, 1.00,
 0.2, 0.2, 0.2, 1.00,
};

static float ozone_sidebar_gradient_top_dark[16] = {
 0.2, 0.2, 0.2, 1.00,
 0.2, 0.2, 0.2, 1.00, 
 0.18, 0.18, 0.18, 1.00,
 0.18, 0.18, 0.18, 1.00,
};

static float ozone_sidebar_gradient_bottom_dark[16] = {
 0.18, 0.18, 0.18, 1.00,
 0.18, 0.18, 0.18, 1.00,
 0.2, 0.2, 0.2, 1.00,
 0.2, 0.2, 0.2, 1.00,
};

static float ozone_border_0_light[16] = COLOR_HEX_TO_FLOAT(0x50EFD9, 1.00);
static float ozone_border_1_light[16] = COLOR_HEX_TO_FLOAT(0x0DB6D5, 1.00);

static float ozone_border_0_dark[16] = COLOR_HEX_TO_FLOAT(0x198AC6, 1.00);
static float ozone_border_1_dark[16] = COLOR_HEX_TO_FLOAT(0x89F1F2, 1.00);

static float ozone_background_libretro_running_light[16] = {
 0.690, 0.690, 0.690, 0.75,
 0.690, 0.690, 0.690, 0.75,
 0.922, 0.922, 0.922, 1.0,
 0.922, 0.922, 0.922, 1.0
};

static float ozone_background_libretro_running_dark[16] = {
 0.176, 0.176, 0.176, 0.75,
 0.176, 0.176, 0.176, 0.75,
 0.178, 0.178, 0.178, 1.0,
 0.178, 0.178, 0.178, 1.0,
};

typedef struct ozone_theme
{
 /* Background color */
 float background[16];
 float *background_libretro_running;

 /* Float colors for quads and icons */
 float header_footer_separator[16];
 float text[16];
 float selection[16];
 float selection_border[16];
 float entries_border[16];
 float entries_icon[16];
 float text_selected[16];
 float message_background[16];

 /* RGBA colors for text */
 uint32_t text_rgba;
 uint32_t text_selected_rgba;
 uint32_t text_sublabel_rgba;

 /* Sidebar color */
 float *sidebar_background;
 float *sidebar_top_gradient;
 float *sidebar_bottom_gradient;

 /* 
 Fancy cursor colors
 */
 float *cursor_border_0;
 float *cursor_border_1;

 menu_texture_item textures[OZONE_THEME_TEXTURE_LAST];

 const char *name;
} ozone_theme_t;

extern ozone_theme_t ozone_theme_light;
extern ozone_theme_t ozone_theme_dark;

extern ozone_theme_t *ozone_themes[];

extern unsigned ozone_themes_count;
extern unsigned last_color_theme;
extern bool last_use_preferred_system_color_theme;
extern ozone_theme_t *ozone_default_theme;

void ozone_set_color_theme(ozone_handle_t *ozone, unsigned color_theme);
unsigned ozone_get_system_theme();

#endif