1/* Copyright (c) 2013-2015 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#include <mgba-util/gui/font.h>
  7#include <mgba-util/gui/font-metrics.h>
  8#include <mgba-util/string.h>
  9
 10#include <vita2d.h>
 11
 12#define CELL_HEIGHT 32
 13#define CELL_WIDTH 32
 14#define FONT_SIZE 1.25f
 15
 16extern const uint8_t _binary_icons2x_png_start[];
 17
 18struct GUIFont {
 19	vita2d_pgf* pgf;
 20	vita2d_texture* icons;
 21};
 22
 23struct GUIFont* GUIFontCreate(void) {
 24	struct GUIFont* font = malloc(sizeof(struct GUIFont));
 25	if (!font) {
 26		return 0;
 27	}
 28	font->pgf = vita2d_load_default_pgf();
 29	font->icons = vita2d_load_PNG_buffer(_binary_icons2x_png_start);
 30	return font;
 31}
 32
 33void GUIFontDestroy(struct GUIFont* font) {
 34	vita2d_free_pgf(font->pgf);
 35	vita2d_free_texture(font->icons);
 36	free(font);
 37}
 38
 39unsigned GUIFontHeight(const struct GUIFont* font) {
 40	return vita2d_pgf_text_height(font->pgf, FONT_SIZE, "M") + 9;
 41}
 42
 43unsigned GUIFontGlyphWidth(const struct GUIFont* font, uint32_t glyph) {
 44	char base[5] = { 0 };
 45	toUtf8(glyph, base);
 46	return vita2d_pgf_text_width(font->pgf, FONT_SIZE, base);
 47}
 48
 49void GUIFontIconMetrics(const struct GUIFont* font, enum GUIIcon icon, unsigned* w, unsigned* h) {
 50	UNUSED(font);
 51	if (icon >= GUI_ICON_MAX) {
 52		if (w) {
 53			*w = 0;
 54		}
 55		if (h) {
 56			*h = 0;
 57		}
 58	} else {
 59		if (w) {
 60			*w = defaultIconMetrics[icon].width * 2;
 61		}
 62		if (h) {
 63			*h = defaultIconMetrics[icon].height * 2;
 64		}
 65	}
 66}
 67
 68void GUIFontDrawGlyph(struct GUIFont* font, int x, int y, uint32_t color, uint32_t glyph) {
 69	char base[5] = { 0 };
 70	toUtf8(glyph, base);
 71	vita2d_pgf_draw_text(font->pgf, x, y, color, FONT_SIZE, base);
 72}
 73
 74void GUIFontDrawIcon(struct GUIFont* font, int x, int y, enum GUIAlignment align, enum GUIOrientation orient, uint32_t color, enum GUIIcon icon) {
 75	if (icon >= GUI_ICON_MAX) {
 76		return;
 77	}
 78	struct GUIIconMetric metric = defaultIconMetrics[icon];
 79	switch (align & GUI_ALIGN_HCENTER) {
 80	case GUI_ALIGN_HCENTER:
 81		x -= metric.width;
 82		break;
 83	case GUI_ALIGN_RIGHT:
 84		x -= metric.width * 2;
 85		break;
 86	}
 87	switch (align & GUI_ALIGN_VCENTER) {
 88	case GUI_ALIGN_VCENTER:
 89		y -= metric.height;
 90		break;
 91	case GUI_ALIGN_BOTTOM:
 92		y -= metric.height * 2;
 93		break;
 94	}
 95
 96	switch (orient) {
 97	case GUI_ORIENT_HMIRROR:
 98		vita2d_draw_texture_tint_part_scale(font->icons, x + metric.width * 2, y,
 99		                                    metric.x * 2, metric.y * 2,
100		                                    metric.width * 2, metric.height * 2,
101		                                    -1, 1, color);
102		return;
103	case GUI_ORIENT_VMIRROR:
104		vita2d_draw_texture_tint_part_scale(font->icons, x, y + metric.height * 2,
105		                                    metric.x * 2, metric.y * 2,
106		                                    metric.width * 2, metric.height * 2,
107		                                    1, -1, color);
108		return;
109	case GUI_ORIENT_0:
110	default:
111		// TOOD: Rotate
112		vita2d_draw_texture_tint_part(font->icons, x, y,
113		                                    metric.x * 2, metric.y * 2,
114		                                    metric.width * 2, metric.height * 2,
115		                                    color);
116		break;
117	}
118}
119
120void GUIFontDrawIconSize(struct GUIFont* font, int x, int y, int w, int h, uint32_t color, enum GUIIcon icon) {
121	if (icon >= GUI_ICON_MAX) {
122		return;
123	}
124	struct GUIIconMetric metric = defaultIconMetrics[icon];
125	vita2d_draw_texture_tint_part_scale(font->icons, x, y,
126	                                    metric.x * 2, metric.y * 2,
127	                                    metric.width * 2, metric.height * 2,
128	                                    w ? (w / (float) metric.width) : 1, h ? (h / (float) metric.height) : 1, color);
129}