src/platform/wii/gui-font.c (view raw)
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 "util/gui/font.h"
7#include "util/gui/font-metrics.h"
8#include "icons.h"
9#include "font.h"
10
11#include <malloc.h>
12#include <ogc/tpl.h>
13
14#define GLYPH_HEIGHT 24
15#define CELL_HEIGHT 32
16#define CELL_WIDTH 32
17
18struct GUIFont {
19 TPLFile tdf;
20 TPLFile iconsTdf;
21};
22
23struct GUIFont* GUIFontCreate(void) {
24 struct GUIFont* guiFont = malloc(sizeof(struct GUIFont));
25 if (!guiFont) {
26 return 0;
27 }
28
29 // libogc's TPL code modifies and frees this itself...
30 void* fontTpl = memalign(32, font_size);
31 if (!fontTpl) {
32 free(guiFont);
33 return 0;
34 }
35 memcpy(fontTpl, font, font_size);
36 TPL_OpenTPLFromMemory(&guiFont->tdf, fontTpl, font_size);
37
38 void* iconsTpl = memalign(32, icons_size);
39 if (!iconsTpl) {
40 TPL_CloseTPLFile(&guiFont->tdf);
41 free(guiFont);
42 return 0;
43 }
44 memcpy(iconsTpl, icons, icons_size);
45 TPL_OpenTPLFromMemory(&guiFont->iconsTdf, iconsTpl, icons_size);
46 return guiFont;
47}
48
49void GUIFontDestroy(struct GUIFont* font) {
50 TPL_CloseTPLFile(&font->tdf);
51 TPL_CloseTPLFile(&font->iconsTdf);
52 free(font);
53}
54
55unsigned GUIFontHeight(const struct GUIFont* font) {
56 UNUSED(font);
57 return GLYPH_HEIGHT;
58}
59
60unsigned GUIFontGlyphWidth(const struct GUIFont* font, uint32_t glyph) {
61 UNUSED(font);
62 if (glyph > 0x7F) {
63 glyph = '?';
64 }
65 return defaultFontMetrics[glyph].width * 2;
66}
67
68void GUIFontDrawGlyph(const struct GUIFont* font, int x, int y, uint32_t color, uint32_t glyph) {
69 color = (color >> 24) | (color << 8);
70 GXTexObj tex;
71 // Grumble grumble, libogc is bad about const-correctness
72 struct GUIFont* ncfont = font;
73 TPL_GetTexture(&ncfont->tdf, 0, &tex);
74 GX_LoadTexObj(&tex, GX_TEXMAP0);
75
76 GX_SetBlendMode(GX_BM_BLEND, GX_BL_SRCALPHA, GX_BL_INVSRCALPHA, GX_LO_NOOP);
77 GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_TEX_ST, GX_F32, 0);
78 GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0);
79
80 if (glyph > 0x7F) {
81 glyph = '?';
82 }
83 struct GUIFontGlyphMetric metric = defaultFontMetrics[glyph];
84 s16 tx = (glyph & 15) * CELL_WIDTH + metric.padding.left * 2;
85 s16 ty = (glyph >> 4) * CELL_HEIGHT + metric.padding.top * 2;
86 GX_Begin(GX_QUADS, GX_VTXFMT0, 4);
87 GX_Position2s16(x, y - GLYPH_HEIGHT + metric.padding.top * 2);
88 GX_Color1u32(color);
89 GX_TexCoord2f32(tx / 512.f, ty / 256.f);
90
91 GX_Position2s16(x + CELL_WIDTH - (metric.padding.left + metric.padding.right) * 2, y - GLYPH_HEIGHT + metric.padding.top * 2);
92 GX_Color1u32(color);
93 GX_TexCoord2f32((tx + CELL_WIDTH - (metric.padding.left + metric.padding.right) * 2) / 512.f, ty / 256.f);
94
95 GX_Position2s16(x + CELL_WIDTH - (metric.padding.left + metric.padding.right) * 2, y - GLYPH_HEIGHT + CELL_HEIGHT - metric.padding.bottom * 2);
96 GX_Color1u32(color);
97 GX_TexCoord2f32((tx + CELL_WIDTH - (metric.padding.left + metric.padding.right) * 2) / 512.f, (ty + CELL_HEIGHT - (metric.padding.top + metric.padding.bottom) * 2) / 256.f);
98
99 GX_Position2s16(x, y - GLYPH_HEIGHT + CELL_HEIGHT - metric.padding.bottom * 2);
100 GX_Color1u32(color);
101 GX_TexCoord2f32(tx / 512.f, (ty + CELL_HEIGHT - (metric.padding.top + metric.padding.bottom) * 2) / 256.f);
102 GX_End();
103}
104
105void GUIFontDrawIcon(const struct GUIFont* font, int x, int y, enum GUIAlignment align, enum GUIOrientation orient, uint32_t color, enum GUIIcon icon) {
106 if (icon >= GUI_ICON_MAX) {
107 return;
108 }
109
110 color = (color >> 24) | (color << 8);
111 GXTexObj tex;
112
113 struct GUIFont* ncfont = font;
114 TPL_GetTexture(&ncfont->iconsTdf, 0, &tex);
115 GX_LoadTexObj(&tex, GX_TEXMAP0);
116
117 GX_SetBlendMode(GX_BM_BLEND, GX_BL_SRCALPHA, GX_BL_INVSRCALPHA, GX_LO_NOOP);
118 GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_TEX_ST, GX_F32, 0);
119 GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0);
120
121 struct GUIIconMetric metric = defaultIconMetrics[icon];
122 switch (align & GUI_ALIGN_HCENTER) {
123 case GUI_ALIGN_HCENTER:
124 x -= metric.width;
125 break;
126 case GUI_ALIGN_RIGHT:
127 x -= metric.width * 2;
128 break;
129 }
130 switch (align & GUI_ALIGN_VCENTER) {
131 case GUI_ALIGN_VCENTER:
132 y -= metric.height;
133 break;
134 case GUI_ALIGN_BOTTOM:
135 y -= metric.height * 2;
136 break;
137 }
138
139 float u[4];
140 float v[4];
141
142 switch (orient) {
143 case GUI_ORIENT_0:
144 default:
145 // TODO: Rotations
146 u[0] = u[3] = metric.x / 256.f;
147 u[1] = u[2] = (metric.x + metric.width) / 256.f;
148 v[0] = v[1] = (metric.y + metric.height) / 64.f;
149 v[2] = v[3] = metric.y / 64.f;
150 break;
151 case GUI_ORIENT_HMIRROR:
152 u[0] = u[3] = (metric.x + metric.width) / 256.f;
153 u[1] = u[2] = metric.x / 256.f;
154 v[0] = v[1] = (metric.y + metric.height) / 64.f;
155 v[2] = v[3] = metric.y / 64.f;
156 break;
157 case GUI_ORIENT_VMIRROR:
158 u[0] = u[3] = metric.x / 256.f;
159 u[1] = u[2] = (metric.x + metric.width) / 256.f;
160 v[0] = v[1] = metric.y / 64.f;
161 v[2] = v[3] = (metric.y + metric.height) / 64.f;
162 break;
163 }
164
165 GX_Begin(GX_QUADS, GX_VTXFMT0, 4);
166 GX_Position2s16(x, y + metric.height * 2);
167 GX_Color1u32(color);
168 GX_TexCoord2f32(u[0], v[0]);
169
170 GX_Position2s16(x + metric.width * 2, y + metric.height * 2);
171 GX_Color1u32(color);
172 GX_TexCoord2f32(u[1], v[1]);
173
174 GX_Position2s16(x + metric.width * 2, y);
175 GX_Color1u32(color);
176 GX_TexCoord2f32(u[2], v[2]);
177
178 GX_Position2s16(x, y);
179 GX_Color1u32(color);
180 GX_TexCoord2f32(u[3], v[3]);
181 GX_End();
182}