add theme.[hc] and refactor draw.c

1 files changed, 71 insertions, 0 deletions

diff --git a/src/sdl/theme.c b/src/sdl/theme.c
new file mode 100644
index 0000000..93b7950
--- /dev/null
+++ b/src/sdl/theme.c
@@ -0,0 +1,71 @@
+#include "util.h"
+#include "theme.h"
+
+static const theme_t
+DEFAULT_THEME = {
+  .text_styles = {{
+    .align  = TEXT_ALIGN_TOP_CENTER,
+    .pad    = { 0, 10 },
+    .colors = {
+      { 0xff, 0xff, 0xff, 0xff },
+      { 0x00, 0x00, 0x00, 0xff },
+    },
+  }, {
+    .align  = TEXT_ALIGN_BOTTOM_LEFT,
+    .pad    = { 10, 10 },
+    .colors = {
+      { 0xff, 0xff, 0xff, 0xff },
+      { 0x00, 0x00, 0x00, 0xff },
+    },
+  }, {
+    .align  = TEXT_ALIGN_BOTTOM_RIGHT,
+    .pad    = { 10, 10 },
+    .colors = {
+      { 0xff, 0xff, 0xff, 0xff },
+      { 0x00, 0x00, 0x00, 0xff },
+    },
+  }},
+
+  .bg_styles = {{
+    // normal style
+    .r = { .base = 0x00 },
+    .g = { .base = 0x00 },
+    .b = { .base = 0x00 },
+    .a = { .base = 0xFF },
+  }, {
+    // won style
+    .r = { .base = 0x66, .scale = 0x33, .phase = 1000, .period = 2000 },
+    .g = { .base = 0x66, .scale = 0x33, .phase = 3000, .period = 5000 },
+    .b = { .base = 0x66, .scale = 0x33, .phase = 5000, .period = 7000 },
+    .a = { .base = 0xFF },
+  }},
+};
+
+const theme_t *
+theme_get_default(void) {
+  return &DEFAULT_THEME;
+}
+
+const text_style_t *
+theme_get_text_style(
+  const theme_t * const theme,
+  const text_style_id_t id
+) {
+  if (id >= TEXT_STYLE_LAST) {
+    die("invalid text style ID");
+  }
+  return theme->text_styles + id;
+}
+
+const bg_style_t *
+theme_get_bg_style(
+  const theme_t * const theme,
+  const bg_style_id_t id
+) {
+  if (id >= BG_STYLE_LAST) {
+    die("invalid BG style ID");
+  }
+
+  return theme->bg_styles + id;
+}
+