combine text handling stuff into a class

[blank.git] / src / graphics / render.cpp

diff --git a/src/graphics/render.cpp b/src/graphics/render.cpp
index 1dc9b2be4e47646efe11806581dcff23db58feba..1a6d1abd80c124e7367969b863b84771ffc6b40b 100644 (file)
--- a/src/graphics/render.cpp
+++ b/src/graphics/render.cpp
@@ -1,6 +1,9 @@
+#include "BlendedSprite.hpp"
 #include "Font.hpp"
 #include "Format.hpp"
+#include "Text.hpp"
 #include "Texture.hpp"
+#include "Viewport.hpp"
 
 #include <algorithm>
 #include <cstring>
@@ -155,6 +158,45 @@ void Format::ReadPixelFormat(const SDL_PixelFormat &fmt) {
 }
 
 
+Text::Text() noexcept
+: tex()
+, sprite()
+, bg(1.0f, 1.0f, 1.0f, 0.0f)
+, fg(1.0f, 1.0f, 1.0f, 1.0f)
+, size(0.0f)
+, pos(0.0f)
+, grav(Gravity::NORTH_WEST)
+, pivot(Gravity::NORTH_WEST)
+, dirty(false)
+, visible(false) {
+
+}
+
+void Text::Set(const Font &font, const char *text) {
+       font.Render(text, tex);
+       size = font.TextSize(text);
+       dirty = true;
+}
+
+void Text::Update() {
+       sprite.LoadRect(size.x, size.y, align(pivot, size));
+       dirty = false;
+}
+
+void Text::Render(Viewport &viewport) noexcept {
+       if (dirty) {
+               Update();
+       }
+       BlendedSprite &prog = viewport.SpriteProgram();
+       viewport.SetCursor(pos, grav);
+       prog.SetM(viewport.Cursor());
+       prog.SetTexture(tex);
+       prog.SetBG(bg);
+       prog.SetFG(fg);
+       sprite.Draw();
+}
+
+
 Texture::Texture()
 : handle(0)
 , width(0)