Reworking everything about shaders.

src/display/ui/label.c

@@ -0,0 +1,39 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "label.h"
+
+void labelInit(label_t *label) {
+  label->fontSize = FONT_SIZE_DEFAULT;
+  label->font = NULL;
+  label->maxWidth = -1;
+  label->primitive.verticeCount = 0;
+}
+
+void labelSetText(label_t *label, font_t *font, char *text) {
+  if(label->primitive.verticeCount != 0) {
+    primitiveDispose(&label->primitive);
+    label->primitive.verticeCount = 0;
+  }
+
+  label->font = font;
+  fontTextBuffer(
+    font, &label->primitive, &label->info, text,
+    label->maxWidth, label->fontSize
+  );
+}
+
+void labelRender(label_t *label, shaderprogram_t *shader, float x, float y) {
+  if(label->primitive.verticeCount == 0) return;
+  shaderUsePosition(shader, x,y,0, 0,0,0);
+  shaderUseTexture(shader, &label->font->texture);
+  primitiveDraw(&label->primitive, 0, -1);
+}
+
+void labelDispose(label_t *label) {
+  primitiveDispose(&label->primitive);
+}