From 3e9c8aec1ef9a531afd79d0fc4d5a56d59076195 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sat, 27 Jan 2024 10:52:18 +0000
Subject: Add text to framebuffer rendering test

---
 test/test-text.cpp | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

(limited to 'test/test-text.cpp')

diff --git a/test/test-text.cpp b/test/test-text.cpp
index 166a6fa..b540b5a 100644
--- a/test/test-text.cpp
+++ b/test/test-text.cpp
@@ -6,10 +6,12 @@
 #include <stream_support.h>
 
 #include "testMainWindow.h"
+#include "testRenderOutput.h"
 #include "ui/applicationBase.h"
+#include "ui/text.h"
 #include <array>
+#include <gfx/models/texture.h>
 #include <glm/glm.hpp>
-#include <span>
 #include <ui/font.h>
 #include <unicode.h>
 #include <vector>
@@ -86,7 +88,7 @@ BOOST_DATA_TEST_CASE(initialize_chardata_A,
 static_assert(glm::vec2 {862, 0} / glm::vec2 {2048, 64} == glm::vec2 {0.4208984375, 0});
 static_assert(glm::vec2 {866, 35} / glm::vec2 {2048, 64} == glm::vec2 {0.4228515625, 0.546875});
 
-BOOST_AUTO_TEST_CASE(render_text)
+BOOST_AUTO_TEST_CASE(render_font)
 {
 	constexpr std::string_view text {"I Like Trains"};
 	const auto spaces = static_cast<std::size_t>(std::count_if(text.begin(), text.end(), isspace));
@@ -112,6 +114,19 @@ BOOST_AUTO_TEST_CASE(render_text)
 	}
 }
 
+BOOST_AUTO_TEST_CASE(render_text)
+{
+	TestRenderOutput output;
+	glBindFramebuffer(GL_FRAMEBUFFER, output.output);
+	glViewport(0, 0, 640, 480);
+	glEnable(GL_BLEND);
+	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+	Text t {"I Like Trains", *this, {{0, 0}, {200, 40}}, {1, 1, 1}};
+	UIShader s {640, 480};
+	t.render(s, {{200, 200}, {200, 100}});
+	Texture::save(output.outImage, "/tmp/text.tga");
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 BOOST_AUTO_TEST_CASE(stream_vec)
-- 
cgit v1.2.3


From 264640420882ceeafd9b1149eba9472cf8835e7b Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sat, 27 Jan 2024 21:47:04 +0000
Subject: Render text in N draw calls

Creates a single buffer per required texture and draws the whole buffer in one go. It does
introduce the use of deprecated GL_QUADS primitive, but it's the easiest way to go without
needing indices, repeated vertices etc
---
 test/test-text.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'test/test-text.cpp')

diff --git a/test/test-text.cpp b/test/test-text.cpp
index b540b5a..f652670 100644
--- a/test/test-text.cpp
+++ b/test/test-text.cpp
@@ -121,9 +121,9 @@ BOOST_AUTO_TEST_CASE(render_text)
 	glViewport(0, 0, 640, 480);
 	glEnable(GL_BLEND);
 	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-	Text t {"I Like Trains", *this, {{0, 0}, {200, 40}}, {1, 1, 1}};
+	Text t {"I Like Trains", *this, {{10, 10}, {200, 40}}, {1, 1, 1}};
 	UIShader s {640, 480};
-	t.render(s, {{200, 200}, {200, 100}});
+	t.render(s, {});
 	Texture::save(output.outImage, "/tmp/text.tga");
 }
 
-- 
cgit v1.2.3