image work, fix text wrapping

2025-10-27 00:30:07 -04:00
parent 2e48769109
commit 1ebe10dde7
5 changed files with 1096 additions and 21 deletions
--- a/testing/tests/27_object_position_tests.lua
+++ b/testing/tests/27_object_position_tests.lua
@@ -0,0 +1,184 @@
+local lu = require("testing.luaunit")
+local FlexLove = require("FlexLove")
+local ImageRenderer = FlexLove.ImageRenderer
+
+TestObjectPosition = {}
+
+-- ====================
+-- Position Parsing Tests
+-- ====================
+
+function TestObjectPosition:testCenterCenterDefault()
+  local x, y = ImageRenderer._parsePosition("center center")
+  lu.assertEquals(x, 0.5)
+  lu.assertEquals(y, 0.5)
+end
+
+function TestObjectPosition:testTopLeft()
+  local x, y = ImageRenderer._parsePosition("top left")
+  lu.assertEquals(x, 0)
+  lu.assertEquals(y, 0)
+end
+
+function TestObjectPosition:testBottomRight()
+  local x, y = ImageRenderer._parsePosition("bottom right")
+  lu.assertEquals(x, 1)
+  lu.assertEquals(y, 1)
+end
+
+function TestObjectPosition:testPercentage50()
+  local x, y = ImageRenderer._parsePosition("50% 50%")
+  lu.assertEquals(x, 0.5)
+  lu.assertEquals(y, 0.5)
+end
+
+function TestObjectPosition:testPercentage0()
+  local x, y = ImageRenderer._parsePosition("0% 0%")
+  lu.assertEquals(x, 0)
+  lu.assertEquals(y, 0)
+end
+
+function TestObjectPosition:testPercentage100()
+  local x, y = ImageRenderer._parsePosition("100% 100%")
+  lu.assertEquals(x, 1)
+  lu.assertEquals(y, 1)
+end
+
+function TestObjectPosition:testMixedKeywordPercentage()
+  local x, y = ImageRenderer._parsePosition("center 25%")
+  lu.assertEquals(x, 0.5)
+  lu.assertEquals(y, 0.25)
+end
+
+function TestObjectPosition:testSingleValueLeft()
+  local x, y = ImageRenderer._parsePosition("left")
+  lu.assertEquals(x, 0)
+  lu.assertEquals(y, 0.5) -- Should center on Y axis
+end
+
+function TestObjectPosition:testSingleValueTop()
+  local x, y = ImageRenderer._parsePosition("top")
+  lu.assertEquals(x, 0.5) -- Should center on X axis
+  lu.assertEquals(y, 0)
+end
+
+function TestObjectPosition:testInvalidPositionDefaultsToCenter()
+  local x, y = ImageRenderer._parsePosition("invalid position")
+  lu.assertEquals(x, 0.5)
+  lu.assertEquals(y, 0.5)
+end
+
+function TestObjectPosition:testNilPositionDefaultsToCenter()
+  local x, y = ImageRenderer._parsePosition(nil)
+  lu.assertEquals(x, 0.5)
+  lu.assertEquals(y, 0.5)
+end
+
+function TestObjectPosition:testEmptyStringDefaultsToCenter()
+  local x, y = ImageRenderer._parsePosition("")
+  lu.assertEquals(x, 0.5)
+  lu.assertEquals(y, 0.5)
+end
+
+-- ====================
+-- Position with Contain Mode Tests
+-- ====================
+
+function TestObjectPosition:testContainWithTopLeft()
+  local params = ImageRenderer.calculateFit(
+    400,
+    300, -- Image (landscape)
+    200,
+    200, -- Bounds (square)
+    "contain",
+    "top left"
+  )
+
+  -- Image should be in top-left of letterbox
+  lu.assertEquals(params.dx, 0)
+  lu.assertEquals(params.dy, 0)
+end
+
+function TestObjectPosition:testContainWithBottomRight()
+  local params = ImageRenderer.calculateFit(
+    400,
+    300, -- Image (landscape)
+    200,
+    200, -- Bounds (square)
+    "contain",
+    "bottom right"
+  )
+
+  -- Image should be in bottom-right of letterbox
+  lu.assertTrue(params.dx + params.dw <= 200)
+  lu.assertTrue(params.dy + params.dh <= 200)
+  -- Should be at the bottom right
+  lu.assertAlmostEquals(params.dx + params.dw, 200, 0.01)
+  lu.assertAlmostEquals(params.dy + params.dh, 200, 0.01)
+end
+
+function TestObjectPosition:testContainWithCenter()
+  local params = ImageRenderer.calculateFit(400, 300, 200, 200, "contain", "center center")
+
+  -- Image (400x300) will be scaled to fit width (200x150)
+  -- Should be centered horizontally (dx=0) and vertically (dy=25)
+  lu.assertEquals(params.dx, 0)
+  lu.assertTrue(params.dy > 0)
+end
+
+-- ====================
+-- Position with Cover Mode Tests
+-- ====================
+
+function TestObjectPosition:testCoverWithTopLeft()
+  local params = ImageRenderer.calculateFit(400, 300, 200, 200, "cover", "top left")
+
+  -- Crop should start from top-left
+  lu.assertEquals(params.sx, 0)
+  lu.assertEquals(params.sy, 0)
+end
+
+function TestObjectPosition:testCoverWithBottomRight()
+  local params = ImageRenderer.calculateFit(400, 300, 200, 200, "cover", "bottom right")
+
+  -- Crop should be from bottom-right
+  lu.assertTrue(params.sx > 0)
+  lu.assertTrue(params.sy >= 0)
+end
+
+function TestObjectPosition:testCoverWithCenter()
+  local params = ImageRenderer.calculateFit(400, 300, 200, 200, "cover", "center center")
+
+  -- Crop should be centered
+  lu.assertTrue(params.sx > 0)
+end
+
+-- ====================
+-- Position with None Mode Tests
+-- ====================
+
+function TestObjectPosition:testNoneWithTopLeft()
+  local params = ImageRenderer.calculateFit(100, 100, 200, 200, "none", "top left")
+
+  -- Image should be at top-left
+  lu.assertEquals(params.dx, 0)
+  lu.assertEquals(params.dy, 0)
+end
+
+function TestObjectPosition:testNoneWithBottomRight()
+  local params = ImageRenderer.calculateFit(100, 100, 200, 200, "none", "bottom right")
+
+  -- Image should be at bottom-right
+  lu.assertEquals(params.dx, 100) -- 200 - 100
+  lu.assertEquals(params.dy, 100) -- 200 - 100
+end
+
+function TestObjectPosition:testNoneWithCenter()
+  local params = ImageRenderer.calculateFit(100, 100, 200, 200, "none", "center center")
+
+  -- Image should be centered
+  lu.assertEquals(params.dx, 50) -- (200 - 100) / 2
+  lu.assertEquals(params.dy, 50) -- (200 - 100) / 2
+end
+
+lu.LuaUnit.run()