From 847962910f0bff071f3bf07c9abb87764fb6cac3 Mon Sep 17 00:00:00 2001
From: claude-bot <claude@ancap.in.ua>
Date: Mon, 13 Jul 2026 12:40:03 +0000
Subject: Import aap/librw @ master

Snapshot for re3/reVC vendoring, per @lzcnt.
Source: https://github.com/aap/librw (master).
---
 tools/im2d/im2d.cpp | 134 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 tools/im2d/im2d.cpp

(limited to 'tools/im2d/im2d.cpp')

diff --git a/tools/im2d/im2d.cpp b/tools/im2d/im2d.cpp
new file mode 100644
index 0000000..da4c084
--- /dev/null
+++ b/tools/im2d/im2d.cpp
@@ -0,0 +1,134 @@
+#include <rw.h>
+#include <skeleton.h>
+
+#include "im2d.h"
+
+bool Im2DColored = true;
+bool Im2DTextured;
+
+rw::int32 Im2DPrimType;
+
+rw::V2d ScreenSize;
+float Scale;
+
+rw::RGBA SolidWhite = {255, 255, 255, 255};
+rw::RGBA SolidBlack = {0, 0, 0, 255};
+rw::RGBA SolidRed = {200, 64, 64, 255};
+rw::RGBA SolidGreen = {64, 200, 64, 255};
+rw::RGBA SolidBlue = {64, 64, 200, 255};
+rw::RGBA SolidYellow = {200, 200, 64, 255};
+rw::RGBA SolidPurple = {200, 64, 200, 255};
+rw::RGBA SolidCyan = {64, 200, 200, 255};
+
+rw::Texture *Im2DTexture;
+
+void
+Im2DInitialize(rw::Camera *camera)
+{
+	ScreenSize.x = camera->frameBuffer->width;
+	ScreenSize.y = camera->frameBuffer->height;
+
+	Scale = ScreenSize.y / 3.0f;
+
+	rw::Image::setSearchPath("files/");
+	Im2DTexture = rw::Texture::read("whiteash", nil);
+
+	LineListCreate(camera);
+	LineListSetColor(!Im2DColored);
+
+	IndexedLineListCreate(camera);
+	IndexedLineListSetColor(!Im2DColored);
+
+	PolyLineCreate(camera);
+	PolyLineSetColor(!Im2DColored);
+
+	IndexedPolyLineCreate(camera);
+	IndexedPolyLineSetColor(!Im2DColored);
+
+	TriListCreate(camera);
+	TriListSetColor(!Im2DColored);
+
+	IndexedTriListCreate(camera);
+	IndexedTriListSetColor(!Im2DColored);
+
+	TriStripCreate(camera);
+	TriStripSetColor(!Im2DColored);
+
+	IndexedTriStripCreate(camera);
+	IndexedTriStripSetColor(!Im2DColored);
+
+	TriFanCreate(camera);
+	TriFanSetColor(!Im2DColored);
+
+	IndexedTriFanCreate(camera);
+	IndexedTriFanSetColor(!Im2DColored);
+}
+
+void
+Im2DTerminate(void)
+{
+	if(Im2DTexture){
+		Im2DTexture->destroy();
+		Im2DTexture = nil;
+	}
+}
+
+void
+Im2DRender(void)
+{
+	rw::SetRenderState(rw::ZTESTENABLE, 0);
+	rw::SetRenderState(rw::ZWRITEENABLE, 0);
+	rw::SetRenderState(rw::SRCBLEND, rw::BLENDSRCALPHA);
+	rw::SetRenderState(rw::DESTBLEND, rw::BLENDINVSRCALPHA);
+	rw::SetRenderState(rw::TEXTUREFILTER, rw::Texture::FilterMode::LINEAR);
+
+	if(Im2DTextured)
+		rw::SetRenderStatePtr(rw::TEXTURERASTER, Im2DTexture->raster);
+	else
+		rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
+
+	switch(Im2DPrimType){
+	case 0: LineListRender(); break;
+	case 1: IndexedLineListRender(); break;
+	case 2: PolyLineRender(); break;
+	case 3: IndexedPolyLineRender(); break;
+	case 4: TriListRender(); break;
+	case 5: IndexedTriListRender(); break;
+	case 6: TriStripRender(); break;
+	case 7: IndexedTriStripRender(); break;
+	case 8: TriFanRender(); break;
+	case 9: IndexedTriFanRender(); break;
+	}
+}
+
+void
+Im2DSize(rw::Camera *camera, rw::int32 w, rw::int32 h)
+{
+	ScreenSize.x = w;
+	ScreenSize.y = h;
+
+	if(ScreenSize.x > ScreenSize.y)
+		Scale = ScreenSize.y / 3.0f;
+	else
+		Scale = ScreenSize.x / 3.0f;
+
+	LineListCreate(camera);
+
+	IndexedLineListCreate(camera);
+
+	PolyLineCreate(camera);
+
+	IndexedPolyLineCreate(camera);
+
+	TriListCreate(camera);
+
+	IndexedTriListCreate(camera);
+
+	TriStripCreate(camera);
+
+	IndexedTriStripCreate(camera);
+
+	TriFanCreate(camera);
+
+	IndexedTriFanCreate(camera);
+}
-- 
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