Commit graph

9 commits

Author SHA1 Message Date
d8f04f85bc feat: FilledCircle primitive (v0.24.0)
- Add FilledCircleCommand in command.zig
- Implement drawFilledCircle using Midpoint Circle Algorithm (Bresenham)
- Integer-only arithmetic (efficient, no sqrt/trig)
- Scanline filling with horizontal symmetry
- Add commandBounds for dirty region optimization
- Update CHANGELOG with v0.23.0 (FilledTriangle) and v0.24.0 (FilledCircle)

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-30 13:29:57 +01:00
de56496803 feat: Añadir filledTriangle (rasterización scanline)
Nueva primitiva de dibujo para gráficos 3D:
- FilledTriangleCommand en command.zig
- Algoritmo scanline en software.zig
- Ordena vértices por Y, interpola bordes
- Soporta clipping correctamente

Base para logos 3D sólidos y widgets avanzados.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-30 00:51:46 +01:00
2dccddeab0 feat: Paridad Visual DVUI Fase 3 - Sombras y Gradientes
Nuevas capacidades de rendering:
- ShadowCommand: sombras multi-capa con blur simulado
  - Helpers: shadow(), shadowDrop(), shadowFloat()
  - Quadratic alpha falloff para bordes suaves
- GradientCommand: gradientes suaves pixel a pixel
  - Direcciones: vertical, horizontal, diagonal
  - Helpers: gradientV/H(), gradientButton(), gradientProgress()
  - Soporte esquinas redondeadas

Widgets actualizados:
- Panel/Modal: sombras en fancy mode
- Select/Menu: dropdown con sombra + rounded corners
- Tooltip/Toast: sombra sutil + rounded corners
- Button: gradiente 3D (lighten top, darken bottom)
- Progress: gradientes suaves vs 4 bandas

IMPORTANTE: Compila y pasa tests (370/370) pero NO probado visualmente

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-17 13:27:48 +01:00
364a7d963f feat: Paridad visual DVUI - RenderMode dual (simple/fancy)
Sistema de rendering dual para zcatgui:

Core:
- RenderMode enum (simple/fancy) en style.zig
- global_render_mode con helpers: isFancy(), setRenderMode()
- fillRoundedRect con edge-fade AA en framebuffer.zig (~350 LOC)
- Nuevos comandos: rounded_rect, rounded_rect_outline

Widgets actualizados:
- Button: corner_radius=4, usa roundedRect en fancy mode
- Panel: corner_radius=6, show_shadow=true, sombra offset 4px
- TextInput: corner_radius=3
- Select: corner_radius=3
- Modal: corner_radius=8, show_shadow=true, sombra offset 6px
  - Botones y input field del modal también redondeados

Técnica edge-fade (de DVUI):
- Anti-aliasing por gradiente alfa en bordes
- Sin supersampling, mínimo impacto en rendimiento
- Bordes suaves sin multisampling

+589 líneas, 9 archivos modificados

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-17 01:02:46 +01:00
a11e1ea842 feat: zcatgui v0.16.0 - TTF rasterization con antialiasing
Cambios:
- TTF rasterization completo con bezier curves
- Antialiasing via supersampling 2x
- Integración TTF en SoftwareRenderer (setTtfFont)
- Fix ArrayListUnmanaged para Zig 0.15.2
- Documentación REFERENCE.md actualizada

CLAUDE.md actualizado con v0.16.0 y historial.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-16 01:05:48 +01:00
e5ba9b178c feat(render): Add partial redraw support with dirty regions
Framebuffer:
- Add clearRect() for clearing specific rectangular regions

SoftwareRenderer:
- Add executeWithDirtyRegions() for optimized partial rendering
- Add clearRect() convenience method
- Add commandBounds() to extract bounding box from draw commands
- Add rectsIntersect() helper for intersection testing

This enables applications to:
1. Clear only dirty regions instead of full screen
2. Skip rendering commands outside dirty areas
3. Significantly reduce CPU when only small areas change

Usage: Pass dirty_regions from Context.getDirtyRects() to
executeWithDirtyRegions() instead of using clear()+executeAll().

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-10 12:12:21 +01:00
f7a7b48c2c docs: Documentar soporte UTF-8 en renderizado de texto
- REFERENCE.md: Nueva sección "UTF-8 Text Rendering" explicando:
  - Cómo funciona la decodificación UTF-8 → Latin-1
  - Caracteres soportados (ASCII + Latin-1 Supplement)
  - Por qué UTF-8 es el estándar correcto para BD/archivos
  - Ejemplo de uso con texto español

- software.zig: Doc comments explicando el sistema UTF-8

El renderer ahora maneja texto UTF-8 automáticamente,
permitiendo mostrar correctamente: ñ, á, é, í, ó, ú, ¿, ¡, €, etc.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-10 01:37:00 +01:00
2e1b627f11 fix(render): Decodificar UTF-8 correctamente en drawText
El renderer iteraba byte por byte, causando que caracteres UTF-8
multi-byte (como ñ, á, é) se mostraran incorrectamente.

Cambios:
- Decodificación completa de UTF-8 (1-4 bytes)
- Mapeo de codepoints a Latin-1 para renderizado
- Caracteres fuera de Latin-1 se muestran como '?'

Esto permite mostrar correctamente texto en español y otros
idiomas europeos que usan caracteres Latin-1.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-10 01:30:21 +01:00
59c597fc18 feat: zCatGui v0.1.0 - Initial project setup
Immediate Mode GUI library for Zig with software rendering.

Core features:
- SDL2 backend for cross-platform window/events
- Software rasterizer (works everywhere, including SSH)
- Macro recording system (cornerstone feature, like Vim)
- Command-list rendering (DrawRect, DrawText, etc.)
- Layout system with constraints
- Color/Style system with themes

Project structure:
- src/core/: context, command, input, layout, style
- src/macro/: MacroRecorder, MacroPlayer, MacroStorage
- src/render/: Framebuffer, SoftwareRenderer, Font
- src/backend/: Backend interface, SDL2 implementation
- examples/: hello.zig, macro_demo.zig
- docs/: Architecture, research (Gio, immediate-mode libs, Simifactu)

Build: zig build (requires SDL2-devel)
Tests: 16 tests passing

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-09 01:30:05 +01:00