2 Commits

Author	SHA1	Message	Date
cottongin	61fb11cae3	feat: Add PNG cover image support for EPUB books (#827) ... Cherry-pick upstream PR #827 with conflict resolution for mod/master: - Add PngToBmpConverter library for PNG cover → BMP conversion - Add PNG thumbnail generation in generateThumbBmp() - Fix generateCoverBmp() PNG block to use effectiveCoverImageHref (consistent with mod's fallback cover candidate probing) - Add .png to getCoverCandidates() extensions - Use LOG_ERR macro in ImageToFramebufferDecoder (mod standard) - Upstream image converter refinements (ImageBlock, PixelCache, JpegToFramebufferConverter, PngToFramebufferConverter) Co-authored-by: Cursor <cursoragent@cursor.com>	2026-02-16 17:04:33 -05:00
cottongin	19004eefaa	feat: Add EPUB embedded image support (JPEG/PNG) ... Cherry-pick merge from pablohc/crosspoint-reader@2d8cbcf, based on upstream PR #556 by martinbrook with pablohc's refresh optimization. - Add JPEG decoder (picojpeg) and PNG decoder (PNGdec) with 4-level grayscale Bayer dithering for e-ink display - Add pixel caching system (.pxc files) for fast image re-rendering - Integrate image extraction from EPUB HTML parser (<img> tag support) - Add ImageBlock/PageImage types with serialization support - Add image-aware refresh optimization (double FAST_REFRESH technique) - Add experimental displayWindow() partial refresh support - Bump section cache version 12->13 to invalidate stale caches - Resolve TAG_PageImage=3 to avoid conflict with mod's TAG_PageTableRow=2 Co-authored-by: Cursor <cursoragent@cursor.com>	2026-02-15 17:29:39 -05:00