lv_canvas_fill_bg(canvas, LV_COLOR_BLUE, LV_OPA_50)fills the whole canvas to blue with 50% opacity. Note that if the current color format doesn’t support colors (e.g.LV_IMG_CF_ALPHA_2BIT) the color will be ignored. Similarly, if opacity is not supported (e.g.LV_IMG_CF_TRUE_...
@@ -432,6 +430,3 @@ const lv_img_dsc_t img_benchmark_cogwheel_argb = { .header.cf = LV_IMG_CF_TRUE_COLOR_ALPHA, .data = img_benchmark_cogwheel_argb_map, }; #endif 5 changes: 0 additions & 5 deletions 5 examples/LVGL/LvglBenchmark/img_benchmark_cogwheel_chroma_keyed.c Or...
.header.cf = LV_IMG_CF_TRUE_COLOR_ALPHA, .data_size = 280 * LV_COLOR_FORMAT_NATIVE_ALPHA_SIZE, .header.cf = LV_COLOR_FORMAT_NATIVE_ALPHA, .data = mouse_cursor_icon_map, }; 67 changes: 12 additions & 55 deletions 67 src/engine/hal/simulator/simulator.cpp @@ -1,67 +1,24 @...
77LV_IMG_CF_RAW_ALPHA, 79LV_IMG_CF_RAW_CHROMA_KEYED, 82LV_IMG_CF_TRUE_COLOR, 83LV_IMG_CF_TRUE_COLOR_ALPHA, 84LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED, 87LV_IMG_CF_INDEXED_1BIT, 88LV_IMG_CF_INDEXED_2BIT, 89LV_IMG_CF_INDEXED_4BIT, ...
The quality of the transformation can be adjusted withlv_img_set_antialias(img, true/false). With enabled anti-aliasing the transformations are higher quality but slower. The transformations require the whole image to be available. Therefore indexed images (LV_IMG_CF_INDEXED_...), alpha only ...
LV_IMG_CF_RAW_ALPHA Contains the file as it is. The image has alpha. Needs custom decoder function LV_IMG_CF_RAW_CHROMA_KEYED Contains the file as it is. The image is chroma keyed. Needs custom decoder function LV_IMG_CF_TRUE_COLOR ...
"tools/skiaserve/urlhandlers/ColorModeHandler.cpp", "tools/skiaserve/urlhandlers/DataHandler.cpp", "tools/skiaserve/urlhandlers/DownloadHandler.cpp", "tools/skiaserve/urlhandlers/EnableGPUHandler.cpp", "tools/skiaserve/urlhandlers/ImgHandler.cpp", "tools/skiaserve/urlhandlers/InfoHandler.cpp...
imagecolorexactalpha( resource $image, int $red, int $green, int $blue, int $alpha): int 返回图像调色板中指定颜色加透明度的索引值。 参数 image 由图象创建函数(例如imagecreatetruecolor())返回的 GdImage 对象。 red 红色成分的值。 green 绿色成分的值。 blue 蓝色成分的值。 alpha A value betwe...
} return true;}?>up down -1 wheberson dot com dot br at gmail dot com ¶ 5 years ago // Convert e-mail to image (png)function convertEmailToImg ($aValue, $aRed, $aGreen, $aBlue, $aAlphaF=0, $aAlphaB=127, $aFontSize=4){ $img= imagecreatetruecolor (imagefontwidth...
TRUE if truecolor alpha blending (32-bit color) is disabled. static BOOL m_bDisableTrueColorAlpha; Remarks Set this member variable to FALSE to enable truecolor alpha-blending for toolbar images. The default value is TRUE for backward compatibility. ...