Merge branch 'master' of github.com:littlevgl/lvgl

.github/ISSUE_TEMPLATE/bug-report.md

@@ -7,6 +7,8 @@ assignees: ''
 
 ---
 
+> # Important: issues that don't use this template will be ignored/closed.
+
 **Describe the bug**
 
 A clear and concise description of what the bug is.

library.json

@@ -0,0 +1,13 @@
+{
+    "name": "lvgl",
+    "keywords": "graphics, gui, embedded, littlevgl",
+    "description": "Graphics library to create embedded GUI with easy-to-use graphical elements, beautiful visual effects and low memory footprint. It offers anti-aliasing, opacity, and animations using only one frame buffer.",
+    "repository":
+    {
+        "type": "git",
+        "url": "https://github.com/littlevgl/lvgl.git"
+    },
+    "build": {
+        "includeDir": "."
+    }
+}

porting/lv_port_disp_template.c

@@ -163,7 +163,6 @@ static void disp_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_colo
 static void gpu_blend(lv_disp_drv_t * disp_drv, lv_color_t * dest, const lv_color_t * src, uint32_t length, lv_opa_t opa)
 {
     /*It's an example code which should be done by your GPU*/
-
     uint32_t i;
     for(i = 0; i < length; i++) {
         dest[i] = lv_color_mix(dest[i], src[i], opa);
@@ -185,12 +184,6 @@ static void gpu_fill_cb(lv_disp_drv_t * disp_drv, lv_color_t * dest_buf, lv_coor
         }
         dest_buf+=dest_width;    /*Go to the next line*/
     }
-
-
-    uint32_t i;
-    for(i = 0; i < length; i++) {
-        dest[i] = color;
-    }
 }
 
 #endif  /*LV_USE_GPU*/

src/lv_draw/lv_draw_label.c

@@ -91,7 +91,7 @@ void lv_draw_label(const lv_area_t * coords, const lv_area_t * mask, const lv_st
     int32_t last_line_start = -1;
 
     /*Check the hint to use the cached info*/
-    if(hint && y_ofs == 0) {
+    if(hint && y_ofs == 0 && coords->y1 < 0) {
         /*If the label changed too much recalculate the hint.*/
         if(LV_MATH_ABS(hint->coord_y - coords->y1) > LV_LABEL_HINT_UPDATE_TH - 2 * line_height) {
             hint->line_start = -1;

src/lv_draw/lv_draw_line.c

@@ -263,7 +263,8 @@ static void line_draw_skew(line_draw_t * main_line, bool dir_ori, const lv_area_
     /* The pattern stores the points of the line ending. It has the good direction and length.
      * The worth case is the 45° line where pattern can have 1.41 x `width` points*/
 
-    lv_point_t * pattern = lv_draw_get_buf(width * 2 * sizeof(lv_point_t));
+    lv_coord_t pattern_size = width * 2;
+    lv_point_t * pattern = lv_draw_get_buf(pattern_size * sizeof(lv_point_t));
     lv_coord_t i = 0;
 
     /*Create a perpendicular pattern (a small line)*/
@@ -274,7 +275,7 @@ static void line_draw_skew(line_draw_t * main_line, bool dir_ori, const lv_area_
 
         uint32_t width_sqr = width * width;
         /* Run for a lot of times. Meanwhile the real width will be determined as well */
-        for(i = 0; i < (lv_coord_t)sizeof(pattern); i++) {
+        for(i = 0; i < (lv_coord_t)pattern_size - 1; i++) {
             pattern[i].x = pattern_line.p_act.x;
             pattern[i].y = pattern_line.p_act.y;
 

src/lv_font/lv_font_fmt_txt.c

@@ -113,7 +113,7 @@ static uint32_t get_glyph_dsc_id(const lv_font_t * font, uint32_t letter)
 
     lv_font_fmt_txt_dsc_t * fdsc = (lv_font_fmt_txt_dsc_t *) font->dsc;
 
-    /*Check the chacge first*/
+    /*Check the cache first*/
     if(letter == fdsc->last_letter) return fdsc->last_glyph_id;
 
     uint16_t i;

src/lv_font/lv_font_fmt_txt.h

@@ -102,7 +102,7 @@ typedef struct {
         glyph_id = glyph_id_start + glyph_id_ofs_list[search(unicode_list, rcp)]
     */
 
-    uint16_t * unicode_list;
+    const uint16_t * unicode_list;
 
     /** if(type == LV_FONT_FMT_TXT_CMAP_FORMAT0_...) it's `uint8_t *`
      * if(type == LV_FONT_FMT_TXT_CMAP_SPARSE_...)  it's `uint16_t *`

src/lv_font/lv_font_unscii_8.c

@@ -311,7 +311,7 @@ static LV_ATTRIBUTE_LARGE_CONST const uint8_t gylph_bitmap[] = {
  *  GLYPH DESCRIPTION
  *--------------------*/
 
-static lv_font_fmt_txt_glyph_dsc_t glyph_dsc[] = {
+static  lv_font_fmt_txt_glyph_dsc_t glyph_dsc[] = {
     {.bitmap_index = 0, .adv_w = 0, .box_h = 0, .box_w = 0, .ofs_x = 0, .ofs_y = 0} /* id = 0 reserved */,
     {.bitmap_index = 0, .adv_w = 128, .box_h = 0, .box_w = 0, .ofs_x = 0, .ofs_y = 0},
     {.bitmap_index = 0, .adv_w = 128, .box_h = 7, .box_w = 1, .ofs_x = 3, .ofs_y = -1},

src/lv_objx/lv_label.c

@@ -97,9 +97,11 @@ lv_obj_t * lv_label_create(lv_obj_t * par, const lv_obj_t * copy)
     ext->offset.x = 0;
     ext->offset.y = 0;
 
+#if LV_LABEL_LONG_TXT_HINT
     ext->hint.line_start = -1;
     ext->hint.coord_y    = 0;
     ext->hint.y          = 0;
+#endif
 
 #if LV_LABEL_TEXT_SEL
     ext->txt_sel_start = LV_LABEL_TEXT_SEL_OFF;
@@ -860,13 +862,18 @@ static bool lv_label_design(lv_obj_t * label, const lv_area_t * mask, lv_design_
                 flag &= ~LV_TXT_FLAG_CENTER;
             }
         }
-
+#if LV_LABEL_LONG_TXT_HINT
         lv_draw_label_hint_t * hint = &ext->hint;
         if(ext->long_mode == LV_LABEL_LONG_SROLL_CIRC || lv_obj_get_height(label) < LV_LABEL_HINT_HEIGHT_LIMIT)
             hint = NULL;
 
+#else
+        /*Just for compatibility*/
+        lv_draw_label_hint_t * hint = NULL;
+#endif
         lv_draw_label(&coords, mask, style, opa_scale, ext->text, flag, &ext->offset,
-                      lv_label_get_text_sel_start(label), lv_label_get_text_sel_end(label), hint);
+                              lv_label_get_text_sel_start(label), lv_label_get_text_sel_end(label), hint);
+
 
         if(ext->long_mode == LV_LABEL_LONG_SROLL_CIRC) {
             lv_point_t size;
@@ -960,8 +967,9 @@ static void lv_label_refr_text(lv_obj_t * label)
     lv_label_ext_t * ext = lv_obj_get_ext_attr(label);
 
     if(ext->text == NULL) return;
-
+#if LV_LABEL_LONG_TXT_HINT
     ext->hint.line_start = -1; /*The hint is invalid if the text changes*/
+#endif
 
     lv_coord_t max_w         = lv_obj_get_width(label);
     const lv_style_t * style = lv_obj_get_style(label);

src/lv_objx/lv_label.h

@@ -72,8 +72,10 @@ typedef struct
     } dot;
     uint16_t dot_end;  /*The text end position in dot mode (Handled by the library)*/
     lv_point_t offset; /*Text draw position offset*/
-
+#if LV_LABEL_LONG_TXT_HINT
     lv_draw_label_hint_t hint; /*Used to buffer info about large text*/
+#endif
+
 #if LV_USE_ANIMATION
     uint16_t anim_speed; /*Speed of scroll and roll animation in px/sec unit*/
 #endif

src/lv_themes/lv_theme_material.c

@@ -830,11 +830,10 @@ static void style_mod(lv_group_t * group, lv_style_t * style)
 
 static void style_mod_edit(lv_group_t * group, lv_style_t * style)
 {
-
-    uint16_t hue2 = (_hue + 300) % 360;
-
     (void)group; /*Unused*/
 #if LV_COLOR_DEPTH != 1
+    uint16_t hue2 = (_hue + 300) % 360;
+
     /*Make the style to be a little bit orange*/
     style->body.border.opa   = LV_OPA_COVER;
     style->body.border.color = LV_COLOR_GREEN;