svg: test foreground colors

Convert the ft-svg-render-palette test to a color test that test
both palettes and foreground colors.

test/cairo-svg-test-color.ttx

@@ -18,12 +18,12 @@
     <!-- Most of this table will be recalculated by the compiler -->
     <tableVersion value="1.0"/>
     <fontRevision value="1.0"/>
-    <checkSumAdjustment value="0x1b8ac35c"/>
+    <checkSumAdjustment value="0x1d3a9a74"/>
     <magicNumber value="0x5f0f3cf5"/>
     <flags value="00000000 00000011"/>
     <unitsPerEm value="1000"/>
     <created value="Wed Jun 15 00:00:00 2022"/>
-    <modified value="Fri Jan 27 07:13:15 2023"/>
+    <modified value="Fri Jan 27 08:44:23 2023"/>
     <xMin value="0"/>
     <yMin value="0"/>
     <xMax value="1000"/>
@@ -248,13 +248,13 @@
 
   <name>
     <namerecord nameID="1" platformID="3" platEncID="1" langID="0x409">
-      Cairo Svg Test Palette
+      Cairo Svg Test Color
     </namerecord>
     <namerecord nameID="2" platformID="3" platEncID="1" langID="0x409">
       Regular
     </namerecord>
     <namerecord nameID="4" platformID="3" platEncID="1" langID="0x409">
-      Cairo Svg Test Palette Regular
+      Cairo Svg Test Color Regular
     </namerecord>
   </name>
 

test/ft-svg-render-color.c

@@ -32,7 +32,7 @@
 #define WIDTH  (FONT_SIZE*8 + MARGIN*9)
 #define HEIGHT (FONT_SIZE*2 + MARGIN*3)
 
-#define FONT_FILE "cairo-svg-test-palette.ttf"
+#define FONT_FILE "cairo-svg-test-color.ttf"
 
 #define PALETTE_TEXT     "01"
 #define FOREGROUND_TEXT  "234567"
@@ -90,8 +90,8 @@ draw (cairo_t *cr, int width, int height)
     return CAIRO_TEST_SUCCESS;
 }
 
-CAIRO_TEST (ft_svg_render_palette,
-	    "Test cairo SVG font palettes",
+CAIRO_TEST (ft_svg_render_color,
+	    "Test cairo SVG font colors",
 	    "svgrender", /* keywords */
 	    NULL, /* requirements */
 	    WIDTH, HEIGHT,

test/meson.build

@@ -436,7 +436,7 @@ test_ft_svg_font_sources = [
 test_ft_svg_ttx_font_sources = [
   'ft-svg-cairo-logo.c',
   'ft-svg-render.c',
-  'ft-svg-render-palette.c'
+  'ft-svg-render-color.c'
 ]
 
 test_gl_sources = [
@@ -532,10 +532,10 @@ ps2png_sources = [
 
 test_ttx_fonts = [
   'cairo-logo-font.ttx',
+  'cairo-svg-test-color.ttx',
   'cairo-svg-test-doc.ttx',
   'cairo-svg-test-fill.ttx',
   'cairo-svg-test-gradient.ttx',
-  'cairo-svg-test-palette.ttx',
   'cairo-svg-test-path.ttx',
   'cairo-svg-test-shapes.ttx',
   'cairo-svg-test-stroke.ttx',

test/svg/color.2.foreground-solid.svg

@@ -0,0 +1,4 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg">
+  <rect x="100" y="-750" width="800" height="500"
+        fill="currentColor" />
+</svg>

test/svg/color.3.foreground-alpha.svg

@@ -0,0 +1,4 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg">
+  <rect x="100" y="-750" width="800" height="500"
+        fill="currentColor" fill-opacity="0.5"  />
+</svg>

test/svg/color.4.foreground-linear.svg

@@ -0,0 +1,10 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg">
+  <defs>
+    <linearGradient id="grad" x1="33%" x21="66%">
+      <stop offset="0%" stop-color="currentColor" stop-opacity="1" />
+      <stop offset="100%" stop-color="red" stop-opacity="1" />
+    </linearGradient>
+  </defs>
+  <rect x="100" y="-900" width="800" height="800" fill="url(#grad)" />
+</svg>
+

test/svg/color.5.foreground-linear-alpha.svg

@@ -0,0 +1,10 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg">
+  <defs>
+    <linearGradient id="grad" x1="33%" x21="66%">
+      <stop offset="0%" stop-color="currentColor" stop-opacity="0.3" />
+      <stop offset="100%" stop-color="red" stop-opacity="0.3" />
+    </linearGradient>
+  </defs>
+  <rect x="100" y="-900" width="800" height="800" fill="url(#grad)" />
+</svg>
+

test/svg/color.6.foreground-radial.svg

@@ -0,0 +1,10 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg">
+  <defs>
+    <radialGradient id="grad" cx="50%" cy="50%"
+                    fx="0.75" fy="0.35" r="0.5">
+      <stop offset="0%" stop-color="currentColor" stop-opacity="1" />
+      <stop offset="100%" stop-color="blue" stop-opacity="1" />
+    </radialGradient>
+  </defs>
+  <rect x="100" y="-900" width="800" height="800" fill="url(#grad)" />
+</svg>

test/svg/color.7.foreground-radial-alpha.svg

@@ -0,0 +1,10 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg">
+  <defs>
+    <radialGradient id="grad" cx="50%" cy="50%"
+                    fx="0.75" fy="0.35" r="0.5">
+      <stop offset="0%" stop-color="currentColor" stop-opacity="0.5" />
+      <stop offset="100%" stop-color="blue" stop-opacity="0.5" />
+    </radialGradient>
+  </defs>
+  <rect x="100" y="-900" width="800" height="800" fill="url(#grad)" />
+</svg>