Merge branch 'pull-request/1845' into PHP-5.6

This commit is contained in:
Christoph M. Becker 2016-09-20 01:05:57 +02:00
commit fc2cadca2d
6 changed files with 194 additions and 78 deletions

View File

@ -3854,7 +3854,7 @@ static void php_imagettftext_common(INTERNAL_FUNCTION_PARAMETERS, int mode, int
{
zval *IM, *EXT = NULL;
gdImagePtr im=NULL;
long col = -1, x = -1, y = -1;
long col = -1, x = 0, y = 0;
int str_len, fontname_len, i, brect[8];
double ptsize, angle;
char *str = NULL, *fontname = NULL;

View File

@ -750,9 +750,9 @@ static char * gdft_draw_bitmap (gdCache_head_t *tc_cache, gdImage * im, int fg,
}
static int
gdroundupdown (FT_F26Dot6 v1, int updown)
gdroundupdown (FT_F26Dot6 v1, int roundup)
{
return (!updown) ? (v1 < 0 ? ((v1 - 63) >> 6) : v1 >> 6) : (v1 > 0 ? ((v1 + 63) >> 6) : v1 >> 6);
return (!roundup) ? v1 >> 6 : (v1 + 63) >> 6;
}
void gdFontCacheShutdown()
@ -822,8 +822,6 @@ gdImageStringFTEx (gdImage * im, int *brect, int fg, char *fontlist, double ptsi
double cos_a = cos (angle);
int len, i = 0, ch;
int x1 = 0, y1 = 0;
int xb = x, yb = y;
int yd = 0;
font_t *font;
fontkey_t fontkey;
char *next;
@ -984,9 +982,6 @@ gdImageStringFTEx (gdImage * im, int *brect, int fg, char *fontlist, double ptsi
penf.y = (penf.y - 32) & -64; /* round to next pixel row */
x1 = (int)(- penf.y * sin_a + 32) / 64;
y1 = (int)(- penf.y * cos_a + 32) / 64;
xb = x + x1;
yb = y + y1;
yd = 0;
pen.x = pen.y = 0;
previous = 0; /* clear kerning flag */
continue;
@ -1076,23 +1071,32 @@ gdImageStringFTEx (gdImage * im, int *brect, int fg, char *fontlist, double ptsi
/* retrieve kerning distance and move pen position */
if (use_kerning && previous && glyph_index) {
FT_Get_Kerning(face, previous, glyph_index, ft_kerning_default, &delta);
pen.x += delta.x;
pen.x += (int)(delta.x * cos_a);
pen.y -= (int)(delta.x * sin_a);
penf.x += delta.x;
}
/* load glyph image into the slot (erase previous one) */
if (FT_Load_Glyph(face, glyph_index, render_mode)) {
if (tmpstr) {
gdFree(tmpstr);
}
gdCacheDelete(tc_cache);
gdMutexUnlock(gdFontCacheMutex);
return "Problem loading glyph";
}
/* transform glyph image */
FT_Get_Glyph(slot, &image);
if (brect) { /* only if need brect */
/* load glyph image into the slot (erase previous one) */
if (FT_Load_Glyph(face, glyph_index, render_mode | FT_LOAD_IGNORE_TRANSFORM)) {
if (tmpstr) {
gdFree(tmpstr);
}
gdCacheDelete(tc_cache);
gdMutexUnlock(gdFontCacheMutex);
return "Problem loading glyph";
}
/* transform glyph image */
if (FT_Get_Glyph(slot, &image)) {
if (tmpstr) {
gdFree(tmpstr);
}
gdCacheDelete(tc_cache);
gdMutexUnlock(gdFontCacheMutex);
return "Problem loading glyph";
}
FT_Glyph_Get_CBox(image, ft_glyph_bbox_gridfit, &glyph_bbox);
glyph_bbox.xMin += penf.x;
glyph_bbox.yMin += penf.y;
@ -1102,17 +1106,11 @@ gdImageStringFTEx (gdImage * im, int *brect, int fg, char *fontlist, double ptsi
glyph_bbox.xMax += slot->metrics.horiAdvance;
}
if (!i) { /* if first character, init BB corner values */
yd = slot->metrics.height - slot->metrics.horiBearingY;
bbox.xMin = glyph_bbox.xMin;
bbox.yMin = glyph_bbox.yMin;
bbox.xMax = glyph_bbox.xMax;
bbox.yMax = glyph_bbox.yMax;
} else {
FT_Pos desc;
if ( (desc = (slot->metrics.height - slot->metrics.horiBearingY)) > yd) {
yd = desc;
}
if (bbox.xMin > glyph_bbox.xMin) {
bbox.xMin = glyph_bbox.xMin;
}
@ -1129,7 +1127,35 @@ gdImageStringFTEx (gdImage * im, int *brect, int fg, char *fontlist, double ptsi
i++;
}
/* increment (unrotated) pen position */
penf.x += slot->metrics.horiAdvance;
if (render) {
if (!brect || angle != 0) {
/* reload the rotated glyph (for bbox we needed FT_LOAD_IGNORE_TRANSFORM - bbox is rotated later) */
FT_Done_Glyph(image);
/* load glyph image into the slot (erase previous one) */
if (FT_Load_Glyph(face, glyph_index, render_mode)) {
if (tmpstr) {
gdFree(tmpstr);
}
gdCacheDelete(tc_cache);
gdMutexUnlock(gdFontCacheMutex);
return "Problem loading glyph";
}
/* transform glyph image */
if (FT_Get_Glyph(slot, &image)) {
if (tmpstr) {
gdFree(tmpstr);
}
gdCacheDelete(tc_cache);
gdMutexUnlock(gdFontCacheMutex);
return "Problem loading glyph";
}
}
if (image->format != ft_glyph_format_bitmap && FT_Glyph_To_Bitmap(&image, ft_render_mode_normal, 0, 1)) {
FT_Done_Glyph(image);
if (tmpstr) {
@ -1152,8 +1178,6 @@ gdImageStringFTEx (gdImage * im, int *brect, int fg, char *fontlist, double ptsi
pen.x += image->advance.x >> 10;
pen.y -= image->advance.y >> 10;
penf.x += slot->metrics.horiAdvance;
FT_Done_Glyph(image);
}
@ -1162,36 +1186,25 @@ gdImageStringFTEx (gdImage * im, int *brect, int fg, char *fontlist, double ptsi
double d1 = sin (angle + 0.78539816339744830962);
double d2 = sin (angle - 0.78539816339744830962);
/* make the center of rotation at (0, 0) */
FT_BBox normbox;
normbox.xMin = 0;
normbox.yMin = 0;
normbox.xMax = bbox.xMax - bbox.xMin;
normbox.yMax = bbox.yMax - bbox.yMin;
brect[0] = brect[2] = brect[4] = brect[6] = (int) (yd * sin_a);
brect[1] = brect[3] = brect[5] = brect[7] = (int)(- yd * cos_a);
/* rotate bounding rectangle */
brect[0] += (int) (normbox.xMin * cos_a - normbox.yMin * sin_a);
brect[1] += (int) (normbox.xMin * sin_a + normbox.yMin * cos_a);
brect[2] += (int) (normbox.xMax * cos_a - normbox.yMin * sin_a);
brect[3] += (int) (normbox.xMax * sin_a + normbox.yMin * cos_a);
brect[4] += (int) (normbox.xMax * cos_a - normbox.yMax * sin_a);
brect[5] += (int) (normbox.xMax * sin_a + normbox.yMax * cos_a);
brect[6] += (int) (normbox.xMin * cos_a - normbox.yMax * sin_a);
brect[7] += (int) (normbox.xMin * sin_a + normbox.yMax * cos_a);
/* rotate bounding rectangle (at 0, 0) */
brect[0] = (int) (bbox.xMin * cos_a - bbox.yMin * sin_a);
brect[1] = (int) (bbox.xMin * sin_a + bbox.yMin * cos_a);
brect[2] = (int) (bbox.xMax * cos_a - bbox.yMin * sin_a);
brect[3] = (int) (bbox.xMax * sin_a + bbox.yMin * cos_a);
brect[4] = (int) (bbox.xMax * cos_a - bbox.yMax * sin_a);
brect[5] = (int) (bbox.xMax * sin_a + bbox.yMax * cos_a);
brect[6] = (int) (bbox.xMin * cos_a - bbox.yMax * sin_a);
brect[7] = (int) (bbox.xMin * sin_a + bbox.yMax * cos_a);
/* scale, round and offset brect */
brect[0] = xb + gdroundupdown(brect[0], d2 > 0);
brect[1] = yb - gdroundupdown(brect[1], d1 < 0);
brect[2] = xb + gdroundupdown(brect[2], d1 > 0);
brect[3] = yb - gdroundupdown(brect[3], d2 > 0);
brect[4] = xb + gdroundupdown(brect[4], d2 < 0);
brect[5] = yb - gdroundupdown(brect[5], d1 > 0);
brect[6] = xb + gdroundupdown(brect[6], d1 < 0);
brect[7] = yb - gdroundupdown(brect[7], d2 < 0);
brect[0] = x + gdroundupdown(brect[0], d2 > 0);
brect[1] = y - gdroundupdown(brect[1], d1 < 0);
brect[2] = x + gdroundupdown(brect[2], d1 > 0);
brect[3] = y - gdroundupdown(brect[3], d2 > 0);
brect[4] = x + gdroundupdown(brect[4], d2 < 0);
brect[5] = y - gdroundupdown(brect[5], d1 > 0);
brect[6] = x + gdroundupdown(brect[6], d1 < 0);
brect[7] = y - gdroundupdown(brect[7], d2 < 0);
}
if (tmpstr) {

View File

@ -16,12 +16,14 @@ $delta_t = 360.0 / 16; # Make 16 steps around
$g = imagecreate(800, 800);
$bgnd = imagecolorallocate($g, 255, 255, 255);
$black = imagecolorallocate($g, 0, 0, 0);
$red = imagecolorallocate($g, 255, 0, 0);
$x = 100;
$y = 0;
$cos_t = cos(deg2rad($delta_t));
$sin_t = sin(deg2rad($delta_t));
for ($angle = 0.0; $angle < 360.0; $angle += $delta_t) {
$bbox = imagettftext($g, 24, $angle, 400+$x, 400+$y, $black, $font, 'ABCDEF');
imagepolygon($g, $bbox, 4, $red);
$s = vsprintf("(%d, %d), (%d, %d), (%d, %d), (%d, %d)\n", $bbox);
echo $s;
$temp = $cos_t * $x + $sin_t * $y;
@ -33,19 +35,19 @@ imagepng($g, "$cwd/bug43073.png");
--CLEAN--
<?php @unlink(dirname(__FILE__) . '/bug43073.png'); ?>
--EXPECTF--
(500, 400), (610, 400), (610, 376), (500, 376)
(492, 363), (591, 322), (580, 295), (480, 336)
(470, 331), (548, 254), (527, 233), (449, 310)
(439, 309), (483, 202), (461, 193), (416, 299)
(400, 300), (400, 183), (380, 183), (380, 300)
(362, 307), (316, 195), (291, 205), (337, 318)
(330, 329), (246, 244), (224, 265), (308, 350)
(308, 360), (202, 316), (190, 344), (296, 388)
(300, 400), (187, 400), (187, 425), (300, 425)
(306, 437), (195, 483), (206, 510), (318, 464)
(328, 469), (240, 557), (260, 578), (349, 491)
(359, 491), (312, 607), (334, 616), (382, 501)
(400, 500), (400, 618), (419, 618), (419, 500)
(436, 493), (483, 607), (507, 597), (461, 482)
(468, 471), (555, 558), (577, 538), (490, 450)
(490, 440), (600, 485), (611, 457), (502, 412)
(501, 400), (611, 400), (611, 376), (501, 376)
(492, 361), (595, 319), (586, 296), (483, 338)
(470, 329), (549, 251), (531, 233), (453, 312)
(439, 307), (481, 204), (458, 195), (416, 297)
(400, 299), (400, 189), (376, 189), (376, 299)
(361, 307), (319, 204), (296, 213), (338, 316)
(329, 329), (251, 250), (233, 267), (311, 346)
(307, 360), (204, 318), (195, 341), (297, 383)
(299, 400), (189, 400), (189, 424), (299, 424)
(307, 438), (204, 480), (213, 503), (316, 461)
(329, 470), (250, 548), (267, 566), (346, 488)
(360, 492), (318, 595), (341, 604), (383, 502)
(400, 501), (400, 611), (424, 611), (424, 501)
(438, 492), (480, 595), (503, 586), (461, 483)
(470, 470), (548, 549), (566, 532), (488, 453)
(492, 439), (595, 481), (604, 458), (502, 416)

View File

@ -19,4 +19,4 @@ echo 'Left Bottom: (' . $bbox[0] . ', ' . $bbox[1] . ')';
--CLEAN--
<?php @unlink(dirname(__FILE__) . '/bug48732.png'); ?>
--EXPECTF--
Left Bottom: (0, 47)
Left Bottom: (0, 46)

View File

@ -19,7 +19,7 @@ echo '(' . $bbox[4] . ', ' . $bbox[5] . ")\n";
echo '(' . $bbox[6] . ', ' . $bbox[7] . ")\n";
?>
--EXPECTF--
(-1, 15)
(15%d, 15)
(15%d, -48)
(-1, -48)
(4, 15)
(161, 15)
(161, -47)
(4, -47)

101
ext/gd/tests/bug53504.phpt Normal file
View File

@ -0,0 +1,101 @@
--TEST--
Bug #53504 imagettfbbox/imageftbbox gives incorrect values for bounding box
--SKIPIF--
<?php
if(!extension_loaded('gd')){ die('skip gd extension not available'); }
if(!function_exists('imageftbbox')) die('skip imageftbbox() not available');
include dirname(__FILE__) . '/func.inc';
if(version_compare(get_freetype_version(), '2.4.10') == -1) die('skip for freetype < 2.4.10');
?>
--FILE--
<?php
$cwd = dirname(__FILE__);
$font = "$cwd/Tuffy.ttf";
$g = imagecreate(800, 800);
$bgnd = imagecolorallocate($g, 255, 255, 255);
$black = imagecolorallocate($g, 0, 0, 0);
$red = imagecolorallocate($g, 255, 0, 0);
$blue = imagecolorallocate($g, 0, 0, 255);
$tests = [
// Kerning examples (unfortunately not available in "Tuffy" test font):
['fontSize' => 50, 'angle' => 0, 'x' => 20, 'y' => 70, 'text' => 'AV Teg'],
['fontSize' => 50, 'angle' => 90, 'x' => 70, 'y' => 350, 'text' => 'AV Teg'],
['fontSize' => 50, 'angle' => 40, 'x' => 130, 'y' => 280, 'text' => 'AV Teg'],
// Shift-Test:
['fontSize' => 100, 'angle' => 0, 'x' => 350, 'y' => 110, 'text' => 'H-Shift'],
// Small/single chars:
['fontSize' => 100, 'angle' => 0, 'x' => 350, 'y' => 220, 'text' => '-'],
['fontSize' => 100, 'angle' => 0, 'x' => 430, 'y' => 220, 'text' => ','],
['fontSize' => 100, 'angle' => 0, 'x' => 510, 'y' => 220, 'text' => '.'],
['fontSize' => 100, 'angle' => 0, 'x' => 590, 'y' => 220, 'text' => '|'],
['fontSize' => 100, 'angle' => 0, 'x' => 670, 'y' => 220, 'text' => 'g'],
// Multi-Line + rotation:
['fontSize' => 30, 'angle' => 0, 'x' => 20, 'y' => 400, 'text' => "Multi\nLine\nTest"],
['fontSize' => 30, 'angle' => 40, 'x' => 150, 'y' => 420, 'text' => "Multi\nLine\nTest"],
['fontSize' => 30, 'angle' => 90, 'x' => 250, 'y' => 340, 'text' => "Multi\nLine\nTest"],
// Some edge case glyphs:
['fontSize' => 50, 'angle' => 90, 'x' => 70, 'y' => 750, 'text' => "iiiiiiiiiiii"],
['fontSize' => 50, 'angle' => 90, 'x' => 150, 'y' => 750, 'text' => "~~~~~~~"],
['fontSize' => 50, 'angle' => 50, 'x' => 210, 'y' => 750, 'text' => "iiiiiiiiiiii"],
['fontSize' => 50, 'angle' => 50, 'x' => 300, 'y' => 750, 'text' => "~~~~~~~"],
['fontSize' => 50, 'angle' => 0, 'x' => 430, 'y' => 650, 'text' => "iiiiiiiiiiii"],
['fontSize' => 50, 'angle' => 0, 'x' => 430, 'y' => 750, 'text' => "~~~~~~~"],
// "Big" test:
['fontSize' => 200, 'angle' => 0, 'x' => 400, 'y' => 500, 'text' => "Big"],
];
foreach ($tests as $test) {
$bbox = imageftbbox($test['fontSize'], $test['angle'], $font, $test['text']);
vprintf("(%d, %d), (%d, %d), (%d, %d), (%d, %d)\n", $bbox);
$bboxDrawn = imagefttext($g, $test['fontSize'], $test['angle'],
$test['x'], $test['y'], $black, $font, $test['text']);
// check if both bboxes match when adding x/y offset:
for ($i = 0; $i < count($bbox); $i += 2) {
if ($bbox[$i] + $test['x'] !== $bboxDrawn[$i]) echo "imageftbbox and imagefttext differ!\n";
if ($bbox[$i + 1] + $test['y'] !== $bboxDrawn[$i + 1]) echo "imageftbbox and imagefttext differ!\n";
}
// draw bounding box:
imagepolygon($g, $bboxDrawn, 4, $red);
// draw baseline:
$width = sqrt(pow($bboxDrawn[2] - $bboxDrawn[0], 2) + pow($bboxDrawn[3] - $bboxDrawn[1], 2));
imageline($g, $test['x'], $test['y'],
$test['x'] + $width * cos(deg2rad($test['angle'])),
$test['y'] - $width * sin(deg2rad($test['angle'])), $blue);
}
imagepng($g, "$cwd/bug53504.png");
?>
--CLEAN--
<?php @unlink(dirname(__FILE__) . '/bug53504.png'); ?>
--EXPECTF--
(2, 15), (208, 15), (208, -48), (2, -48)
(15, -1), (15, -208), (-48, -208), (-48, -2)
(11, 11), (169, -122), (129, -171), (-30, -39)
(8, 2), (385, 2), (385, -97), (8, -97)
(7, -37), (51, -37), (51, -46), (7, -46)
(7, 15), (21, 15), (21, -13), (7, -13)
(7, 1), (21, 1), (21, -13), (7, -13)
(8, 0), (17, 0), (17, -95), (8, -95)
(5, 29), (60, 29), (60, -72), (5, -72)
(2, 107), (80, 107), (80, -29), (2, -29)
(70, 81), (131, 31), (43, -74), (-18, -24)
(107, -1), (107, -80), (-29, -80), (-29, -2)
(0, -4), (0, -165), (-47, -165), (-47, -4)
(-19, -2), (-18, -167), (-29, -167), (-29, -2)
(3, -3), (107, -127), (70, -157), (-34, -33)
(-13, -13), (93, -141), (85, -147), (-21, -20)
(4, 0), (165, 0), (165, -47), (4, -47)
(2, -19), (167, -19), (167, -29), (2, -29)
(16, 59), (330, 59), (330, -190), (16, -190)